Change default Server Preferences

.gitea/workflows/publish.yml

@@ -1,171 +0,0 @@
-name: 🚀 Créer une nouvelle version
-
-on:
-  workflow_dispatch:
-    inputs:
-      tag:
-        description: 'Nom du tag (ex: v1.2.3)'
-        required: true
-      branche:
-        description: 'Branche cible (ex: master)'
-        default: 'master'
-        required: true
-      build_apk:
-        description: 'Compiler et publier l’APK ?'
-        required: true
-        default: 'oui'
-        type: choice
-        options:
-          - oui
-          - non
-
-
-jobs:
-  release:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: 📦 Cloner le dépôt
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0  # important pour récupérer tout l'historique
-
-      - name: 🔧 Préparation de Git (tags)
-        run: git fetch --tags
-
-      - name: 🔖 Détection du tag précédent
-        id: tag-precedent
-        run: |
-          CURRENT_TAG="${{ github.event.inputs.tag }}"
-          TAGS=$(git tag --sort=-creatordate)
-
-          if [ -z "$TAGS" ]; then
-            echo "Aucun tag existant détecté."
-            echo "tag_precedent=" >> $GITHUB_OUTPUT
-            exit 0
-          fi
-
-          PREV_TAG=""
-          FOUND=false
-
-          for tag in $TAGS; do
-            if [ "$FOUND" = true ]; then
-              PREV_TAG=$tag
-              break
-            fi
-            if [ "$tag" = "$CURRENT_TAG" ]; then
-              FOUND=true
-            fi
-          done
-
-          echo "tag_precedent=$PREV_TAG" >> $GITHUB_OUTPUT
-
-      - name: 📝 Liste des modifications
-        id: changelog
-        run: |
-          PREV_TAG="${{ steps.tag-precedent.outputs.tag_precedent }}"
-          TARGET_TAG="${{ github.event.inputs.tag }}"
-
-          if [ -z "$PREV_TAG" ]; then
-            LOG=$(git log --oneline)
-          else
-            if git rev-parse "$TARGET_TAG" >/dev/null 2>&1; then
-              LOG=$(git log "$PREV_TAG".."$TARGET_TAG" --oneline)
-            else
-              LOG=$(git log "$PREV_TAG"..HEAD --oneline)
-            fi
-          fi
-          echo "$LOG"
-
-          echo "modifications<<EOF" >> $GITHUB_OUTPUT
-          echo "$LOG" >> $GITHUB_OUTPUT
-          echo "EOF" >> $GITHUB_OUTPUT
-
-      - name: 🏷️ Créer le tag si nécessaire
-        run: |
-          TAG="${{ github.event.inputs.tag }}"
-          if git rev-parse "$TAG" >/dev/null 2>&1; then
-            echo "Le tag $TAG existe déjà, pas besoin de le créer."
-          else
-            git config user.name "github-actions"
-            git config user.email "github-actions@github.com"
-            git tag "$TAG"
-            git push origin "$TAG"
-          fi
-
-      - name: 📦 Création de la version sur Gitea
-        id: creation-release
-        env:
-          REGISTRY_URL: ${{ vars.REGISTRY_URL }}
-          REPO: ${{ vars.REGISTRY_REPOSITORY }}
-          TOKEN: ${{ secrets.REGISTRY_PASSWORD }}
-          COMMITS: ${{ steps.changelog.outputs.modifications }}
-        run: |
-          TAG_NAME="${{ github.event.inputs.tag }}"
-          BRANCHE="${{ github.event.inputs.branche }}"
-          
-          # Échappement du contenu pour JSON
-          DESCRIPTION="Changelog:"$'\n'"$COMMITS"
-          ESCAPED_DESCRIPTION=$(printf '%s\n' "$DESCRIPTION" | jq -Rsa .)
-
-          REPONSE=$(curl -s -X POST "https://$REGISTRY_URL/api/v1/repos/$REPO/releases" \
-            -H "Content-Type: application/json" \
-            -H "Authorization: token $TOKEN" \
-            -d "{
-              \"tag_name\": \"$TAG_NAME\",
-              \"target\": \"$BRANCHE\",
-              \"name\": \"Version $TAG_NAME\",
-              \"body\": $ESCAPED_DESCRIPTION
-            }")
-
-          echo "$REPONSE"
-
-          ID_RELEASE=$(echo "$REPONSE" | jq -r .id)
-          echo "id_release=$ID_RELEASE" >> $GITHUB_OUTPUT
-
-
-      - name: 🔍️ Extraire les informations de l’application
-        id: extraire-info-gradle
-        if: ${{ github.event.inputs.build_apk == 'oui' }}
-        run: |
-          APP_NAME=$(grep 'rootProject.name' settings.gradle | sed -E 's/.*= "(.*)"/\1/')
-          COMPILE_SDK_VERSION=$(grep 'compileSdk' app/build.gradle | grep -oE '[0-9]+')
-
-          echo "app_name=$APP_NAME" >> $GITHUB_OUTPUT
-          echo "compile_sdk_version=$COMPILE_SDK_VERSION" >> $GITHUB_OUTPUT
-
-      - name: ☕ Configurer Java
-        if: ${{ github.event.inputs.build_apk == 'oui' }}
-        uses: actions/setup-java@v3
-        with:
-          distribution: 'temurin'
-          java-version: '17'
-
-      - name: 🤖 Installer Android SDK
-        if: ${{ github.event.inputs.build_apk == 'oui' }}
-        uses: android-actions/setup-android@v3
-        with:
-          api-level: ${{ steps.extraire-info-gradle.outputs.compile_sdk_version }}
-          build-tools-version: ${{ steps.extraire-info-gradle.outputs.compile_sdk_version }}.0.3
-
-      - name: 🛠️ Compilation de l’application (APK)
-        if: ${{ github.event.inputs.build_apk == 'oui' }}
-        run: ./gradlew assembleRelease
-
-      - name: 🏷️ Renommer l’APK avec le nom de l’application et le tag
-        if: ${{ github.event.inputs.build_apk == 'oui' }}
-        run: |
-          mv app/build/outputs/apk/release/app-release.apk app/build/outputs/apk/release/${{ steps.extraire-info-gradle.outputs.app_name }}_${{ github.event.inputs.tag }}.apk
-
-
-      - name: 📤 Téléversement de l’APK dans la version
-        if: ${{ github.event.inputs.build_apk == 'oui' }}
-        env:
-          GITEA_URL: ${{ vars.REGISTRY_URL }}
-          REPO: ${{ vars.REGISTRY_REPOSITORY }}
-          TOKEN: ${{ secrets.REGISTRY_PASSWORD }}
-          RELEASE_ID: ${{ steps.creation-release.outputs.id_release }}
-        run: |
-          curl -s -X POST "$GITEA_URL/api/v1/repos/$REPO/releases/$RELEASE_ID/assets" \
-            -H "Authorization: token $TOKEN" \
-            -F attachment=@app/build/outputs/apk/release/${{ steps.extraire-info-gradle.outputs.app_name }}_${{ github.event.inputs.tag }}.apk

.idea/.name

@@ -1 +0,0 @@
-LocalTransfer

.idea/AndroidProjectSystem.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="AndroidProjectSystem">
-    <option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
-  </component>
-</project>

.idea/compiler.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="17" />
+    <bytecodeTargetLevel target="1.8" />
   </component>
 </project>

.idea/deploymentTargetSelector.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetSelector">
-    <selectionStates>
-      <SelectionState runConfigName="app">
-        <option name="selectionMode" value="DROPDOWN" />
-      </SelectionState>
-    </selectionStates>
-  </component>
-</project>

.idea/dictionaries/lionel.xml

@@ -1,7 +0,0 @@
-<component name="ProjectDictionaryState">
-  <dictionary name="lionel">
-    <words>
-      <w>netdldata</w>
-    </words>
-  </dictionary>
-</component>

.idea/gradle.xml

@@ -4,15 +4,18 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="testRunner" value="CHOOSE_PER_TEST" />
+        <option name="testRunner" value="PLATFORM" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
+        <option name="gradleJvm" value="1.8" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+        <option name="useQualifiedModuleNames" value="true" />
       </GradleProjectSettings>
     </option>
   </component>

.idea/migrations.xml

@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectMigrations">
-    <option name="MigrateToGradleLocalJavaHome">
-      <set>
-        <option value="$PROJECT_DIR$" />
-      </set>
-    </option>
-  </component>
-</project>

.idea/misc.xml

@@ -1,22 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="DesignSurface">
-    <option name="filePathToZoomLevelMap">
-      <map>
-        <entry key="app/src/main/res/layout/file_info.xml" value="0.24479166666666666" />
-        <entry key="app/src/main/res/layout/layout.xml" value="0.35989583333333336" />
-        <entry key="app/src/main/res/layout/settings_activity.xml" value="0.215625" />
-        <entry key="app/src/main/res/xml/network_security_config.xml" value="0.35989583333333336" />
-        <entry key="app/src/main/res/xml/root_preferences.xml" value="0.35833333333333334" />
-      </map>
-    </option>
-  </component>
   <component name="NullableNotNullManager">
     <option name="myDefaultNullable" value="org.jetbrains.annotations.Nullable" />
     <option name="myDefaultNotNull" value="androidx.annotation.NonNull" />
     <option name="myNullables">
       <value>
-        <list size="16">
+        <list size="14">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
           <item index="1" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
           <item index="2" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
@@ -31,14 +20,12 @@
           <item index="11" class="java.lang.String" itemvalue="org.eclipse.jdt.annotation.Nullable" />
           <item index="12" class="java.lang.String" itemvalue="io.reactivex.annotations.Nullable" />
           <item index="13" class="java.lang.String" itemvalue="io.reactivex.rxjava3.annotations.Nullable" />
-          <item index="14" class="java.lang.String" itemvalue="org.jspecify.annotations.Nullable" />
-          <item index="15" class="java.lang.String" itemvalue="jakarta.annotation.Nullable" />
         </list>
       </value>
     </option>
     <option name="myNotNulls">
       <value>
-        <list size="16">
+        <list size="13">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
           <item index="1" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
           <item index="2" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
@@ -52,14 +39,11 @@
           <item index="10" class="java.lang.String" itemvalue="org.eclipse.jdt.annotation.NonNull" />
           <item index="11" class="java.lang.String" itemvalue="io.reactivex.annotations.NonNull" />
           <item index="12" class="java.lang.String" itemvalue="io.reactivex.rxjava3.annotations.NonNull" />
-          <item index="13" class="java.lang.String" itemvalue="lombok.NonNull" />
-          <item index="14" class="java.lang.String" itemvalue="org.jspecify.annotations.NonNull" />
-          <item index="15" class="java.lang.String" itemvalue="jakarta.annotation.Nonnull" />
         </list>
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="temurin-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

.idea/runConfigurations.xml

@@ -3,14 +3,9 @@
   <component name="RunConfigurationProducerService">
     <option name="ignoredProducers">
       <set>
-        <option value="com.intellij.execution.junit.AbstractAllInDirectoryConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
-        <option value="com.intellij.execution.junit.AllInPackageConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
-        <option value="com.intellij.execution.junit.PatternConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
-        <option value="com.intellij.execution.junit.TestInClassConfigurationProducer" />
-        <option value="com.intellij.execution.junit.UniqueIdConfigurationProducer" />
-        <option value="com.intellij.execution.junit.testDiscovery.JUnitTestDiscoveryConfigurationProducer" />
-        <option value="org.jetbrains.kotlin.idea.junit.KotlinJUnitRunConfigurationProducer" />
-        <option value="org.jetbrains.kotlin.idea.junit.KotlinPatternConfigurationProducer" />
       </set>
     </option>
   </component>

app/build.gradle

@@ -1,13 +1,15 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdk 35
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
+
     defaultConfig {
         applicationId "com.localtransfer"
-        minSdkVersion 27
+        minSdkVersion 24
-        targetSdkVersion 35
+        targetSdkVersion 30
         versionCode 1
-        versionName "2.0"
+        versionName "1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
@@ -19,20 +21,22 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_17
+        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_1_8
     }
-    namespace 'com.localtransfer'
 }
 
 dependencies {
-    implementation 'androidx.appcompat:appcompat:1.7.1'
+    implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation 'com.google.android.material:material:1.12.0'
+    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'androidx.constraintlayout:constraintlayout:2.2.1'
+    implementation 'com.google.android.material:material:1.2.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
-    implementation 'androidx.preference:preference:1.2.1'
+    implementation 'androidx.preference:preference:1.1.1'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    testImplementation 'junit:junit:4.13.2'
+    testImplementation 'junit:junit:4.13.1'
-    androidTestImplementation 'androidx.test.ext:junit:1.2.1'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.6.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    implementation 'lib.kashif:folderpicker:2.4'
+
 }

app/src/androidTest/java/com/localtransfer/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.localtransfer;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.localtransfer", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

@@ -1,27 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.localtransfer">
 
-    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <uses-permission
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
-        android:maxSdkVersion="28" />
     <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
     <application
+        android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
-        android:networkSecurityConfig="@xml/network_security_config"
-        android:requestLegacyExternalStorage="true"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <service
+
-            android:name=".TransferService"
-            android:enabled="true"
-            android:exported="true" />
-        <!-- android:usesCleartextTraffic="true" -->
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}"
@@ -34,31 +26,31 @@
 
         <activity
             android:name=".SettingsActivity"
-            android:label="@string/title_activity_settings" />
+            android:label="@string/title_activity_settings">
+        </activity>
+
         <activity
             android:name=".MainActivity"
-            android:exported="true"
             android:label="@string/app_name"
             android:theme="@style/AppTheme.NoActionBar">
+
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+
             <intent-filter>
                 <action android:name="android.intent.action.SEND" />
-
                 <category android:name="android.intent.category.DEFAULT" />
-
                 <data android:mimeType="*/*" />
             </intent-filter>
+
             <intent-filter>
                 <action android:name="android.intent.action.SEND_MULTIPLE" />
-
                 <category android:name="android.intent.category.DEFAULT" />
-
                 <data android:mimeType="*/*" />
             </intent-filter>
+
         </activity>
     </application>
 

app/src/main/java/com/localtransfer/DownloadFile.java

@@ -1,289 +0,0 @@
-package com.localtransfer;
-
-import android.animation.ObjectAnimator;
-import android.content.ContentUris;
-import android.content.ContentValues;
-import android.content.Context;
-import android.database.Cursor;
-import android.graphics.drawable.Drawable;
-import android.net.Uri;
-import android.os.Environment;
-import android.provider.MediaStore;
-import android.util.Log;
-import android.view.animation.Animation;
-import android.view.animation.LinearInterpolator;
-import android.widget.Button;
-import android.widget.LinearLayout;
-
-import androidx.core.content.FileProvider;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.HttpURLConnection;
-import java.net.URL;
-import java.net.URLEncoder;
-import java.nio.charset.StandardCharsets;
-import java.sql.Timestamp;
-
-public class DownloadFile extends Transfer {
-
-    public String href;
-
-    public String mime;
-
-    public String type;
-
-    public Uri uri;
-
-    private Button button;
-
-    public DownloadFile(Integer id) {
-        this.id = id;
-        instances.add(this);
-        info = "Download complete";
-        state = STATE_NOT_REQUESTED;
-        drawable = R.drawable.ic_download_24;
-    }
-
-    @Override
-    public void startTransfer() {
-        super.startTransfer();
-
-        startedTime = new Timestamp(System.currentTimeMillis());
-
-        state = STATE_RUNNING;
-
-        buttonProgressStart();
-
-        if (uri == null && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
-            ContentValues values = new ContentValues();
-            values.put(MediaStore.MediaColumns.DISPLAY_NAME, name);
-            values.put(MediaStore.MediaColumns.MIME_TYPE, mime);
-            values.put(MediaStore.MediaColumns.RELATIVE_PATH, Transfer.shared_storage);
-            uri = resolver.insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, values);
-        }
-        try {
-            downloadFile();
-        } catch (IOException | NullPointerException e) {
-            final String ExceptionName = e.getClass().getSimpleName();
-            final String ExceptionMess = e.getMessage();
-            e.printStackTrace();
-
-            state = Transfer.STATE_FAILED;
-            progressEnd();
-            buttonProgressEnd();
-
-            if(ExceptionName != null && ExceptionMess != null) {
-                errorSnackbar(ExceptionName + ": " + ExceptionMess);
-            }
-
-        }
-    }
-
-    public boolean exist(Context context) {
-        if (!Transfer.use_shared_storage){
-            File file = new File(activity.getFilesDir(), name);
-
-            uri = FileProvider.getUriForFile(activity, activity.getPackageName(), file);
-
-            if (file.exists() && file.length() == size)
-                return true;
-        }
-        else {
-            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
-                Cursor cursor = context.getContentResolver().query(MediaStore.Downloads.EXTERNAL_CONTENT_URI, null, null, null, null);
-                while (cursor.moveToNext()) {
-                    String MediaStore_File_name = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Downloads.DISPLAY_NAME));
-                    long MediaStore_File_size = cursor.getLong(cursor.getColumnIndexOrThrow(MediaStore.Downloads.SIZE));
-                    if(MediaStore_File_name.equals(name) && MediaStore_File_size == size) {
-                        int cursor_id = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Downloads._ID));
-                        uri = ContentUris.withAppendedId(MediaStore.Downloads.EXTERNAL_CONTENT_URI, cursor_id);
-                        return true;
-                    }
-                }
-            }
-            else {
-                String save_location = null;
-                if (mime.equals("text/plain"))
-                    save_location = context.getCacheDir().toString();
-                else
-                    save_location = Environment.getExternalStorageDirectory() + "/" + Transfer.shared_storage;
-                new File(save_location).mkdirs();
-                File file = new File(save_location, name);
-                try {
-                    file.createNewFile();
-                } catch (IOException e) {
-                    final String ExceptionName = e.getClass().getSimpleName();
-                    final String ExceptionMess = e.getMessage();
-                    e.printStackTrace();
-
-                    if(ExceptionName != null && ExceptionMess != null) {
-                        errorSnackbar(ExceptionName + ": " + ExceptionMess);
-                    }
-                }
-                uri = Uri.fromFile(file);
-                if (file.exists() && file.length() == size)
-                    return true;
-            }
-        }
-        return false;
-    }
-
-    public void setButton(Button button) {
-        this.button = button;
-        if (this.state == STATE_STANDBY) {
-            buttonProgressStart();
-        }
-    }
-
-    public InputStream getThumbnail() {
-        InputStream thumbnail = null;
-        URL url;
-        try {
-            String query = URLEncoder.encode(href, StandardCharsets.UTF_8.toString());
-            String serverUrl = root + "/thumbnail.php?file=" + query;
-            url = new URL(protocol, host, port, serverUrl);
-            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
-            conn.setRequestMethod("GET");
-            conn.setConnectTimeout(2000);
-
-            conn.connect();
-
-            thumbnail = conn.getInputStream();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return thumbnail;
-    }
-
-    public void downloadFile() throws IOException {
-
-        URL url = null;
-        HttpURLConnection conn = null;
-        int maxBufferSize = 1 * 1024 * 1024;
-        byte[] buffer = new byte[maxBufferSize];
-        int bufferLength;
-        loaded = 0;
-
-        String[] parts = href.split("/");
-        String path = "";
-        for(int i=0; i< parts.length - 1; i++) {
-            path = path + parts[i] + "/";
-        }
-        String query = URLEncoder.encode(parts[parts.length - 1], StandardCharsets.UTF_8.toString());
-        url = new URL(protocol, host, port, path + query.replace("+", "%20"));
-        conn = (HttpURLConnection) url.openConnection();
-        conn.setDoOutput(true);
-        conn.setRequestMethod("GET");
-        conn.setConnectTimeout(2000);
-
-        Log.d("URL", url.toString());
-
-        conn.connect();
-
-        int responseCode = conn.getResponseCode();
-
-        if (responseCode == HttpURLConnection.HTTP_OK) {
-
-            OutputStream fileOutput = activity.getContentResolver().openOutputStream(uri);
-            InputStream in = conn.getInputStream();
-
-            while ((bufferLength = in.read(buffer)) > 0) {
-                fileOutput.write(buffer, 0, bufferLength);
-                loaded+= bufferLength;
-                percent = ((loaded * 100) / size);
-                progressUpdateDelay();
-                buttonProgressUpdate();
-            }
-            fileOutput.close();
-
-            conn.disconnect();
-
-            message = "File " + name + " successful download";
-            state = Transfer.STATE_SUCCESS;
-            progressEnd();
-            buttonProgressEnd();
-
-        }
-        else {
-            String s = conn.getResponseMessage();
-            throw new HttpErrorException("error code: " + responseCode + " " + s);
-        }
-
-        conn.disconnect();
-    }
-
-    public String deleteFile() throws IOException {
-
-        URL url = null;
-        HttpURLConnection conn = null;
-
-        String message;
-
-        String query = URLEncoder.encode(name, StandardCharsets.UTF_8.toString());
-        String serverUrl = root + "/delete.php?file=" + query;
-        url = new URL(protocol, host, port, serverUrl);
-        conn = (HttpURLConnection) url.openConnection();
-        conn.setRequestMethod("GET");
-        conn.setConnectTimeout(2000);
-
-        conn.connect();
-
-        int responseCode = conn.getResponseCode();
-
-        if (responseCode == HttpURLConnection.HTTP_OK) {
-
-            message = "File " + name + " successful deleted";
-        }
-        else {
-            String s = conn.getResponseMessage();
-            throw new HttpErrorException("error code: " + responseCode + " " + s);
-        }
-
-        conn.disconnect();
-
-        return message;
-    }
-
-    public void buttonProgressStart() {
-        activity.runOnUiThread(() -> {
-            final Drawable image = Transfer.activity.getDrawable(R.drawable.ic_spinner_rotate);
-
-            if(button != null) {
-                int h = image.getIntrinsicHeight();
-                int w = image.getIntrinsicWidth();
-                image.setBounds(0, 0, w, h);
-                button.setCompoundDrawables(button.getCompoundDrawables()[0], null, image, null);
-                ObjectAnimator anim = ObjectAnimator.ofInt(image, "level", 0, 10000);
-                anim.setDuration(1000);
-                anim.setRepeatCount(Animation.INFINITE);
-                anim.setInterpolator(new LinearInterpolator());
-                anim.start();
-            }
-        });
-    }
-
-    private void buttonProgressUpdate(){
-        activity.runOnUiThread(() -> {
-            if (app_started && button != null)
-                button.setText(String.format("Download in progress %d%%", percent));
-        });
-    }
-
-    public void buttonProgressEnd() {
-        activity.runOnUiThread(() -> {
-            if (button != null) {
-                final LinearLayout layout = (LinearLayout) button.getParent();
-                layout.findViewById(R.id.file_view).setVisibility(LinearLayout.VISIBLE);
-                layout.findViewById(R.id.file_share).setVisibility(LinearLayout.VISIBLE);
-                button.setVisibility(LinearLayout.GONE);
-                button.setEnabled(true);
-
-                button.setText(activity.getString(R.string.file_download));
-                button.setCompoundDrawables(button.getCompoundDrawables()[0], null, null, null);
-            }
-        });
-    }
-}

app/src/main/java/com/localtransfer/MainActivity.java

@@ -1,41 +1,36 @@
 package com.localtransfer;
 
 import android.Manifest;
-import android.app.Activity;
-import android.app.Notification;
-import android.app.PendingIntent;
 import android.content.ActivityNotFoundException;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Bundle;
+
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.snackbar.Snackbar;
+import com.google.android.material.tabs.TabLayout;
+
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.preference.PreferenceManager;
+import androidx.viewpager.widget.ViewPager;
+import androidx.appcompat.app.AppCompatActivity;
+
 import android.os.Environment;
 import android.util.Log;
-import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.Toast;
 
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.Toolbar;
-import androidx.core.app.ActivityCompat;
-import androidx.core.app.NotificationManagerCompat;
-import androidx.core.content.ContextCompat;
-import androidx.preference.PreferenceManager;
-import androidx.viewpager.widget.ViewPager;
-
-import com.google.android.material.floatingactionbutton.FloatingActionButton;
-import com.google.android.material.tabs.TabLayout;
-
 import java.io.File;
 import java.util.ArrayList;
 
 public class MainActivity extends AppCompatActivity {
 
-    public static final int REQUEST_ID_CHOOSE_FILES = 2002;
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -47,32 +42,8 @@ public class MainActivity extends AppCompatActivity {
         viewPager.setAdapter(sectionsPagerAdapter);
         TabLayout tabs = findViewById(R.id.tabs);
         tabs.setupWithViewPager(viewPager);
-        FloatingActionButton fab = findViewById(R.id.flotUpload);
-        fab.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                Intent intent = new Intent()
-                        .setType("*/*")
-                        .setAction(Intent.ACTION_GET_CONTENT)
-                        .putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
 
-                startActivityForResult(Intent.createChooser(intent, "Select a file"), REQUEST_ID_CHOOSE_FILES);
+        checkAndRequestPermissions();
-
-            }
-        });
-
-        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.Q) {
-            checkAndRequestPermissions();
-        }
-
-
-        Transfer.notifBuilder = new Notification.Builder(this);
-        Transfer.notifiManager = NotificationManagerCompat.from(this);
-        Transfer.inflater = (LayoutInflater) this.getSystemService(this.LAYOUT_INFLATER_SERVICE);
-        Transfer.resolver = this.getContentResolver();
-
-        Intent notificationIntent = new Intent(this, MainActivity.class);
-        Transfer.pendingIntent = PendingIntent.getActivity(this,0, notificationIntent, PendingIntent.FLAG_IMMUTABLE);
 
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 
@@ -81,8 +52,7 @@ public class MainActivity extends AppCompatActivity {
                     .putString("host", getString(R.string.server_host_def))
                     .putString("port", getString(R.string.server_port_def))
                     .putString("root", getString(R.string.server_root_def))
-                    .putString("shared_storage", getString(R.string.shared_storage_def))
+                    .putString("local_storage", getString(R.string.local_storage_def))
-                    .putBoolean("use_shared_storage", false)
                     .apply();
 
         Transfer.parameter(this);
@@ -92,14 +62,16 @@ public class MainActivity extends AppCompatActivity {
         String action = intent.getAction();
         String type = intent.getType();
 
+        Transfer tr = new Transfer();
+
         if (Intent.ACTION_SEND.equals(action) && type != null) {
             viewPager.setCurrentItem(2);
             if ("text/plain".equals(type)) {
                 String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
-                UploadFile.handleSendText(sharedText);
+                tr.handleSendText(sharedText);
             } else {
                 Uri uri = intent.getParcelableExtra(Intent.EXTRA_STREAM);
-                UploadFile.handleSendFile(uri);
+                new Thread(() -> tr.handleSendFile(uri)).start();
             }
         } else if (Intent.ACTION_SEND_MULTIPLE.equals(action) && type != null) {
             viewPager.setCurrentItem(2);
@@ -107,58 +79,23 @@ public class MainActivity extends AppCompatActivity {
             int nbItem = fileUris.size();
             Toast.makeText(this, "You select " + nbItem + " files", Toast.LENGTH_SHORT).show();
             if (fileUris != null)
-                for(Uri uri : fileUris) UploadFile.handleSendFile(uri);
+                for(Uri uri : fileUris) tr.handleSendFile(uri);
         }
 
     }
 
-    @Override
-    public void onActivityResult(int requestCode, int resultCode, Intent data) {
-        super.onActivityResult(requestCode, resultCode, data);
-        Log.d("RequestCode", String.valueOf(requestCode));
-        if (requestCode == REQUEST_ID_CHOOSE_FILES && resultCode == Activity.RESULT_OK) {
-            String type = data.getType();
-
-            ViewPager viewPager = this.findViewById(R.id.view_pager);
-            viewPager.setCurrentItem(2);
-
-
-            if (type != null) {
-                String sharedText = data.getStringExtra(Intent.EXTRA_TEXT);
-                UploadFile.handleSendText(sharedText);
-            }
-            else {
-                ArrayList<Uri> fileUris = new ArrayList<>();
-                if (data.getClipData() != null) { // Checking for selection multiple files
-                    int nbItem = data.getClipData().getItemCount();
-                    Toast.makeText(this, "You select " + nbItem + " files", Toast.LENGTH_SHORT).show();
-                    for (int i = 0; i < nbItem; i++) {
-                        Uri uri = data.getClipData().getItemAt(i).getUri();
-                        fileUris.add(uri);
-                    }
-                } else {
-                    Uri uri = data.getData(); //The uri with the location of the file
-                    fileUris.add(uri);
-                }
-                for (Uri uri : fileUris) {
-                    UploadFile.handleSendFile(uri);
-                }
-            }
-        }
-    }
-
     @Override
     public void onResume(){
         super.onResume();
 
-        Transfer.app_started = true;
+        Progress.app_started = true;
     }
 
     @Override
     public void onPause(){
         super.onPause();
 
-        Transfer.app_started = false;
+        Progress.app_started = false;
     }
 
     @Override
@@ -196,7 +133,7 @@ public class MainActivity extends AppCompatActivity {
                 startActivity(settings);
                 break;
             case R.id.action_folder:
-                String save_location = Environment.getExternalStorageDirectory() + "/" + Transfer.shared_storage;
+                String save_location = Environment.getExternalStorageDirectory() + "/" + Transfer.local_storage;
                 Uri selectedUri = Uri.parse(save_location.toString());
                 boolean intentSuccess = false;
                 try {
@@ -227,7 +164,7 @@ public class MainActivity extends AppCompatActivity {
 
     public static final int REQUEST_ID_READ_EXTERNAL_STORAGE = 2001;
 
-    private boolean checkAndRequestPermissions() {
+    private  boolean checkAndRequestPermissions() {
 
         if (ContextCompat.checkSelfPermission(
                 this, Manifest.permission.READ_EXTERNAL_STORAGE) ==
@@ -244,7 +181,6 @@ public class MainActivity extends AppCompatActivity {
     public void onRequestPermissionsResult(int requestCode,
                                            String permissions[],
                                            int[] grantResults) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
         switch (requestCode) {
             case REQUEST_ID_READ_EXTERNAL_STORAGE:
                 if (grantResults.length > 0 &&

app/src/main/java/com/localtransfer/Progress.java

@@ -0,0 +1,188 @@
+package com.localtransfer;
+
+import android.app.PendingIntent;
+import android.content.Intent;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+
+import androidx.core.app.NotificationCompat;
+import androidx.core.app.NotificationManagerCompat;
+
+import java.util.ArrayList;
+import java.util.ConcurrentModificationException;
+import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
+
+public class Progress {
+
+    public static final int UPLOAD = 1000;
+    public static final int DOWNLOAD = 1001;
+
+
+    private static NotificationCompat.Builder bl = new NotificationCompat.Builder(Transfer.activity, null);
+    private static NotificationManagerCompat notifiManager = NotificationManagerCompat.from(Transfer.activity);
+    private static final LayoutInflater inflater = (LayoutInflater) Transfer.activity.getSystemService(Transfer.activity.LAYOUT_INFLATER_SERVICE);
+
+    private static List instances = new ArrayList();
+
+    private Integer id;
+    private String name;
+    private long size;
+
+    public long loaded;
+    public long percent;
+
+    public static View root;
+    public static boolean fragment_on = false;
+    public static boolean app_started = false;
+
+    private Timer timer = new Timer();
+    private int drawable;
+    private String info;
+
+    public Button button;
+    private boolean run = false;
+
+    public Progress(String name, long size, int type) {
+
+        instances.add(this);
+
+        run = true;
+
+        this.name = name;
+        this.size = size;
+
+        id = View.generateViewId();
+
+        switch (type) {
+            case Progress.DOWNLOAD:
+                drawable = R.drawable.ic_download_24;
+                info = "Download complete";
+                break;
+            case Progress.UPLOAD:
+                drawable = R.drawable.ic_upload_24;
+                info = "Upload complete";
+                break;
+            default:
+                throw new IllegalStateException("Unexpected value: " + type);
+        }
+
+        timer.schedule(new TimerTask() {
+            @Override
+            public void run() {
+                showProgress();
+            }
+        }, 0, 1000);
+    }
+
+    public static List getInstances() {
+        return instances;
+    }
+
+    public void stopProgress() {
+        timer.cancel();
+        showProgress();
+
+        run = false;
+
+        if(! app_started) {
+            bl.setSmallIcon(R.drawable.ic_upload_and_download_from_the_cloud)
+                    .setContentTitle(name)
+                    .setContentText(info)
+                    .setProgress(0, 0, false)
+                    .setAutoCancel(true)
+                    .setOngoing(false);
+            notifiManager.notify(id, bl.build());
+        }
+    }
+
+    public void delete() {
+        instances.remove(this);
+    }
+
+    public static Progress getProgress(int id) {
+
+        for (Object obj: instances) {
+            Progress p = (Progress) obj;
+            if (p.id == id) return p;
+        }
+        return null;
+    }
+
+    public static boolean setButton(String name, Button button) {
+
+        for (Object obj: instances) {
+            Progress p = (Progress) obj;
+            if (name.equals(p.name) && p.run) {
+                p.button = button;
+                return true;
+            }
+        }
+        return false;
+    }
+
+
+    public void showProgress(){
+
+        try {
+
+            String HumanLoaded = Transfer.humanReadableByteCountBin(loaded);
+            String HumanSize = Transfer.humanReadableByteCountBin(size);
+
+            if(app_started) {
+                notifiManager.cancel(id);
+            }
+            else {
+
+                Intent intent = new Intent(Transfer.activity, MainActivity.class);
+                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
+                PendingIntent pendingIntent = PendingIntent.getActivity(Transfer.activity, 0, intent, 0);
+
+                bl.setSmallIcon(R.drawable.ic_upload_and_download_from_the_cloud)
+                        .setContentTitle(name)
+                        .setContentText(String.format("%d%% %s/%s", percent, HumanLoaded, HumanSize))
+                        .setProgress(100, (int) percent, false)
+                        .setContentIntent(pendingIntent)
+                        .setAutoCancel(true)
+                        .setOngoing(true);
+                notifiManager.notify(id, bl.build());
+            }
+
+            if(app_started && fragment_on) {
+                LinearLayout groot = root.findViewById(R.id.groot);
+
+                final View progress;
+
+                if (groot.findViewById(id) != null) {
+                    progress = groot.findViewById(id);
+                } else {
+                    progress = inflater.inflate(R.layout.progress, null);
+                    progress.setId(id);
+                    Transfer.activity.runOnUiThread(() -> {
+                        groot.addView(progress, 0);
+                    });
+                }
+
+                Transfer.activity.runOnUiThread(() -> {
+                    ((ProgressBar) progress.findViewById(R.id.progressBar)).setProgress((int) percent);
+                    ((ImageView) progress.findViewById(R.id.transferType)).setImageResource(drawable);
+                    ((TextView) progress.findViewById(R.id.progressText)).setText(percent + " %");
+                    ((TextView) progress.findViewById(R.id.fileName)).setText(name);
+                    ((TextView) progress.findViewById(R.id.fileSize)).setText(String.format("%s/%s", HumanLoaded, HumanSize));
+                });
+
+            }
+
+        } catch (ConcurrentModificationException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+}

app/src/main/java/com/localtransfer/SectionsPagerAdapter.java

@@ -10,6 +10,7 @@ import androidx.fragment.app.FragmentPagerAdapter;
 
 import com.localtransfer.fragment.DownloadFragment;
 import com.localtransfer.fragment.ProgressFragment;
+import com.localtransfer.fragment.UploadFragment;
 
 /**
  * A [FragmentPagerAdapter] that returns a fragment corresponding to
@@ -18,11 +19,11 @@ import com.localtransfer.fragment.ProgressFragment;
 public class SectionsPagerAdapter extends FragmentPagerAdapter {
 
     @StringRes
-    private static final int[] TAB_TITLES = new int[]{R.string.download, R.string.progress};
+    private static final int[] TAB_TITLES = new int[]{R.string.download, R.string.upload, R.string.progress};
     private final Context mContext;
 
     public SectionsPagerAdapter(Context context, FragmentManager fm) {
-        super(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT);
+        super(fm);
         mContext = context;
     }
 
@@ -34,6 +35,8 @@ public class SectionsPagerAdapter extends FragmentPagerAdapter {
             case 0: //Page number 1
                 return DownloadFragment.newInstance();
             case 1: //Page number 2
+                return UploadFragment.newInstance();
+            case 2: //Page number 3
                 return ProgressFragment.newInstance();
             default:
                 return null;
@@ -48,6 +51,6 @@ public class SectionsPagerAdapter extends FragmentPagerAdapter {
 
     @Override
     public int getCount() {
-        return 2;
+        return 3;
     }
 }

app/src/main/java/com/localtransfer/SettingsActivity.java

@@ -1,10 +1,8 @@
 package com.localtransfer;
 
-import android.Manifest;
 import android.app.Activity;
 import android.content.Intent;
 import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.Environment;
 import android.util.Log;
@@ -12,12 +10,11 @@ import android.view.MenuItem;
 
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.core.app.ActivityCompat;
-import androidx.core.content.ContextCompat;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 import androidx.preference.PreferenceManager;
-import androidx.preference.SwitchPreference;
+
+import lib.folderpicker.FolderPicker;
 
 public class SettingsActivity extends AppCompatActivity {
 
@@ -45,72 +42,18 @@ public class SettingsActivity extends AppCompatActivity {
             setPreferencesFromResource(R.xml.root_preferences, rootKey);
 
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
-
+            directory = findPreference("local_storage");
-            directory = findPreference("shared_storage");
+            directory.setSummary(prefs.getString("local_storage", null));
-            directory.setSummary(prefs.getString("shared_storage", null));
-
-            SwitchPreference shared;
-            shared = findPreference("use_shared_storage");
-            if(shared.isChecked()) {
-                if(checkAndRequestPermissions())
-                    directory.setVisible(true);
-                else
-                    shared.setChecked(false);
-            }
-            else
-                directory.setVisible(false);
-
-            shared.setOnPreferenceClickListener(preference -> {
-                if(shared.isChecked()) {
-                    if(checkAndRequestPermissions())
-                        directory.setVisible(true);
-                    else
-                        shared.setChecked(false);
-                }
-                else
-                    directory.setVisible(false);
-                return false;
-            });
             directory.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
                 @Override
                 public boolean onPreferenceClick(Preference preference) {
-                    Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
+                    Intent intent = new Intent(getContext(), FolderPicker.class);
-                    intent.addCategory(Intent.CATEGORY_DEFAULT);
                     startActivityForResult(intent, REQUEST_DIRECTORY_PICKER);
                     return false;
                 }
             });
         }
 
-        private boolean checkAndRequestPermissions() {
-
-            if (ContextCompat.checkSelfPermission(
-                    getActivity(), Manifest.permission.READ_EXTERNAL_STORAGE) ==
-                    PackageManager.PERMISSION_GRANTED) {
-                Log.d("READ_EXTERNAL_STORAGE", "already granted");
-                return true;
-            }
-            else {
-                ActivityCompat.requestPermissions(getActivity(), new String[] {android.Manifest.permission.READ_EXTERNAL_STORAGE}, MainActivity.REQUEST_ID_READ_EXTERNAL_STORAGE);
-            }
-            return false;
-        }
-        @Override
-        public void onRequestPermissionsResult(int requestCode,
-                                               String permissions[],
-                                               int[] grantResults) {
-            switch (requestCode) {
-                case MainActivity.REQUEST_ID_READ_EXTERNAL_STORAGE:
-                    if (grantResults.length > 0 &&
-                            grantResults[0] == PackageManager.PERMISSION_GRANTED) {
-                        Log.d("READ_EXTERNAL_STORAGE", "granted");
-                    }  else {
-                        Log.d("READ_EXTERNAL_STORAGE", "No granted");
-                    }
-                    return;
-            }
-        }
-
         @Override
         public void onActivityResult(int requestCode, int resultCode, Intent data) {
             super.onActivityResult(requestCode, resultCode, data);
@@ -122,7 +65,7 @@ public class SettingsActivity extends AppCompatActivity {
                             String save_location = currentPath.replace(Environment.getExternalStorageDirectory() + "/", "");
                             Log.d("Path", save_location);
                             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
-                            prefs.edit().putString("shared_storage", save_location).apply();
+                            prefs.edit().putString("local_storage", save_location).apply();
                             directory.setSummary(save_location);
                         }
                     }

app/src/main/java/com/localtransfer/Transfer.java

@@ -1,282 +1,78 @@
 package com.localtransfer;
 
-import static java.lang.Integer.valueOf;
+import android.animation.ObjectAnimator;
-
-import android.Manifest;
 import android.app.Activity;
-import android.app.Notification;
-import android.app.PendingIntent;
-import android.content.ContentResolver;
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
+import android.database.Cursor;
-import android.graphics.Color;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.provider.OpenableColumns;
 import android.util.Log;
-import android.view.LayoutInflater;
 import android.view.View;
-import android.widget.ImageView;
+import android.view.animation.Animation;
+import android.view.animation.LinearInterpolator;
+import android.widget.Button;
 import android.widget.LinearLayout;
-import android.widget.ProgressBar;
 import android.widget.TextView;
-import android.widget.Toast;
 
-import androidx.core.app.ActivityCompat;
+import androidx.core.app.NotificationCompat;
 import androidx.core.app.NotificationManagerCompat;
+import androidx.core.content.FileProvider;
 import androidx.preference.PreferenceManager;
 
 import com.google.android.material.snackbar.Snackbar;
 
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.Serializable;
 import java.net.HttpURLConnection;
 import java.net.ProtocolException;
 import java.net.URL;
-import java.sql.Timestamp;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 import java.text.CharacterIterator;
+import java.text.SimpleDateFormat;
 import java.text.StringCharacterIterator;
-import java.util.ArrayList;
-import java.util.Comparator;
 import java.util.ConcurrentModificationException;
+import java.util.Date;
 import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import static java.lang.Integer.valueOf;
 
 public class Transfer {
 
-    protected static Notification.Builder notifBuilder;
-    protected static NotificationManagerCompat notifiManager;
-    protected static LayoutInflater inflater;
-    protected static ContentResolver resolver;
-
-    protected static PendingIntent pendingIntent;
-
-    public static View fragment_progress;
-    public static boolean fragment_on = false;
-    public static boolean app_started = false;
-
-    protected static long savedTimeMillis;
-
     public static String host;
     public static Integer port;
     public static String root;
     public static String protocol;
-    public static String shared_storage;
+    public static String local_storage;
-    public static boolean use_shared_storage;
 
     public static Activity activity;
 
-    public int state;
-
-    public int drawable;
-    public String info;
-    public String message;
-
-    public String sizeSI;
-
-    public long loaded;
-    public String loadedSI = "0";
-    public long percent;
-
-    public static final int NOTIF_SERVICE = 1000;
-
-    public static final int STATE_NOT_REQUESTED = 100;
-    public static final int STATE_STANDBY = 110;
-    public static final int STATE_RUNNING = 120;
-    public static final int STATE_SUCCESS = 130;
-    public static final int STATE_FAILED = 140;
-
-    public static Thread thread = new Thread();
-
-    Integer id;
-
-    public String name;
-
-    public long size;
-
-    Timestamp addedTime;
-    Timestamp startedTime;
-
-    static List<Transfer> instances = new ArrayList<>();
-
-    public static List<Transfer> getInstances() {
-        List<Transfer> in = new ArrayList<>();
-        for (Transfer file: instances) {
-            //if(Arrays.asList(STATE_STANDBY, STATE_RUNNING, STATE_SUCCESS, STATE_FAILED).contains(file.state)) {
-            if(file.state == STATE_STANDBY ||
-                    file.state == STATE_RUNNING ||
-                    file.state == STATE_SUCCESS ||
-                    file.state == STATE_FAILED) {
-                in.add(file);
-            }
-        }
-        //in.sort(Comparator.comparing(Transfer::getAddedTime).reversed());
-        in.sort(Comparator.comparing(e -> e.addedTime));
-        return in;
-    }
-
-    public static Transfer getFileById(int id) {
-        for (Object obj: instances) {
-            Transfer p = (Transfer) obj;
-            if (p.id == id) return p;
-        }
-        return null;
-    }
-
-    public Integer getId() {
-        return id;
-    }
-
     public static void parameter(Context context) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
 
         host = prefs.getString("host", null);
+        port = valueOf(prefs.getString("port", null));
         root = prefs.getString("root", null);
-        shared_storage = prefs.getString("shared_storage", null);
+        local_storage = prefs.getString("local_storage", null);
-        use_shared_storage = prefs.getBoolean("use_shared_storage", false);
         if(prefs.getBoolean("protocol", false))
             protocol = "https";
         else
             protocol = "http";
-        String portValue = prefs.getString("port", null);
-        if(portValue.equals("")){
-            if(protocol.equals("http"))
-                port = 80;
-            else if(protocol.equals("https"))
-                port = 443;
-        }
-        else
-            port = valueOf(portValue);
     }
 
-    public void AddTransfer() {
+    private URL checkRedirection(URL url) throws IOException {
-
-        state = STATE_STANDBY;
-
-        addedTime = new Timestamp(System.currentTimeMillis());
-
-        Thread.State state = thread.getState();
-
-        if(state == Thread.State.NEW || state == Thread.State.TERMINATED) {
-            thread = new Thread(startTransfers);
-            thread.start();
-
-            /*Intent serviceIntent = new Intent(activity, TransferService.class);
-            ContextCompat.startForegroundService(activity, serviceIntent);*/
-        }
-    }
-
-    public void startTransfer() {
-
-    }
-
-    public static Runnable startTransfers = () -> {
-        try {
-            for (Transfer transfer : getInstances()) {
-                if (transfer.state == Transfer.STATE_STANDBY) {
-                    transfer.startTransfer();
-                    thread.run(); // restart thread for another potential standby transfer
-                    break; // ignore remainder instance
-                }
-            }
-        } catch (ConcurrentModificationException e) {
-            e.printStackTrace();
-        }
-
-    /*Intent serviceIntent = new Intent(Transfer.activity, TransferService.class);
-    Transfer.activity.stopService(serviceIntent);*/
-    };
-
-    public void progressUpdateDelay() {
-        // Run only every second to reduce CPU usage
-        if (System.currentTimeMillis() > (savedTimeMillis + 1000)) {
-            savedTimeMillis = System.currentTimeMillis();
-            progressUpdate();
-        }
-    }
-
-    private void progressUpdate(){
-
-        loadedSI = Transfer.humanReadableByteCountBin(loaded);
-
-        activity.runOnUiThread(() -> {
-
-            try {
-
-                notifBuilder.setSmallIcon(R.drawable.ic_upload_and_download_from_the_cloud)
-                        .setContentTitle(name)
-                        .setContentText(String.format("%d%% %s/%s", percent, loadedSI, sizeSI))
-                        .setProgress(100, (int) percent, false)
-                        .setContentIntent(pendingIntent);
-                if (ActivityCompat.checkSelfPermission(activity, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
-                    // TODO: Consider calling
-                    //    ActivityCompat#requestPermissions
-                    // here to request the missing permissions, and then overriding
-                    //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
-                    //                                          int[] grantResults)
-                    // to handle the case where the user grants the permission. See the documentation
-                    // for ActivityCompat#requestPermissions for more details.
-                    return;
-                }
-                notifiManager.notify(Transfer.NOTIF_SERVICE, notifBuilder.build());
-
-                if (app_started && fragment_on)
-                    showProgressFragment();
-
-            } catch (ConcurrentModificationException e) {
-                e.printStackTrace();
-            }
-        });
-    }
-
-    public void progressEnd() {
-        progressUpdate();
-        activity.runOnUiThread(() -> {
-
-            notifiManager.cancel(Transfer.NOTIF_SERVICE);
-
-            if (!app_started) {
-                notifBuilder.setSmallIcon(R.drawable.ic_upload_and_download_from_the_cloud)
-                        .setContentTitle(name)
-                        .setContentText(info)
-                        .setProgress(0, 0, false)
-                        .setContentIntent(pendingIntent);
-                notifiManager.notify(id, notifBuilder.build());
-            }
-
-            System.out.println(message);
-            /*Snackbar.make(Transfer.activity.findViewById(R.id.view_pager), tr.message, Snackbar.LENGTH_LONG)
-                    .setAction("Action", null).show();*/
-            Toast.makeText(activity, message, Toast.LENGTH_SHORT).show();
-
-        });
-    }
-
-    public void showProgressFragment(){
-
-        LinearLayout groot = fragment_progress.findViewById(R.id.groot);
-
-        View progress = groot.findViewById(id);
-
-        if (progress == null) {
-            progress = inflater.inflate(R.layout.progress, null);
-            progress.setId(id);
-            final View final_progress = progress;
-            activity.runOnUiThread(() -> {
-                groot.addView(final_progress, 0);
-            });
-        }
-
-        ((ProgressBar) progress.findViewById(R.id.progressBar)).setProgress((int) percent);
-        ((ImageView) progress.findViewById(R.id.transferType)).setImageResource(drawable);
-        ((TextView) progress.findViewById(R.id.progressText)).setText(percent + " %");
-        ((TextView) progress.findViewById(R.id.fileName)).setText(name);
-        ((TextView) progress.findViewById(R.id.fileSize)).setText(String.format("%s/%s", loadedSI, sizeSI));
-
-        if (state == Transfer.STATE_SUCCESS)
-            ((TextView) progress.findViewById(R.id.fileName)).setTextColor(Color.GREEN);
-        else if (state == Transfer.STATE_FAILED)
-            ((TextView) progress.findViewById(R.id.fileName)).setTextColor(Color.RED);
-    }
-
-    static URL checkRedirection(URL url) throws IOException {
         String location = null;
         HttpURLConnection conn = null;
         int responseCode;
@@ -317,7 +113,139 @@ public class Transfer {
         return url;
     }
 
-    public static String getFileList() throws IOException {
+    public void handleSendFile(Uri uri) {
+        if (uri != null) {
+            new Thread(() -> {
+                try {
+                    uploadFile(uri);
+                } catch (IOException e) {
+                    final String ExceptionName = e.getClass().getSimpleName();
+                    final String ExceptionMess = e.getMessage();
+
+                    if(ExceptionName != null && ExceptionMess != null) {
+                        Transfer.error(ExceptionName + ": " + ExceptionMess, null, null);
+                    }
+
+                }
+            }).start();
+        }
+    }
+
+    public void handleSendText(String sharedText) {
+        if (sharedText != null) {
+            SimpleDateFormat sdfDate = new SimpleDateFormat("yyyyMMdd_HHmmss");
+            Date now = new Date();
+            String strDate = sdfDate.format(now);
+            new Thread(() -> {
+                try {
+                    File outputFile = new File(activity.getCacheDir(), strDate + ".txt");
+                    FileOutputStream fileOut = new FileOutputStream(outputFile);
+                    OutputStreamWriter OutWriter = new OutputStreamWriter(fileOut);
+                    OutWriter.append(sharedText);
+                    OutWriter.close();
+
+                    fileOut.flush();
+                    fileOut.close();
+
+                    Uri uri = FileProvider.getUriForFile(activity, activity.getPackageName(), outputFile);
+
+                    uploadFile(uri);
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }).start();
+        }
+    }
+
+    public String uploadFile(Uri uri) throws IOException {
+        String message = null;
+        URL url = null;
+        HttpURLConnection conn = null;
+        DataOutputStream request = null;
+        String boundary = "*****";
+        int maxBufferSize = 1 * 1024 * 1024;
+        byte[] buffer = new byte[maxBufferSize];
+        int bufferLength;
+        long loaded = 0;
+
+        Cursor cursor = activity.getContentResolver().query(uri, null, null, null, null);
+        cursor.moveToFirst();
+        String fileName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
+        String fileNameUTF8 = new String(fileName.getBytes(), StandardCharsets.ISO_8859_1);
+        long fileSize = cursor.getLong(cursor.getColumnIndex(OpenableColumns.SIZE));
+        String type = activity.getContentResolver().getType(uri);
+
+        url = new URL(protocol, host, port, root + "/upload.php");
+
+        url = checkRedirection(url);
+
+        Progress p = new Progress(fileName, fileSize, Progress.UPLOAD);
+
+        if(url != null) {
+
+            Log.d("URL", url.toString());
+
+            conn = (HttpURLConnection) url.openConnection();
+            conn.setDoInput(true); // Allow Inputs
+            conn.setDoOutput(true); // Allow Outputs
+            conn.setUseCaches(false); // Don't use a Cached Copy
+            conn.setChunkedStreamingMode(maxBufferSize);
+            conn.setRequestMethod("POST");
+            conn.setRequestProperty("Connection", "keep-alive");
+            conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
+
+            conn.connect();
+
+            request = new DataOutputStream(conn.getOutputStream());
+
+            request.writeBytes("--" + boundary + "\r\n");
+            request.writeBytes("Content-Disposition: form-data; name=\"file\"; filename=\"" + fileNameUTF8 + "\"\r\n");
+            request.writeBytes("Content-Type: " + type + "\r\n\r\n");
+
+            InputStream in = activity.getContentResolver().openInputStream(uri);
+
+            while ((bufferLength = in.read(buffer)) > 0) {
+                request.write(buffer, 0, bufferLength);
+                loaded+= (long) bufferLength;
+                p.loaded = loaded;
+                p.percent = ((loaded * 100) / fileSize);
+            }
+
+            request.writeBytes("\r\n");
+            request.writeBytes("--" + boundary + "--\r\n");
+
+            in.close();
+
+            int responseCode = conn.getResponseCode();
+
+            if (responseCode == HttpURLConnection.HTTP_OK) {
+                message = "File " + fileName + " successful upload";
+                p.stopProgress();
+            }
+            else {
+                String s = conn.getResponseMessage();
+                throw new HttpErrorException("error code: " + responseCode + " " + s);
+            }
+
+            request.flush();
+
+            request.close();
+
+            conn.disconnect();
+
+            System.out.println(message);
+            if (activity != null) {
+                String finalMessage = message;
+                activity.runOnUiThread(() ->
+                        Snackbar.make(activity.findViewById(R.id.view_pager), finalMessage, Snackbar.LENGTH_LONG)
+                                .setAction("Action", null).show());
+            }
+        }
+
+        return message;
+    }
+
+    public String getFileList() throws IOException {
         URL url = null;
         HttpURLConnection conn = null;
 
@@ -349,15 +277,169 @@ public class Transfer {
         return fileList;
     }
 
+    public void downloadFile(final Uri uri, String name, long fileSize, String href, Button button) throws IOException {
+
+        /*final LinearLayout layout = activity.findViewById(id);
+        final Button button;
+        if(layout != null)
+            button = layout.findViewById(R.id.file_download);
+        else
+            button = null;*/
+
+        final File file = new File(uri.getPath());
+
+        URL url = null;
+        HttpURLConnection conn = null;
+        int maxBufferSize = 1 * 1024 * 1024;
+        byte[] buffer = new byte[maxBufferSize];
+        int bufferLength;
+        long loaded = 0;
+
+        final Drawable image = activity.getDrawable(R.drawable.ic_spinner_rotate);
+
+        Progress p = new Progress(name, fileSize, Progress.DOWNLOAD);
+        if(button != null)
+            p.button = button;
+
+        if(p.button != null) {
+            activity.runOnUiThread(() -> {
+                int h = image.getIntrinsicHeight();
+                int w = image.getIntrinsicWidth();
+                image.setBounds(0, 0, w, h);
+                p.button.setCompoundDrawables(button.getCompoundDrawables()[0], null, image, null);
+                ObjectAnimator anim = ObjectAnimator.ofInt(image, "level", 0, 10000);
+                anim.setDuration(1000);
+                anim.setRepeatCount(Animation.INFINITE);
+                anim.setInterpolator(new LinearInterpolator());
+                anim.start();
+            });
+        }
+
+        String[] parts = href.split("/");
+        String path = "";
+        for(int i=0; i< parts.length - 1; i++) {
+            path = path + parts[i] + "/";
+        }
+        String query = URLEncoder.encode(parts[parts.length - 1], StandardCharsets.UTF_8.toString());
+        url = new URL(protocol, host, port, path + query.replace("+", "%20"));
+        conn = (HttpURLConnection) url.openConnection();
+        conn.setDoOutput(true);
+        conn.setRequestMethod("GET");
+        conn.setConnectTimeout(2000);
+
+        Log.d("URL", url.toString());
+
+        conn.connect();
+
+        int responseCode = conn.getResponseCode();
+
+        if (responseCode == HttpURLConnection.HTTP_OK) {
+
+            FileOutputStream fileOutput = new FileOutputStream(file);
+            InputStream in = conn.getInputStream();
+
+            while ((bufferLength = in.read(buffer)) > 0) {
+                fileOutput.write(buffer, 0, bufferLength);
+                loaded+= (long) bufferLength;
+                p.loaded = loaded;
+                p.percent = ((loaded * 100) / fileSize);
+                if(Progress.app_started && p.button != null)
+                    activity.runOnUiThread(() -> p.button.setText(String.format("Download in progress %d%%", p.percent)));
+            }
+            fileOutput.close();
+
+            conn.disconnect();
+
+            p.stopProgress();
+
+            if(p.button != null) {
+                activity.runOnUiThread(() -> {
+                    final LinearLayout layout = (LinearLayout) p.button.getParent();
+                    layout.findViewById(R.id.file_view).setVisibility(LinearLayout.VISIBLE);
+                    layout.findViewById(R.id.file_share).setVisibility(LinearLayout.VISIBLE);
+                    p.button.setVisibility(LinearLayout.GONE);
+                    p.button.setEnabled(true);
+
+                    p.button.setText(activity.getString(R.string.file_download));
+                    p.button.setCompoundDrawables(p.button.getCompoundDrawables()[0], null, null, null);
+                });
+            }
+            activity.runOnUiThread(() -> {
+                String message = "File " + name + " successful download";
+                System.out.println(message);
+                Snackbar.make(activity.findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            });
+        }
+        else {
+            String s = conn.getResponseMessage();
+            throw new HttpErrorException("error code: " + responseCode + " " + s);
+        }
+
+        conn.disconnect();
+    }
+
+    public String deleteFile(String file) throws IOException {
+
+        URL url = null;
+        HttpURLConnection conn = null;
+
+        String message;
+
+        String query = URLEncoder.encode(file, StandardCharsets.UTF_8.toString());
+        String serverUrl = root + "/delete.php?file=" + query;
+        url = new URL(protocol, host, port, serverUrl);
+        conn = (HttpURLConnection) url.openConnection();
+        conn.setRequestMethod("GET");
+        conn.setConnectTimeout(2000);
+
+        conn.connect();
+
+        int responseCode = conn.getResponseCode();
+
+        if (responseCode == HttpURLConnection.HTTP_OK) {
+
+            message = "File " + file + " successful deleted";
+        }
+        else {
+            String s = conn.getResponseMessage();
+            throw new HttpErrorException("error code: " + responseCode + " " + s);
+        }
+
+        conn.disconnect();
+
+        return message;
+    }
+
     private static int timeout;
 
-    public static void errorSnackbar(final String message) {
+    public static void error(final String message, final TextView title, final LinearLayout layout) {
 
         System.out.println(message);
 
-        if (activity != null) {
+        if (timeout == 0) {
-            activity.runOnUiThread(() -> Snackbar.make(activity.findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
+            if (activity != null) {
-                    .setAction("Action", null).show());
+                activity.runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        if(layout != null)
+                            layout.removeAllViews();
+                        if(title != null) {
+                            layout.addView(title);
+                            title.setText(message);
+                        }
+                        Snackbar.make(activity.findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
+                                .setAction("Action", null).show();
+                    }
+                });
+            }
+            timeout = 1;
+            new Timer().schedule(new TimerTask() {
+                @Override
+                public void run() {
+                    timeout = 0;
+                }
+            }, 3000);
         }
     }
 

app/src/main/java/com/localtransfer/TransferService.java

@@ -1,42 +0,0 @@
-package com.localtransfer;
-
-import android.app.Notification;
-import android.app.PendingIntent;
-import android.app.Service;
-import android.content.Intent;
-import android.os.IBinder;
-
-import androidx.core.app.NotificationCompat;
-
-public class TransferService extends Service {
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-    }
-
-    @Override
-    public int onStartCommand(Intent intent, int flags, int startId) {
-
-        Intent notificationIntent = new Intent(this, MainActivity.class);
-        PendingIntent pendingIntent = PendingIntent.getActivity(this,
-                0, notificationIntent, 0);
-
-        Notification notification = new NotificationCompat.Builder(this, "CHANNEL_ID")
-                .setContentIntent(pendingIntent)
-                .build();
-
-        startForeground(Transfer.NOTIF_SERVICE, notification);
-
-        //do heavy work on a background thread
-        //stopSelf();
-
-        return START_NOT_STICKY;
-    }
-
-    @Override
-    public IBinder onBind(Intent intent) {
-        // TODO: Return the communication channel to the service.
-        throw new UnsupportedOperationException("Not yet implemented");
-    }
-}

app/src/main/java/com/localtransfer/UploadFile.java

@@ -1,201 +0,0 @@
-package com.localtransfer;
-
-import android.database.Cursor;
-import android.net.Uri;
-import android.provider.OpenableColumns;
-import android.util.Log;
-import android.view.View;
-
-import androidx.core.content.FileProvider;
-
-import com.google.android.material.snackbar.Snackbar;
-
-import java.io.DataOutputStream;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStreamWriter;
-import java.net.HttpURLConnection;
-import java.net.URL;
-import java.nio.charset.StandardCharsets;
-import java.sql.Timestamp;
-import java.text.SimpleDateFormat;
-import java.util.ConcurrentModificationException;
-import java.util.Date;
-
-public class UploadFile extends Transfer {
-
-    public Uri uri;
-
-    public String type;
-
-    public UploadFile() {
-        this.id = View.generateViewId();
-        instances.add(this);
-        info = "Upload complete";
-        state = STATE_NOT_REQUESTED;
-        drawable = R.drawable.ic_upload_24;
-    }
-
-    public static void handleSendFile(Uri uri) {
-        if (uri != null) {
-            UploadFile file = new UploadFile();
-            file.uri = uri;
-
-            Cursor cursor = activity.getContentResolver().query(uri, null, null, null, null);
-            cursor.moveToFirst();
-
-            file.type = activity.getContentResolver().getType(uri);
-
-            int col_name = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
-            if (col_name != -1)
-                file.name = cursor.getString(col_name);
-            if(file.name == null)
-                file.name = file.type.split("/")[0] + "_" + new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date()) + "." + file.type.split("/")[1];
-
-            int col_size = cursor.getColumnIndex(OpenableColumns.SIZE);
-            if (col_name != -1) {
-                file.size = cursor.getLong(col_size);
-                file.sizeSI = Transfer.humanReadableByteCountBin(file.size);
-            }
-
-            file.AddTransfer();
-        }
-    }
-
-    public static void handleSendText(String sharedText) {
-        if (sharedText != null) {
-            SimpleDateFormat sdfDate = new SimpleDateFormat("yyyyMMdd_HHmmss");
-            Date now = new Date();
-            String strDate = sdfDate.format(now);
-            Uri uri = null;
-
-            try {
-                File outputFile = new File(activity.getCacheDir(), strDate + ".txt");
-                FileOutputStream fileOut = new FileOutputStream(outputFile);
-                OutputStreamWriter OutWriter = new OutputStreamWriter(fileOut);
-                OutWriter.append(sharedText);
-                OutWriter.close();
-
-                fileOut.flush();
-                fileOut.close();
-
-                uri = FileProvider.getUriForFile(activity, activity.getPackageName(), outputFile);
-
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-            handleSendFile(uri);
-        }
-    }
-
-    @Override
-    public void startTransfer() {
-        super.startTransfer();
-
-        startedTime = new Timestamp(System.currentTimeMillis());
-
-        state = STATE_RUNNING;
-
-        try {
-            uploadFile();
-        } catch (IOException e) {
-            final String ExceptionName = e.getClass().getSimpleName();
-            final String ExceptionMess = e.getMessage();
-
-            state = Transfer.STATE_FAILED;
-            progressEnd();
-
-            if(ExceptionName != null && ExceptionMess != null) {
-                errorSnackbar(ExceptionMess);
-            }
-
-        }
-    }
-
-    private String uploadFile() throws IOException {
-        String message = null;
-        URL url = null;
-        HttpURLConnection conn = null;
-        DataOutputStream request = null;
-        String boundary = "*****";
-        final int maxBufferSize = 1 * 1024 * 1024;
-        byte[] buffer = new byte[maxBufferSize];
-        int bufferLength;
-        loaded = 0;
-
-        Cursor cursor = activity.getContentResolver().query(uri, null, null, null, null);
-        cursor.moveToFirst();
-
-        String fileNameUTF8 = new String(name.getBytes(), StandardCharsets.ISO_8859_1);
-
-        url = new URL(protocol, host, port, root + "/upload.php");
-
-        url = checkRedirection(url);
-
-        Log.d("URL", url.toString());
-
-        conn = (HttpURLConnection) url.openConnection();
-        conn.setDoInput(true); // Allow Inputs
-        conn.setDoOutput(true); // Allow Outputs
-        conn.setUseCaches(false); // Don't use a Cached Copy
-        conn.setChunkedStreamingMode(maxBufferSize);
-        conn.setRequestMethod("POST");
-        conn.setRequestProperty("Connection", "keep-alive");
-        conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
-
-        conn.connect();
-
-        request = new DataOutputStream(conn.getOutputStream());
-
-        request.writeBytes("--" + boundary + "\r\n");
-        request.writeBytes("Content-Disposition: form-data; name=\"file\"; filename=\"" + fileNameUTF8 + "\"\r\n");
-        request.writeBytes("Content-Type: " + type + "\r\n\r\n");
-
-        InputStream in = activity.getContentResolver().openInputStream(uri);
-
-        size = in.available();
-        sizeSI = Transfer.humanReadableByteCountBin(size);
-
-        while ((bufferLength = in.read(buffer)) > 0) {
-            request.write(buffer, 0, bufferLength);
-            loaded+= bufferLength;
-            percent = ((loaded * 100) / size);
-            progressUpdateDelay();
-        }
-
-        request.writeBytes("\r\n");
-        request.writeBytes("--" + boundary + "--\r\n");
-
-        in.close();
-
-        int responseCode = conn.getResponseCode();
-
-        if (responseCode == HttpURLConnection.HTTP_OK) {
-            message = "File " + name + " successful upload";
-            state = Transfer.STATE_SUCCESS;
-            progressEnd();
-        }
-        else {
-            String s = conn.getResponseMessage();
-            throw new HttpErrorException("error code: " + responseCode + " " + s);
-        }
-
-        request.flush();
-
-        request.close();
-
-        conn.disconnect();
-
-        System.out.println(message);
-        if (activity != null) {
-            String finalMessage = message;
-            activity.runOnUiThread(() ->
-                    Snackbar.make(activity.findViewById(R.id.view_pager), finalMessage, Snackbar.LENGTH_LONG)
-                            .setAction("Action", null).show());
-        }
-
-        return message;
-    }
-}

app/src/main/java/com/localtransfer/fragment/DownloadFragment.java

@@ -3,10 +3,14 @@ package com.localtransfer.fragment;
 import android.animation.ObjectAnimator;
 import android.content.ActivityNotFoundException;
 import android.content.Intent;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
 import android.graphics.drawable.Drawable;
+import android.net.Uri;
 import android.os.Bundle;
+
+import androidx.core.content.FileProvider;
+import androidx.fragment.app.Fragment;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+
 import android.os.Environment;
 import android.view.ContextMenu;
 import android.view.Gravity;
@@ -20,14 +24,11 @@ import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
-import android.widget.Toast;
-
-import androidx.fragment.app.Fragment;
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
 import com.google.android.material.snackbar.Snackbar;
+import com.localtransfer.BuildConfig;
+import com.localtransfer.Progress;
 import com.localtransfer.R;
-import com.localtransfer.DownloadFile;
 import com.localtransfer.Transfer;
 
 import org.json.JSONArray;
@@ -35,6 +36,8 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -50,7 +53,6 @@ public class DownloadFragment extends Fragment {
     }
 
     private View root;
-    private LayoutInflater inflater;
 
     public static DownloadFragment newInstance() {
         DownloadFragment fragment = new DownloadFragment();
@@ -67,20 +69,17 @@ public class DownloadFragment extends Fragment {
                              Bundle savedInstanceState) {
         root = inflater.inflate(R.layout.fragment_download, container, false);
 
-        this.inflater = inflater;
-
         new Timer().schedule(new TimerTask() {
             @Override
             public void run() {
-                listFile();
+                showFileList();
             }
         }, 100);
 
         SwipeRefreshLayout refresh = root.findViewById(R.id.refresh);
 
-
         refresh.setOnRefreshListener(() -> {
-            listFile();
+            new Thread(() -> showFileList()).start();
             refresh.setRefreshing(false);
         });
 
@@ -109,21 +108,22 @@ public class DownloadFragment extends Fragment {
     public boolean onContextItemSelected(MenuItem item) {
         if (item.getTitle() == "Delete") {
             LinearLayout fileDesc = (LinearLayout) root.findViewById(item.getItemId());
-            DownloadFile file = (DownloadFile) DownloadFile.getFileById((Integer) fileDesc.getTag(R.id.ID_DOWNLOAD));
+            final String file = String.valueOf(fileDesc.getTag(R.id.ID_FILE_NAME));
             new Thread(() -> {
                 try {
-                    String message = file.deleteFile();
+                    Transfer tr = new Transfer();
+                    String message = tr.deleteFile(file);
                     System.out.println(message);
-                    getActivity().runOnUiThread(() ->
+                    Transfer.activity.runOnUiThread(() ->
                             Snackbar.make(getActivity().findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
                                     .setAction("Action", null).show());
-                    listFile();
+                    showFileList();
                 } catch (IOException e) {
                     String ExceptionName = e.getClass().getSimpleName();
                     String ExceptionMess = e.getMessage();
 
                     if(ExceptionName != null && ExceptionMess != null) {
-                        Transfer.errorSnackbar(ExceptionMess);
+                        Transfer.error(ExceptionName + ": " + ExceptionMess, null, null);
                     }
 
                 }
@@ -135,175 +135,205 @@ public class DownloadFragment extends Fragment {
         return true;
     }
 
-    public void listFile() {
+    public void showFileList() {
-        new Thread(() -> {
-            final TextView title = new TextView(Transfer.activity);
-            final LinearLayout main_layout = root.findViewById(R.id.main_layout);
-            try {
-                String data = Transfer.getFileList();
-
-                if (data.equals("[]")) {
-                    title.setTextSize(18);
-                    title.setGravity(Gravity.CENTER);
-                    main_layout.removeAllViews();
-                    main_layout.addView(title);
-                    title.setHeight(1000);
-                    title.setText("No file to download");
-                }
-                else {
-
-                    getActivity().runOnUiThread(() -> {
-                        main_layout.removeAllViews();
-                        final View line = inflater.inflate(R.layout.horizontal_line, null);
-                        main_layout.addView(line);
-                    });
-
-                    try {
-                        JSONArray array = new JSONArray(data);
-                        for (int i = 0; i < array.length(); i++) {
-                            Integer id = View.generateViewId();
-                            DownloadFile trFile = new DownloadFile(id);
-
-                            JSONObject row = array.getJSONObject(i);
-                            trFile.name = row.getString("name");
-                            trFile.size = row.getLong("size");
-                            trFile.href = row.getString("href");
-                            trFile.mime = row.getString("mime");
-                            trFile.type = row.getString("type");
-
-                            getActivity().runOnUiThread(() -> showFileList(trFile));
-
-                        }
-                    } catch (JSONException e) {
-                        e.printStackTrace();
-                    }
-                }
-            } catch (IOException e) {
-                final String ExceptionName = e.getClass().getSimpleName();
-                final String ExceptionMess = e.getMessage();
-
-                if(ExceptionName != null && ExceptionMess != null) {
-                    Transfer.errorSnackbar(ExceptionMess);
-                }
-
-            }
-        }).start();
-    }
-
-    private void setThumbnail(DownloadFile file, ImageView image) {
-        new Thread(() -> {
-            InputStream thumbnail = file.getThumbnail();
-            Bitmap bitmap = BitmapFactory.decodeStream(thumbnail);
-            getActivity().runOnUiThread(() -> {
-                image.setImageBitmap(bitmap);
-            });
-        }).start();
-    }
-
-    private void showFileList(DownloadFile trFile) {
 
+        final TextView title = new TextView(Transfer.activity);
+        title.setTextSize(18);
+        title.setGravity(Gravity.CENTER);
         final LinearLayout main_layout = root.findViewById(R.id.main_layout);
+        final LayoutInflater inflater = (LayoutInflater) getActivity().getSystemService(getContext().LAYOUT_INFLATER_SERVICE);
 
-        View file_info = inflater.inflate(R.layout.file_info, null);
+        Transfer tr = new Transfer();
-        main_layout.addView(file_info);
-        ImageView image = file_info.findViewById(R.id.file_image);
-        TextView viewName = file_info.findViewById(R.id.file_name);
-        TextView viewType = file_info.findViewById(R.id.file_type);
-        TextView viewSize = file_info.findViewById(R.id.file_size);
-        LinearLayout fileDesc = file_info.findViewById(R.id.file_desc);
-        LinearLayout file_buttons = file_info.findViewById(R.id.file_buttons);
 
-        fileDesc.setId(View.generateViewId());
+        String data = "";
 
-        registerForContextMenu(fileDesc);
+        try {
+            data = tr.getFileList();
+        } catch (IOException e) {
+            final String ExceptionName = e.getClass().getSimpleName();
+            final String ExceptionMess = e.getMessage();
 
-        file_buttons.setId(trFile.getId());
+            if(ExceptionName != null && ExceptionMess != null) {
-        file_buttons.setTag(R.id.ID_DOWNLOAD, trFile.getId());
+                Transfer.error(ExceptionName + ": " + ExceptionMess, title, main_layout);
-        fileDesc.setTag(R.id.ID_DOWNLOAD, trFile.getId());
+            }
-        file_buttons.setTag(R.id.ID_FILE_BUTTONS, "FOR VISIBILITY");
 
-
+        }
-        trFile.setButton(file_buttons.findViewById(R.id.file_download));
+        if (data.equals("[]")) {
-
+            Transfer.activity.runOnUiThread(() -> {
-        viewName.setText(trFile.name);
+                main_layout.removeAllViews();
-        viewType.setText(trFile.mime);
+                main_layout.addView(title);
-        viewSize.setText(Transfer.humanReadableByteCountBin(trFile.size));
+                title.setHeight(1000);
-
+                title.setText("No file to download");
-        switch (trFile.type) {
+            });
-            case "file-image":
+            return;
-                image.setImageResource(R.drawable.ic_icon_image);
-                setThumbnail(trFile, image);
-                break;
-            case "file-video":
-                image.setImageResource(R.drawable.ic_icon_video);
-                setThumbnail(trFile, image);
-                break;
-            case "file-audio":
-                image.setImageResource(R.drawable.ic_icon_music);
-                break;
-            default:
-                image.setImageResource(R.drawable.ic_icon_file);
         }
 
-        fileDesc.setOnClickListener(view -> {
+        try {
 
-            Button Bview = file_buttons.findViewById(R.id.file_view);
+            JSONArray array;
-            Button Bshare = file_buttons.findViewById(R.id.file_share);
+            array = new JSONArray(data);
-            Button Bdownload = file_buttons.findViewById(R.id.file_download);
 
-            Bdownload.setOnClickListener(ListenerDL);
+            Transfer.activity.runOnUiThread(() -> {
-            Bview.setOnClickListener(ListenerView);
+                main_layout.removeAllViews();
-            Bshare.setOnClickListener(ListenerShare);
+                final View line = inflater.inflate(R.layout.horizontal_line, null);
+                main_layout.addView(line);
+            });
+            for (int i = 0; i < array.length(); i++) {
+                JSONObject row = array.getJSONObject(i);
+                final String name = row.getString("name");
+                final String href = row.getString("href");
+                final long size = row.getLong("size");
+                final String mime = row.getString("mime");
+                final String type = row.getString("type");
 
-            if (trFile.exist(getContext())) {
+                Transfer.activity.runOnUiThread(() -> {
-                Bview.setVisibility(LinearLayout.VISIBLE);
+                    title.setText("Choose file to download");
-                Bshare.setVisibility(LinearLayout.VISIBLE);
+                    View file_info = inflater.inflate(R.layout.file_info, null);
-                Bdownload.setVisibility(LinearLayout.GONE);
+                    main_layout.addView(file_info);
+                    ImageView image = file_info.findViewById(R.id.file_image);
+                    TextView viewName = file_info.findViewById(R.id.file_name);
+                    TextView viewType = file_info.findViewById(R.id.file_type);
+                    TextView viewSize = file_info.findViewById(R.id.file_size);
+                    LinearLayout fileDesc = file_info.findViewById(R.id.file_desc);
+                    LinearLayout file_buttons = file_info.findViewById(R.id.file_buttons);
+
+                    fileDesc.setId(View.generateViewId());
+                    file_buttons.setId(View.generateViewId());
+                    file_buttons.setTag(R.id.ID_FILE_BUTTONS, "FOR VISIBILITY");
+
+                    registerForContextMenu(fileDesc);
+                    fileDesc.setTag(R.id.ID_FILE_NAME, name);
+
+                    viewName.setText(name);
+                    viewType.setText(mime);
+                    viewSize.setText(Transfer.humanReadableByteCountBin(size));
+
+                    switch (type) {
+                        case "file-image":
+                            image.setImageResource(R.drawable.ic_icon_image);
+                            break;
+                        case "file-audio":
+                            image.setImageResource(R.drawable.ic_icon_music);
+                            break;
+                        case "file-video":
+                            image.setImageResource(R.drawable.ic_icon_video);
+                            break;
+                        default:
+                            image.setImageResource(R.drawable.ic_icon_file);
+                    }
+
+                    fileDesc.setOnClickListener(view -> {
+                        String save_location;
+
+                        if (mime.equals("text/plain"))
+                            save_location = getContext().getCacheDir().toString();
+                        else
+                            save_location = Environment.getExternalStorageDirectory() + "/" + Transfer.local_storage;
+
+                        File file = new File(save_location, name);
+
+                        file_buttons.setId(View.generateViewId());
+
+                        Button Bview = file_buttons.findViewById(R.id.file_view);
+                        Button Bshare = file_buttons.findViewById(R.id.file_share);
+                        Button dl = file_buttons.findViewById(R.id.file_download);
+
+                        dl.setOnClickListener(ListenerDL);
+                        Bview.setOnClickListener(ListenerView);
+                        Bshare.setOnClickListener(ListenerShare);
+
+                        if (file.exists() && file.length() == size) {
+                            Bview.setVisibility(LinearLayout.VISIBLE);
+                            Bshare.setVisibility(LinearLayout.VISIBLE);
+                            dl.setVisibility(LinearLayout.GONE);
+                        }
+                        else {
+                            dl.setVisibility(LinearLayout.VISIBLE);
+                            Bview.setVisibility(LinearLayout.GONE);
+                            Bshare.setVisibility(LinearLayout.GONE);
+                        }
+
+                        if (Progress.setButton(name, dl)) {
+                            dl.setEnabled(false);
+                            final Drawable spinner = Transfer.activity.getDrawable(R.drawable.ic_spinner_rotate);
+                            int h = spinner.getIntrinsicHeight();
+                            int w = spinner.getIntrinsicWidth();
+                            spinner.setBounds(0, 0, w, h);
+                            dl.setCompoundDrawables(dl.getCompoundDrawables()[0], null, spinner, null);
+                            ObjectAnimator anim = ObjectAnimator.ofInt(spinner, "level", 0, 10000);
+                            anim.setDuration(1000);
+                            anim.setRepeatCount(Animation.INFINITE);
+                            anim.setInterpolator(new LinearInterpolator());
+                            anim.start();
+                        }
+
+                        file_buttons.setTag(R.id.ID_FILE_NAME, name);
+                        file_buttons.setTag(R.id.ID_FILE_SIZE, size);
+                        file_buttons.setTag(R.id.ID_FILE_HREF, href);
+                        file_buttons.setTag(R.id.ID_FILE_MIME, mime);
+                        file_buttons.setTag(R.id.ID_SAVE_LOCATION, save_location);
+                        int state = file_buttons.getVisibility();
+                        if(state == LinearLayout.GONE) {
+                            for(View child : getAllChildren(main_layout)) {
+                                if(child.getTag(R.id.ID_FILE_BUTTONS) != null)
+                                    child.setVisibility(LinearLayout.GONE);
+                            }
+                            file_buttons.setVisibility(LinearLayout.VISIBLE);
+                        }
+                        else if(state == LinearLayout.VISIBLE)
+                            file_buttons.setVisibility(LinearLayout.GONE);
+                    });
+
+                });
             }
-            else {
+        } catch (JSONException e) {
-                Bdownload.setVisibility(LinearLayout.VISIBLE);
+            e.printStackTrace();
-                Bview.setVisibility(LinearLayout.GONE);
+        }
-                Bshare.setVisibility(LinearLayout.GONE);
-            }
-
-            trFile.setButton(Bdownload);
-
-            int state = file_buttons.getVisibility();
-            if(state == LinearLayout.GONE) {
-                for(View child : getAllChildren(main_layout)) {
-                    if(child.getTag(R.id.ID_FILE_BUTTONS) != null)
-                        child.setVisibility(LinearLayout.GONE);
-                }
-                file_buttons.setVisibility(LinearLayout.VISIBLE);
-            }
-            else if(state == LinearLayout.VISIBLE)
-                file_buttons.setVisibility(LinearLayout.GONE);
-        });
     }
 
     private View.OnClickListener ListenerDL = v -> {
         v.setEnabled(false);
         final LinearLayout layout = (LinearLayout) v.getParent();
-        final Button button = (Button) v;
+        final Button button = layout.findViewById(R.id.file_download);
-        button.setText(String.format("Download pending"));
 
-        final Integer id = (Integer) layout.getTag(R.id.ID_DOWNLOAD);
+        final String name = (String) layout.getTag(R.id.ID_FILE_NAME);
+        final String save_location = String.valueOf(layout.getTag(R.id.ID_SAVE_LOCATION));
+        final long fileSize = (long) layout.getTag(R.id.ID_FILE_SIZE);
+        final String href = (String) layout.getTag(R.id.ID_FILE_HREF);
 
-        DownloadFile file = (DownloadFile) DownloadFile.getFileById(id);
+        new File(save_location).mkdirs();
-        file.sizeSI = Transfer.humanReadableByteCountBin(file.size);
+        Uri uri = Uri.fromFile(new File(save_location, name));
-        file.AddTransfer();
+
+        Transfer tr = new Transfer();
+
+        new Thread(() -> {
+            try {
+                tr.downloadFile(uri, name, fileSize, href, button);
+            } catch (IOException e) {
+                final String ExceptionName = e.getClass().getSimpleName();
+                final String ExceptionMess = e.getMessage();
+
+                if(ExceptionName != null && ExceptionMess != null) {
+                    Transfer.error(ExceptionName + ": " + ExceptionMess, null, null);
+                }
+
+            }
+        }).start();
     };
 
     private View.OnClickListener ListenerShare = v -> {
         LinearLayout layout = (LinearLayout) v.getParent();
-        final Integer id = (Integer) layout.getTag(R.id.ID_DOWNLOAD);
+        final String name = (String) layout.getTag(R.id.ID_FILE_NAME);
+        final String type = (String) layout.getTag(R.id.ID_FILE_MIME);
 
-        DownloadFile dl = (DownloadFile) DownloadFile.getFileById(id);
+        final String save_location = String.valueOf(layout.getTag(R.id.ID_SAVE_LOCATION));
+        File file = new File(save_location, name);
+        Uri uri = FileProvider.getUriForFile(getContext(), BuildConfig.APPLICATION_ID, file);
 
-        if(dl.mime.equals("text/plain")) {
+        if(type.equals("text/plain")) {
             String text = null;
             try {
-                InputStream is = getActivity().getContentResolver().openInputStream(dl.uri);
+                InputStream is = new FileInputStream(file);
                 BufferedReader buf = new BufferedReader(new InputStreamReader(is));
 
                 String line;
@@ -321,43 +351,47 @@ public class DownloadFragment extends Fragment {
 
             try {
                 Intent intent = new Intent(Intent.ACTION_SEND);
-                intent.setType(dl.mime);
+                intent.setType(type);
                 intent.putExtra(Intent.EXTRA_TEXT, text);
                 startActivity(Intent.createChooser(intent, getString(R.string.share_title)));
             } catch (ActivityNotFoundException e) {
                 e.printStackTrace();
-                Toast.makeText(getActivity(), "Can't share " + dl.mime, Toast.LENGTH_SHORT).show();
             }
         }
         else {
             try {
                 Intent intent = new Intent(Intent.ACTION_SEND);
-                intent.putExtra(Intent.EXTRA_STREAM, dl.uri);
+                intent.putExtra(Intent.EXTRA_STREAM, uri);
-                intent.setType(dl.mime);
+                intent.setType(type);
                 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
                 startActivity(Intent.createChooser(intent, getString(R.string.share_title)));
             } catch (ActivityNotFoundException e) {
                 e.printStackTrace();
-                Toast.makeText(getActivity(), "Can't share " + dl.mime, Toast.LENGTH_SHORT).show();
             }
         }
+
+
     };
 
     private View.OnClickListener ListenerView = v -> {
         LinearLayout layout = (LinearLayout) v.getParent();
-        final Integer id = (Integer) layout.getTag(R.id.ID_DOWNLOAD);
+        final String name = (String) layout.getTag(R.id.ID_FILE_NAME);
+        final String type = (String) layout.getTag(R.id.ID_FILE_MIME);
 
-        DownloadFile dl = (DownloadFile) DownloadFile.getFileById(id);
+        final String save_location = String.valueOf(layout.getTag(R.id.ID_SAVE_LOCATION));
+        File file = new File(save_location, name);
+        Uri uri = FileProvider.getUriForFile(getContext(), BuildConfig.APPLICATION_ID, file);
 
         try {
             Intent intent = new Intent(Intent.ACTION_VIEW);
-            intent.setDataAndType(dl.uri, dl.mime);
+            intent.setDataAndType(uri, type);
             intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
             startActivity(intent);
         } catch (ActivityNotFoundException e) {
             e.printStackTrace();
-            Toast.makeText(getActivity(), "No " + dl.mime + " viewer", Toast.LENGTH_SHORT).show();
         }
+
+
     };
 
     private List<View> getAllChildren(View v) {

app/src/main/java/com/localtransfer/fragment/ProgressFragment.java

@@ -2,16 +2,26 @@ package com.localtransfer.fragment;
 
 import android.os.Bundle;
 
+import androidx.core.app.NotificationCompat;
+import androidx.core.app.NotificationManagerCompat;
 import androidx.fragment.app.Fragment;
 
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.ProgressBar;
+import android.widget.TextView;
 
+import com.localtransfer.Progress;
 import com.localtransfer.R;
 import com.localtransfer.Transfer;
 
+import java.util.ConcurrentModificationException;
 import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
 
 public class ProgressFragment extends Fragment {
 
@@ -33,20 +43,21 @@ public class ProgressFragment extends Fragment {
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        Transfer.fragment_progress = inflater.inflate(R.layout.fragment_progress, container, false);
+        Progress.root = inflater.inflate(R.layout.fragment_progress, container, false);
 
-        return Transfer.fragment_progress;
+        return Progress.root;
     }
 
     @Override
     public void onResume(){
         super.onResume();
 
-        Transfer.fragment_on = true;
+        Progress.fragment_on = true;
 
-        List<Transfer> instances = Transfer.getInstances();
+        List instances = Progress.getInstances();
-        for (Transfer file: instances) {
+        for (Object obj: instances) {
-            file.showProgressFragment();
+            Progress p = (Progress) obj;
+            p.showProgress();
         }
     }
 
@@ -54,6 +65,6 @@ public class ProgressFragment extends Fragment {
     public void onPause(){
         super.onPause();
 
-        Transfer.fragment_on = false;
+        Progress.fragment_on = false;
     }
 }

app/src/main/java/com/localtransfer/fragment/UploadFragment.java

@@ -0,0 +1,97 @@
+package com.localtransfer.fragment;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+import androidx.viewpager.widget.ViewPager;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.Toast;
+
+import com.localtransfer.R;
+import com.localtransfer.Transfer;
+
+import java.util.ArrayList;
+
+public class UploadFragment extends Fragment {
+
+    public UploadFragment() {
+        // Required empty public constructor
+    }
+
+    public static UploadFragment newInstance() {
+        UploadFragment fragment = new UploadFragment();
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        final View root =  inflater.inflate(R.layout.fragment_upload, container, false);
+
+        Button upload = (Button) root.findViewById(R.id.upload);
+        upload.setOnClickListener(v -> selectFile());
+
+        return root;
+    }
+
+    public static final int REQUEST_ID_CHOOSE_FILES = 2002;
+
+    private void selectFile() {
+        Intent intent = new Intent()
+                .setType("*/*")
+                .setAction(Intent.ACTION_GET_CONTENT)
+                .putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
+
+        startActivityForResult(Intent.createChooser(intent, "Select a file"), REQUEST_ID_CHOOSE_FILES);
+    }
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        Log.d("RequestCode", String.valueOf(requestCode));
+        if (requestCode == REQUEST_ID_CHOOSE_FILES && resultCode == Activity.RESULT_OK) {
+            String type = data.getType();
+
+            ViewPager viewPager = getActivity().findViewById(R.id.view_pager);
+            viewPager.setCurrentItem(2);
+
+            Transfer tr = new Transfer();
+
+            if (type != null) {
+                String sharedText = data.getStringExtra(Intent.EXTRA_TEXT);
+                tr.handleSendText(sharedText);
+            }
+            else {
+                ArrayList<Uri> fileUris = new ArrayList<>();
+                if (data.getClipData() != null) { // Checking for selection multiple files
+                    int nbItem = data.getClipData().getItemCount();
+                    Toast.makeText(getContext(), "You select " + nbItem + " files", Toast.LENGTH_SHORT).show();
+                    for (int i = 0; i < nbItem; i++) {
+                        Uri uri = data.getClipData().getItemAt(i).getUri();
+                        fileUris.add(uri);
+                    }
+                } else {
+                    Uri uri = data.getData(); //The uri with the location of the file
+                    fileUris.add(uri);
+                }
+                for (Uri uri : fileUris) {
+                    tr.handleSendFile(uri);
+                }
+            }
+        }
+    }
+}

app/src/main/res/layout/activity_main.xml

@@ -31,12 +31,4 @@
         android:layout_height="match_parent"
         app:layout_behavior="@string/appbar_scrolling_view_behavior" />
 
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/flotUpload"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="bottom|end"
-        android:layout_margin="@dimen/fab_margin"
-        app:srcCompat="@drawable/ic_upload_24" />
-
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/fragment_upload.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".fragment.UploadFragment">
+
+    <Button
+        android:id="@+id/upload"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:drawableStart="@drawable/ic_upload_32"
+        android:drawablePadding="10dp"
+        android:paddingLeft="70dp"
+        android:paddingTop="50dp"
+        android:paddingRight="70dp"
+        android:paddingBottom="50dp"
+        android:text="@string/upload"
+        android:textSize="18sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.39" />
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/ids.xml

@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <item name="ID_DOWNLOAD" type="id" />
+    <item name="ID_FILE_NAME" type="id" />
+    <item name="ID_FILE_SIZE" type="id" />
+    <item name="ID_FILE_HREF" type="id" />
+    <item name="ID_FILE_MIME" type="id" />
+    <item name="ID_SAVE_LOCATION" type="id" />
     <item name="ID_FILE_BUTTONS" type="id" />
 </resources>

app/src/main/res/values/strings.xml

@@ -23,16 +23,15 @@
     <!-- Server Preferences -->
     <string name="server_host">Host</string>
     <string name="server_protocol">Use secure https</string>
-    <string name="server_host_def">transfer.netdldata.net</string>
+    <string name="server_host_def">www.netdldata.net</string>
     <string name="server_port">Port</string>
-    <string name="server_port_def"></string>
+    <string name="server_port_def">80</string>
     <string name="server_root">Root</string>
-    <string name="server_root_def">/php</string>
+    <string name="server_root_def">/transfer</string>
 
     <!-- Local Preferences -->
-    <string name="use_shared_storage">Use shared storage</string>
+    <string name="local_storage">Local Storage</string>
-    <string name="shared_storage">Shared Storage</string>
+    <string name="local_storage_def">Download/TransferLocal</string>
-    <string name="shared_storage_def">Download/TransferLocal</string>
 
     <!-- File buttons -->
     <string name="file_share">Share</string>

app/src/main/res/xml/network_security_config.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<network-security-config>
-    <domain-config cleartextTrafficPermitted="true">
-        <domain includeSubdomains="true">netdldata.net</domain>
-    </domain-config>
-</network-security-config>

app/src/main/res/xml/root_preferences.xml

@@ -31,17 +31,11 @@
 
     <PreferenceCategory app:title="@string/local_header">
 
-        <SwitchPreference
-            android:defaultValue="false"
-            android:key="use_shared_storage"
-            android:title="@string/use_shared_storage" />
-
         <Preference
-            app:key="shared_storage"
+            app:key="local_storage"
-            app:title="@string/shared_storage"
+            app:title="@string/local_storage"
-            app:defaultValue="@string/shared_storage_def"
+            app:defaultValue="@string/local_storage_def"
-            app:useSimpleSummaryProvider="true"
+            app:useSimpleSummaryProvider="true" />
-            app:isPreferenceVisible="false"/>
 
     </PreferenceCategory>
 

app/src/test/java/com/localtransfer/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.localtransfer;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}

build.gradle

@@ -2,10 +2,10 @@
 buildscript {
     repositories {
         google()
-        mavenCentral()
+        jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.9.3'
+        classpath 'com.android.tools.build:gradle:4.1.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,17 +15,10 @@ buildscript {
 allprojects {
     repositories {
         google()
-        mavenCentral()
+        jcenter()
-    }
-    gradle.projectsEvaluated {
-        tasks.withType(JavaCompile).tap {
-            configureEach {
-                options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
-            }
-        }
     }
 }
 
-tasks.register('clean', Delete) {
+task clean(type: Delete) {
     delete rootProject.buildDir
 }

gradle.properties

@@ -17,6 +17,3 @@ org.gradle.jvmargs=-Xmx2048m
 android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
 android.enableJetifier=true
-android.defaults.buildfeatures.buildconfig=true
-android.nonTransitiveRClass=false
-android.nonFinalResIds=false

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Thu Feb 18 20:04:28 CET 2021
+#Mon Jan 11 18:53:24 CET 2021
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip