Merge branch 'foregroundService'

.idea/misc.xml

@@ -3,8 +3,11 @@
   <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>
@@ -52,7 +55,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/build.gradle

@@ -8,7 +8,7 @@ android {
         minSdkVersion 24
         targetSdkVersion 30
         versionCode 1
-        versionName "1.0"
+        versionName "2.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/AndroidManifest.xml

@@ -3,20 +3,25 @@
     package="com.localtransfer">
 
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+    <uses-permission
+        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: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"
+        android:theme="@style/AppTheme">
-        android:networkSecurityConfig="@xml/network_security_config"
+        <service
-        android:requestLegacyExternalStorage="true">
+            android:name=".TransferService"
+            android:enabled="true"
+            android:exported="true"></service>
         <!-- android:usesCleartextTraffic="true" -->
-
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}"
@@ -29,31 +34,30 @@
 
         <activity
             android:name=".SettingsActivity"
-            android:label="@string/title_activity_settings">
+            android:label="@string/title_activity_settings"></activity>
-        </activity>
-
         <activity
             android:name=".MainActivity"
             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

@@ -0,0 +1,289 @@
+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

@@ -2,31 +2,33 @@ 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;
 
@@ -63,6 +65,15 @@ public class MainActivity extends AppCompatActivity {
             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, 0);
+
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 
         if(prefs.getString("host", null) == null)
@@ -70,7 +81,8 @@ 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("local_storage", getString(R.string.local_storage_def))
+                    .putString("shared_storage", getString(R.string.shared_storage_def))
+                    .putBoolean("use_shared_storage", false)
                     .apply();
 
         Transfer.parameter(this);
@@ -80,16 +92,14 @@ 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);
-                tr.handleSendText(sharedText);
+                UploadFile.handleSendText(sharedText);
             } else {
                 Uri uri = intent.getParcelableExtra(Intent.EXTRA_STREAM);
-                tr.handleSendFile(uri);
+                UploadFile.handleSendFile(uri);
             }
         } else if (Intent.ACTION_SEND_MULTIPLE.equals(action) && type != null) {
             viewPager.setCurrentItem(2);
@@ -97,7 +107,7 @@ 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) tr.handleSendFile(uri);
+                for(Uri uri : fileUris) UploadFile.handleSendFile(uri);
         }
 
     }
@@ -112,11 +122,10 @@ public class MainActivity extends AppCompatActivity {
             ViewPager viewPager = this.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);
+                UploadFile.handleSendText(sharedText);
             }
             else {
                 ArrayList<Uri> fileUris = new ArrayList<>();
@@ -132,7 +141,7 @@ public class MainActivity extends AppCompatActivity {
                     fileUris.add(uri);
                 }
                 for (Uri uri : fileUris) {
-                    tr.handleSendFile(uri);
+                    UploadFile.handleSendFile(uri);
                 }
             }
         }
@@ -142,14 +151,14 @@ public class MainActivity extends AppCompatActivity {
     public void onResume(){
         super.onResume();
 
-        Progress.app_started = true;
+        Transfer.app_started = true;
     }
 
     @Override
     public void onPause(){
         super.onPause();
 
-        Progress.app_started = false;
+        Transfer.app_started = false;
     }
 
     @Override
@@ -187,7 +196,7 @@ public class MainActivity extends AppCompatActivity {
                 startActivity(settings);
                 break;
             case R.id.action_folder:
-                String save_location = Environment.getExternalStorageDirectory() + "/" + Transfer.local_storage;
+                String save_location = Environment.getExternalStorageDirectory() + "/" + Transfer.shared_storage;
                 Uri selectedUri = Uri.parse(save_location.toString());
                 boolean intentSuccess = false;
                 try {

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

@@ -1,188 +0,0 @@
-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<Progress> 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/ServerFile.java

@@ -1,217 +0,0 @@
-package com.localtransfer;
-
-import android.content.ContentUris;
-import android.content.Context;
-import android.database.Cursor;
-import android.net.Uri;
-import android.provider.MediaStore;
-import android.util.Log;
-import android.widget.Button;
-import android.widget.LinearLayout;
-
-import com.google.android.material.snackbar.Snackbar;
-
-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.util.ArrayList;
-import java.util.List;
-
-public class ServerFile extends Transfer {
-
-    private Integer id;
-
-    public String name;
-
-    public String href;
-
-    public String mime;
-
-    public String type;
-
-    public long size;
-
-    public String save_location;
-
-    public Uri uri;
-
-    public Button button;
-
-    public Progress progress;
-
-    private static List<ServerFile> instances = new ArrayList<>();
-
-    public ServerFile(Integer id) {
-        this.id = id;
-        instances.add(this);
-    }
-
-    public static List getInstances() {
-        return instances;
-    }
-
-    public static ServerFile getFileById(int id) {
-        for (Object obj: instances) {
-            ServerFile p = (ServerFile) obj;
-            if (p.id == id) return p;
-        }
-        return null;
-    }
-
-    public Integer getId() {
-        return id;
-    }
-
-    public boolean exist(Context context) {
-        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 {
-            File file = new File(save_location, name);
-            new File(save_location).mkdirs();
-            uri = Uri.fromFile(file);
-            if (file.exists() && file.length() == size)
-                return true;
-        }
-        return false;
-    }
-
-    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;
-        long 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+= (long) bufferLength;
-                progress.loaded = loaded;
-                progress.percent = ((loaded * 100) / size);
-                if(Progress.app_started && progress.button != null)
-                    activity.runOnUiThread(() -> progress.button.setText(String.format("Download in progress %d%%", progress.percent)));
-            }
-            fileOutput.close();
-
-            conn.disconnect();
-
-            progress.stopProgress();
-
-            if(progress.button != null) {
-                activity.runOnUiThread(() -> {
-                    final LinearLayout layout = (LinearLayout) progress.button.getParent();
-                    layout.findViewById(R.id.file_view).setVisibility(LinearLayout.VISIBLE);
-                    layout.findViewById(R.id.file_share).setVisibility(LinearLayout.VISIBLE);
-                    progress.button.setVisibility(LinearLayout.GONE);
-                    progress.button.setEnabled(true);
-
-                    progress.button.setText(activity.getString(R.string.file_download));
-                    progress.button.setCompoundDrawables(progress.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() 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;
-    }
-}

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

@@ -1,14 +1,10 @@
 package com.localtransfer;
 
 import android.app.Activity;
-import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
-import android.database.Cursor;
-import android.net.Uri;
 import android.os.Bundle;
 import android.os.Environment;
-import android.provider.MediaStore;
 import android.util.Log;
 import android.view.MenuItem;
 
@@ -17,6 +13,7 @@ import androidx.appcompat.app.AppCompatActivity;
 import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 import androidx.preference.PreferenceManager;
+import androidx.preference.SwitchPreference;
 
 import lib.folderpicker.FolderPicker;
 
@@ -46,8 +43,24 @@ public class SettingsActivity extends AppCompatActivity {
             setPreferencesFromResource(R.xml.root_preferences, rootKey);
 
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
-            directory = findPreference("local_storage");
+
-            directory.setSummary(prefs.getString("local_storage", null));
+            directory = findPreference("shared_storage");
+            directory.setSummary(prefs.getString("shared_storage", null));
+
+            SwitchPreference shared;
+            shared = findPreference("use_shared_storage");
+            if(shared.isChecked())
+                directory.setVisible(true);
+            else
+                directory.setVisible(false);
+
+            shared.setOnPreferenceClickListener(preference -> {
+                if(shared.isChecked())
+                    directory.setVisible(true);
+                else
+                    directory.setVisible(false);
+                return false;
+            });
             directory.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
                 @Override
                 public boolean onPreferenceClick(Preference preference) {
@@ -69,7 +82,7 @@ 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("local_storage", save_location).apply();
+                            prefs.edit().putString("shared_storage", save_location).apply();
                             directory.setSummary(save_location);
                         }
                     }

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

@@ -1,64 +1,133 @@
 package com.localtransfer;
 
-import android.animation.ObjectAnimator;
+import static java.lang.Integer.valueOf;
+
 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.database.Cursor;
+import android.graphics.Color;
-import android.graphics.drawable.Drawable;
-import android.net.Uri;
-import android.provider.OpenableColumns;
 import android.util.Log;
-import android.view.Gravity;
+import android.view.LayoutInflater;
-import android.view.animation.Animation;
+import android.view.View;
-import android.view.animation.LinearInterpolator;
+import android.widget.ImageView;
-import android.widget.Button;
 import android.widget.LinearLayout;
+import android.widget.ProgressBar;
 import android.widget.TextView;
+import android.widget.Toast;
 
-import androidx.core.content.FileProvider;
+import androidx.core.app.NotificationManagerCompat;
 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.OutputStream;
-import java.io.OutputStreamWriter;
 import java.net.HttpURLConnection;
 import java.net.ProtocolException;
 import java.net.URL;
-import java.net.URLEncoder;
+import java.sql.Timestamp;
-import java.nio.charset.StandardCharsets;
 import java.text.CharacterIterator;
-import java.text.SimpleDateFormat;
 import java.text.StringCharacterIterator;
-import java.util.Date;
+import java.util.ArrayList;
-import java.util.Timer;
+import java.util.Comparator;
-import java.util.TimerTask;
+import java.util.ConcurrentModificationException;
-
+import java.util.List;
-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 local_storage;
+    public static String shared_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);
         root = prefs.getString("root", null);
-        local_storage = prefs.getString("local_storage", null);
+        shared_storage = prefs.getString("shared_storage", null);
+        use_shared_storage = prefs.getBoolean("use_shared_storage", false);
         if(prefs.getBoolean("protocol", false))
             protocol = "https";
         else
@@ -74,7 +143,127 @@ public class Transfer {
             port = valueOf(portValue);
     }
 
-    private static URL checkRedirection(URL url) throws IOException {
+    public void AddTransfer() {
+
+        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);
+                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;
@@ -115,149 +304,6 @@ public class Transfer {
         return url;
     }
 
-    public static void handleSendFile(Uri uri) {
-        if (uri != null) {
-            new Thread(() -> {
-                try {
-                    Transfer.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 static void handleSendText(String sharedText) {
-        if (sharedText != null) {
-            SimpleDateFormat sdfDate = new SimpleDateFormat("text_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);
-
-                    Transfer.uploadFile(uri);
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-            }).start();
-        }
-    }
-
-    public static String uploadFile(Uri uri) 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;
-        long loaded = 0;
-
-        Cursor cursor = activity.getContentResolver().query(uri, null, null, null, null);
-        cursor.moveToFirst();
-
-        String type = activity.getContentResolver().getType(uri);
-
-        String fileName = null;
-        int col_name = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
-        if (col_name != -1)
-            fileName = cursor.getString(col_name);
-        if(fileName == null)
-            fileName = type.split("/")[0] + "_" + new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date()) + "." + type.split("/")[1];
-        String fileNameUTF8 = new String(fileName.getBytes(), StandardCharsets.ISO_8859_1);
-
-        long fileSize = -1;
-        int col_size = cursor.getColumnIndex(OpenableColumns.SIZE);
-        if (col_size != -1)
-            fileSize = cursor.getLong(col_size);
-
-        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);
-
-        if (fileSize < 1)
-            fileSize = in.available();
-
-        Progress p = new Progress(fileName, fileSize, Progress.UPLOAD);
-
-        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 static String getFileList() throws IOException {
         URL url = null;
         HttpURLConnection conn = null;
@@ -292,33 +338,13 @@ public class Transfer {
 
     private static int timeout;
 
-    public static void error(final String message, final TextView title, final LinearLayout layout) {
+    public static void errorSnackbar(final String message) {
 
         System.out.println(message);
 
-        if (timeout == 0) {
         if (activity != null) {
-                activity.runOnUiThread(() -> {
+            activity.runOnUiThread(() -> Snackbar.make(activity.findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
-                    if(layout != null)
+                    .setAction("Action", null).show());
-                        layout.removeAllViews();
-                    if(title != null) {
-                        title.setTextSize(18);
-                        title.setGravity(Gravity.CENTER);
-                        title.setHeight(1000);
-                        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

@@ -0,0 +1,42 @@
+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

@@ -0,0 +1,196 @@
+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 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.name = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
+            file.size = cursor.getLong(cursor.getColumnIndex(OpenableColumns.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 type = activity.getContentResolver().getType(uri);
+
+        String fileName = null;
+        int col_name = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME);
+        if (col_name != -1)
+            fileName = cursor.getString(col_name);
+        if(fileName == null)
+            fileName = type.split("/")[0] + "_" + new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date()) + "." + type.split("/")[1];
+        String fileNameUTF8 = new String(fileName.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();
+
+        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 " + fileName + " 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

@@ -2,14 +2,12 @@ package com.localtransfer.fragment;
 
 import android.animation.ObjectAnimator;
 import android.content.ActivityNotFoundException;
-import android.content.ContentValues;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.os.Environment;
-import android.provider.MediaStore;
 import android.view.ContextMenu;
 import android.view.Gravity;
 import android.view.LayoutInflater;
@@ -22,15 +20,15 @@ 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.Progress;
 import com.localtransfer.R;
+import com.localtransfer.DownloadFile;
 import com.localtransfer.Transfer;
-import com.localtransfer.ServerFile;
 
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -111,7 +109,7 @@ public class DownloadFragment extends Fragment {
     public boolean onContextItemSelected(MenuItem item) {
         if (item.getTitle() == "Delete") {
             LinearLayout fileDesc = (LinearLayout) root.findViewById(item.getItemId());
-            ServerFile file = ServerFile.getFileById((Integer) fileDesc.getTag(R.id.ID_DOWNLOAD));
+            DownloadFile file = (DownloadFile) DownloadFile.getFileById((Integer) fileDesc.getTag(R.id.ID_DOWNLOAD));
             new Thread(() -> {
                 try {
                     String message = file.deleteFile();
@@ -125,7 +123,7 @@ public class DownloadFragment extends Fragment {
                     String ExceptionMess = e.getMessage();
 
                     if(ExceptionName != null && ExceptionMess != null) {
-                        Transfer.error(ExceptionName + ": " + ExceptionMess, null, null);
+                        Transfer.errorSnackbar(ExceptionMess);
                     }
 
                 }
@@ -164,7 +162,7 @@ public class DownloadFragment extends Fragment {
                         JSONArray array = new JSONArray(data);
                         for (int i = 0; i < array.length(); i++) {
                             Integer id = View.generateViewId();
-                            ServerFile trFile = new ServerFile(id);
+                            DownloadFile trFile = new DownloadFile(id);
 
                             JSONObject row = array.getJSONObject(i);
                             trFile.name = row.getString("name");
@@ -185,14 +183,14 @@ public class DownloadFragment extends Fragment {
                 final String ExceptionMess = e.getMessage();
 
                 if(ExceptionName != null && ExceptionMess != null) {
-                    Transfer.error(ExceptionName + ": " + ExceptionMess, title, main_layout);
+                    Transfer.errorSnackbar(ExceptionMess);
                 }
 
             }
         }).start();
     }
 
-    private void setThumbnail(ServerFile file, ImageView image) {
+    private void setThumbnail(DownloadFile file, ImageView image) {
         new Thread(() -> {
             InputStream thumbnail = file.getThumbnail();
             Bitmap bitmap = BitmapFactory.decodeStream(thumbnail);
@@ -202,7 +200,7 @@ public class DownloadFragment extends Fragment {
         }).start();
     }
 
-    private void showFileList(ServerFile trFile) {
+    private void showFileList(DownloadFile trFile) {
 
         final LinearLayout main_layout = root.findViewById(R.id.main_layout);
 
@@ -224,12 +222,8 @@ public class DownloadFragment extends Fragment {
         fileDesc.setTag(R.id.ID_DOWNLOAD, trFile.getId());
         file_buttons.setTag(R.id.ID_FILE_BUTTONS, "FOR VISIBILITY");
 
-        trFile.button = file_buttons.findViewById(R.id.file_download);
 
-        if (trFile.mime.equals("text/plain"))
+        trFile.setButton(file_buttons.findViewById(R.id.file_download));
-            trFile.save_location = getContext().getCacheDir().toString();
-        else
-            trFile.save_location = Environment.getExternalStorageDirectory() + "/" + Transfer.local_storage;
 
         viewName.setText(trFile.name);
         viewType.setText(trFile.mime);
@@ -272,19 +266,7 @@ public class DownloadFragment extends Fragment {
                 Bshare.setVisibility(LinearLayout.GONE);
             }
 
-            if (Progress.setButton(trFile.name, Bdownload)) {
+            trFile.setButton(Bdownload);
-                Bdownload.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);
-                Bdownload.setCompoundDrawables(Bdownload.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();
-            }
 
             int state = file_buttons.getVisibility();
             if(state == LinearLayout.GONE) {
@@ -302,54 +284,21 @@ public class DownloadFragment extends Fragment {
     private View.OnClickListener ListenerDL = v -> {
         v.setEnabled(false);
         final LinearLayout layout = (LinearLayout) v.getParent();
-        final Button button = layout.findViewById(R.id.file_download);
+        final Button button = (Button) v;
+        button.setText(String.format("Download pending"));
 
         final Integer id = (Integer) layout.getTag(R.id.ID_DOWNLOAD);
 
-        final Drawable image = getActivity().getDrawable(R.drawable.ic_spinner_rotate);
+        DownloadFile file = (DownloadFile) DownloadFile.getFileById(id);
-        int h = image.getIntrinsicHeight();
+        file.sizeSI = Transfer.humanReadableByteCountBin(file.size);
-        int w = image.getIntrinsicWidth();
+        file.AddTransfer();
-        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();
-
-        ServerFile file = ServerFile.getFileById(id);
-
-        file.progress = new Progress(file.name, file.size, Progress.DOWNLOAD);
-        file.progress.button = file.button;
-
-        if (file.uri == null && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
-            ContentValues values = new ContentValues();
-            values.put(MediaStore.MediaColumns.DISPLAY_NAME, file.name);
-            values.put(MediaStore.MediaColumns.MIME_TYPE, file.mime);
-            values.put(MediaStore.MediaColumns.RELATIVE_PATH, Transfer.local_storage);
-            file.uri = getContext().getContentResolver().insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, values);
-        }
-
-        new Thread(() -> {
-            try {
-                file.downloadFile();
-            } 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);
 
-        ServerFile dl = ServerFile.getFileById(id);
+        DownloadFile dl = (DownloadFile) DownloadFile.getFileById(id);
 
         if(dl.type.equals("text/plain")) {
             String text = null;
@@ -377,6 +326,7 @@ public class DownloadFragment extends Fragment {
                 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 {
@@ -388,17 +338,16 @@ public class DownloadFragment extends Fragment {
                 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);
 
-        ServerFile dl = ServerFile.getFileById(id);
+        DownloadFile dl = (DownloadFile) DownloadFile.getFileById(id);
 
         try {
             Intent intent = new Intent(Intent.ACTION_VIEW);
@@ -407,9 +356,8 @@ public class DownloadFragment extends Fragment {
             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

@@ -2,26 +2,16 @@ 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 {
 
@@ -43,21 +33,20 @@ public class ProgressFragment extends Fragment {
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        Progress.root = inflater.inflate(R.layout.fragment_progress, container, false);
+        Transfer.fragment_progress = inflater.inflate(R.layout.fragment_progress, container, false);
 
-        return Progress.root;
+        return Transfer.fragment_progress;
     }
 
     @Override
     public void onResume(){
         super.onResume();
 
-        Progress.fragment_on = true;
+        Transfer.fragment_on = true;
 
-        List instances = Progress.getInstances();
+        List<Transfer> instances = Transfer.getInstances();
-        for (Object obj: instances) {
+        for (Transfer file: instances) {
-            Progress p = (Progress) obj;
+            file.showProgressFragment();
-            p.showProgress();
         }
     }
 
@@ -65,6 +54,6 @@ public class ProgressFragment extends Fragment {
     public void onPause(){
         super.onPause();
 
-        Progress.fragment_on = false;
+        Transfer.fragment_on = false;
     }
 }

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

@@ -30,8 +30,9 @@
     <string name="server_root_def">/transfer</string>
 
     <!-- Local Preferences -->
-    <string name="local_storage">Local Storage</string>
+    <string name="use_shared_storage">Use shared storage</string>
-    <string name="local_storage_def">Download/TransferLocal</string>
+    <string name="shared_storage">Shared Storage</string>
+    <string name="shared_storage_def">Download/TransferLocal</string>
 
     <!-- File buttons -->
     <string name="file_share">Share</string>

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

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