From 92e9c355843349bb59f0d13827c4b253a681de39 Mon Sep 17 00:00:00 2001
From: lionel <>
Date: Tue, 22 Feb 2022 15:15:08 +0100
Subject: [PATCH] TransferFile

- unification class TransferFile
- MediaStore Android 11 Q download support
---
 .idea/gradle.xml                              |   1 -
 app/src/main/AndroidManifest.xml              |   6 +-
 .../java/com/localtransfer/MainActivity.java  |   4 +-
 .../com/localtransfer/SettingsActivity.java   |  14 +-
 .../main/java/com/localtransfer/Transfer.java |  75 ++--
 .../java/com/localtransfer/TransferFile.java  |  81 ++++
 .../fragment/DownloadFragment.java            | 400 +++++++++---------
 app/src/main/res/values/ids.xml               |   6 +-
 8 files changed, 321 insertions(+), 266 deletions(-)
 create mode 100644 app/src/main/java/com/localtransfer/TransferFile.java

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index bb80ebf..526b4c2 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -7,7 +7,6 @@
         <option name="testRunner" value="GRADLE" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="Android Studio default JDK" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a57f5bc..bfa73f6 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -3,7 +3,8 @@
     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" />
 
     <application
@@ -12,7 +13,8 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
-        android:networkSecurityConfig="@xml/network_security_config">
+        android:networkSecurityConfig="@xml/network_security_config"
+        android:requestLegacyExternalStorage="true">
         <!--android:usesCleartextTraffic="true"-->
 
         <provider
diff --git a/app/src/main/java/com/localtransfer/MainActivity.java b/app/src/main/java/com/localtransfer/MainActivity.java
index 92f5c89..097fee6 100644
--- a/app/src/main/java/com/localtransfer/MainActivity.java
+++ b/app/src/main/java/com/localtransfer/MainActivity.java
@@ -59,7 +59,9 @@ public class MainActivity extends AppCompatActivity {
             }
         });
 
-        checkAndRequestPermissions();
+        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.Q) {
+            checkAndRequestPermissions();
+        }
 
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
 
diff --git a/app/src/main/java/com/localtransfer/SettingsActivity.java b/app/src/main/java/com/localtransfer/SettingsActivity.java
index 93135bf..f39f28c 100644
--- a/app/src/main/java/com/localtransfer/SettingsActivity.java
+++ b/app/src/main/java/com/localtransfer/SettingsActivity.java
@@ -1,8 +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;
@@ -63,16 +65,8 @@ public class SettingsActivity extends AppCompatActivity {
                 case REQUEST_DIRECTORY_PICKER:
                     if (resultCode == Activity.RESULT_OK) {
                         String currentPath = data.getExtras().getString("data");
-
-                        Uri uri;
-                        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
-                            uri = MediaStore.Downloads.EXTERNAL_CONTENT_URI;
-                        }
-                        else {
-                            uri = Uri.fromFile(Environment.getExternalStorageDirectory());
-                        }
-                        if(currentPath.contains(uri + "/")) {
-                            String save_location = currentPath.replace(uri + "/", "");
+                        if(currentPath.contains(Environment.getExternalStorageDirectory() + "/")) {
+                            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();
diff --git a/app/src/main/java/com/localtransfer/Transfer.java b/app/src/main/java/com/localtransfer/Transfer.java
index ca08bdc..eaa7f7b 100644
--- a/app/src/main/java/com/localtransfer/Transfer.java
+++ b/app/src/main/java/com/localtransfer/Transfer.java
@@ -73,7 +73,7 @@ public class Transfer {
             port = valueOf(portValue);
     }
 
-    private URL checkRedirection(URL url) throws IOException {
+    private static URL checkRedirection(URL url) throws IOException {
         String location = null;
         HttpURLConnection conn = null;
         int responseCode;
@@ -114,11 +114,11 @@ public class Transfer {
         return url;
     }
 
-    public void handleSendFile(Uri uri) {
+    public static void handleSendFile(Uri uri) {
         if (uri != null) {
             new Thread(() -> {
                 try {
-                    uploadFile(uri);
+                    Transfer.uploadFile(uri);
                 } catch (IOException e) {
                     final String ExceptionName = e.getClass().getSimpleName();
                     final String ExceptionMess = e.getMessage();
@@ -132,7 +132,7 @@ public class Transfer {
         }
     }
 
-    public void handleSendText(String sharedText) {
+    public static void handleSendText(String sharedText) {
         if (sharedText != null) {
             SimpleDateFormat sdfDate = new SimpleDateFormat("text_yyyyMMdd_HHmmss");
             Date now = new Date();
@@ -150,7 +150,7 @@ public class Transfer {
 
                     Uri uri = FileProvider.getUriForFile(activity, activity.getPackageName(), outputFile);
 
-                    uploadFile(uri);
+                    Transfer.uploadFile(uri);
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
@@ -158,7 +158,7 @@ public class Transfer {
         }
     }
 
-    public String uploadFile(Uri uri) throws IOException {
+    public static String uploadFile(Uri uri) throws IOException {
         String message = null;
         URL url = null;
         HttpURLConnection conn = null;
@@ -257,7 +257,7 @@ public class Transfer {
         return message;
     }
 
-    public String getFileList() throws IOException {
+    public static String getFileList() throws IOException {
         URL url = null;
         HttpURLConnection conn = null;
 
@@ -289,7 +289,7 @@ public class Transfer {
         return fileList;
     }
 
-    public InputStream getThumbnail(String href) {
+    public static InputStream getThumbnail(String href) {
         InputStream thumbnail = null;
             URL url;
             try {
@@ -309,14 +309,7 @@ public class Transfer {
         return thumbnail;
     }
 
-    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;*/
+    public static void downloadFile(TransferFile file) throws IOException {
 
         URL url = null;
         HttpURLConnection conn = null;
@@ -325,27 +318,7 @@ public class Transfer {
         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[] parts = file.href.split("/");
         String path = "";
         for(int i=0; i< parts.length - 1; i++) {
             path = path + parts[i] + "/";
@@ -365,37 +338,37 @@ public class Transfer {
 
         if (responseCode == HttpURLConnection.HTTP_OK) {
 
-            OutputStream fileOutput = activity.getContentResolver().openOutputStream(uri);
+            OutputStream fileOutput = activity.getContentResolver().openOutputStream(file.uri);
             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)));
+                file.progress.loaded = loaded;
+                file.progress.percent = ((loaded * 100) / file.size);
+                if(Progress.app_started && file.progress.button != null)
+                    activity.runOnUiThread(() -> file.progress.button.setText(String.format("Download in progress %d%%", file.progress.percent)));
             }
             fileOutput.close();
 
             conn.disconnect();
 
-            p.stopProgress();
+            file.progress.stopProgress();
 
-            if(p.button != null) {
+            if(file.progress.button != null) {
                 activity.runOnUiThread(() -> {
-                    final LinearLayout layout = (LinearLayout) p.button.getParent();
+                    final LinearLayout layout = (LinearLayout) file.progress.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);
+                    file.progress.button.setVisibility(LinearLayout.GONE);
+                    file.progress.button.setEnabled(true);
 
-                    p.button.setText(activity.getString(R.string.file_download));
-                    p.button.setCompoundDrawables(p.button.getCompoundDrawables()[0], null, null, null);
+                    file.progress.button.setText(activity.getString(R.string.file_download));
+                    file.progress.button.setCompoundDrawables(file.progress.button.getCompoundDrawables()[0], null, null, null);
                 });
             }
             activity.runOnUiThread(() -> {
-                String message = "File " + name + " successful download";
+                String message = "File " + file.name + " successful download";
                 System.out.println(message);
                 Snackbar.make(activity.findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
                         .setAction("Action", null).show();
@@ -409,7 +382,7 @@ public class Transfer {
         conn.disconnect();
     }
 
-    public String deleteFile(String file) throws IOException {
+    public static String deleteFile(String file) throws IOException {
 
         URL url = null;
         HttpURLConnection conn = null;
diff --git a/app/src/main/java/com/localtransfer/TransferFile.java b/app/src/main/java/com/localtransfer/TransferFile.java
new file mode 100644
index 0000000..d72c635
--- /dev/null
+++ b/app/src/main/java/com/localtransfer/TransferFile.java
@@ -0,0 +1,81 @@
+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.widget.Button;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+public class TransferFile {
+
+    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<TransferFile> instances = new ArrayList<>();
+
+    public TransferFile(Integer id) {
+        this.id = id;
+        instances.add(this);
+    }
+
+    public static List getInstances() {
+        return instances;
+    }
+
+    public static TransferFile getDownload(int id) {
+        for (Object obj: instances) {
+            TransferFile p = (TransferFile) 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;
+    }
+}
diff --git a/app/src/main/java/com/localtransfer/fragment/DownloadFragment.java b/app/src/main/java/com/localtransfer/fragment/DownloadFragment.java
index 4681a0e..98a19b5 100644
--- a/app/src/main/java/com/localtransfer/fragment/DownloadFragment.java
+++ b/app/src/main/java/com/localtransfer/fragment/DownloadFragment.java
@@ -7,11 +7,7 @@ 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.fragment.app.Fragment;
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
-
 import android.os.Environment;
 import android.provider.MediaStore;
 import android.view.ContextMenu;
@@ -27,17 +23,20 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+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.Transfer;
+import com.localtransfer.TransferFile;
 
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.io.BufferedReader;
-import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -53,6 +52,7 @@ public class DownloadFragment extends Fragment {
     }
 
     private View root;
+    private LayoutInflater inflater;
 
     public static DownloadFragment newInstance() {
         DownloadFragment fragment = new DownloadFragment();
@@ -69,17 +69,20 @@ 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() {
-                showFileList();
+                listFile();
             }
         }, 100);
 
         SwipeRefreshLayout refresh = root.findViewById(R.id.refresh);
 
+
         refresh.setOnRefreshListener(() -> {
-            new Thread(() -> showFileList()).start();
+            listFile();
             refresh.setRefreshing(false);
         });
 
@@ -111,13 +114,12 @@ public class DownloadFragment extends Fragment {
             final String file = String.valueOf(fileDesc.getTag(R.id.ID_FILE_NAME));
             new Thread(() -> {
                 try {
-                    Transfer tr = new Transfer();
-                    String message = tr.deleteFile(file);
+                    String message = Transfer.deleteFile(file);
                     System.out.println(message);
-                    Transfer.activity.runOnUiThread(() ->
+                    getActivity().runOnUiThread(() ->
                             Snackbar.make(getActivity().findViewById(R.id.view_pager), message, Snackbar.LENGTH_LONG)
                                     .setAction("Action", null).show());
-                    showFileList();
+                    listFile();
                 } catch (IOException e) {
                     String ExceptionName = e.getClass().getSimpleName();
                     String ExceptionMess = e.getMessage();
@@ -135,177 +137,166 @@ public class DownloadFragment extends Fragment {
         return true;
     }
 
-    public void showFileList() {
+    public void listFile() {
+        new Thread(() -> {
+            final TextView title = new TextView(Transfer.activity);
+            final LinearLayout main_layout = root.findViewById(R.id.main_layout);
+            try {
+                String data = Transfer.getFileList();
 
-        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);
+                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 {
 
-        Transfer tr = new Transfer();
-
-        String data = "";
-
-        try {
-            data = tr.getFileList();
-        } catch (IOException e) {
-            final String ExceptionName = e.getClass().getSimpleName();
-            final String ExceptionMess = e.getMessage();
-
-            if(ExceptionName != null && ExceptionMess != null) {
-                Transfer.error(ExceptionName + ": " + ExceptionMess, title, main_layout);
-            }
-
-        }
-        if (data.equals("[]")) {
-            Transfer.activity.runOnUiThread(() -> {
-                main_layout.removeAllViews();
-                main_layout.addView(title);
-                title.setHeight(1000);
-                title.setText("No file to download");
-            });
-            return;
-        }
-
-        try {
-
-            JSONArray array;
-            array = new JSONArray(data);
-
-            Transfer.activity.runOnUiThread(() -> {
-                main_layout.removeAllViews();
-                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");
-
-                Transfer.activity.runOnUiThread(() -> {
-                    title.setText("Choose file to download");
-                    View file_info = inflater.inflate(R.layout.file_info, null);
-                    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":
-                        case "file-video":
-                            //image.setImageResource(R.drawable.ic_icon_image);
-                            new Thread(() -> {
-                                InputStream thumbnail = tr.getThumbnail(href);
-                                Bitmap bitmap = BitmapFactory.decodeStream(thumbnail);
-                                getActivity().runOnUiThread(() -> {
-                                        image.setImageBitmap(bitmap);
-                                });
-                            }).start();
-                            break;
-                        case "file-audio":
-                            image.setImageResource(R.drawable.ic_icon_music);
-                            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);
-                        ContentValues values = new ContentValues();
-                        values.put(MediaStore.MediaColumns.DISPLAY_NAME, name);
-                        values.put(MediaStore.MediaColumns.MIME_TYPE, mime);
-                        values.put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DOWNLOADS);
-
-                        Uri uri;
-                        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
-                            uri = getContext().getContentResolver().insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, values);
-                        }
-                        else
-                            uri = null;
-
-                        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_FILE_URI, uri);
-                        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);
+                    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();
+                            TransferFile trFile = new TransferFile(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.error(ExceptionName + ": " + ExceptionMess, title, main_layout);
+                }
+
             }
-        } catch (JSONException e) {
-            e.printStackTrace();
+        }).start();
+    }
+
+    private void setThumbnail(String href, ImageView image) {
+        new Thread(() -> {
+            InputStream thumbnail = Transfer.getThumbnail(href);
+            Bitmap bitmap = BitmapFactory.decodeStream(thumbnail);
+            getActivity().runOnUiThread(() -> {
+                image.setImageBitmap(bitmap);
+            });
+        }).start();
+    }
+
+    private void showFileList(TransferFile trFile) {
+
+        final LinearLayout main_layout = root.findViewById(R.id.main_layout);
+
+        View file_info = inflater.inflate(R.layout.file_info, null);
+        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(trFile.getId());
+        file_buttons.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.save_location = getContext().getCacheDir().toString();
+        else
+            trFile.save_location = Environment.getExternalStorageDirectory() + "/" + Transfer.local_storage;
+
+        registerForContextMenu(fileDesc);
+        fileDesc.setTag(R.id.ID_FILE_NAME, trFile.name);
+
+        viewName.setText(trFile.name);
+        viewType.setText(trFile.mime);
+        viewSize.setText(Transfer.humanReadableByteCountBin(trFile.size));
+
+        switch (trFile.type) {
+            case "file-image":
+                image.setImageResource(R.drawable.ic_icon_image);
+                setThumbnail(trFile.href, image);
+                break;
+            case "file-video":
+                image.setImageResource(R.drawable.ic_icon_video);
+                setThumbnail(trFile.href, image);
+                break;
+            case "file-audio":
+                image.setImageResource(R.drawable.ic_icon_music);
+                break;
+            default:
+                image.setImageResource(R.drawable.ic_icon_file);
         }
+
+        fileDesc.setOnClickListener(view -> {
+
+            Button Bview = file_buttons.findViewById(R.id.file_view);
+            Button Bshare = file_buttons.findViewById(R.id.file_share);
+            Button Bdownload = file_buttons.findViewById(R.id.file_download);
+
+            Bdownload.setOnClickListener(ListenerDL);
+            Bview.setOnClickListener(ListenerView);
+            Bshare.setOnClickListener(ListenerShare);
+
+            if (trFile.exist(getContext())) {
+                Bview.setVisibility(LinearLayout.VISIBLE);
+                Bshare.setVisibility(LinearLayout.VISIBLE);
+                Bdownload.setVisibility(LinearLayout.GONE);
+            }
+            else {
+                Bdownload.setVisibility(LinearLayout.VISIBLE);
+                Bview.setVisibility(LinearLayout.GONE);
+                Bshare.setVisibility(LinearLayout.GONE);
+            }
+
+            if (Progress.setButton(trFile.name, 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) {
+                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 -> {
@@ -313,18 +304,35 @@ public class DownloadFragment extends Fragment {
         final LinearLayout layout = (LinearLayout) v.getParent();
         final Button button = layout.findViewById(R.id.file_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);
-        final String mime = (String) layout.getTag(R.id.ID_FILE_MIME);
-        final Uri uri = (Uri) layout.getTag(R.id.ID_FILE_URI);
+        final Integer id = (Integer) layout.getTag(R.id.ID_DOWNLOAD);
 
-        Transfer tr = new Transfer();
+        final Drawable image = getActivity().getDrawable(R.drawable.ic_spinner_rotate);
+        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();
+
+        TransferFile file = TransferFile.getDownload(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 {
-                tr.downloadFile(uri, name, fileSize, href, button);
+                Transfer.downloadFile(file);
             } catch (IOException e) {
                 final String ExceptionName = e.getClass().getSimpleName();
                 final String ExceptionMess = e.getMessage();
@@ -339,14 +347,14 @@ public class DownloadFragment extends Fragment {
 
     private View.OnClickListener ListenerShare = v -> {
         LinearLayout layout = (LinearLayout) v.getParent();
-        final String name = (String) layout.getTag(R.id.ID_FILE_NAME);
-        final String type = (String) layout.getTag(R.id.ID_FILE_MIME);
-        final Uri uri = (Uri) layout.getTag(R.id.ID_FILE_URI);
+        final Integer id = (Integer) layout.getTag(R.id.ID_DOWNLOAD);
 
-        if(type.equals("text/plain")) {
+        TransferFile dl = TransferFile.getDownload(id);
+
+        if(dl.type.equals("text/plain")) {
             String text = null;
             try {
-                InputStream is = getActivity().getContentResolver().openInputStream(uri);
+                InputStream is = getActivity().getContentResolver().openInputStream(dl.uri);
                 BufferedReader buf = new BufferedReader(new InputStreamReader(is));
 
                 String line;
@@ -364,7 +372,7 @@ public class DownloadFragment extends Fragment {
 
             try {
                 Intent intent = new Intent(Intent.ACTION_SEND);
-                intent.setType(type);
+                intent.setType(dl.type);
                 intent.putExtra(Intent.EXTRA_TEXT, text);
                 startActivity(Intent.createChooser(intent, getString(R.string.share_title)));
             } catch (ActivityNotFoundException e) {
@@ -374,8 +382,8 @@ public class DownloadFragment extends Fragment {
         else {
             try {
                 Intent intent = new Intent(Intent.ACTION_SEND);
-                intent.putExtra(Intent.EXTRA_STREAM, uri);
-                intent.setType(type);
+                intent.putExtra(Intent.EXTRA_STREAM, dl.uri);
+                intent.setType(dl.mime);
                 intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
                 startActivity(Intent.createChooser(intent, getString(R.string.share_title)));
             } catch (ActivityNotFoundException e) {
@@ -388,13 +396,13 @@ public class DownloadFragment extends Fragment {
 
     private View.OnClickListener ListenerView = v -> {
         LinearLayout layout = (LinearLayout) v.getParent();
-        final String name = (String) layout.getTag(R.id.ID_FILE_NAME);
-        final String type = (String) layout.getTag(R.id.ID_FILE_MIME);
-        final Uri uri = (Uri) layout.getTag(R.id.ID_FILE_URI);
+        final Integer id = (Integer) layout.getTag(R.id.ID_DOWNLOAD);
+
+        TransferFile dl = TransferFile.getDownload(id);
 
         try {
             Intent intent = new Intent(Intent.ACTION_VIEW);
-            intent.setDataAndType(uri, type);
+            intent.setDataAndType(dl.uri, dl.mime);
             intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
             startActivity(intent);
         } catch (ActivityNotFoundException e) {
diff --git a/app/src/main/res/values/ids.xml b/app/src/main/res/values/ids.xml
index 77b29e4..b9329d0 100644
--- a/app/src/main/res/values/ids.xml
+++ b/app/src/main/res/values/ids.xml
@@ -1,10 +1,6 @@
 <?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_FILE_URI" type="id" />
-    <item name="ID_SAVE_LOCATION" type="id" />
     <item name="ID_FILE_BUTTONS" type="id" />
 </resources>
\ No newline at end of file