Partial Fix for Download with MediaStore

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

@@ -3,8 +3,10 @@ package com.localtransfer;
 import android.app.Activity;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.Environment;
+import android.provider.MediaStore;
 import android.util.Log;
 import android.view.MenuItem;
 
@@ -61,8 +63,16 @@ public class SettingsActivity extends AppCompatActivity {
                 case REQUEST_DIRECTORY_PICKER:
                     if (resultCode == Activity.RESULT_OK) {
                         String currentPath = data.getExtras().getString("data");
-                        if(currentPath.contains(Environment.getExternalStorageDirectory() + "/")) {
+
-                            String save_location = currentPath.replace(Environment.getExternalStorageDirectory() + "/", "");
+                        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 + "/", "");
                             Log.d("Path", save_location);
                             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
                             prefs.edit().putString("local_storage", save_location).apply();

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

@@ -26,6 +26,7 @@ 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;
@@ -288,7 +289,7 @@ public class Transfer {
         return fileList;
     }
 
-    public void downloadFile(final File file, String name, long fileSize, String href, Button button) throws IOException {
+    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;
@@ -344,7 +345,7 @@ public class Transfer {
 
         if (responseCode == HttpURLConnection.HTTP_OK) {
 
-            FileOutputStream fileOutput = new FileOutputStream(file);
+            OutputStream fileOutput = activity.getContentResolver().openOutputStream(uri);
             InputStream in = conn.getInputStream();
 
             while ((bufferLength = in.read(buffer)) > 0) {

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

@@ -2,16 +2,16 @@ package com.localtransfer.fragment;
 
 import android.animation.ObjectAnimator;
 import android.content.ActivityNotFoundException;
+import android.content.ContentValues;
 import android.content.Intent;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
-
-import androidx.core.content.FileProvider;
 import androidx.fragment.app.Fragment;
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
 import android.os.Environment;
+import android.provider.MediaStore;
 import android.view.ContextMenu;
 import android.view.Gravity;
 import android.view.LayoutInflater;
@@ -26,7 +26,6 @@ import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import com.google.android.material.snackbar.Snackbar;
-import com.localtransfer.BuildConfig;
 import com.localtransfer.Progress;
 import com.localtransfer.R;
 import com.localtransfer.Transfer;
@@ -37,7 +36,6 @@ import org.json.JSONObject;
 
 import java.io.BufferedReader;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -231,6 +229,17 @@ public class DownloadFragment extends Fragment {
                             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());
 
@@ -271,6 +280,7 @@ public class DownloadFragment extends Fragment {
                         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) {
@@ -300,15 +310,14 @@ public class DownloadFragment extends Fragment {
         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);
-        new File(save_location).mkdirs();
+        final Uri uri = (Uri) layout.getTag(R.id.ID_FILE_URI);
-        File file = new File(save_location, name);
 
         Transfer tr = new Transfer();
 
         new Thread(() -> {
             try {
-                tr.downloadFile(file, name, fileSize, href, button);
+                tr.downloadFile(uri, name, fileSize, href, button);
             } catch (IOException e) {
                 final String ExceptionName = e.getClass().getSimpleName();
                 final String ExceptionMess = e.getMessage();
@@ -325,15 +334,12 @@ public class DownloadFragment extends Fragment {
         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 String save_location = String.valueOf(layout.getTag(R.id.ID_SAVE_LOCATION));
-        File file = new File(save_location, name);
-        Uri uri = FileProvider.getUriForFile(getContext(), BuildConfig.APPLICATION_ID, file);
 
         if(type.equals("text/plain")) {
             String text = null;
             try {
-                InputStream is = new FileInputStream(file);
+                InputStream is = getActivity().getContentResolver().openInputStream(uri);
                 BufferedReader buf = new BufferedReader(new InputStreamReader(is));
 
                 String line;
@@ -377,10 +383,7 @@ public class DownloadFragment extends Fragment {
         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 String save_location = String.valueOf(layout.getTag(R.id.ID_SAVE_LOCATION));
-        File file = new File(save_location, name);
-        Uri uri = FileProvider.getUriForFile(getContext(), BuildConfig.APPLICATION_ID, file);
 
         try {
             Intent intent = new Intent(Intent.ACTION_VIEW);

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

@@ -4,6 +4,7 @@
     <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>