Android: Use storage access framework for picking single games

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/EmulationActivity.java

@@ -45,6 +45,7 @@ import org.dolphinemu.dolphinemu.fragments.SaveLoadStateFragment;
 import org.dolphinemu.dolphinemu.overlay.InputOverlay;
 import org.dolphinemu.dolphinemu.overlay.InputOverlayPointer;
 import org.dolphinemu.dolphinemu.ui.main.MainActivity;
+import org.dolphinemu.dolphinemu.ui.main.MainPresenter;
 import org.dolphinemu.dolphinemu.ui.main.TvMainActivity;
 import org.dolphinemu.dolphinemu.utils.AfterDirectoryInitializationRunner;
 import org.dolphinemu.dolphinemu.utils.ControllerMappingHelper;
@@ -165,6 +166,11 @@ public final class EmulationActivity extends AppCompatActivity
             EmulationActivity.MENU_ACTION_MOTION_CONTROLS);
   }
 
+  public static void launch(FragmentActivity activity, String filePath)
+  {
+    launch(activity, new String[]{filePath});
+  }
+
   public static void launch(FragmentActivity activity, String[] filePaths)
   {
     if (sIgnoreLaunchRequests)
@@ -411,11 +417,7 @@ public final class EmulationActivity extends AppCompatActivity
       // If the user picked a file, as opposed to just backing out.
       if (resultCode == MainActivity.RESULT_OK)
       {
-        String newDiscPath = FileBrowserHelper.getSelectedPath(result);
+        NativeLibrary.ChangeDisc(result.getData().toString());
-        if (!TextUtils.isEmpty(newDiscPath))
-        {
-          NativeLibrary.ChangeDisc(newDiscPath);
-        }
       }
     }
   }
@@ -640,8 +642,10 @@ public final class EmulationActivity extends AppCompatActivity
         break;
 
       case MENU_ACTION_CHANGE_DISC:
-        FileBrowserHelper.openFilePicker(this, REQUEST_CHANGE_DISC, false,
+        Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
-                FileBrowserHelper.GAME_EXTENSIONS);
+        intent.addCategory(Intent.CATEGORY_OPENABLE);
+        intent.setType("*/*");
+        startActivityForResult(intent, REQUEST_CHANGE_DISC);
         break;
 
       case MENU_SET_IR_SENSITIVITY:

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsActivity.java

@@ -24,6 +24,8 @@ import org.dolphinemu.dolphinemu.ui.main.TvMainActivity;
 import org.dolphinemu.dolphinemu.utils.FileBrowserHelper;
 import org.dolphinemu.dolphinemu.utils.TvUtil;
 
+import java.util.Set;
+
 public final class SettingsActivity extends AppCompatActivity implements SettingsActivityView
 {
   private static final String ARG_MENU_TAG = "menu_tag";
@@ -172,13 +174,19 @@ public final class SettingsActivity extends AppCompatActivity implements Setting
     // If the user picked a file, as opposed to just backing out.
     if (resultCode == MainActivity.RESULT_OK)
     {
-      if (requestCode == MainPresenter.REQUEST_SD_FILE)
+      if (requestCode != MainPresenter.REQUEST_DIRECTORY)
       {
         Uri uri = canonicalizeIfPossible(result.getData());
-        int takeFlags = result.getFlags() &
-                (Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
 
-        FileBrowserHelper.runAfterExtensionCheck(this, uri, FileBrowserHelper.RAW_EXTENSION, () ->
+        Set<String> validExtensions = requestCode == MainPresenter.REQUEST_GAME_FILE ?
+                FileBrowserHelper.GAME_EXTENSIONS : FileBrowserHelper.RAW_EXTENSION;
+
+        int flags = Intent.FLAG_GRANT_READ_URI_PERMISSION;
+        if (requestCode != MainPresenter.REQUEST_GAME_FILE)
+          flags |= Intent.FLAG_GRANT_WRITE_URI_PERMISSION;
+        int takeFlags = flags & result.getFlags();
+
+        FileBrowserHelper.runAfterExtensionCheck(this, uri, validExtensions, () ->
         {
           getContentResolver().takePersistableUriPermission(uri, takeFlags);
           getFragment().getAdapter().onFilePickerConfirmation(uri.toString());

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsAdapter.java

@@ -306,28 +306,17 @@ public final class SettingsAdapter extends RecyclerView.Adapter<SettingViewHolde
     mClickedPosition = position;
     FilePicker filePicker = (FilePicker) item;
 
-    switch (filePicker.getRequestType())
+    Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
+    intent.addCategory(Intent.CATEGORY_OPENABLE);
+    intent.setType("*/*");
+
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
     {
-      case MainPresenter.REQUEST_SD_FILE:
+      intent.putExtra(DocumentsContract.EXTRA_INITIAL_URI,
-        Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
+              filePicker.getSelectedValue(mView.getSettings()));
-        intent.addCategory(Intent.CATEGORY_OPENABLE);
-        intent.setType("*/*");
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
-        {
-          intent.putExtra(DocumentsContract.EXTRA_INITIAL_URI,
-                  filePicker.getSelectedValue(mView.getSettings()));
-        }
-
-        mView.getActivity().startActivityForResult(intent, filePicker.getRequestType());
-        break;
-      case MainPresenter.REQUEST_GAME_FILE:
-        FileBrowserHelper.openFilePicker(mView.getActivity(), filePicker.getRequestType(), false,
-                FileBrowserHelper.GAME_EXTENSIONS);
-        break;
-      default:
-        throw new InvalidParameterException("Unhandled request code");
     }
+
+    mView.getActivity().startActivityForResult(intent, filePicker.getRequestType());
   }
 
   public void onFilePickerConfirmation(String selectedFile)

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/MainActivity.java

@@ -2,6 +2,7 @@ package org.dolphinemu.dolphinemu.ui.main;
 
 import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.net.Uri;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -168,8 +169,10 @@ public final class MainActivity extends AppCompatActivity implements MainView
   @Override
   public void launchOpenFileActivity()
   {
-    FileBrowserHelper.openFilePicker(this, MainPresenter.REQUEST_GAME_FILE, false,
+    Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
-            FileBrowserHelper.GAME_EXTENSIONS);
+    intent.addCategory(Intent.CATEGORY_OPENABLE);
+    intent.setType("*/*");
+    startActivityForResult(intent, MainPresenter.REQUEST_GAME_FILE);
   }
 
   @Override
@@ -194,6 +197,7 @@ public final class MainActivity extends AppCompatActivity implements MainView
     // If the user picked a file, as opposed to just backing out.
     if (resultCode == MainActivity.RESULT_OK)
     {
+      Uri uri = result.getData();
       switch (requestCode)
       {
         case MainPresenter.REQUEST_DIRECTORY:
@@ -201,12 +205,12 @@ public final class MainActivity extends AppCompatActivity implements MainView
           break;
 
         case MainPresenter.REQUEST_GAME_FILE:
-          EmulationActivity.launch(this, FileBrowserHelper.getSelectedFiles(result));
+          FileBrowserHelper.runAfterExtensionCheck(this, uri, FileBrowserHelper.GAME_EXTENSIONS,
+                  () -> EmulationActivity.launch(this, result.getData().toString()));
           break;
 
         case MainPresenter.REQUEST_WAD_FILE:
-          FileBrowserHelper.runAfterExtensionCheck(this, result.getData(),
+          FileBrowserHelper.runAfterExtensionCheck(this, uri, FileBrowserHelper.WAD_EXTENSION,
-                  FileBrowserHelper.WAD_EXTENSION,
                   () -> mPresenter.installWAD(result.getData().toString()));
           break;
       }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/ui/main/TvMainActivity.java

@@ -2,6 +2,7 @@ package org.dolphinemu.dolphinemu.ui.main;
 
 import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.net.Uri;
 import android.os.Bundle;
 import android.widget.Toast;
 
@@ -173,8 +174,10 @@ public final class TvMainActivity extends FragmentActivity implements MainView
   @Override
   public void launchOpenFileActivity()
   {
-    FileBrowserHelper.openFilePicker(this, MainPresenter.REQUEST_GAME_FILE, false,
+    Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
-            FileBrowserHelper.GAME_EXTENSIONS);
+    intent.addCategory(Intent.CATEGORY_OPENABLE);
+    intent.setType("*/*");
+    startActivityForResult(intent, MainPresenter.REQUEST_GAME_FILE);
   }
 
   @Override
@@ -218,6 +221,7 @@ public final class TvMainActivity extends FragmentActivity implements MainView
     // If the user picked a file, as opposed to just backing out.
     if (resultCode == MainActivity.RESULT_OK)
     {
+      Uri uri = result.getData();
       switch (requestCode)
       {
         case MainPresenter.REQUEST_DIRECTORY:
@@ -225,12 +229,12 @@ public final class TvMainActivity extends FragmentActivity implements MainView
           break;
 
         case MainPresenter.REQUEST_GAME_FILE:
-          EmulationActivity.launch(this, FileBrowserHelper.getSelectedFiles(result));
+          FileBrowserHelper.runAfterExtensionCheck(this, uri, FileBrowserHelper.GAME_EXTENSIONS,
+                  () -> EmulationActivity.launch(this, result.getData().toString()));
           break;
 
         case MainPresenter.REQUEST_WAD_FILE:
-          FileBrowserHelper.runAfterExtensionCheck(this, result.getData(),
+          FileBrowserHelper.runAfterExtensionCheck(this, uri, FileBrowserHelper.WAD_EXTENSION,
-                  FileBrowserHelper.WAD_EXTENSION,
                   () -> mPresenter.installWAD(result.getData().toString()));
           break;
       }

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/FileBrowserHelper.java

@@ -50,21 +50,6 @@ public final class FileBrowserHelper
     activity.startActivityForResult(i, MainPresenter.REQUEST_DIRECTORY);
   }
 
-  public static void openFilePicker(FragmentActivity activity, int requestCode, boolean allowMulti,
-          HashSet<String> extensions)
-  {
-    Intent i = new Intent(activity, CustomFilePickerActivity.class);
-
-    i.putExtra(FilePickerActivity.EXTRA_ALLOW_MULTIPLE, allowMulti);
-    i.putExtra(FilePickerActivity.EXTRA_ALLOW_CREATE_DIR, false);
-    i.putExtra(FilePickerActivity.EXTRA_MODE, FilePickerActivity.MODE_FILE);
-    i.putExtra(FilePickerActivity.EXTRA_START_PATH,
-            Environment.getExternalStorageDirectory().getPath());
-    i.putExtra(CustomFilePickerActivity.EXTRA_EXTENSIONS, extensions);
-
-    activity.startActivityForResult(i, requestCode);
-  }
-
   @Nullable
   public static String getSelectedPath(Intent result)
   {
@@ -79,22 +64,6 @@ public final class FileBrowserHelper
     return null;
   }
 
-  @Nullable
-  public static String[] getSelectedFiles(Intent result)
-  {
-    // Use the provided utility method to parse the result
-    List<Uri> files = Utils.getSelectedFilesFromResult(result);
-    if (!files.isEmpty())
-    {
-      String[] paths = new String[files.size()];
-      for (int i = 0; i < files.size(); i++)
-        paths[i] = Utils.getFileForUri(files.get(i)).getAbsolutePath();
-      return paths;
-    }
-
-    return null;
-  }
-
   public static boolean isPathEmptyOrValid(StringSetting path)
   {
     return isPathEmptyOrValid(path.getStringGlobal());