Android: Check for granted permission when returning to MainActivity

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/DolphinApplication.java

@@ -25,7 +25,7 @@ public class DolphinApplication extends Application
     Java_GCAdapter.manager = (UsbManager) getSystemService(Context.USB_SERVICE);
     Java_WiimoteAdapter.manager = (UsbManager) getSystemService(Context.USB_SERVICE);
 
-    if (PermissionsHandler.hasWriteAccess(getApplicationContext()))
+    if (DirectoryInitialization.shouldStart(getApplicationContext()))
       DirectoryInitialization.start(getApplicationContext());
   }
 

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

@@ -80,7 +80,16 @@ public final class MainActivity extends AppCompatActivity implements MainView
   protected void onResume()
   {
     super.onResume();
+
+    if (DirectoryInitialization.shouldStart(this))
+    {
+      DirectoryInitialization.start(this);
+      new AfterDirectoryInitializationRunner()
+              .run(this, false, this::setPlatformTabsAndStartGameFileCacheService);
+    }
+
     mPresenter.addDirIfNeeded(this);
+
     if (sShouldRescanLibrary)
     {
       GameFileCacheService.startRescan(this);

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

@@ -63,7 +63,15 @@ public final class TvMainActivity extends FragmentActivity implements MainView
   protected void onResume()
   {
     super.onResume();
+
+    if (DirectoryInitialization.shouldStart(this))
+    {
+      DirectoryInitialization.start(this);
+      GameFileCacheService.startLoad(this);
+    }
+
     mPresenter.addDirIfNeeded(this);
+
     if (sShouldRescanLibrary)
     {
       GameFileCacheService.startRescan(this);

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

@@ -53,6 +53,9 @@ public final class DirectoryInitialization
 
   public static void start(Context context)
   {
+    if (!isDolphinDirectoryInitializationRunning.compareAndSet(false, true))
+      return;
+
     // Can take a few seconds to run, so don't block UI thread.
     //noinspection TrivialFunctionalExpressionUsage
     ((Runnable) () -> init(context)).run();
@@ -60,9 +63,6 @@ public final class DirectoryInitialization
 
   private static void init(Context context)
   {
-    if (!isDolphinDirectoryInitializationRunning.compareAndSet(false, true))
-      return;
-
     if (directoryState != DirectoryInitializationState.DOLPHIN_DIRECTORIES_INITIALIZED)
     {
       if (PermissionsHandler.hasWriteAccess(context))
@@ -196,6 +196,12 @@ public final class DirectoryInitialization
     }
   }
 
+  public static boolean shouldStart(Context context)
+  {
+    return !isDolphinDirectoryInitializationRunning.get() &&
+            getDolphinDirectoriesState(context) == DirectoryInitializationState.NOT_YET_INITIALIZED;
+  }
+
   public static boolean areDolphinDirectoriesReady()
   {
     return directoryState == DirectoryInitializationState.DOLPHIN_DIRECTORIES_INITIALIZED;