Android: Add helper class AfterDirectoryInitializationRunner

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

@@ -0,0 +1,50 @@
+package org.dolphinemu.dolphinemu.utils;
+
+import android.content.Context;
+import android.content.IntentFilter;
+import android.support.v4.content.LocalBroadcastManager;
+
+public class AfterDirectoryInitializationRunner
+{
+  private DirectoryStateReceiver directoryStateReceiver;
+
+  /**
+   * Executes a Runnable after directory initialization has finished.
+   *
+   * If this is called when directory initialization already is done,
+   * the Runnable will be executed immediately. If this is called before
+   * directory initialization is done, the Runnable will be executed
+   * after directory initialization finishes successfully, or never
+   * in case directory initialization doesn't finish successfully.
+   *
+   * Calling this function multiple times per object is not supported.
+   */
+  public void run(Context context, Runnable runnable)
+  {
+    if (!DirectoryInitialization.areDolphinDirectoriesReady())
+    {
+      // Wait for directories to get initialized
+      IntentFilter statusIntentFilter = new IntentFilter(
+              DirectoryInitialization.BROADCAST_ACTION);
+
+      directoryStateReceiver = new DirectoryStateReceiver(directoryInitializationState ->
+      {
+        if (directoryInitializationState ==
+                DirectoryInitialization.DirectoryInitializationState.DOLPHIN_DIRECTORIES_INITIALIZED)
+        {
+          LocalBroadcastManager.getInstance(context).unregisterReceiver(directoryStateReceiver);
+          directoryStateReceiver = null;
+          runnable.run();
+        }
+      });
+      // Registers the DirectoryStateReceiver and its intent filters
+      LocalBroadcastManager.getInstance(context).registerReceiver(
+              directoryStateReceiver,
+              statusIntentFilter);
+    }
+    else
+    {
+      runnable.run();
+    }
+  }
+}

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

@@ -18,8 +18,6 @@ import org.dolphinemu.dolphinemu.features.settings.utils.SettingsFile;
 
 public class Analytics
 {
-  private static DirectoryStateReceiver directoryStateReceiver;
-
   private static final String analyticsAsked =
           Settings.SECTION_ANALYTICS + "_" + SettingsFile.KEY_ANALYTICS_PERMISSION_ASKED;
   private static final String analyticsEnabled =
@@ -35,31 +33,8 @@ public class Analytics
     SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
     if (!preferences.getBoolean(analyticsAsked, false))
     {
-      if (!DirectoryInitialization.areDolphinDirectoriesReady())
+      new AfterDirectoryInitializationRunner().run(context,
-      {
+              () -> showMessage(context, preferences));
-        // Wait for directories to get initialized
-        IntentFilter statusIntentFilter = new IntentFilter(
-                DirectoryInitialization.BROADCAST_ACTION);
-
-        directoryStateReceiver = new DirectoryStateReceiver(directoryInitializationState ->
-        {
-          if (directoryInitializationState ==
-                  DirectoryInitialization.DirectoryInitializationState.DOLPHIN_DIRECTORIES_INITIALIZED)
-          {
-            LocalBroadcastManager.getInstance(context).unregisterReceiver(directoryStateReceiver);
-            directoryStateReceiver = null;
-            showMessage(context, preferences);
-          }
-        });
-        // Registers the DirectoryStateReceiver and its intent filters
-        LocalBroadcastManager.getInstance(context).registerReceiver(
-                directoryStateReceiver,
-                statusIntentFilter);
-      }
-      else
-      {
-        showMessage(context, preferences);
-      }
     }
   }