Android: Add a "user data" screen

To make it clearer for users where Dolphin is storing user data,
now that there's more than one possible place.

3 files changed, 58 insertions, 1 deletions

diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/UserDataActivity.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/UserDataActivity.java
new file mode 100644
index 0000000000..79fcc09123
--- /dev/null
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/UserDataActivity.java
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.activities;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Build;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.utils.DirectoryInitialization;
+
+public class UserDataActivity extends AppCompatActivity
+{
+  public static void launch(Context context)
+  {
+    Intent launcher = new Intent(context, UserDataActivity.class);
+    context.startActivity(launcher);
+  }
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState)
+  {
+    super.onCreate(savedInstanceState);
+
+    setContentView(R.layout.activity_user_data);
+
+    TextView textType = findViewById(R.id.text_type);
+    TextView textPath = findViewById(R.id.text_path);
+    TextView textAndroid11 = findViewById(R.id.text_android_11);
+
+    textType.setText(DirectoryInitialization.isUsingLegacyUserDirectory() ?
+            R.string.user_data_old_location : R.string.user_data_new_location);
+
+    textPath.setText(DirectoryInitialization.getUserDirectory());
+
+    boolean show_android_11_text = Build.VERSION.SDK_INT >= Build.VERSION_CODES.R &&
+            !DirectoryInitialization.isUsingLegacyUserDirectory();
+    textAndroid11.setVisibility(show_android_11_text ? View.VISIBLE : View.GONE);
+  }
+}
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentPresenter.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentPresenter.java
index d91faa775e..c718bab15e 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentPresenter.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsFragmentPresenter.java
@@ -10,6 +10,7 @@ import android.text.TextUtils;
 import org.dolphinemu.dolphinemu.DolphinApplication;
 import org.dolphinemu.dolphinemu.NativeLibrary;
 import org.dolphinemu.dolphinemu.R;
+import org.dolphinemu.dolphinemu.activities.UserDataActivity;
 import org.dolphinemu.dolphinemu.features.settings.model.AbstractIntSetting;
 import org.dolphinemu.dolphinemu.features.settings.model.AbstractStringSetting;
 import org.dolphinemu.dolphinemu.features.settings.model.AdHocBooleanSetting;
@@ -252,6 +253,8 @@ public final class SettingsFragmentPresenter
     sl.add(new SubmenuSetting(mContext, R.string.advanced_submenu, MenuTag.CONFIG_ADVANCED));
     sl.add(new SubmenuSetting(mContext, R.string.log_submenu, MenuTag.CONFIG_LOG));
     sl.add(new SubmenuSetting(mContext, R.string.debug_submenu, MenuTag.DEBUG));
+    sl.add(new RunRunnable(mContext, R.string.user_data_submenu, 0, 0, 0,
+            () -> UserDataActivity.launch(mContext)));
   }
 
   private void addGeneralSettings(ArrayList<SettingsItem> sl)
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/DirectoryInitialization.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/DirectoryInitialization.java
index c2f6d638df..48963052dc 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/DirectoryInitialization.java
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/DirectoryInitialization.java
@@ -43,6 +43,7 @@ public final class DirectoryInitialization
   private static volatile boolean areDirectoriesAvailable = false;
   private static String userPath;
   private static AtomicBoolean isDolphinDirectoryInitializationRunning = new AtomicBoolean(false);
+  private static boolean isUsingLegacyUserDirectory = false;
 
   public enum DirectoryInitializationState
   {
@@ -108,7 +109,10 @@ public final class DirectoryInitialization
     if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()))
       return false;
 
-    File path = preferLegacyUserDirectory(context) && PermissionsHandler.hasWriteAccess(context) ?
+    isUsingLegacyUserDirectory =
+            preferLegacyUserDirectory(context) && PermissionsHandler.hasWriteAccess(context);
+
+    File path = isUsingLegacyUserDirectory ?
             getLegacyUserDirectoryPath() : context.getExternalFilesDir(null);
 
     if (path == null)
@@ -388,6 +392,11 @@ public final class DirectoryInitialization
             isExternalFilesDirEmpty(context) && legacyUserDirectoryExists();
   }
 
+  public static boolean isUsingLegacyUserDirectory()
+  {
+    return isUsingLegacyUserDirectory;
+  }
+
   public static boolean isWaitingForWriteAccess(Context context)
   {
     // This first check is only for performance, not correctness