Android: Add Reset Dolphin Settings functionality

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

@@ -308,6 +308,8 @@ public final class NativeLibrary
 
   public static native void ReloadConfig();
 
+  public static native void ResetDolphinSettings();
+
   public static native void UpdateGCAdapterScanThread();
 
   /**

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/UserDataActivity.kt

@@ -15,6 +15,8 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.lifecycle.ViewModelProvider
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.dolphinemu.dolphinemu.NativeLibrary
 import org.dolphinemu.dolphinemu.R
 import org.dolphinemu.dolphinemu.databinding.ActivityUserDataBinding
 import org.dolphinemu.dolphinemu.dialogs.NotificationDialog
@@ -22,8 +24,11 @@ import org.dolphinemu.dolphinemu.dialogs.TaskDialog
 import org.dolphinemu.dolphinemu.dialogs.UserDataImportWarningDialog
 import org.dolphinemu.dolphinemu.features.DocumentProvider
 import org.dolphinemu.dolphinemu.model.TaskViewModel
+import org.dolphinemu.dolphinemu.ui.main.ThemeProvider
 import org.dolphinemu.dolphinemu.utils.*
+import org.dolphinemu.dolphinemu.utils.ThemeHelper
 import org.dolphinemu.dolphinemu.utils.ThemeHelper.enableScrollTint
+import org.dolphinemu.dolphinemu.utils.ThemeHelper.setCorrectTheme
 import java.io.File
 import java.io.FileInputStream
 import java.io.FileOutputStream
@@ -33,11 +38,13 @@ import java.util.zip.ZipInputStream
 import java.util.zip.ZipOutputStream
 import kotlin.system.exitProcess
 
-class UserDataActivity : AppCompatActivity() {
+class UserDataActivity : AppCompatActivity(), ThemeProvider {
     private lateinit var taskViewModel: TaskViewModel
 
     private lateinit var mBinding: ActivityUserDataBinding
 
+    override var themeId: Int = 0
+
     override fun onCreate(savedInstanceState: Bundle?) {
         taskViewModel = ViewModelProvider(this)[TaskViewModel::class.java]
 
@@ -73,11 +80,17 @@ class UserDataActivity : AppCompatActivity() {
 
         mBinding.buttonExportUserData.setOnClickListener { exportUserData() }
 
+        mBinding.buttonResetSettings.setOnClickListener { confirmResetSettings() }
+
         setSupportActionBar(mBinding.toolbarUserData)
         supportActionBar!!.setDisplayHomeAsUpEnabled(true)
 
         setInsets()
         enableScrollTint(this, mBinding.toolbarUserData, mBinding.appbarUserData)
+
+        if (savedInstanceState == null) {
+            Analytics.checkAnalyticsInit(this)
+        }
     }
 
     override fun onSupportNavigateUp(): Boolean {
@@ -85,6 +98,16 @@ class UserDataActivity : AppCompatActivity() {
         return true
     }
 
+    override fun onResume() {
+        setCorrectTheme(this)
+        super.onResume()
+    }
+
+    override fun setTheme(themeId: Int) {
+        super.setTheme(themeId)
+        this.themeId = themeId
+    }
+
     public override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
 
@@ -113,6 +136,28 @@ class UserDataActivity : AppCompatActivity() {
         }
     }
 
+    private fun confirmResetSettings() {
+        MaterialAlertDialogBuilder(this)
+            .setTitle(R.string.reset_dolphin_settings)
+            .setMessage(R.string.reset_dolphin_settings_confirmation)
+            .setPositiveButton(R.string.yes) { _, _ -> resetSettings() }
+            .setNegativeButton(R.string.no, null)
+            .show()
+    }
+
+    private fun resetSettings() {
+        NativeLibrary.ResetDolphinSettings()
+        ThemeHelper.resetThemePreferences(this, false)
+
+        val restartIntent = Intent(this, UserDataActivity::class.java)
+        restartIntent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION)
+
+        finish()
+        overridePendingTransition(0, 0)
+        startActivity(restartIntent)
+        overridePendingTransition(0, 0)
+    }
+
     private fun openFileManager() {
         // First, try to open the user data folder directly
         try {

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

@@ -32,18 +32,21 @@ import org.dolphinemu.dolphinemu.features.input.model.ControllerInterface
 import org.dolphinemu.dolphinemu.features.settings.model.Settings
 import org.dolphinemu.dolphinemu.features.settings.ui.SettingsFragment.Companion.newInstance
 import org.dolphinemu.dolphinemu.ui.main.MainPresenter
+import org.dolphinemu.dolphinemu.ui.main.ThemeProvider
 import org.dolphinemu.dolphinemu.utils.FileBrowserHelper
 import org.dolphinemu.dolphinemu.utils.InsetsHelper
 import org.dolphinemu.dolphinemu.utils.SerializableHelper.serializable
 import org.dolphinemu.dolphinemu.utils.ThemeHelper.enableScrollTint
+import org.dolphinemu.dolphinemu.utils.ThemeHelper.setCorrectTheme
 import org.dolphinemu.dolphinemu.utils.ThemeHelper.setTheme
 
-class SettingsActivity : AppCompatActivity(), SettingsActivityView {
+class SettingsActivity : AppCompatActivity(), SettingsActivityView, ThemeProvider {
     private var presenter: SettingsActivityPresenter? = null
     private var dialog: AlertDialog? = null
     private var toolbarLayout: CollapsingToolbarLayout? = null
     private var binding: ActivitySettingsBinding? = null
 
+    override var themeId: Int = 0
     override var isMappingAllDevices = false
 
     override val settings: Settings
@@ -107,6 +110,16 @@ class SettingsActivity : AppCompatActivity(), SettingsActivityView {
         presenter!!.onStart()
     }
 
+    override fun onResume() {
+        setCorrectTheme(this)
+        super.onResume()
+    }
+
+    override fun setTheme(themeId: Int) {
+        super.setTheme(themeId)
+        this.themeId = themeId
+    }
+
     /**
      * If this is called, the user has left the settings screen (potentially through the
      * home button) and will expect their changes to be persisted.

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/ThemeHelper.kt

@@ -141,11 +141,27 @@ object ThemeHelper {
         activity.recreate()
     }
 
+    @JvmStatic
+    fun resetThemePreferences(activity: AppCompatActivity, applyImmediately: Boolean = false) {
+        PreferenceManager.getDefaultSharedPreferences(activity.applicationContext)
+            .edit()
+            .remove(CURRENT_THEME)
+            .remove(CURRENT_THEME_MODE)
+            .remove(USE_BLACK_BACKGROUNDS)
+            .apply()
+        activity.delegate.localNightMode = AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
+        activity.delegate.applyDayNight()
+        if (applyImmediately) {
+            activity.recreate()
+        }
+    }
+
     @JvmStatic
     fun setCorrectTheme(activity: AppCompatActivity) {
-        val currentTheme = (activity as ThemeProvider).themeId
+        val provider = activity as? ThemeProvider ?: return
+        val currentTheme = provider.themeId
         setTheme(activity)
-        if (currentTheme != (activity as ThemeProvider).themeId) {
+        if (currentTheme != provider.themeId) {
             activity.recreate()
         }
     }

Source/Android/app/src/main/res/layout-land/activity_user_data.xml

@@ -107,7 +107,7 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 app:barrierDirection="start"
-                app:constraint_referenced_ids="button_open_system_file_manager,button_import_user_data,button_export_user_data" />
+                app:constraint_referenced_ids="button_open_system_file_manager,button_import_user_data,button_export_user_data,button_reset_settings" />
 
             <Button
                 android:id="@+id/button_open_system_file_manager"
@@ -141,6 +141,17 @@
                 app:layout_constraintStart_toEndOf="@id/barrier_text"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/button_import_user_data"
+                app:layout_constraintBottom_toTopOf="@id/button_reset_settings" />
+
+            <Button
+                android:id="@+id/button_reset_settings"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_margin="@dimen/spacing_small"
+                android:text="@string/reset_all_settings"
+                app:layout_constraintStart_toEndOf="@id/barrier_text"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/button_export_user_data"
                 app:layout_constraintBottom_toBottomOf="parent" />
 
         </androidx.constraintlayout.widget.ConstraintLayout>

Source/Android/app/src/main/res/layout/activity_user_data.xml

@@ -118,6 +118,17 @@
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
                 app:layout_constraintTop_toBottomOf="@id/button_import_user_data"
+                app:layout_constraintBottom_toTopOf="@id/button_reset_settings" />
+
+            <Button
+                android:id="@+id/button_reset_settings"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="4dp"
+                android:text="@string/reset_all_settings"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/button_export_user_data"
                 app:layout_constraintBottom_toBottomOf="parent" />
 
         </androidx.constraintlayout.widget.ConstraintLayout>

Source/Android/app/src/main/res/values/strings.xml

@@ -456,6 +456,9 @@
     <string name="user_data_import_failure">Failed to import user data.</string>
     <string name="user_data_export_success">Your user data has been exported.</string>
     <string name="user_data_export_failure">Failed to export user data.</string>
+    <string name="reset_dolphin_settings">Reset Dolphin Settings</string>
+    <string name="reset_all_settings">Reset All Settings</string>
+    <string name="reset_dolphin_settings_confirmation">Are you sure you want to restore all Dolphin settings to their default values? This action cannot be undone!\nAll customizations or changes you have made will be lost.\n\nDo you want to proceed?</string>
 
     <!-- Miscellaneous -->
     <string name="yes">Yes</string>

Source/Android/jni/MainAndroid.cpp

@@ -545,6 +545,14 @@ JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_ReloadConfig
   SConfig::GetInstance().LoadSettings();
 }
 
+JNIEXPORT void JNICALL Java_org_dolphinemu_dolphinemu_NativeLibrary_ResetDolphinSettings(JNIEnv*,
+                                                                                         jclass)
+{
+  HostThreadLock guard;
+  SConfig::ResetAllSettings();
+  UICommon::SetUserDirectory(File::GetUserPath(D_USER_IDX));
+}
+
 JNIEXPORT void JNICALL
 Java_org_dolphinemu_dolphinemu_NativeLibrary_UpdateGCAdapterScanThread(JNIEnv*, jclass)
 {