Android: Add Reset Dolphin Settings functionality

4 files changed, 80 insertions, 4 deletions

diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java
index 69b9a94595..1423e2ccaa 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/NativeLibrary.java
+++ b/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();
 
   /**
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/UserDataActivity.kt b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/UserDataActivity.kt
index 39ba64b657..4639da2839 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/UserDataActivity.kt
+++ b/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 {
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsActivity.kt b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsActivity.kt
index e5db2f63d2..b4f8833f40 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/settings/ui/SettingsActivity.kt
+++ b/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.
diff --git a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/ThemeHelper.kt b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/ThemeHelper.kt
index 1f3f694202..810bcda8b0 100644
--- a/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/ThemeHelper.kt
+++ b/Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/utils/ThemeHelper.kt
@@ -142,10 +142,26 @@ object ThemeHelper {
     }
 
     @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()
         }
     }