Optimize SettingsMainActivity.kt

app/src/main/AndroidManifest.xml

@@ -6,7 +6,7 @@
     <uses-permission android:name="android.permission.VIBRATE" />
 
     <application
-        android:allowBackup="true"
+        android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
@@ -45,10 +45,8 @@
             android:name="dev.patrickgold.florisboard.settings.LauncherAlias"
             android:icon="@mipmap/ic_launcher"
             android:label="@string/app_name"
-            android:launchMode="singleTask"
             android:roundIcon="@mipmap/ic_launcher_round"
-            android:targetActivity="dev.patrickgold.florisboard.settings.SettingsMainActivity"
-            android:theme="@style/SettingsTheme">
+            android:targetActivity="dev.patrickgold.florisboard.settings.SettingsMainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

app/src/main/java/dev/patrickgold/florisboard/settings/SettingsMainActivity.kt

@@ -54,16 +54,8 @@ class SettingsMainActivity : AppCompatActivity(),
 
         scrollView = findViewById(R.id.settings__scroll_view)
 
-        if (savedInstanceState != null) {
-            val selectedId = savedInstanceState.getInt(SELECTED_ITEM_ID)
-            navigationView.selectedItemId = selectedId
-        } else {
-            supportActionBar?.title = String.format(
-                resources.getString(R.string.settings__home__title),
-                resources.getString(R.string.app_name)
-            )
-            loadFragment(HomeFragment())
-        }
+        navigationView.selectedItemId =
+            savedInstanceState?.getInt(SELECTED_ITEM_ID) ?: R.id.settings__navigation__home
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
@@ -110,7 +102,6 @@ class SettingsMainActivity : AppCompatActivity(),
         transaction.replace(R.id.settings__frame_container, fragment, FRAGMENT_TAG)
         //transaction.addToBackStack(null)
         transaction.commit()
-        supportFragmentManager.executePendingTransactions()
     }
 
     override fun onCreateOptionsMenu(menu: Menu?): Boolean {