lets block Back button to avoid some glitches

app/src/main/AndroidManifest.xml

@@ -39,8 +39,12 @@
 
         <activity
             android:name=".activities.MainActivity"
+            android:clearTaskOnLaunch="true"
             android:configChanges="orientation|keyboardHidden|screenSize"
+            android:excludeFromRecents="true"
             android:exported="true"
+            android:launchMode="singleTop"
+            android:noHistory="true"
             android:screenOrientation="portrait"
             android:theme="@style/LauncherTheme">
 

app/src/main/kotlin/com/simplemobiletools/launcher/activities/MainActivity.kt

@@ -182,7 +182,8 @@ class MainActivity : SimpleActivity(), FlingListener {
         } else if (home_screen_grid.resize_frame.isVisible) {
             home_screen_grid.hideResizeLines()
         } else {
-            super.onBackPressed()
+            // this is a home launcher app, avoid glitching by pressing Back
+            //super.onBackPressed()
         }
     }