Changes

- [Custom controls] Bug fixes
- Update README.md

app/src/main/java/net/kdt/pojavlaunch/CustomCtrlMainActivity.java

@@ -100,14 +100,13 @@ public class CustomCtrlMainActivity extends BaseMainActivity {
             = mTouchListener;
         
         mControlLayout = findViewById(R.id.main_control_layout);
+        mControlLayout.setModifiable(false);
         try {
             mControlLayout.loadLayout(LauncherPreferences.PREF_DEFAULTCTRL_PATH);
         } catch (Throwable th) {
             Tools.showError(this, th);
         }
         
-        mControlLayout.setModifiable(false);
-        
         // toggleGui(null);
         mControlLayout.toggleControlVisible();
     }

app/src/main/java/net/kdt/pojavlaunch/customcontrols/ControlLayout.java

@@ -38,11 +38,8 @@ public class ControlLayout extends FrameLayout
 	}
 
 	public void loadLayout(CustomControls controlLayout) {
-        for (int i = 0; i < getChildCount(); i++) {
-            View v = getChildAt(i);
-            if (v instanceof ControlButton) {
-                removeControlButton((ControlButton) v);
-            }
+        if (mModifiable) {
+            removeAllViews();
         }
 
 		mLayout = controlLayout;