Merge pull request brunodev85#71 from longjunyu2/fix-screen-dimming-w…

…hen-using-gamepad

Fix screen dimming when using game controller

app/src/main/java/com/winlator/widget/TouchpadView.java

@@ -1,6 +1,9 @@
 package com.winlator.widget;
 
 import android.content.Context;
+import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
+import android.graphics.drawable.StateListDrawable;
 import android.view.InputDevice;
 import android.view.MotionEvent;
 import android.view.View;
@@ -40,8 +43,9 @@ public TouchpadView(Context context, XServer xServer) {
         super(context);
         this.xServer = xServer;
         setLayoutParams(new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
+        setBackground(createTransparentBg());
         setClickable(true);
-        setFocusable(false);
+        setFocusable(true);
         setFocusableInTouchMode(false);
         updateXform(AppUtils.getScreenWidth(), AppUtils.getScreenHeight(), xServer.screenInfo.width, xServer.screenInfo.height);
     }
@@ -353,4 +357,16 @@ public float[] computeDeltaPoint(float lastX, float lastY, float x, float y) {
         result[1] = y - lastY;
         return result;
     }
+
+    private StateListDrawable createTransparentBg() {
+        StateListDrawable stateListDrawable = new StateListDrawable();
+
+        ColorDrawable focusedDrawable = new ColorDrawable(Color.TRANSPARENT);
+        ColorDrawable defaultDrawable = new ColorDrawable(Color.TRANSPARENT);
+
+        stateListDrawable.addState(new int[]{android.R.attr.state_focused}, focusedDrawable);
+        stateListDrawable.addState(new int[]{}, defaultDrawable);
+
+        return stateListDrawable;
+    }
 }