Utility to fix 'stuck pixels'/burn-in when Android is set to keep the screen on when debugging

BurnFixActivity.java

package com.fiskur.screenburnfix;

import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.graphics.Color;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.LinearLayout;

public class BurnFixActivity extends Activity {

	private LinearLayout mBurnFixlayout;
	private Handler mBurnFixHandler = new Handler();
	private static final int SHOWTIME = 750;
	private int mColorIndex = 0;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		this.requestWindowFeature(Window.FEATURE_NO_TITLE);
		this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
		this.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);

		setContentView(R.layout.activity_burn_fix);

		mBurnFixlayout = (LinearLayout) findViewById(R.id.burnfix_layout);
		mBurnFixHandler.postDelayed(burnFixRunnable, SHOWTIME);
	}

	private Runnable burnFixRunnable = new Runnable() {
		@Override
		public void run() {
			switch (mColorIndex) {
			case 0:
				// red
				mBurnFixlayout.setBackgroundColor(Color.parseColor("#ff0000"));
				break;
			case 1:
				// blue
				mBurnFixlayout.setBackgroundColor(Color.parseColor("#00ff00"));
				break;
			case 2:
				// green
				mBurnFixlayout.setBackgroundColor(Color.parseColor("#0000ff"));
				break;
			case 3:
				// white
				mBurnFixlayout.setBackgroundColor(Color.parseColor("#ffffff"));
				break;
			case 4:
				// red
				mBurnFixlayout.setBackgroundColor(Color.parseColor("#ff0000"));
				break;
			case 5:
				// blue
				mBurnFixlayout.setBackgroundColor(Color.parseColor("#00ff00"));
				break;
			case 6:
				// green
				mBurnFixlayout.setBackgroundColor(Color.parseColor("#0000ff"));
				break;
			case 7:
				// white
				mBurnFixlayout.setBackgroundColor(Color.parseColor("#ffffff"));
				break;
			case 8:
				// done
				finish();
				break;
			}
			mColorIndex++;
			mBurnFixHandler.postDelayed(this, SHOWTIME);
		}
	};
}