Splsh screen using handler

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.peace);
    new Handler().postDelayed(new Runnable() {
        @Override        public void run() {
            Intent mainIntent= new Intent(MainActivity.this,peace.class);
            MainActivity.this.startActivity(mainIntent);
        }
    },1000);
}