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If you want to remove status bar and make full screen view add the red code in onCreate:
<pre style="background-color: #f0f0f0; background-position: initial initial; background-repeat: initial initial; border: 1px dashed rgb(204, 204, 204); font-family: arial; font-size: 12px; height: auto; line-height: 20px; overflow: auto; padding: 0px; text-align: left; width: 99%;"> public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
requestWindowFeature(Window.FEATURE_NO_TITLE);
</pre>
setContentView(R.layout.main);
}