[android] activity progressbar ( shown on actionbar if it exists )

android, activity progressbar ( shown on actionbar if it exists )

@Override

protected void onCreate(Bundle savedInstanceState) {

    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);

    super.onCreate(savedInstanceState);

    setProgressBarIndeterminate(true);

    setProgressBarIndeterminateVisibility(true);

}

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