public class Custom_Dialog_ProgressBar extends Dialog { public Activity activity; public Custom_Dialog_ProgressBar(Activity activity) { super(activity, R.style.full_screen_dialog); // TODO Auto-generated constructor stub this.activity = activity; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.custom_progress_bar); getWindow().setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT); // AVLoadingIndicatorView avLoadingIndicatorView = (AVLoadingIndicatorView)findViewById(R.id.loder); } }