استفاده از دایره پیشروی

The easiest way to make a progress circle is using through a class called ProgressDialog. The loading bar can also be made through that class. The only logical difference between bar and circle is , that the former is used when you know the total time for waiting for a particular task whereas the later is used when you don't know the waiting time. In order to this , you need to instantiate an object of this class. class ,used when منبع