min="0"    //Minimum progree value
max="50"       //Maximum progress value
progress="15" //Current progress value
progressTextColor="@android:color/black"    //Color for the text in the center
progressTextSize="26"    //Size for the text in the center
showProgressText="true"    //Show/hide the text in the center
progressText="Custom text"    //Show custom text in the center
ringColor="@color/colorAccent"    //Color for the outer ring
ringWidth="0.5"    //Width of the outer ring, relative to the width of the whole view
showIndicator="true"    //Show/hide the arc drawn when the user touches the ring
showInnerCircle="true"    //Show/hide the circle in the center
speedMultiplier="2"    //Make the progress increase/decrease faster/slower

OnCircularSeekBarChangeListener    //Listener for events changing the progress
OnCenterClickedListener    //Listener for single tap events on the inner circle
RingPaint    //Paint used to draw the outer ring
InnerCirclePaint    //Paint used to draw the inner circle
ProgressTextPaint    //Paint used to draw the text in the center
ProgressTextFormat    //Format of the text in the center