To use this control with interface builder you just need to drop RGCircularSlider in for the class of the view in the storyboard of .xib file. You can also use initWithFrame: . To get the value of degree and the state of the button(play or pause) you need to implement the RGCircularSliderDelegate Protocol .
(void)currentDegree:(NSInteger)degree; (void)onPlay:(BOOL)state; 0 ≤ degree ≤ 360 and state is YES when you see the "play button" and NO when you see the "pause button".
Note: to make this control look good the width and heigh of the view should be equal since we want a circle.
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