final ImageView clocks = (ImageView) findViewById(R.id.clocks); // some ImageView
final ClockDrawable clockDrawable = ClockDrawable.builder(this)
    .hours(4)                                                   // initial time hours
    .minutes(20)                                                // initial time minutes
    .withSpeed(-2.5F)                                           // set indeterminate animation minutes pointer speed (1F by default)
    .withColor(Color.WHITE)                                     // set icon color
    .withFrameWidth(Stroke.REGULAR)                             // set frame width
    .withPointerWidth(Stroke.THIN)                              // set pointer width
    .withDuration(600L)                                         // set animation duration in millis (600L by default)
    .withInterpolator(new DecelerateInterpolator())             // set animation interpolator (default is OverShootInterpolator)
    .withListener(new AnimatorListenerAdapter() {/*...*/})      // set animation listener
    .into(clocks);                                              // attach the Drawable you built to ImageView and returns Drawable
 // .build();                                                      or you can just use build() to simply get Drawable   

Clock.setHours(int hours)
Clock.setMinutes(int minutes)

Clock.animateToTime(int hours, int minutes)

Clock.animateIndeterminate()