package android.view; public class VelocityTracker { public static VelocityTracker obtain() { return new VelocityTracker(); } public void addMovement(MotionEvent event) {} public void recycle() {} public void computeCurrentVelocity(int units, float maxVelocity) {} public void computeCurrentVelocity(int units) {} public float getXVelocity(int id) {return 0.f;} public float getYVelocity(int id) {return 0.f;} public void clear() {} }