Lines Matching refs:velocity

17   <li><a href="#velocity">Track Velocity</a></li>
81 <li>The velocity of the pointer as it moves across the touch screen.</li>
87 <h2 id="velocity">Track Velocity</h2>
89 …that is simply based on the distance and/or direction the pointer traveled. But velocity often is a
91 whether the gesture occurred. To make velocity calculation easier, Android
96 android.view.VelocityTracker} helps you track the velocity of touch events. This
97 is useful for gestures in which velocity is part of the criteria for the
117                     // Retrieve a new VelocityTracker object to watch the velocity of a motion.
121                     // Reset the velocity tracker back to its initial state.
129                 // When you want to determine the velocity, call 
131                 // and getYVelocity() to retrieve the velocity for each pointer ID. 
133                 // Log velocity of pixels per second
135                 Log.d("", "X velocity: " + 
138                 Log.d("", "Y velocity: " + 
153 <p class="note"><strong>Note:</strong> Note that you should calculate velocity after an