本文整理汇总了Java中android.view.VelocityTracker.clear方法的典型用法代码示例。如果您正苦于以下问题：Java VelocityTracker.clear方法的具体用法？Java VelocityTracker.clear怎么用？Java VelocityTracker.clear使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.view.VelocityTracker的用法示例。
在下文中一共展示了VelocityTracker.clear方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: velocityTrackerPointerUpCleanUpIfNecessary
import android.view.VelocityTracker; //导入方法依赖的package包/类
public static void velocityTrackerPointerUpCleanUpIfNecessary(MotionEvent ev,
VelocityTracker tracker) {
// Check the dot product of current velocities.
// If the pointer that left was opposing another velocity vector, clear.
tracker.computeCurrentVelocity(1000, mMaximumFlingVelocity);
final int upIndex = ev.getActionIndex();
final int id1 = ev.getPointerId(upIndex);
final float x1 = tracker.getXVelocity(id1);
final float y1 = tracker.getYVelocity(id1);
for (int i = 0, count = ev.getPointerCount(); i < count; i++) {
if (i == upIndex)
continue;
final int id2 = ev.getPointerId(i);
final float x = x1 * tracker.getXVelocity(id2);
final float y = y1 * tracker.getYVelocity(id2);
final float dot = x + y;
if (dot < 0) {
tracker.clear();
break;
}
}
}