public void onDragExit(DragObject d) {
// 只有是一个真正的drag拖出才关闭文件夹，比如说，在文件夹上放下dragview不是退出drag
if (!d.dragComplete) {
mOnExitAlarm.setOnAlarmListener(mOnExitAlarmListener);
mOnExitAlarm.setAlarm(ON_EXIT_CLOSE_DELAY);
}
mReorderAlarm.cancelAlarm();
}
/*
* 拖动结束
*/
public void onDragOver(DragObject d) {
float[] r = getDragViewVisualCenter(d.x, d.y, d.xOffset, d.yOffset, d.dragView, null);
mTargetCell = mContent.findNearestArea((int) r[0], (int) r[1], 1, 1, mTargetCell);
if (mTargetCell[0] != mPreviousTargetCell[0] || mTargetCell[1] != mPreviousTargetCell[1]) {
mReorderAlarm.cancelAlarm();
mReorderAlarm.setOnAlarmListener(mReorderAlarmListener);
mReorderAlarm.setAlarm(150);
mPreviousTargetCell[0] = mTargetCell[0];
mPreviousTargetCell[1] = mTargetCell[1];
}
}