- private static final int MAX_INTERVAL_FOR_CLICK = 250;
- private static final int MAX_DISTANCE_FOR_CLICK = 100;
- private static final int MAX_DOUBLE_CLICK_INTERVAL = 500;
- int mDownX = 0;
- int mDownY = 0;
- int mTempX = 0;
- int mTempY = 0;
- boolean mIsWaitUpEvent = false;
- boolean mIsWaitDoubleClick = false;
- Runnable mTimerForUpEvent = new Runnable() {
- public void run() {
- if (mIsWaitUpEvent) {
- Log.d(LOG_TAG,
- "The mTimerForUpEvent has executed, so set the mIsWaitUpEvent as false");
- mIsWaitUpEvent = false;
- } else {
- Log.d(LOG_TAG,
- "The mTimerForUpEvent has executed, mIsWaitUpEvent is false,so do nothing");
- }
- }
- };
- @Override
- public boolean onTouchEvent(MotionEvent event) {
- if (!mIsWaitUpEvent && event.getAction() != MotionEvent.ACTION_DOWN) {
- return super.onTouchEvent(event);
- }
- switch (event.getAction()) {
- case MotionEvent.ACTION_DOWN:
- mDownX = (int) event.getX();
- mDownY = (int) event.getY();
- mIsWaitUpEvent = true;
- postDelayed(mTimerForUpEvent, MAX_INTERVAL_FOR_CLICK);
- break;
- case MotionEvent.ACTION_MOVE:
- mTempX = (int) event.getX();
- mTempY = (int) event.getY();
- if (Math.abs(mTempX - mDownX) > MAX_DISTANCE_FOR_CLICK
- || Math.abs(mTempY - mDownY) > MAX_DISTANCE_FOR_CLICK) {
- mIsWaitUpEvent = false;
- removeCallbacks(mTimerForUpEvent);
- Log.d(LOG_TAG, "The move distance too far:cancel the click");
- }
- break;
- case MotionEvent.ACTION_UP:
- mTempX = (int) event.getX();
- mTempY = (int) event.getY();
- if (Math.abs(mTempX - mDownX) > MAX_DISTANCE_FOR_CLICK
- || Math.abs(mTempY - mDownY) > MAX_DISTANCE_FOR_CLICK) {
- mIsWaitUpEvent = false;
- removeCallbacks(mTimerForUpEvent);
- Log.d(LOG_TAG,
- "The touch down and up distance too far:cancel the click");
- break;
- } else {
- mIsWaitUpEvent = false;
- removeCallbacks(mTimerForUpEvent);
- onSingleClick();
- return super.onTouchEvent(event);
- }
- case MotionEvent.ACTION_CANCEL:
- mIsWaitUpEvent = false;
- removeCallbacks(mTimerForUpEvent);
- Log.d(LOG_TAG, "The touch cancel state:cancel the click");
- break;
- default:
- Log.d(LOG_TAG, "irrelevant MotionEvent state:" + event.getAction());
- }
- return super.onTouchEvent(event);
- }
- Runnable mTimerForSecondClick = new Runnable() {
- @Override
- public void run() {
- if (mIsWaitDoubleClick) {
- Log.d(LOG_TAG,
- "The mTimerForSecondClick has executed,so as a singleClick");
- mIsWaitDoubleClick = false;
- // at here can do something for singleClick!!
- } else {
- Log.d(LOG_TAG,
- "The mTimerForSecondClick has executed, the doubleclick has executed ,so do thing");
- }
- }
- };
- public void onSingleClick() {
- if (mIsWaitDoubleClick) {
- onDoubleClick();
- mIsWaitDoubleClick = false;
- removeCallbacks(mTimerForSecondClick);
- } else {
- mIsWaitDoubleClick = true;
- postDelayed(mTimerForSecondClick, MAX_DOUBLE_CLICK_INTERVAL);
- }
- }
- public void onDoubleClick() {
- Log.d(LOG_TAG,"we can do sth for double click here");
- }
android中根据touch事件判断单击及双击
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转载自blog.csdn.net/guankai1990/article/details/79407966
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