日常开发中点击控件经常被使用到,点击从时间上分为短按,长按,从次数上分为一次或多次,常见的短按和长按,Android SDK已经自带了,但是多次点击,比如连续点了两次的监听倒是不多见,我有幸在日常工作中接触到了这种奇葩需求,一个按钮点了两次才做操作,具体实现方式记录下:
public class DoubleClickListener implements View.OnTouchListener {
private static int timeout=400;//双击间四百毫秒延时
private int clickCount = 0;//记录连续点击次数
private Handler handler;
private MyClickCallBack myClickCallBack;
public interface MyClickCallBack{
void oneClick();//点击一次的回调
void doubleClick();//连续点击两次的回调
}
public DoubleClickListener(MyClickCallBack myClickCallBack) {
this.myClickCallBack = myClickCallBack;
handler = new Handler();
}
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
clickCount++;
handler.postDelayed(new Runnable() {
@Override
public void run() {
if (clickCount == 1) {
myClickCallBack.oneClick();
}else if(clickCount==2){
myClickCallBack.doubleClick();
}
handler.removeCallbacksAndMessages(null);
//清空handler延时,并防内存泄漏
clickCount = 0;//计数清零
}
},timeout);//延时timeout后执行run方法中的代码
}
return false;//让点击事件继续传播,方便再给View添加其他事件监听
}
}
调用方式也很简单:
textView.setOnTouchListener(new DoubleClickListener(new DoubleClickListener.MyClickCallBack() {
@Override
public void oneClick() {
}
@Override
public void doubleClick() {
}
}));
甚至以后要更多按监听也能比较好扩展实现!!