知道按钮保持的时间 [英] Know the time that a button is Holding
本文介绍了知道按钮保持的时间的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我希望当您在3秒钟内按住某个按钮时可以执行一些操作,我尝试使用上面的代码,但是仅当我在按住期间停止不按住时,它才会执行某些操作.我应该实现一个监听器或类似的东西吗?
I want that when you are holding a button during 3 secs do something, I try with the code above but it only do semething when I stop holding not during the hold. Should I implement a listener or something like this?
finishPushing = true;
.
.
.
button.setOnTouchListener(new OnTouchListener()
{
@Override
public boolean onTouch(View v, MotionEvent event) {
if(android.os.SystemClock.elapsedRealtime() - event.getDownTime() > 3000 && (event.getPointerCount() == 1) && finishPushing)
{
// Do something
finishPushing = false;
}
else{
finishPushing = true;
}
return false;
}
});
推荐答案
button.setOnTouchListener(new OnTouchListener()
{
private final Handler handler = new Handler();
private final Runnable runnable = new Runnable() {
public void run() {
if(mBooleanIsPressed)
{
// do whatever
}
}
};
@Override
public boolean onTouch(View v, MotionEvent event) {
if(event.getAction() == MotionEvent.ACTION_DOWN) {
// Execute your Runnable after 5000 milliseconds = 5 seconds.
//After this 5secs it will check if is pressed
handler.postDelayed(runnable, 5000);
mBooleanIsPressed = true;
}
if(event.getAction() == MotionEvent.ACTION_UP) {
if(mBooleanIsPressed) {
mBooleanIsPressed = false;
handler.removeCallbacks(runnable);
}
}
return false;
}
});
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