0
我需要在列表視圖上右鍵滑動Longclick和Left &並獲取執行操作的列表項。 This方法似乎很有前途。 問題: 1.ACTION_MOVE在開始時只觸發一次,所以差異非常小。 2.如果我在開關中使用默認值,我獲得最後一個位置,但onClick或onLongClick永遠不會被觸發。這是我試過..是否有可能觸發假動作導致itemClick/itemlongclick執行。在列表項上實現輕掃和長按?
public boolean onTouch(View v, MotionEvent event)
{
switch (event.getAction())
{
case MotionEvent.ACTION_DOWN:
downX = event.getX();
downY = event.getY();
mSwipeDetected = Action.NONE;
Log.i("MyTags","Down Event");
Log.i("MyTags",String.valueOf(downX)+","+String.valueOf(downY));
return false; // allow other events like Click to be processed
case MotionEvent.ACTION_MOVE:
upX = event.getX();
upY = event.getY();
Log.i("MyTags","Move Event");
Log.i("MyTags",String.valueOf(upX)+","+String.valueOf(upY));
moveEnabled=true;
return false;
case MotionEvent.ACTION_UP:
upX = event.getX();
upY = event.getY();
Log.i("MyTags","UP Event");
Log.i("MyTags",String.valueOf(upX)+","+String.valueOf(upY));
return false;
default:
upX = event.getX();
upY = event.getY();
Log.i("MyTags","Default Event");
Log.i("MyTags",String.valueOf(upX)+","+String.valueOf(upY));
if(moveEnabled)
{
diffX=downX-upX;
diffY=downY-upY;
abs_X=Math.abs(diffX);
abs_Y=Math.abs(diffY);
moveEnabled=false;
if((abs_X>abs_Y)&(abs_X>MINIMUM_X))
{
if(diffX>0)
{
mSwipeDetected=Action.LEFT;
Log.i("MyTags","Left Swipe");
event.setAction(MotionEvent.ACTION_UP);
return false;
}
else if(diffX<0)
{
mSwipeDetected=Action.RIGHT;
Log.i("MyTags","Right Swipe");
event.setAction(MotionEvent.ACTION_UP);
return false;
}
}
}
return false;
}
}