[英]Get X and Y coordinates of OnLongClickListener
我想获取我长按的位置的X和Y坐标并将按钮设置到该位置,但是我没有得到它,因为没有像onClick方法那样的MotionEvent。
private View.OnLongClickListener layoutOnTouchListener(){
return new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
RelativeLayout.LayoutParams positionRules = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
positionRules.leftMargin = (int) v.getX();
positionRules.topMargin = (int) v.getY();
mainButton.setLayoutParams(positionRules);
Log.d("X", String.valueOf(v.getX()));
return true;
}
};
}
那就是我尝试过的代码。
您可以尝试setonkeyListener并检查是否长按
@Override
public boolean onKey(View view, int i, KeyEvent keyEvent) {
if (null != keyEvent && keyEvent.getAction() == KeyEvent.ACTION_DOWN) {
if (System.currentTimeMillis() - mLastClickedTime > DEFAULT_PRESSED_DELAY) {
Log.d(TAG, "onKey: single presed");
onKeyPressed(view, keyEvent);
} else {
Log.d(TAG, "onKey: repeat pressed");
onKeyRepeatPressed(view);
}
mLastClickedTime=System.currentTimeMillis();
}
return false;
}
如果长按,则取x和y点
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