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我要處理的雙重滑動手勢我在別處聲明的方法:傳遞UIGestureRecognizer參數選擇器
-(void)handleDoubleSwipe:(UISwipeGestureRecognizer *)recognizer
{
NSLog(@"double swiped");
if(recognizer.direction==UISwipeGestureRecognizerDirectionLeft) {
NSLog(@"swiped left");
}
if(recognizer.direction==UISwipeGestureRecognizerDirectionRight) {
NSLog(@"swiped right");
}
}
,我在其他地方把它聲明爲:
UISwipeGestureRecognizer *doubleSwipe=[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleDoubleSwipe:)];
doubleSwipe.numberOfTouchesRequired=2;
doubleSwipe.delegate=self;
doubleSwipe.direction=UISwipeGestureRecognizerDirectionRight | UISwipeGestureRecognizerDirectionLeft;
的問題是,我無法爲選擇器提供任何參數。它只是不允許我和自動完成返回0完成。我如何將doubleSwipe手勢添加到選擇器的參數中?現在,handleDoubleSwipe方法確實被調用,NSLog顯示「雙擊」,但不顯示向左或向右滑動。
我認爲,最好的解決方案是創建一對手勢識別器來處理這個問題。 – D33pN16h7