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大致我現在使用的。但是,在不同設備上使用時,限制可能太小。我怎樣才能將這個設置爲基於屏幕大小以便通用?用UIPanGestureRecognizer轉換到屏幕邊緣。
-(void)move:(UIPanGestureRecognizer *)pan {
CGPoint translated =[panlocationInView:pan.view.superview];
if (translated.x >= 64 && translated.x <= 328) {
pan.view.center = CGPointMake(translated.x, pan.view.center.y);
[pan setTranslation:CGPointMake(0, 0) inView:pan.view.superview];
}
}