UIMenuController在Cell內部無法顯示的解決辦法。,組建7601解決辦法
Xcode7.2,iOS9.2環境下
嘗試在CollectionViewCell內部,添加LongPress手勢,顯示UIMenuController。
@implementation CollectionViewCell //繼承自UICollectionViewCell UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)]; longPress.minimumPressDuration = 1; [self addGestureRecognizer:longPress];//添加長按手勢//實現長按方法- (void)longPress:(UILongPressGestureRecognizer *)gesture{ switch (gesture.state) { case UIGestureRecognizerStateBegan: { //必須實現 [self becomeFirstResponder]; UIMenuController *menu = [UIMenuController sharedMenuController]; UIMenuItem *item1 = [[UIMenuItem alloc] initWithTitle:@"儲存" action:@selector(savePic)]; menu.menuItems = [NSArray arrayWithObject:item1]; [menu setTargetRect:self.scView.frame inView:self.scView.superview]; [menu setMenuVisible:YES animated:YES]; } break; default: break; }}
//必須實現的方法,注意不是 - (void)becomeFirstResponse方法。- (void)canBecomeFirstResponse{ return YES;}
實現以上代碼,就可以在長按cell時顯示出UIMenuController。但是有一個問題就是,當我滑動CollectionView時,menu並沒有第一時間隱藏。
所以,可以在你需要menu隱藏的方法內部。實現以下代碼。
UIMenuController *menu = [UIMenuController sharedMenuController];
[menu setMenuVisible:NO animated:NO];