/// 自定義的那個視頻類///@property (nonatomic,strong) VedioPlayer *vedioPlayer;

///視頻展示的view 的父視圖@property (nonatomic,strong) UIView *currentSuperView;

///取消全屏- (void)fullScreen:(UIBarButtonItem *)btnItem{ ///視頻展示的view 的父視圖 self.currentSuperView = self.superview; ///拿到window UIWindow *window = [UIApplication sharedApplication].keyWindow; ///全屏vc初始化 VedioPlayerViewController *vc = [VedioPlayerViewController new]; ///判斷是否由導航控制器控制 if ([window.rootViewController isKindOfClass:[UINavigationController class]]) {  ///拿到導航控制器控制  UINavigationController *nvc = (UINavigationController *)window.rootViewController;  ///把全屏視頻的vc推進去  [nvc pushViewController:vc animated:NO];  ///重新設置視頻大小  [self setFrame:CGRectMake(0, 0, vc.view.frame.size.width, vc.view.frame.size.height)];    //全屏后 按鈕綁定取消全屏方法  [self.fullScreenItem setAction:@selector(cancelFullScreen:)];     ///vc.conciseVedioPlayer = self;  ///添加視頻到全屏vc  [vc.view addSubview:self];  ///自動播放 [vc.conciseVedioPlayer startOrStop];   } }

- (void)cancelFullScreen:(UIBarButtonItem *)btnItem{  ///拿到window UIWindow *window = [UIApplication sharedApplication].keyWindow; ///判斷是否由導航控制器控制 if ([window.rootViewController isKindOfClass:[UINavigationController class]]) {  ///拿到導航控制器控制  UINavigationController *nvc = (UINavigationController *)window.rootViewController;  ///推出一個vc，自然就回到原來的視圖了  [nvc popViewControllerAnimated:NO];  ///把視頻添加到原本的視圖  [self.currentSuperView addSubview:self];  ///重新設置視頻大小  [self setFrame:self.currentFrame];    //取消全屏后 按鈕重新綁定全屏方法  [self.fullScreenItem setAction:@selector(fullScreen:)];   ///自動播放  [self startOrStop]; } }