NSIndexPath

最新推荐文章于 2019-06-13 14:52:00 发布
转载 最新推荐文章于 2019-06-13 14:52:00 发布 · 1.3k 阅读 · 0

NSIndexPath 是一个对象，它用来表示一个树形的记录地址。

比如下图：

  

//创建一个节点的indexpath
+(id) indexPathWithIndex :(NSUIInteger) index;
//indexs 是一个数组，用来初始化indexpath 对象， length 是深度，也即数组的长度
+(id) indexPathWithIndexs:(NSUIInteger*)indexs Length:(NSUIInteger)length;






【Object-C】NSIndexPath的使用
weixin_48618536的博客
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本博文主要是对NSIndexPath的使用的一个介绍，以及记录，方便后续使用时候可以直接加载。NSIndexPath 是 Objective-C 中用于表示表格视图和集合视图中的索引路径的类。section和row。在表格视图中，section 表示分区的索引，row 表示某个分区中的行索引。在集合视图中，section 表示分区的索引，而 item 表示某个分区中的元素索引。NSIndexPath 对象可以用于定位并访问表格视图或集合视图中的特定单元格。
12、UITableView 开发全攻略：从基础到高级定制
u6v7w8x的博客
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本文深入介绍了iOS开发中UITableView的全面使用技巧，从基础功能到高级定制，涵盖了增强用户交互、单元格视图定制、表格编辑、行的重新排序、分组表格的实现以及额外的个性化定制。同时提供了综合示例代码和性能优化建议，帮助开发者打造功能强大且高效的表格应用。
ios海哥开发笔记 （海哥原创，iOS 之iOS 之NSIndexPath ）
horisea的博客
02-23 917
是Foundation框架中的一个普通的类，它提供了到嵌套数列的树中特定节点的路径，事实上，它是一个整数阵列，表格视图使用这个去表现在特定章节中的特定行，UITableView用的所有索引路径正好有两个元素，第一个是章节，第二个是行。 NSIndexPath和TableViews @interfaceNSIndexPath (UITableView) { }
Illegal type 'NSIndexPath *' used in a boxed expression
05-25
这个错误通常发生在 Objective-C 中，意味着你试图将一个不支持的类型（NSIndexPath *）放入到一个 NSValue 或 NSNumber 对象中。这通常是因为你在使用旧版的语法来进行 boxed expression 转换。 在较新版本的 ...
- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator { [super viewWillTransitionToSize:size withTransitionCoordinator:coordinator]; // 保存当前播放状态和进度 NSIndexPath * indexPath = [self metalienKK_getCurrentIndexPath]; MetalienKKDynamicModel * currentModel = self.dataSource[indexPath.row]; CGFloat playTime = currentModel.currentPlaybackTime; BOOL wasPlaying = currentModel.isPlaying; BOOL willBeFullScreen = (size.width > size.height); currentModel.isFullScreen = willBeFullScreen; // 更新控件可见性 self.metalienKK_statusImageView.hidden = willBeFullScreen; self.backButton.hidden = willBeFullScreen; self.searchButton.hidden = willBeFullScreen; self.shareButton.hidden = willBeFullScreen; self.portraitButton.hidden = !willBeFullScreen; // 暂停当前播放但不重置 MetalienKKShortVideoItemCollectionViewCell * currentCell = [self.collectionView cellForItemAtIndexPath:indexPath]; [currentCell.metalienKK_playerView metalienKK_pauseShortVideoWithoutReset]; // 更新约束 [self metalienKK_updateContainerFrameForSize:size isFullScreen:willBeFullScreen atIndexPath:indexPath]; // 更新布局而不重载数据 [coordinator animateAlongsideTransition:^(id <UIViewControllerTransitionCoordinatorContext> context) { // 立即刷新布局避免闪烁 [UIView performWithoutAnimation:^{ [self.collectionView.collectionViewLayout invalidateLayout]; [self.collectionView layoutIfNeeded]; [self.collectionView scrollToItemAtIndexPath:indexPath atScrollPosition:UICollectionViewScrollPositionCenteredVertically animated:NO]; }]; // 更新旋转状态 [currentCell.metalienKK_playerView metalienKK_shortVideoPlayerViewRotate:willBeFullScreen]; } completion:^(id <UIViewControllerTransitionCoordinatorContext> context) { self.collectionView.scrollEnabled = !currentModel.isFullScreen; // 恢复播放状态 if (wasPlaying) { [currentCell.metalienKK_playerView metalienKK_startPlayShortVideo]; [currentCell.metalienKK_playerView metalienKK_seekToTime:playTime]; } else { [currentCell.metalienKK_playerView metalienKK_pauseShortVideo]; } // 执行等待中的动作 if (self.interfaceOrientationBlock) { self.interfaceOrientationBlock(); self.interfaceOrientationBlock = nil; } }]; } #import "MetalienKKShortVideoPlayerView.h" #define MetalienKK_kMiniPlayerViewHeight (265.0) #define MetalienKK_kBottomViewHeight (55.0 + MetalienKK_SafeAreaBottom) #define MetalienKK_kProgressViewSize CGSizeMake(MetalienKK_ScreenWidth - 15*2.0, 18.0) #define MetalienKK_kFullScreenDefaultSize CGSizeMake(110, 30) #define MetalienKK_FullScreenOpenButtonFont MetalienKK_RegularFont(12) @implementation MetalienKKShortVideoPlayerView /// 加载子视图 - (void)metalienKK_loadSubviews { // 新增视图 [self addSubview:self.metalienKK_playerView]; [self addSubview:self.metalienKK_maskView]; [self addSubview:self.metalienKK_bottomView]; [self addSubview:self.metalienKK_durationLabel]; [self addSubview:self.metalienKK_contentView]; [self addSubview:self.metalienKK_userView]; [self addSubview:self.metalienKK_progressView]; [self addSubview:self.metalienKK_popupView]; [self addSubview:self.metalienKK_loadingView]; [self addSubview:self.metalienKK_fullScreenButton]; [self addSubview:self.metalienKK_playImageView]; [self.metalienKK_playerView addSubview:self.metalienKK_videoEngine.playerView]; [self.metalienKK_bottomView addSubview:self.metalienKK_likeButton]; [self.metalienKK_bottomView addSubview:self.metalienKK_bottomLineView_1]; [self.metalienKK_bottomView addSubview:self.metalienKK_bottomLineView_2]; [self.metalienKK_bottomView addSubview:self.metalienKK_commentButton]; [self.metalienKK_bottomView addSubview:self.metalienKK_wowButton]; // 设置约束 [self.metalienKK_bottomView mas_makeConstraints:^(MASConstraintMaker *make) { make.left.bottom.right.equalTo(self); make.height.mas_offset(MetalienKK_kBottomViewHeight); }]; [self.metalienKK_likeButton mas_makeConstraints:^(MASConstraintMaker *make) { make.centerX.equalTo(self.metalienKK_bottomView); make.top.equalTo(self.metalienKK_bottomView); make.width.equalTo(self.metalienKK_bottomView.mas_width).multipliedBy(1/3.0); make.height.mas_offset(55.0); }]; [self.metalienKK_bottomLineView_1 mas_makeConstraints:^(MASConstraintMaker *make) { make.centerY.equalTo(self.metalienKK_likeButton); make.right.equalTo(self.metalienKK_likeButton.mas_left); make.size.mas_offset(CGSizeMake(1, 20)); }]; [self.metalienKK_bottomLineView_2 mas_makeConstraints:^(MASConstraintMaker *make) { make.centerY.equalTo(self.metalienKK_likeButton); make.left.equalTo(self.metalienKK_likeButton.mas_right); make.size.mas_equalTo(self.metalienKK_bottomLineView_1); }]; [self.metalienKK_commentButton mas_makeConstraints:^(MASConstraintMaker *make) { make.top.left.equalTo(self.metalienKK_bottomView); make.right.equalTo(self.metalienKK_bottomLineView_1.mas_left); make.height.mas_equalTo(self.metalienKK_likeButton); }]; [self.metalienKK_wowButton mas_makeConstraints:^(MASConstraintMaker *make) { make.top.right.equalTo(self.metalienKK_bottomView); make.left.equalTo(self.metalienKK_bottomLineView_2.mas_right); make.height.mas_equalTo(self.metalienKK_likeButton); }]; [self.metalienKK_playerView mas_makeConstraints:^(MASConstraintMaker *make) { make.top.left.right.equalTo(self); make.bottom.equalTo(self).offset(-MetalienKK_kBottomViewHeight); }]; [self.metalienKK_videoEngine.playerView mas_makeConstraints:^(MASConstraintMaker *make) { make.edges.equalTo(self.metalienKK_playerView); }]; [self.metalienKK_popupView mas_makeConstraints:^(MASConstraintMaker *make) { make.top.equalTo(self.mas_bottom); // 初始位置在底部之外 make.left.right.equalTo(self); make.height.mas_equalTo(MetalienKK_ScreenHeight - MetalienKK_StatusBarHeight - MetalienKK_kMiniPlayerViewHeight); }]; [self.metalienKK_maskView mas_makeConstraints:^(MASConstraintMaker *make) { make.edges.equalTo(self.metalienKK_playerView); }]; [self.metalienKK_playImageView mas_makeConstraints:^(MASConstraintMaker *make) { make.center.equalTo(self.metalienKK_playerView); make.size.mas_offset(CGSizeMake(40, 40)); }]; [self.metalienKK_progressView mas_makeConstraints:^(MASConstraintMaker *make) { make.centerX.equalTo(self); make.bottom.equalTo(self.metalienKK_bottomView.mas_top); make.size.mas_offset(MetalienKK_kProgressViewSize); }]; [self.metalienKK_durationLabel mas_makeConstraints:^(MASConstraintMaker *make) { make.leading.equalTo(self.metalienKK_progressView); make.bottom.equalTo(self.metalienKK_progressView.mas_top); }]; [self.metalienKK_contentView mas_makeConstraints:^(MASConstraintMaker *make) { make.left.right.equalTo(self); make.bottom.equalTo(self.metalienKK_progressView.mas_top); make.height.mas_offset(20.0); }]; [self.metalienKK_userView mas_makeConstraints:^(MASConstraintMaker *make) { make.left.right.equalTo(self); make.bottom.equalTo(self.metalienKK_contentView.mas_top).offset(-12); make.height.mas_offset(36.0); }]; [self.metalienKK_fullScreenButton mas_makeConstraints:^(MASConstraintMaker *make) { make.center.equalTo(self.metalienKK_playerView); make.size.mas_equalTo(MetalienKK_kFullScreenDefaultSize); }]; [self.metalienKK_loadingView mas_makeConstraints:^(MASConstraintMaker *make) { make.center.equalTo(self.metalienKK_playerView); make.left.right.equalTo(self).inset(15.0); make.height.mas_equalTo(60); }]; // 按钮布局 [self.metalienKK_commentButton metalienKK_layoutWithStyle:MetalienKKButtonEdgeInsetsStyleImageLeft andSpace:4.0]; [self.metalienKK_likeButton metalienKK_layoutWithStyle:MetalienKKButtonEdgeInsetsStyleImageLeft andSpace:4.0]; [self.metalienKK_wowButton metalienKK_layoutWithStyle:MetalienKKButtonEdgeInsetsStyleImageLeft andSpace:4.0]; // 创建通知 [self metalienKK_setupNotifications]; } /// 创建通知 - (void)metalienKK_setupNotifications { // 应用进入后台时暂停 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appWillResignActiveNotification) name:UIApplicationWillResignActiveNotification object:nil]; // 应用返回前台时恢复 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(appDidBecomeActiveNotification) name:UIApplicationDidBecomeActiveNotification object:nil]; } /// 显示&隐藏控件 - (void)metalienKK_showAndHiddenControls { self.metalienKK_fullScreenButton.hidden = self.responseData.isFullScreen ?:(!self.responseData.isHorizontalResolution); self.metalienKK_bottomView.hidden = self.responseData.isFullScreen; self.metalienKK_contentView.hidden = self.responseData.isFullScreen ?:!((self.responseData.isShowTitle || self.responseData.isShowContent)); self.metalienKK_durationLabel.hidden = self.responseData.isFullScreen ? self.responseData.isPlaying:YES; self.metalienKK_userView.hidden = self.responseData.isFullScreen ? self.responseData.isPlaying:NO; self.metalienKK_progressView.hidden = self.responseData.isFullScreen ? self.responseData.isPlaying:NO; } /// 重置约束 - (void)metalienKK_remarkConstraints { // 视频播放器 [self.metalienKK_playerView mas_remakeConstraints:^(MASConstraintMaker *make) { make.top.equalTo(self); make.left.right.equalTo(self).inset(self.responseData.isFullScreen ? 76.0:0.0); make.bottom.equalTo(self).offset(self.responseData.isFullScreen ? 0.0:(-MetalienKK_kBottomViewHeight)); }]; [self.metalienKK_videoEngine.playerView mas_remakeConstraints:^(MASConstraintMaker *make) { make.edges.equalTo(self.metalienKK_playerView); }]; // 用户信息视图 [self.metalienKK_userView mas_remakeConstraints:^(MASConstraintMaker *make) { if (self.responseData.isFullScreen) { make.top.equalTo(self).offset(20); make.left.right.equalTo(self).inset(94); } else { make.left.right.equalTo(self); if (!self.metalienKK_contentView.hidden) { make.bottom.equalTo(self.metalienKK_contentView.mas_top).offset(-12); } else { make.bottom.equalTo(self.metalienKK_progressView.mas_top); } } make.height.mas_offset(36.0); }]; // 进度条 [self.metalienKK_progressView mas_remakeConstraints:^(MASConstraintMaker *make) { make.centerX.equalTo(self); if (self.responseData.isFullScreen) { make.left.right.equalTo(self).inset(50); make.bottom.equalTo(self).offset(-39); make.height.mas_equalTo(MetalienKK_kProgressViewSize.height); } else { make.bottom.equalTo(self.metalienKK_bottomView.mas_top); make.size.mas_offset(MetalienKK_kProgressViewSize); } }]; // 内容 if (!self.metalienKK_contentView.hidden) { [self.metalienKK_contentView mas_remakeConstraints:^(MASConstraintMaker *make) { CGFloat contentHeight = [self.metalienKK_contentView metalienKK_getContentViewHeight]; make.left.right.equalTo(self); make.bottom.equalTo(self.metalienKK_progressView.mas_top); make.height.mas_offset(contentHeight); }]; } // 全屏播放按钮 if (!self.metalienKK_fullScreenButton.hidden) { [self.metalienKK_fullScreenButton mas_remakeConstraints:^(MASConstraintMaker *make) { CGSize tempSize = [self.metalienKK_fullScreenButton.currentTitle metalienKK_calculateMultipleLinesTextSizeWithFont:MetalienKK_FullScreenOpenButtonFont andMaxSize:CGSizeMake(CGFLOAT_MAX, MetalienKK_kFullScreenDefaultSize.height)]; CGFloat tempWidth = 2*12.0 + 20.0 + 8.0 + tempSize.width; if (tempWidth < MetalienKK_kFullScreenDefaultSize.width) { tempWidth = MetalienKK_kFullScreenDefaultSize.width; } CGFloat tempVideoHeight = (self.responseData.videoHeight/(self.responseData.videoWidth*1.0)) * MetalienKK_ScreenWidth; make.centerX.equalTo(self.metalienKK_playerView); make.centerY.equalTo(self.metalienKK_playerView).offset(tempVideoHeight/2.0 + 12.0 + MetalienKK_kFullScreenDefaultSize.height/2.0); make.size.mas_equalTo(CGSizeMake(tempWidth, MetalienKK_kFullScreenDefaultSize.height)); }]; } // 立即刷新 [self layoutIfNeeded]; } # pragma mark - Public /// 视图复用 - (void)metalienKK_shortVideoPlayerViewReuse { // 暂停播放 [self metalienKK_pauseShortVideo]; // 重置播放器 [self.metalienKK_videoEngine resetPlayerVideoProcessor]; } /// 视图旋转 - (void)metalienKK_shortVideoPlayerViewRotate:(BOOL)isFullScreen { // 标记 self.responseData.isFullScreen = isFullScreen; // 显示&隐藏控件 [self metalienKK_showAndHiddenControls]; // 重置约束 [self metalienKK_remarkConstraints]; } /// 刷新数据 - (void)metalienKK_reloadVideoPlayerViewWithData:(MetalienKKDynamicModel *)responseData { // 缓存 self.responseData = responseData; // 显示&隐藏控件 self.metalienKK_loadingView.hidden = responseData.isReadyDisplay; self.metalienKK_playImageView.hidden = YES; self.metalienKK_fullScreenButton.hidden = !responseData.isHorizontalResolution; // 刷新数据 [self.metalienKK_userView metalienKK_refreshShortVideoUser:responseData]; [self.metalienKK_popupView metalienKK_reloadShortVideoViewData:responseData]; // 判断是否显示文本 BOOL isShowContent = (responseData.isShowTitle || responseData.isShowContent); self.metalienKK_contentView.hidden = !isShowContent; if (isShowContent) { [self.metalienKK_contentView metalienKK_refreshShortVideoContent:responseData]; } // 视频进度 [self.metalienKK_progressView metalienKK_shortVideoSetProgress:responseData.currentPlaybackProgress]; // 设置视频资源 [self metalienKK_setupVideoEngineSource]; // 显示&隐藏控件 [self metalienKK_showAndHiddenControls]; // 重置约束 [self metalienKK_remarkConstraints]; } /// 设置视频资源 - (void)metalienKK_setupVideoEngineSource { if (self.responseData.metalienKK_mediaID.length > 0 && self.responseData.metalienKK_mediaToken.length > 0) { // 设置视频资源（使用 Video ID） [self metalienKK_setShortVideoSourceWithVideoID:self.responseData.metalienKK_mediaID andToken:self.responseData.metalienKK_mediaToken]; } else if (self.responseData.metalienKK_href.length > 0) { // 设置视频资源（使用 HTTP URL） [self metalienKK_setShortVideoSourceWithURL:self.responseData.metalienKK_href]; } } /// 预加载方法 - (void)metalienKK_preloadVideo { // 设置视频资源 [self metalienKK_setupVideoEngineSource]; // 准备播放 [self.metalienKK_videoEngine prepareToPlay]; } /// 开始播放 - (void)metalienKK_startPlayShortVideo { // 标识 self.responseData.isPlaying = YES; // 隐藏播放按钮 self.metalienKK_playImageView.hidden = YES; // 弱引用 MetalienKK_WeakSelf(self); // 播放进度 [self.metalienKK_videoEngine addPeriodicTimeObserverForInterval:0.5 queue:dispatch_get_main_queue() usingBlock:^{ // 强引用 MetalienKK_StrongSelf(self); // 刷新视频播放进度 [self metalienKK_refreshShortVideoPlaybackProgress]; }]; // 指定视频播放开始时间 [self.metalienKK_videoEngine setOptionForKey:VEKKeyPlayerStartTime_CGFloat value:@(self.responseData.currentPlaybackTime)]; // 播放视频 [self.metalienKK_videoEngine play]; } /// 暂停播放 - (void)metalienKK_pauseShortVideo { // 显示播放按钮 self.metalienKK_playImageView.hidden = NO; // 手动标记 self.responseData.isPlaying = NO; // 暂停播放 [self.metalienKK_videoEngine pause:YES]; // 移除监听 [self.metalienKK_videoEngine removeTimeObserver]; } /// 重置播放器 - (void)metalienKK_resetPlayer { // 显示播放按钮 self.metalienKK_playImageView.hidden = NO; // 手动标记 self.responseData.isPlaying = NO; // // 视频进度 // [self.metalienKK_progressView metalienKK_shortVideoSetProgress:0]; // 移除监听 [self.metalienKK_videoEngine removeTimeObserver]; // 重置播放器 [self.metalienKK_videoEngine pause:YES]; // [self.metalienKK_videoEngine resetPlayerVideoProcessor]; } // 无重置的暂停 - (void)metalienKK_pauseShortVideoWithoutReset { [self.metalienKK_videoEngine pause]; self.responseData.isPlaying = NO; } // 跳转到指定时间 - (void)metalienKK_seekToTime:(CGFloat)time { MetalienKK_WeakSelf(self); [self.metalienKK_videoEngine setCurrentPlaybackTime:time complete:^(BOOL success) { if (success) { [weak_self metalienKK_refreshShortVideoPlaybackProgress]; } }]; } # pragma mark - Notification Event /// App 进入后台 - (void)appWillResignActiveNotification { if (self.responseData.isPlaying) { [self metalienKK_pauseShortVideo]; } } /// App 即将进入前台 - (void)appDidBecomeActiveNotification { if (self.responseData.isPlaying) { [self metalienKK_startPlayShortVideo]; } } # pragma mark - Event /// 设置视频资源（使用 Video ID） - (void)metalienKK_setShortVideoSourceWithVideoID:(NSString *)videoID andToken:(NSString *)token { TTVideoEngineVidSource * videoSource = [[TTVideoEngineVidSource alloc] initWithVid:videoID playAuthToken:token resolution:TTVideoEngineResolutionTypeAuto]; [self.metalienKK_videoEngine setVideoEngineVideoSource:videoSource]; } /// 设置视频资源（使用 HTTP URL） - (void)metalienKK_setShortVideoSourceWithURL:(NSString *)videoURL { NSString * cacheKey = [videoURL metalienKK_coverToMD5String]; TTVideoEngineUrlSource * urlSource = [[TTVideoEngineUrlSource alloc] initWithUrl:videoURL cacheKey:cacheKey]; [self.metalienKK_videoEngine setVideoEngineVideoSource:urlSource]; } /// 刷新视频播放进度 - (void)metalienKK_refreshShortVideoPlaybackProgress { CGFloat playTime = self.metalienKK_videoEngine.currentPlaybackTime; CGFloat duration = self.metalienKK_videoEngine.duration; CGFloat progress = (playTime/duration); [self.metalienKK_progressView metalienKK_shortVideoSetProgress:progress]; // 视频播放进度 NSString * playTimeString = [NSString metalienKK_secondConvertToFormat:playTime]; NSString * durationString = [NSString metalienKK_secondConvertToFormat:duration]; NSString * content = [NSString stringWithFormat:@"%@ / %@", playTimeString, durationString]; NSRange playTimeRange = [content rangeOfString:playTimeString]; NSMutableAttributedString * attributedString = [[NSMutableAttributedString alloc] initWithString:content]; [attributedString addAttribute:NSForegroundColorAttributeName value:MetalienKK_ColorHexAlpha(@"#A8B0B9", 0.7) range:attributedString.yy_rangeOfAll]; [attributedString addAttribute:NSForegroundColorAttributeName value:UIColor.whiteColor range:playTimeRange]; self.metalienKK_durationLabel.attributedText = attributedString; // 缓存 self.responseData.currentPlaybackProgress = progress; self.responseData.currentPlaybackTime = playTime; } /// 弹出视图 - (void)metalienKK_showPopupViewAtIndex:(int)index { // 选中处理 if (index >= 0) { [self.metalienKK_popupView metalienKK_popupViewDidSelectIndex:index]; } // 控件显示&隐藏 self.metalienKK_fullScreenButton.hidden = YES; self.metalienKK_popupView.hidden = NO; // 标记是否弹出视图 [self metalienKK_markPopupViewIsShow:YES]; // 重置约束 [self.metalienKK_playerView mas_remakeConstraints:^(MASConstraintMaker *make) { make.top.left.right.equalTo(self); make.height.mas_equalTo(MetalienKK_kMiniPlayerViewHeight); }]; [self.metalienKK_popupView mas_remakeConstraints:^(MASConstraintMaker *make) { make.top.equalTo(self.metalienKK_playerView.mas_bottom); make.left.right.equalTo(self); make.height.mas_equalTo(MetalienKK_ScreenHeight - MetalienKK_StatusBarHeight - MetalienKK_kMiniPlayerViewHeight); }]; // 创建弹簧动画器 UISpringTimingParameters * springParams = [[UISpringTimingParameters alloc] initWithDampingRatio:0.75 initialVelocity:CGVectorMake(0.5, 0.5)]; UIViewPropertyAnimator * animator = [[UIViewPropertyAnimator alloc] initWithDuration:0.4 timingParameters:springParams]; [animator addAnimations:^{ // 强制立即刷新布局 [self layoutIfNeeded]; }]; [animator addCompletion:^(UIViewAnimatingPosition finalPosition) { [self metalienKK_disableCollectionViewScroll:YES]; }]; [animator startAnimation]; } /// 关闭视图 - (void)metalienKK_closePopupView { // 标记是否弹出视图 [self metalienKK_markPopupViewIsShow:NO]; // 重置约束 [self.metalienKK_playerView mas_remakeConstraints:^(MASConstraintMaker *make) { make.top.left.right.equalTo(self); make.bottom.equalTo(self).offset(-MetalienKK_kBottomViewHeight); }]; [self.metalienKK_popupView mas_remakeConstraints:^(MASConstraintMaker *make) { make.top.equalTo(self.mas_bottom); make.left.right.equalTo(self); make.height.mas_equalTo(MetalienKK_ScreenHeight - MetalienKK_StatusBarHeight - MetalienKK_kMiniPlayerViewHeight); }]; // 使用相同的动画参数 UISpringTimingParameters * springParams = [[UISpringTimingParameters alloc] initWithDampingRatio:0.8 initialVelocity:CGVectorMake(0, 0)]; UIViewPropertyAnimator * animator = [[UIViewPropertyAnimator alloc] initWithDuration:0.35 timingParameters:springParams]; [animator addAnimations:^{ // 强制立即刷新布局 [self layoutIfNeeded]; }]; [animator addCompletion:^(UIViewAnimatingPosition finalPosition) { self.metalienKK_fullScreenButton.hidden = !self.responseData.isHorizontalResolution; self.metalienKK_popupView.hidden = YES; [self metalienKK_disableCollectionViewScroll:NO]; }]; [animator startAnimation]; } /// 标记是否弹出视图 - (void)metalienKK_markPopupViewIsShow:(BOOL)isShow { // 缓存 self.responseData.isShowingPopupView = isShow; // 弹出&收起视图 if ([self.delegate respondsToSelector:@selector(metalienKK_collectionViewCellDidShowPopupView:)]) { [self.delegate metalienKK_collectionViewCellDidShowPopupView:isShow]; } } /// 禁止滚动 - (void)metalienKK_disableCollectionViewScroll:(BOOL)isDisable { // 移除手势 [self.metalienKK_maskView removeGestureRecognizer:self.metalienKK_maskViewBlockPanGesture]; // 判断是否禁止 if (isDisable) { [self.metalienKK_maskView addGestureRecognizer:self.metalienKK_maskViewBlockPanGesture]; } } # pragma mark - Gesture /// 点击视频 - (void)metalienKK_maskViewTapGesture:(UITapGestureRecognizer *)gesture { // 判断是否正在弹出视图 if (self.responseData.isShowingPopupView) { [self metalienKK_closePopupView]; } else { if (self.metalienKK_videoEngine.playbackState == TTVideoEnginePlaybackStatePlaying) { [self metalienKK_pauseShortVideo]; } else { [self metalienKK_startPlayShortVideo]; } } } /// 点击内容视图 - (void)metalienKK_contentViewTapGesture:(UITapGestureRecognizer *)gesture { [self metalienKK_showPopupViewAtIndex:0]; } /// 视频窗口滑动手势 - (void)metalienKK_maskViewPanGesture:(UIPanGestureRecognizer *)gesture { // Nothing ... } /// 预览视图滑动手势 - (void)metalienKK_popupViewPanGesture:(UIPanGestureRecognizer *)gesture { static CGPoint originalCenter; static CGRect originalFrame; static CGFloat initialTranslationY; CGPoint translation = [gesture translationInView:self]; CGPoint velocity = [gesture velocityInView:self]; switch (gesture.state) { case UIGestureRecognizerStateBegan: // 记录初始位置 originalCenter = self.metalienKK_popupView.center; originalFrame = self.metalienKK_popupView.frame; initialTranslationY = translation.y; break; case UIGestureRecognizerStateChanged: { // 计算新的Y位置（限制在屏幕范围内） CGFloat newY = originalFrame.origin.y + translation.y; CGFloat minY = MetalienKK_kMiniPlayerViewHeight; CGFloat maxY = MetalienKK_ScreenHeight; // 限制拖拽范围（不能超过屏幕顶部/底部） newY = MIN(MAX(newY, minY), maxY); // 应用新位置 CGRect newFrame = originalFrame; newFrame.origin.y = newY; self.metalienKK_popupView.frame = newFrame; // 计算背景视图的高度变化（跟随拖拽） CGFloat backgroundHeight = MetalienKK_kMiniPlayerViewHeight + (newY - minY); [self.metalienKK_playerView mas_updateConstraints:^(MASConstraintMaker *make) { make.height.mas_equalTo(backgroundHeight); }]; [self layoutIfNeeded]; break; } case UIGestureRecognizerStateEnded: case UIGestureRecognizerStateCancelled: { CGFloat currentY = self.metalienKK_popupView.frame.origin.y; CGFloat threshold = MetalienKK_ScreenHeight * 0.5; // 阈值设为屏幕高度的50% BOOL shouldClose = NO; // 根据速度或位置决定操作 if (velocity.y > 800) { // 快速下滑则关闭 shouldClose = YES; } else if (velocity.y < -800) { // 快速上滑则展开 shouldClose = NO; } else { // 根据位置决定 shouldClose = (currentY > threshold); } if (shouldClose) { [self metalienKK_closePopupView]; } else { [self metalienKK_showPopupViewAtIndex:-999]; } break; } default: break; } } #pragma mark - Action /// 全屏播放 - (void)metalienKK_fullScreenButtonAction:(UIButton *)sender { // 确保使用主线程执行旋转 dispatch_async(dispatch_get_main_queue(), ^{ if ([self.delegate respondsToSelector:@selector(metalienKK_fullScreenOpenButtonDidClick:)]) { [self.delegate metalienKK_fullScreenOpenButtonDidClick:sender]; } }); } /// 评论 - (void)metalienKK_commentButtonAction:(UIButton *)sender { [self metalienKK_showPopupViewAtIndex:1]; } /// 赞 & 取消赞 - (void)metalienKK_likeButtonAction:(UIButton *)sender { } /// 棒 & 取消棒 - (void)metalienKK_wowButtonAction:(UIButton *)sender { } # pragma mark - TTVideoEngineDelegate /// 播放停止回调 - (void)videoEngineUserStopped:(TTVideoEngine *)videoEngine { MetalienKK_Log(@"videoEngineUserStopped:"); } /// 播放结束回调 - (void)videoEngineDidFinish:(TTVideoEngine *)videoEngine error:(nullable NSError *)error { MetalienKK_Log(@"videoEngineDidFinish:error:"); } /// 异常播放结束回调 - (void)videoEngineDidFinish:(TTVideoEngine *)videoEngine videoStatusException:(NSInteger)status { MetalienKK_Log(@"videoEngineDidFinish:videoStatusException:"); } /// 播放器实例销毁回调 - (void)videoEngineCloseAysncFinish:(TTVideoEngine *)videoEngine { MetalienKK_Log(@"videoEngineCloseAysncFinish:"); } /// 播放状态改变回调 - (void)videoEngine:(TTVideoEngine *)videoEngine playbackStateDidChanged:(TTVideoEnginePlaybackState)playbackState { MetalienKK_Log(@"videoEngine:playbackStateDidChanged:"); self.responseData.isPlaying = (playbackState == TTVideoEnginePlaybackStatePlaying); self.metalienKK_progressView.isPlaying = self.responseData.isPlaying; // 显示&隐藏控件 [self metalienKK_showAndHiddenControls]; } /// 加载状态改变回调 - (void)videoEngine:(TTVideoEngine *)videoEngine loadStateDidChanged:(TTVideoEngineLoadState)loadState { MetalienKK_Log(@"videoEngine:loadStateDidChanged:"); if (loadState == TTVideoEngineLoadStatePlayable) { self.responseData.isLoading = NO; [self.metalienKK_progressView metalienKK_shortVideoStopLoadingAnimation]; } else { self.responseData.isLoading = YES; [self.metalienKK_progressView metalienKK_shortVideoStartLoadingAnimation]; } } /// 播放器各模块准备完成、可以播放回调 - (void)videoEnginePrepared:(TTVideoEngine *)videoEngine { MetalienKK_Log(@"videoEnginePrepared:"); self.metalienKK_progressView.duration = videoEngine.duration; } /// 视频加载完成、开始播放回调 - (void)videoEngineReadyToPlay:(TTVideoEngine *)videoEngine { MetalienKK_Log(@"videoEngineReadyToPlay:"); } /// 显示视频首帧回调 - (void)videoEngineReadyToDisPlay:(TTVideoEngine *)videoEngine { MetalienKK_Log(@"videoEngineReadyToDisPlay:(width:%ld, height:%ld)", self.responseData.videoWidth, self.responseData.videoHeight); self.responseData.isReadyDisplay = YES; self.metalienKK_loadingView.hidden = YES; } # pragma mark - TTVideoEngineResolutionDelegate /// 视频分辨率发生变化回调 - (void)videoSizeDidChange:(TTVideoEngine *)videoEngine videoWidth:(NSInteger)videoWidth videoHeight:(NSInteger)videoHeight { MetalienKK_Log(@"videoSizeDidChange:videoWidth:%ld videoHeight:%ld", (long)videoWidth, (long)videoHeight); // 缓存信息 self.responseData.videoWidth = videoWidth; self.responseData.videoHeight = videoHeight; // 按钮显示状态 self.responseData.isHorizontalResolution = (self.responseData.videoWidth > self.responseData.videoHeight); self.metalienKK_fullScreenButton.hidden = !self.responseData.isHorizontalResolution; // 重置约束 [self metalienKK_remarkConstraints]; } # pragma mark - Override - (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event { if (self.responseData.isShowingPopupView) { CGPoint commentPoint = [self.metalienKK_popupView convertPoint:point fromView:self]; if ([self.metalienKK_popupView pointInside:commentPoint withEvent:event]) { return [self.metalienKK_popupView hitTest:commentPoint withEvent:event]; } CGPoint maskPoint = [self.metalienKK_maskView convertPoint:point fromView:self]; if ([self.metalienKK_maskView pointInside:maskPoint withEvent:event]) { return self.metalienKK_maskView; } return self; } return [super hitTest:point withEvent:event]; } //# pragma mark - Helper // ///// 判断视图是否存在 //- (BOOL)metalienKK_isVideoEnginePlayerViewExist { // return [self.metalienKK_videoEngine.playerView isDescendantOfView:self.metalienKK_playerView]; //} # pragma mark - Getter - (TTVideoEngine *)metalienKK_videoEngine { if (!_metalienKK_videoEngine) { _metalienKK_videoEngine = [[TTVideoEngine alloc] initWithOwnPlayer:YES]; _metalienKK_videoEngine.delegate = self; _metalienKK_videoEngine.resolutionDelegate = self; _metalienKK_videoEngine.looping = YES; [_metalienKK_videoEngine setOptionForKey:VEKKeyViewScaleMode_ENUM value:@(TTVideoEngineScalingModeAspectFit)]; [_metalienKK_videoEngine setOptionForKey:VEKKeyAudioChannelEffect_ENUM value:@(TTVideoEngineAudioChannelNormal)]; // 播放 DASH 视频 [_metalienKK_videoEngine setOptionForKey:VEKKeyPlayerBashEnabled_BOOL value:@(YES)]; [_metalienKK_videoEngine setOptionForKey:VEKKeyPlayerDashEnabled_BOOL value:@(YES)]; } return _metalienKK_videoEngine; } - (MetalienKKShortVideoProgressView *)metalienKK_progressView { if (!_metalienKK_progressView) { // 弱引用 MetalienKK_WeakSelf(self); // 初始化 _metalienKK_progressView = [[MetalienKKShortVideoProgressView alloc] initWithFrame:CGRectMake(0, 0, MetalienKK_kProgressViewSize.width, MetalienKK_kProgressViewSize.height)]; [_metalienKK_progressView setOnSeek:^(NSInteger time) { // 强引用 MetalienKK_StrongSelf(self); // 跳转到指定的时间位置 [self.metalienKK_videoEngine setCurrentPlaybackTime:time complete:^(BOOL success) { // Nothing ... }]; }]; [_metalienKK_progressView metalienKK_shortVideoStartLoadingAnimation]; } return _metalienKK_progressView; } - (MetalienKKShortVideoContentPreviewView *)metalienKK_contentView { if (!_metalienKK_contentView) { _metalienKK_contentView = [[MetalienKKShortVideoContentPreviewView alloc] init]; _metalienKK_contentView.userInteractionEnabled = YES; // 添加手势 UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(metalienKK_contentViewTapGesture:)]; [_metalienKK_contentView addGestureRecognizer:tap]; } return _metalienKK_contentView; } - (MetalienKKShortVideoUserView *)metalienKK_userView { if (!_metalienKK_userView) { _metalienKK_userView = [[MetalienKKShortVideoUserView alloc] init]; } return _metalienKK_userView; } - (UIView *)metalienKK_playerView { if (!_metalienKK_playerView) { _metalienKK_playerView = [[UIView alloc] init]; _metalienKK_playerView.userInteractionEnabled = YES; } return _metalienKK_playerView; } - (UIView *)metalienKK_bottomView { if (!_metalienKK_bottomView) { _metalienKK_bottomView = [[UIView alloc] init]; _metalienKK_bottomView.backgroundColor = MetalienKK_ColorHex(@"#11111D"); } return _metalienKK_bottomView; } - (UIButton *)metalienKK_commentButton { if (!_metalienKK_commentButton) { _metalienKK_commentButton = [UIButton buttonWithType:UIButtonTypeCustom]; [_metalienKK_commentButton.titleLabel setFont:MetalienKK_BoldFont(14)]; [_metalienKK_commentButton setTitle:MetalienKK_LocalizedString(@"评论") forState:UIControlStateNormal]; [_metalienKK_commentButton setTitleColor:MetalienKK_ColorHex(@"#E6EBF4") forState:UIControlStateNormal]; [_metalienKK_commentButton setImage:[UIImage imageNamed:@"metalienKKImage_shortVideo_comment"] forState:UIControlStateNormal]; [_metalienKK_commentButton addTarget:self action:@selector(metalienKK_commentButtonAction:) forControlEvents:UIControlEventTouchUpInside]; } return _metalienKK_commentButton; } - (UIButton *)metalienKK_likeButton { if (!_metalienKK_likeButton) { _metalienKK_likeButton = [UIButton buttonWithType:UIButtonTypeCustom]; [_metalienKK_likeButton.titleLabel setFont:MetalienKK_BoldFont(14)]; [_metalienKK_likeButton setTitle:MetalienKK_LocalizedString(@"赞") forState:UIControlStateNormal]; [_metalienKK_likeButton setTitleColor:MetalienKK_ColorHex(@"#E6EBF4") forState:UIControlStateNormal]; [_metalienKK_likeButton setImage:[UIImage imageNamed:@"metalienKKImage_shortVideo_like"] forState:UIControlStateNormal]; [_metalienKK_likeButton addTarget:self action:@selector(metalienKK_likeButtonAction:) forControlEvents:UIControlEventTouchUpInside]; } return _metalienKK_likeButton; } - (UIButton *)metalienKK_wowButton { if (!_metalienKK_wowButton) { _metalienKK_wowButton = [UIButton buttonWithType:UIButtonTypeCustom]; [_metalienKK_wowButton.titleLabel setFont:MetalienKK_BoldFont(14)]; [_metalienKK_wowButton setTitle:MetalienKK_LocalizedString(@"棒") forState:UIControlStateNormal]; [_metalienKK_wowButton setTitleColor:MetalienKK_ColorHex(@"#E6EBF4") forState:UIControlStateNormal]; [_metalienKK_wowButton setImage:[UIImage imageNamed:@"metalienKKImage_shortVideo_WOW"] forState:UIControlStateNormal]; [_metalienKK_wowButton addTarget:self action:@selector(metalienKK_wowButtonAction:) forControlEvents:UIControlEventTouchUpInside]; } return _metalienKK_wowButton; } - (UIView *)metalienKK_bottomLineView_1 { if (!_metalienKK_bottomLineView_1) { _metalienKK_bottomLineView_1 = [[UIView alloc] init]; _metalienKK_bottomLineView_1.backgroundColor = MetalienKK_ColorHexAlpha(@"#848C96", 0.1); } return _metalienKK_bottomLineView_1; } - (UIView *)metalienKK_bottomLineView_2 { if (!_metalienKK_bottomLineView_2) { _metalienKK_bottomLineView_2 = [[UIView alloc] init]; _metalienKK_bottomLineView_2.backgroundColor = MetalienKK_ColorHexAlpha(@"#848C96", 0.1); } return _metalienKK_bottomLineView_2; } - (UIImageView *)metalienKK_playImageView { if (!_metalienKK_playImageView) { _metalienKK_playImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"metalienKKImage_shortVideoPlay"]]; _metalienKK_playImageView.hidden = YES; } return _metalienKK_playImageView; } - (UIView *)metalienKK_maskView { if (!_metalienKK_maskView) { _metalienKK_maskView = [[UIView alloc] init]; _metalienKK_maskView.backgroundColor = UIColor.clearColor; _metalienKK_maskView.userInteractionEnabled = YES; // 添加手势 UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(metalienKK_maskViewTapGesture:)]; [_metalienKK_maskView addGestureRecognizer:tap]; } return _metalienKK_maskView; } - (UIPanGestureRecognizer *)metalienKK_maskViewBlockPanGesture { if (!_metalienKK_maskViewBlockPanGesture) { _metalienKK_maskViewBlockPanGesture = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(metalienKK_maskViewPanGesture:)]; } return _metalienKK_maskViewBlockPanGesture; } - (UIPanGestureRecognizer *)metalienKK_popupViewPanGesture { if (!_metalienKK_popupViewPanGesture) { _metalienKK_popupViewPanGesture = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(metalienKK_popupViewPanGesture:)]; } return _metalienKK_popupViewPanGesture; } - (MetalienKKShortVideoPopupView *)metalienKK_popupView { if (!_metalienKK_popupView) { // 初始化视图 _metalienKK_popupView = [[MetalienKKShortVideoPopupView alloc] init]; _metalienKK_popupView.backgroundColor = [UIColor whiteColor]; _metalienKK_popupView.clipsToBounds = YES; _metalienKK_popupView.layer.cornerRadius = 12.0; _metalienKK_popupView.hidden = YES; _metalienKK_popupView.parentViewPanGestureRecognizer = self.metalienKK_popupViewPanGesture; // 添加拖拽手势 [_metalienKK_popupView addGestureRecognizer:self.metalienKK_popupViewPanGesture]; // 添加按钮事件 [_metalienKK_popupView.metalienKK_commentView.metalienKK_closeButton addTarget:self action:@selector(metalienKK_closePopupView) forControlEvents:UIControlEventTouchUpInside]; } return _metalienKK_popupView; } - (UIButton *)metalienKK_fullScreenButton { if (!_metalienKK_fullScreenButton) { _metalienKK_fullScreenButton = [UIButton buttonWithType:UIButtonTypeCustom]; [_metalienKK_fullScreenButton setFrame:CGRectMake(0, 0, MetalienKK_kFullScreenDefaultSize.width, MetalienKK_kFullScreenDefaultSize.height)]; [_metalienKK_fullScreenButton.titleLabel setFont:MetalienKK_FullScreenOpenButtonFont]; [_metalienKK_fullScreenButton setTitle:MetalienKK_LocalizedString(@"全屏播放") forState:UIControlStateNormal]; [_metalienKK_fullScreenButton setTitleColor:UIColor.whiteColor forState:UIControlStateNormal]; [_metalienKK_fullScreenButton setImage:[UIImage imageNamed:@"metalienKKImage_shortVideo_fullScreen_open"] forState:UIControlStateNormal]; [_metalienKK_fullScreenButton setClipsToBounds:YES]; [_metalienKK_fullScreenButton.layer setCornerRadius:MetalienKK_kFullScreenDefaultSize.height/2.0]; [_metalienKK_fullScreenButton.layer setBorderColor:MetalienKK_ColorHexAlpha(@"#FFFFFF", 0.15).CGColor]; [_metalienKK_fullScreenButton.layer setBorderWidth:1.0]; [_metalienKK_fullScreenButton addTarget:self action:@selector(metalienKK_fullScreenButtonAction:) forControlEvents:UIControlEventTouchUpInside]; [_metalienKK_fullScreenButton metalienKK_layoutWithStyle:MetalienKKButtonEdgeInsetsStyleImageLeft andSpace:8.0]; [_metalienKK_fullScreenButton setHidden:YES]; } return _metalienKK_fullScreenButton; } - (UILabel *)metalienKK_durationLabel { if (!_metalienKK_durationLabel) { _metalienKK_durationLabel = [[UILabel alloc] init]; _metalienKK_durationLabel.font = MetalienKK_RegularFont(14); _metalienKK_durationLabel.text = @"00:00 / 00:00"; _metalienKK_durationLabel.textColor = MetalienKK_ColorHexAlpha(@"#A8B0B9", 0.7); _metalienKK_durationLabel.hidden = YES; } return _metalienKK_durationLabel; } - (UIView *)metalienKK_loadingView { if (!_metalienKK_loadingView) { _metalienKK_loadingView = [[UIView alloc] init]; _metalienKK_loadingView.hidden = YES; // 添加图标 UIImageView * iconImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"metalienKKImage_metalienIconBig"]]; iconImageView.contentMode = UIViewContentModeScaleAspectFit; [_metalienKK_loadingView addSubview:iconImageView]; [iconImageView mas_makeConstraints:^(MASConstraintMaker *make) { make.top.centerX.equalTo(_metalienKK_loadingView); make.size.mas_equalTo(CGSizeMake(40, 40)); }]; // 添加说明 UILabel * tipLabel = [[UILabel alloc] init]; tipLabel.font = MetalienKK_RegularFont(12); tipLabel.text = MetalienKK_LocalizedString(@"加载中..."); tipLabel.textColor = MetalienKK_ColorHexAlpha(@"#848C96", 0.6); [_metalienKK_loadingView addSubview:tipLabel]; [tipLabel mas_makeConstraints:^(MASConstraintMaker *make) { make.centerX.equalTo(_metalienKK_loadingView); make.bottom.equalTo(_metalienKK_loadingView); }]; } return _metalienKK_loadingView; } # pragma mark - Dealloc - (void)dealloc { // 移除通知 [[NSNotificationCenter defaultCenter] removeObserver:self]; // 销毁播放器 [self.metalienKK_videoEngine stop]; [self.metalienKK_videoEngine removeTimeObserver]; [self.metalienKK_videoEngine.playerView removeFromSuperview]; [self.metalienKK_videoEngine closeAysnc]; self.metalienKK_videoEngine = nil; } /* // Only override drawRect: if you perform custom drawing. // An empty implementation adversely affects performance during animation. - (void)drawRect:(CGRect)rect { // Drawing code } */ @end 旋转视图时，为什么播放器的视频会黑一下，再显示出来的？
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