在锁定屏幕上设置和访问iOS搜索栏

本文介绍了在锁定屏幕上设置和访问iOS搜索栏的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 29岁程序员，3月因学历无情被辞！ 我正在使用AVQueuePlayer / AVFoundation在iOS应用中播放音频文件。 i已经设置了MPNowPlayingInfoCenter现在播放的信息，如专辑标题，艺术家，艺术品，像这样I am playing a audio file in iOS app using AVQueuePlayer/AVFoundation.i have set the MPNowPlayingInfoCenter's now playing information like album title, artist, Artwork,like this NSMutableDictionary * albumInfo = [[NSMutableDictionary alloc] init]; MPMediaItemArtwork * artworkP; UIImage * artWork = [UIImage imageNamed：album.imageUrl]; [albumInfo setObject： album.title forKey：MPMediaItemPropertyTitle]; [albumInfo setObject：album.auther forKey：MPMediaItemPropertyArtist]; [albumInfo setObject：album.title forKey：MPMediaItemPropertyAlbumTitle]; [albumInfo setObject：artworkP forKey：MPMediaItemPropertyArtwork]; [[MPNowPlayingInfoCenter defaultCenter] setNowPlayingInfo：albumInfo]还可以访问应用程序委托中的远程事件，以便从锁定屏幕播放，暂停，下一个，上一个事件。 但搜索栏无法访问，即使我没有找到任何设置搜索属性的选项。and also accessing remote event in application delegate for play,pause, next, previous event from lock screen.But the seek bar is not accessible, even i didn't find any option to set seek property.我想设置搜索属性，并希望在我的应用程序中访问搜索滑块更改事件。i want to set seek property and want to access the seek slider change event in my app.推荐答案我认为支持前进和后退搜索的唯一方法是通过前一个/前进按钮（它们在按下时发送开始/结束寻求通知）。I believe the only way to support forward and backward seeking is by the previous/advance buttons (they send a begin/end seeking notification when held down).UIEventSubtypeRemoteControlBeginSeekingBackward, UIEventSubtypeRemoteControlBeginSeekingForward,UIEventSubtypeRemoteControlEndSeekingBackward, UIEventSubtypeRemoteControlEndSeekingForward根据其他一些问题和文档，搜索栏只能通过Apple自己的应用程序访问（ https：// stackoverflow .com / a / 20142141/535632 ， https://stackoverflow.com/a/20909875/535632 ）。根据最后的答案，似乎有些应用程序（特别是Spotify）通过音乐播放器路由他们的音乐来使用搜索栏。Based on some of the other questions and documentation the seek bar is only accessible via Apple's own apps (https://stackoverflow.com/a/20142141/535632, https://stackoverflow.com/a/20909875/535632). According to that last answer, it appears some apps (notably Spotify) route their music through the music player to utilize the seek bar. 这篇关于在锁定屏幕上设置和访问iOS搜索栏的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 上岸，阿里云！