旦我有MPMediaItemPropertyPersistent

旦我有MPMediaItemPropertyPersistent

本文介绍了一旦我有MPMediaItemPropertyPersistentID,我如何播放歌曲?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

NSArray * songs = [[NSArray alloc] initWithArray:[[MPMediaQuery songsQuery] collections]];

for (MPMediaItemCollection * item in songs){

    NSString * persistentID = [[[item representativeItem]             valueForProperty:MPMediaItemPropertyPersistentID] stringValue];
    // Do something with it.
    ???

}

如果我有MPMediaItemPropertyPersistentID,我该如何播放歌曲?

How do i play song back once i have MPMediaItemPropertyPersistentID?

推荐答案

//Your song id NSString *songID;

MPMediaPropertyPredicate *predicate = [MPMediaPropertyPredicate predicateWithValue:songID forProperty:MPMediaItemPropertyPersistentID];

MPMediaQuery *mySongQuery = [[MPMediaQuery alloc] init];
//finding songs for predicate
[mySongQuery addFilterPredicate: predicate];

//add songs to queue
[musicPlayer setQueueWithQuery:mySongQuery];

[musicPlayer play];

这篇关于一旦我有MPMediaItemPropertyPersistentID,我如何播放歌曲?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!

09-02 06:29