MPMusicPlayerController and setNowPlayingItem

I'm using MPMusicPlayerController, specifically with setNowPlayingItem protocol and it's for cydia. But I have some issues and theos' warning when i make. It seems that some of the protocols and methods are not working and I receive some warning like this:

Tweak.xm:177: warning: ‘MPMusicPlayerController’ may not respond to开发者_如何学运维 ‘-skipToPreviousItem’
Tweak.xm:188: warning: ‘MPMusicPlayerController’ may not respond to ‘-pause’
Tweak.xm:193: warning: ‘MPMusicPlayerController’ may not respond to ‘-play’
Tweak.xm:201: warning: ‘MPMusicPlayerController’ may not respond to ‘-skipToNextItem’
Tweak.xm:317: warning: ‘MPMusicPlayerController’ may not respond to ‘-setNowPlayingItem:’

Have anyone some ideas? I enter the protocol already in prototype

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I don't think it's because of cydia - it sounds like a compilation issue.

Have you definitely got

#import <MediaPlayer/MediaPlayer.h>

in your file?

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have you added the MediaPlayer.framework to your project?

1. select your project in the project navigator
2. select your target on the right side
3. select the "Build Phases" tab
4. open "Link Binary With Libraries"
5. add your framework

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