后台连续播放音乐文件

最新推荐文章于 2016-06-28 15:50:21 发布

转载最新推荐文章于 2016-06-28 15:50:21 发布 · 83 阅读

CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/ThankForYou/archive/2012/07/06/2579911.html

#import <AudioToolbox/AudioToolbox.h>
 1 -(void) becomeFirstResponse{
 2     [[AVAudioSession sharedInstance] setDelegate: self];
 3     [[AVAudioSession sharedInstance] setCategory: AVAudioSessionCategoryPlayback error: nil];
 4     UInt32 doSetProperty = 0;
 5     AudioSessionSetProperty (
 6                              kAudioSessionProperty_OverrideCategoryMixWithOthers,
 7                              sizeof (doSetProperty),
 8                              &doSetProperty
 9                              );
10     NSError *activationError = nil;
11     [[AVAudioSession sharedInstance] setActive: YES error: &activationError];
12     UIDevice *device = [UIDevice currentDevice];
13     BOOL backgroundSupported = NO;
14     if ([device respondsToSelector:@selector(isMultitaskingSupported)]) {
15         backgroundSupported = device.multitaskingSupported;
16         if (backgroundSupported == YES) {
17             [[UIApplication sharedApplication] beginReceivingRemoteControlEvents];
18             //            [self.window becomeFirstResponder];
19         }
20     }
21 }

.plist文件加上：

<key>UIBackgroundModes</key>
   <array>
       <string>audio</string>
   </array>

转载于:https://www.cnblogs.com/ThankForYou/archive/2012/07/06/2579911.html