ios 耳机线控

当你使用iphone的时候听音乐的时候,播放器在后台运行的时候,你仍然可以通过耳机来进行操作,完成曲目切换,快进,快退等功能!
当然你的程序不一定是播放器应用,但是我们仍然可以让它具有这个功能,让用户通过耳机进行一些比较简单常用的操作,这样是不是很酷呢?
具体的怎么实现呢?废话不多说,我们直奔主题:
1,允许接受Remote事件

[[UIApplication sharedApplication] beginReceivingRemoteControlEvents];
[self becomeFirstResponder];

 

2,处理输入事件:

- (void) remoteControlReceivedWithEvent: (UIEvent *) receivedEvent {

if (receivedEvent.type == UIEventTypeRemoteControl)

{

        switch (receivedEvent.subtype) {   

case UIEventSubtypeRemoteControlTogglePlayPause:

//do something

break;

case UIEventSubtypeRemoteControlPreviousTrack:

//do something

break;

case UIEventSubtypeRemoteControlNextTrack:

//do something

break;

            default:

break;

}

}

}

3,在使用完毕的时候停止接受Remote事件

[[UIApplication sharedApplication] endReceivingRemoteControlEvents];
[self resignFirstResponder];

 

4,附上完整的事件类型代码,供大家使用

 

typedef enum {

UIEventSubtypeNone = 0,

 UIEventSubtypeMotionShake = 1,

 UIEventSubtypeRemoteControlPlay = 100,

UIEventSubtypeRemoteControlPause = 101,

UIEventSubtypeRemoteControlStop = 102,

UIEventSubtypeRemoteControlTogglePlayPause = 103,

UIEventSubtypeRemoteControlNextTrack = 104,

UIEventSubtypeRemoteControlPreviousTrack = 105,

UIEventSubtypeRemoteControlBeginSeekingBackward = 106,

UIEventSubtypeRemoteControlEndSeekingBackward = 107,

UIEventSubtypeRemoteControlBeginSeekingForward = 108,

UIEventSubtypeRemoteControlEndSeekingForward = 109,

} UIEventSubtype;

 

补充,转载:

最近发现也有人在坛子里发帖求获取ios耳机线控事件,下面给大家分享一下代码,



-(BOOL)canBecomeFirstResponder{
    NSLog(@"_____%s_____",__FUNCTION__);
    return YES;
}


//received remote event
-(void)remoteControlReceivedWithEvent:(UIEvent *)event{
    NSLog(@"event tyipe:::%d   subtype:::%d",event.type,event.subtype);
    //type==2  subtype==单击暂停键:103,双击暂停键104
    if (event.type == UIEventTypeRemoteControl) {
        switch (event.subtype) {

            case UIEventSubtypeRemoteControlPlay:{
                NSLog(@"play---------");
            }break;
            case UIEventSubtypeRemoteControlPause:{
                NSLog(@"Pause---------");
            }break;
            case UIEventSubtypeRemoteControlStop:{
                NSLog(@"Stop---------");
            }break;
            case UIEventSubtypeRemoteControlTogglePlayPause:{
                //单击暂停键:103
                NSLog(@"单击暂停键:103");
            }break;
            case UIEventSubtypeRemoteControlNextTrack:{
                //双击暂停键:104
                NSLog(@"双击暂停键:104");
            }break;
            case UIEventSubtypeRemoteControlPreviousTrack:{
                NSLog(@"三击暂停键:105");
            }break;
            case UIEventSubtypeRemoteControlBeginSeekingForward:{
                NSLog(@"单击,再按下不放:108");
            }break;
            case UIEventSubtypeRemoteControlEndSeekingForward:{
                NSLog(@"单击,再按下不放,松开时:109");
            }break;
            default:
                break;
        }
    }
}

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