iOS开发之运动事件和远程控制

}
#pragma mark 界面状态
- (void)changeUIState{
    if(_isPlaying){
        UIImage *pauseImage = [UIImage imageNamed:@"playing_btn_pause_n.png"];
        UIImage *pauseImageH = [UIImage imageNamed:@"playing_btn_pause_h.png"];
        [_playButton setImage:pauseImage forState:UIControlStateNormal];
        [_playButton setImage:pauseImageH forState:UIControlStateHighlighted];
    }else{
        UIImage *playImage = [UIImage imageNamed:@"playing_btn_play_n.png"];
        UIImage *playImageH = [UIImage imageNamed:@"playing_btn_play_h.png"];
        [_playButton setImage:playImage forState:UIControlStateNormal];
        [_playButton setImage:playImageH forState:UIControlStateHighlighted];
    }
}
- (void)btnClick:(UIButton *)btn{
    if (_isPlaying) {
        [_player pause];
    }else{
        [_player play];
    }
    _isPlaying =! _isPlaying;
    [self changeUIState];
}
@end
远程控制实例效果

 

这次笔记贴了很多代码，是因为这两个事件使用简单，理论知识不多，光讲理论，也不好理解，贴代码非常直观。

注：相关教程知识阅读请移步到IOS开发频道。