//

//  ViewController.m

//  10-iOS中播放音效

//

//  Created by xiaomage on 15/12/26.

//  Copyright © 2015年 小码哥. All rights reserved.

//

#import "ViewController.h"

#import <AVFoundation/AVFoundation.h>

@interface ViewController ()

/**

 *  背景图片

 */

@property (weak, nonatomic) IBOutlet UIImageView *bgImageView;

/** 播放器 */

@property (nonatomic, strong) AVPlayer *player;

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // 1.加毛玻璃

    UIToolbar *toolbar = [[UIToolbar alloc] init];

    // 2. 设置frame

    toolbar.frame = self.bgImageView.bounds;

    // 3. 设置样式和透明度

    toolbar.barStyle = UIBarStyleBlack;

    toolbar.alpha = 0.98;

    // 4.加到背景图片上

    [self.bgImageView addSubview:toolbar];

    // 5.创建播放器

    /*

    NSString *path = [[NSBundle mainBundle] pathForResource:@"mySong1.mp3" ofType:nil];

    NSURL *url = [NSURL fileURLWithPath:path];

     */

    // 资源的URL地址

    NSURL *url = [[NSBundle mainBundle] URLForResource:@"mySong1.mp3" withExtension:nil];

    // 创建播放器曲目

    AVPlayerItem *playerItem = [[AVPlayerItem alloc] initWithURL:url];

    // 创建播放器

    self.player = [[AVPlayer alloc] initWithPlayerItem:playerItem];

}

/**

 *  播放/暂停

 *

 *  @param button 按钮

 */

- (IBAction)playOrPause:(UIButton *)button {

    switch (button.tag) {

        case :

            [self.player play]; // 播放

            break;

        case :

            [self.player pause]; // 暂停

            break;

        default:

            break;

    }

}

/**

 *  切换歌曲

 *

 *  @param button 按钮

 */

- (IBAction)changeMusic:(UIButton *)button {

    // 歌曲的名称

    NSString *musicName = nil;

    switch (button.tag) {

        case :// 上一首

            musicName = @"mySong2.mp3";

            break;

        case :// 下一首

            musicName = @"mySong3.mp3";

            break;

        default:

            break;

    }

    NSURL *url = [[NSBundle mainBundle] URLForResource:musicName withExtension:nil];

    AVPlayerItem *playerItem = [[AVPlayerItem alloc] initWithURL:url];

    [self.player replaceCurrentItemWithPlayerItem:playerItem];

    // 播放

    [self.player play];

}

@end