在iOS應用中的音頻播放：AZSoundManager

Intro

AZSoundManager is a simple tool for playing sound and music in iOS apps.

Installation

To use the AZSoundManager:

1. Just drag the class files into your project:

   AZSoundManager.h AZSoundManager.m AZSoundItem.h AZSoundItem.m

2. Add the AVFoundation framework.

Classes

The AZSoundManager package defines two classes: AZSoundManager and AZSoundItem.

AZSoundItem properties

@property (nonatomic, readonly) NSString *name;

The name of the item.

@property (nonatomic, readonly) NSURL *URL;

The absolute URL of the sound file.

@property (nonatomic, readonly) NSTimeInterval duration;

The duration (in seconds) of the sound file.

@property (nonatomic, readonly) NSTimeInterval currentTime;

The current time offset (in seconds) of the sound file.

@property (nonatomic, readonly) NSString *title;

The title from metadata of item.

@property (nonatomic, readonly) NSString *album;

The album name from metadata of item.

@property (nonatomic, readonly) NSString *artist;

The artist name from metadata of item.

@property (nonatomic, readonly) UIImage *artwork;

The artwork image from metadata of item.

AZSoundItem creation

+ (instancetype)soundItemWithContentsOfFile:(NSString*)path;
- (instancetype)initWithContentsOfFile:(NSString*)path;
+ (instancetype)soundItemWithContentsOfURL:(NSURL*)URL;
- (instancetype)initWithContentsOfURL:(NSURL*)URL;

These methods create a new AZSoundItem instance from a file path or URL.

AZSoundManager properties

@property (nonatomic, readonly) AZSoundStatus status;

The status of audio player.

@property (nonatomic, readonly) AZSoundItem *currentItem;

The current item of audio player.

@property (nonatomic, assign) float volume;

The sound volume. Should be in the range 0 - 1.

Usage

Playing a sound

NSString *filePath = [[NSBundle mainBundle] pathForResource:@"demo" ofType:@"mp3"];
AZSoundItem *item = [AZSoundItem soundItemWithContentsOfFile:filePath];

[[AZSoundManager sharedManager] playSoundItem:item];

Preloading a sound

NSString *filePath = [[NSBundle mainBundle] pathForResource:@"demo" ofType:@"mp3"];
AZSoundItem *item = [AZSoundItem soundItemWithContentsOfFile:filePath];

[[AZSoundManager sharedManager] preloadSoundItem:item];
...
[[AZSoundManager sharedManager] play];

Playing actions

- (void)play;
- (void)pause;
- (void)stop;
- (void)restart;
- (void)playAtSecond:(NSTimeInterval)second;

Get actual info about playing item

NSString *filePath = [[NSBundle mainBundle] pathForResource:@"demo" ofType:@"mp3"];
AZSoundItem *item = [AZSoundItem soundItemWithContentsOfFile:filePath];

[[AZSoundManager sharedManager] playSoundItem:item];

[[AZSoundManager sharedManager] getItemInfoWithProgressBlock:^(AZSoundItem *item) {
    NSLog(@"Item duration: %ld - current time: %ld", (long)item.duration, (long)item.currentTime);
} completionBlock:^{
    NSLog(@"finish playing");
}];

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