AVAudioPlayer简易封装

 

[说明]

AVAudioPlayer简易封装,仅仅支持播放,暂停,停止,暂停时候带有渐隐效果,自己用,没有参考价值.

 

[源码]

 

一个定时器的封装类源码(该定时器可以指定运行的次数)

////  SpecialTimer.h//  Music////  Created by XianMingYou on 15/4/13.//  Copyright (c) 2015年 XianMingYou. All rights reserved.//#import 
     
      @class SpecialTimer;@protocol SpecialTimerDelegate 
      
       @optional- (void)specialTimer:(SpecialTimer *)specialTimer CurrentCount:(NSInteger)count;@end@interface SpecialTimer : NSObject/** *  定时器代理 */@property (nonatomic, weak) id
       
           delegate;/** *  重复执行的次数 */@property (nonatomic) NSInteger                        repeatTimes;/** *  定时器执行的总时间 */@property (nonatomic) NSTimeInterval                   totalDuration;/** *  激活定时器 */- (void)fire;/** *  让定时器无效 */- (void)invalid;@end
       
      
     

////  SpecialTimer.m//  Music////  Created by XianMingYou on 15/4/13.//  Copyright (c) 2015年 XianMingYou. All rights reserved.//#import "SpecialTimer.h"@interface SpecialTimer ()@property (nonatomic)         NSInteger   count;@property (nonatomic, strong) NSTimer    *timer;@end@implementation SpecialTimer- (void)fire {    // 参数没有配置就返回    if (self.repeatTimes <= 0 || self.totalDuration <= 0) {        return;    }        // 计数时间间隔    NSTimeInterval timeInterval = self.totalDuration / self.repeatTimes;        // 开启定时器    self.timer = [NSTimer scheduledTimerWithTimeInterval:timeInterval                                                  target:self                                                selector:@selector(timerEvent)                                                userInfo:nil                                                 repeats:YES];}- (void)timerEvent {    // 运行代理    if (_delegate || [_delegate respondsToSelector:@selector(specialTimer:CurrentCount:)]) {        [_delegate specialTimer:self CurrentCount:_count];    }        _count++;    if (_count >= _repeatTimes) {        _count = 0;        [self.timer invalidate];    }}- (void)invalid {    [self.timer invalidate];}@end