升级到v3.3.2

1. 完善SDK内部播放出错处理机制
2. 优化了demo流程，播放失败时自动切换备用线路                                                                                           3. 修复了demo中的一些bug

Demo/DWAudioPlayView.h

+//
+//  DWAudioPlayView.h
+//  Demo
+//
+//  Created by luyang on 2017/11/9.
+//  Copyright © 2017年 com.bokecc.www. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@protocol DWAudioPlayViewDelegate <NSObject>
+
+@optional
+
+- (void)audioPlayViewBackAction;
+
+- (void)audioPlayViewDownloadAction;
+
+- (void)audioPlayViewRateAction;
+
+- (void)durationPlayViewSliderMoving;
+
+- (void)playPlayViewBtnAction;
+
+//回退15s
+- (void)fallbackPlayViewBtnAction;
+
+//前进15s
+- (void)farwardPlayViewBtnAction;
+
+
+@end
+
+
+
+@interface DWAudioPlayView : UIView
+
+@property (nonatomic,strong)UIImageView *imageView;
+@property (nonatomic,strong)UIButton *backBtn;
+
+@property (nonatomic,strong)UIButton *downloadBtn;
+@property (nonatomic,strong)UILabel *titleLabel;
+@property (nonatomic,strong)UIButton *farwardBtn;//向前
+@property (nonatomic,strong)UIButton *fallbackBtn;//回退
+@property (nonatomic,strong)UIView *leftView;
+@property (nonatomic,strong)UIView *rightView;
+
+@property (nonatomic,strong)UIButton *playBtn;
+@property (nonatomic,strong)UIButton *rateBtn;
+
+@property (nonatomic,strong)UILabel *playLabel;
+@property (nonatomic,strong)UILabel *totalLabel;
+
+@property (nonatomic,strong)UISlider *audioSlider;
+
+@property (nonatomic,strong)UIProgressView *progressView;
+
+//滑动条是否滑动
+@property (nonatomic,assign,readonly)BOOL isAudioSlidering;
+
+
+@property (nonatomic,weak)id<DWAudioPlayViewDelegate> delegate;
+
+@end

Demo/DWAudioPlayView.m

+//
+//  DWAudioPlayView.m
+//  Demo
+//
+//  Created by luyang on 2017/11/9.
+//  Copyright © 2017年 com.bokecc.www. All rights reserved.
+//
+
+#import "DWAudioPlayView.h"
+
+
+@interface DWAudioPlayView()
+
+//滑动条是否滑动
+@property (nonatomic,assign)BOOL isAudioSlidering;
+
+@end
+
+@implementation DWAudioPlayView
+
+- (instancetype )initWithFrame:(CGRect)frame{
+   
+    self =[super initWithFrame:frame];
+    if (self) {
+        
+        [self loadSubviews];
+    }
+    
+    return self;
+}
+
+- (void)loadSubviews{
+    
+    _imageView =[[UIImageView alloc]init];
+    _imageView.image =[UIImage imageNamed:@"bgImage"];
+    [self addSubview:_imageView];
+    [_imageView mas_makeConstraints:^(MASConstraintMaker *make) {
+        
+        make.edges.mas_equalTo(self);
+    }];
+    
+    _backBtn =[self creatButtonWithImageName:@"player-back-button.png" selector:@selector(audioBackAction:)];
+    [self addSubview:_backBtn];
+    [_backBtn mas_makeConstraints:^(MASConstraintMaker *make) {
+      
+        make.height.width.mas_equalTo(25);
+        make.left.mas_equalTo(self.mas_left).offset(12);
+        make.top.mas_equalTo(self.mas_top).offset(7);
+        
+        
+    }];
+    
+    _titleLabel =[[UILabel alloc]init];
+    _titleLabel.text =@"我是音频";
+    _titleLabel.font =[UIFont systemFontOfSize:13];
+    _titleLabel.textColor =[UIColor whiteColor];
+    [self addSubview:_titleLabel];
+    [_titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+       
+        make.left.mas_equalTo(_backBtn.mas_right);
+        make.height.mas_equalTo(14);
+        make.width.mas_equalTo(512/2);
+        make.centerY.mas_equalTo(_backBtn);
+    }];
+    
+    
+    _downloadBtn =[self creatButtonWithImageName:@"download_ic" selector:@selector(audioDownloadAction:)];
+    [self addSubview:_downloadBtn];
+    [_downloadBtn mas_makeConstraints:^(MASConstraintMaker *make) {
+        
+        make.height.width.mas_equalTo(30);
+        make.centerY.mas_equalTo(_backBtn);
+        make.right.mas_equalTo(self.mas_right).offset(-12);
+        
+        
+    }];
+    
+    _rateBtn =[self creatButtonWithImageName:@"" selector:@selector(audioRateAction:)];
+    _rateBtn.tag =101;
+    _rateBtn.layer.cornerRadius =2;
+    _rateBtn.layer.masksToBounds =YES;
+    [self addSubview:_rateBtn];
+    [_rateBtn setTitle:@"语速X1.0" forState:UIControlStateNormal];
+    _rateBtn.titleLabel.font =[UIFont systemFontOfSize:12];
+    [_rateBtn mas_makeConstraints:^(MASConstraintMaker *make) {
+        
+        make.width.mas_equalTo(124/2);
+        make.height.mas_equalTo(50/2);
+        make.top.mas_equalTo(self.mas_top).offset(134/2);
+        make.centerX.mas_equalTo(self);
+        
+        
+    }];
+    
+    _progressView =[[UIProgressView alloc]initWithFrame:CGRectMake((ScreenWidth -620/2)/2,self.center.y, 620/2, 30)];
+    _progressView.progressTintColor =[DWTools colorWithHexString:@"#999999"];
+    _progressView.trackTintColor =[UIColor whiteColor];
+    [self addSubview:_progressView];
+    
+    _audioSlider =[[UISlider alloc]init];
+    [self addSubview:_audioSlider];
+    _audioSlider.minimumValue = 0.0f;
+    _audioSlider.maximumValue = 1.0f;
+    _audioSlider.value = 0.0f;
+    _audioSlider.continuous = NO;
+
+    [_audioSlider setMaximumTrackTintColor:[UIColor clearColor]];
+    [_audioSlider setMinimumTrackTintColor:[DWTools colorWithHexString:@"#ff6633"]];
+    [ _audioSlider setThumbImage:[UIImage imageNamed:@"player-slider-handle"]
+                              forState:UIControlStateNormal];
+    
+    [_audioSlider addTarget:self action:@selector(durationSliderMoving:) forControlEvents:UIControlEventValueChanged | UIControlEventTouchUpInside | UIControlEventTouchUpOutside];
+  
+   [ _audioSlider addTarget:self action:@selector(durationSliderEnded:) forControlEvents:   UIControlEventTouchCancel];
+
+    [ _audioSlider addTarget:self action:@selector(durationSliderBegan:) forControlEvents:UIControlEventTouchDown];
+    
+    
+    [_audioSlider mas_makeConstraints:^(MASConstraintMaker *make) {
+        
+        make.width.mas_equalTo(620/2);
+        make.height.mas_equalTo(30);
+        make.center.mas_equalTo(self);
+        
+    }];
+    
+   
+   
+    
+    _playLabel =[[UILabel alloc]init];
+    _playLabel.font =[UIFont systemFontOfSize:11];
+    _playLabel.textColor =[UIColor whiteColor];
+    _playLabel.text =@"00:00:00";
+    [self addSubview:_playLabel];
+    [_playLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        
+        make.left.mas_equalTo(_audioSlider.mas_left);
+        make.width.mas_equalTo(76);
+        make.height.mas_equalTo(12);
+        make.top.mas_equalTo(_audioSlider.mas_bottom).offset(25/2);
+        
+        
+    }];
+    
+    _totalLabel =[[UILabel alloc]init];
+    _totalLabel.font =[UIFont systemFontOfSize:11];
+    _totalLabel.text =@"00:00:00";
+    _totalLabel.textColor =[UIColor whiteColor];
+    _totalLabel.textAlignment =NSTextAlignmentRight;
+    [self addSubview:_totalLabel];
+    [_totalLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+       
+        make.height.width.top.mas_equalTo(_playLabel);
+        make.right.mas_equalTo(_audioSlider.mas_right);
+        
+    }];
+    
+    _playBtn =[self creatButtonWithImageName:@"play" selector:@selector(playBtnAction:)];
+    [_playBtn setImage:[UIImage imageNamed:@"pause"] forState:UIControlStateSelected];
+    _playBtn.layer.cornerRadius =89/2/2;
+    _playBtn.layer.masksToBounds =YES;
+    [self addSubview:_playBtn];
+    [_playBtn mas_makeConstraints:^(MASConstraintMaker *make) {
+       
+        make.centerX.mas_equalTo(self);
+        make.height.width.mas_equalTo(89/2);
+        make.top.mas_equalTo(_playLabel.mas_bottom).offset(30/2);
+        
+    }];
+    
+    _leftView =[[UIView alloc]init];
+    _leftView.backgroundColor =[DWTools colorWithHexString:@"#ffffff"];
+    _leftView.alpha =0.3;
+    [self addSubview:_leftView];
+    [_leftView mas_makeConstraints:^(MASConstraintMaker *make) {
+        
+        make.height.mas_equalTo(58/2);
+        make.width.mas_equalTo(3/2);
+        make.centerY.mas_equalTo(_playBtn);
+        make.right.mas_equalTo(_playBtn.mas_left).offset(-70/2);
+        
+        
+    }];
+    
+    
+    _rightView =[[UIView alloc]init];
+    _rightView.backgroundColor =[DWTools colorWithHexString:@"#ffffff"];
+    _rightView.alpha =0.3;
+    [self addSubview:_rightView];
+    [_rightView mas_makeConstraints:^(MASConstraintMaker *make) {
+        
+        make.height.mas_equalTo(58/2);
+        make.width.mas_equalTo(3/2);
+        make.centerY.mas_equalTo(_playBtn);
+        make.left.mas_equalTo(_playBtn.mas_right).offset(70/2);
+        
+        
+    }];
+    
+    //回退15s
+    _fallbackBtn =[self creatButtonWithImageName:@"fallback" selector:@selector(fallbackBtnAction:)];
+    _fallbackBtn.layer.cornerRadius =1.5;
+    _fallbackBtn.layer.masksToBounds =YES;
+    [self addSubview:_fallbackBtn];
+    [_fallbackBtn mas_makeConstraints:^(MASConstraintMaker *make) {
+       
+        make.height.mas_equalTo(53/2);
+        make.width.mas_equalTo(71/2);
+        make.centerY.mas_equalTo(_playBtn);
+        make.right.mas_equalTo(_leftView.mas_left).offset(-65/2);
+        
+    }];
+    
+    //前进15s
+    _farwardBtn =[self creatButtonWithImageName:@"farward" selector:@selector(farwardBtnAction:)];
+    _farwardBtn.layer.cornerRadius =1.5;
+    _farwardBtn.layer.masksToBounds =YES;
+    [self addSubview:_farwardBtn];
+    [_farwardBtn mas_makeConstraints:^(MASConstraintMaker *make) {
+        
+        make.height.mas_equalTo(53/2);
+        make.width.mas_equalTo(71/2);
+        make.centerY.mas_equalTo(_playBtn);
+        make.left.mas_equalTo(_rightView.mas_right).offset(65/2);
+        
+    }];
+    
+    
+}
+
+//关闭
+- (void)audioBackAction:(UIButton *)sender{
+    
+    if (_delegate && [_delegate respondsToSelector:@selector(audioPlayViewBackAction)]) {
+        
+        [_delegate audioPlayViewBackAction];
+    }
+    
+}
+
+- (void)audioDownloadAction:(UIButton *)sender{
+    
+    if (_delegate && [_delegate respondsToSelector:@selector(audioPlayViewDownloadAction)]) {
+        
+        [_delegate audioPlayViewDownloadAction];
+    }
+
+    
+    
+}
+
+- (void)audioRateAction:(UIButton *)sender{
+    
+    if (_delegate && [_delegate respondsToSelector:@selector(audioPlayViewRateAction)]) {
+        
+        [_delegate audioPlayViewRateAction];
+    }
+
+    
+    
+}
+
+- (void)durationSliderMoving:(UISlider *)slider{
+    
+    self.isAudioSlidering =NO;
+    if (_delegate && [_delegate respondsToSelector:@selector(durationPlayViewSliderMoving)]) {
+        
+        [_delegate durationPlayViewSliderMoving];
+    }
+    
+   
+    
+    
+}
+
+- (void)durationSliderEnded:(UISlider *)slider{
+    
+   self.isAudioSlidering =NO;
+    
+}
+
+- (void)durationSliderBegan:(UISlider *)slider{
+    
+   self.isAudioSlidering =YES;
+}
+
+- (void)playBtnAction:(UIButton *)sender{
+    
+    if (_delegate && [_delegate respondsToSelector:@selector(playPlayViewBtnAction)]) {
+        
+        [_delegate playPlayViewBtnAction];
+    }
+    
+    
+}
+
+//回退15s
+- (void)fallbackBtnAction:(UIButton *)sender{
+    
+    
+    if (_delegate && [_delegate respondsToSelector:@selector(fallbackPlayViewBtnAction)]) {
+        
+        [_delegate fallbackPlayViewBtnAction];
+    }
+    
+    
+}
+
+//前进15s
+- (void)farwardBtnAction:(UIButton *)sender{
+    
+    if (_delegate && [_delegate respondsToSelector:@selector(farwardPlayViewBtnAction)]) {
+        
+        [_delegate farwardPlayViewBtnAction];
+    }
+    
+}
+
+
+- (UIButton *)creatButtonWithImageName:(NSString *)imageName selector:(SEL )selector{
+    
+    UIButton *btn =[UIButton buttonWithType:UIButtonTypeCustom];
+    [btn setImage:[UIImage imageNamed:imageName] forState:UIControlStateNormal];
+    [btn addTarget:self action:selector forControlEvents:UIControlEventTouchUpInside];
+    [self addSubview:btn];
+    
+    return btn;
+    
+}
+
+@end

Demo/DWBottomView.h

+//
+//  DWBottomView.h
+//  Demo
+//
+//  Created by luyang on 2017/11/9.
+//  Copyright © 2017年 com.bokecc.www. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@protocol DWBottomViewDelegate <NSObject>
+
+@optional
+
+- (void)videoBottomViewPlayAction;
+
+- (void)audioBottomViewPlayAction;
+
+@end
+
+
+
+@interface DWBottomView : UIView
+
+@property (nonatomic,assign)CGFloat height;
+@property (nonatomic,assign)CGFloat width;
+
+@property (nonatomic,strong)UIView *verticalView;//垂直
+
+@property (nonatomic,strong)UIView *horizontallyView;//水平
+
+@property (nonatomic,strong)UIButton *videoBtn;
+
+@property (nonatomic,strong)UIButton *audioBtn;
+
+@property (nonatomic,weak)id <DWBottomViewDelegate> delegate;
+
+- (void)audioPlay:(UIButton *)sender;
+
+
+@end

Demo/DWBottomView.m

+//
+//  DWBottomView.m
+//  Demo
+//
+//  Created by luyang on 2017/11/9.
+//  Copyright © 2017年 com.bokecc.www. All rights reserved.
+//
+
+#import "DWBottomView.h"
+
+@interface DWBottomView()
+
+@end
+
+
+@implementation DWBottomView
+
+- (instancetype)initWithFrame:(CGRect)frame{
+    
+    self =[super initWithFrame:frame];
+    
+    if (self) {
+      
+        
+        _height =frame.size.height;
+        _width =frame.size.width;
+        [self loadSubviews];
+    }
+    
+    return self;
+    
+}
+
+- (void)loadSubviews{
+    
+    _videoBtn =[self creatButtonWithTitle:@"视频播放" selector:@selector(videoPlay:) frame:CGRectMake((_width/2-53)/2, 13,53, 13)];
+    _videoBtn.selected =YES;
+    
+    _audioBtn =[self creatButtonWithTitle:@"音频播放" selector:@selector(audioPlay:) frame:CGRectMake((_width/2-53)/2+_width/2, 13,53, 13)];
+    
+    _verticalView =[[UIView alloc]initWithFrame:CGRectMake((_width -1)/2, 10, 0.5, 19)];
+    _verticalView.backgroundColor =[DWTools colorWithHexString:@"#ffffff"];
+    _verticalView.alpha =0.3;
+    [self addSubview:_verticalView];
+    
+    _horizontallyView =[[UIView alloc]init];
+    _horizontallyView.backgroundColor =[DWTools colorWithHexString:@"#ffffff"];
+  //  _horizontallyView.alpha =0.4;
+    [self addSubview:_horizontallyView];
+    [_horizontallyView mas_remakeConstraints:^(MASConstraintMaker *make) {
+      
+        make.top.mas_equalTo(_videoBtn.mas_bottom).offset(4.5);
+        make.left.right.mas_equalTo(_videoBtn);
+        make.height.mas_equalTo(1);
+        
+    }];
+    
+    
+    
+}
+
+
+
+- (void)videoPlay:(UIButton *)sender{
+    
+    _audioBtn.selected =NO;
+    _videoBtn.selected =YES;
+    
+    [self remakeConstraints:sender];
+    
+    if (_delegate && [_delegate respondsToSelector:@selector(videoBottomViewPlayAction)]) {
+        
+        [_delegate videoBottomViewPlayAction];
+        
+    }
+}
+
+
+
+- (void)audioPlay:(UIButton *)sender{
+    
+    _audioBtn.selected =YES;
+    _videoBtn.selected =NO;
+    
+    [self remakeConstraints:sender];
+    
+    if (_delegate && [_delegate respondsToSelector:@selector(audioBottomViewPlayAction)]) {
+        
+        [_delegate audioBottomViewPlayAction];
+        
+    }
+    
+    
+}
+
+- (void)remakeConstraints:(UIButton *)sender{
+    
+    [_horizontallyView mas_remakeConstraints:^(MASConstraintMaker *make) {
+        
+        make.top.mas_equalTo(sender.mas_bottom).offset(4.5);
+        make.left.right.mas_equalTo(sender);
+        make.height.mas_equalTo(1);
+        
+    }];
+    
+    
+}
+
+- (UIButton *)creatButtonWithTitle:(NSString *)title selector:(SEL )selector frame:(CGRect )frame{
+    
+    UIButton *btn =[UIButton buttonWithType:UIButtonTypeCustom];
+    [btn setTitle:title forState:UIControlStateNormal];
+    [btn setTitleColor:[UIColor lightGrayColor] forState:UIControlStateNormal];
+    [btn setTitleColor:[UIColor whiteColor] forState:UIControlStateSelected];
+    [btn addTarget:self action:selector forControlEvents:UIControlEventTouchUpInside];
+    btn.titleLabel.font =[UIFont systemFontOfSize:12];
+  //  btn.alpha =0.5;
+    btn.frame =frame;
+    [self addSubview:btn];
+    
+    return btn;
+    
+}
+
+
+@end

Demo/DWDifferentCell.h

+//
+//  DWDifferentCell.h
+//  Demo
+//
+//  Created by luyang on 2018/5/9.
+//  Copyright © 2018年 com.bokecc.www. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import "DWQuestionModel.h"
+
+@interface DWDifferentCell : UITableViewCell
+
+@property (nonatomic,strong)DWQuestionModel *questionModel;
+
+@property (nonatomic,assign)CGFloat tableViewWidth;
+
+@end

Demo/DWDifferentCell.m

+//
+//  DWDifferentCell.m
+//  Demo
+//
+//  Created by luyang on 2018/5/9.
+//  Copyright © 2018年 com.bokecc.www. All rights reserved.
+//
+
+#import "DWDifferentCell.h"
+#import "DWAnswerModel.h"
+
+@interface DWDifferentCell(){
+    
+    UILabel *questionLabel;
+    UIView *rightView;
+}
+
+
+
+@end
+