升级到 4.0.1

1.课堂练习功能。
2.支持m3u8格式，缓存时长控制。
3.修复了iPhone7及plus机型下，m3u8播放链接可能会返回有误的问题。

Demo/Demo/Classes/DWLocalPlayViewController.m

@@ -30,7 +30,6 @@
     [_playerView mas_makeConstraints:^(MASConstraintMaker *make) {
         make.edges.equalTo(self.view);
     }];
-    
     [self.playerView playLocalVideo:self.downloadModel];
     [self.playerView reLayoutWithScreenState:YES];
     
@@ -45,7 +44,7 @@
         make.edges.equalTo(self.view);
     }];
     [self.playerSkinView playLocalVideo:self.downloadModel];
-    */
+     */
     
 }
 
@@ -82,6 +81,7 @@
     [self.navigationController popViewControllerAnimated:YES];
 }
 
+/*
 -(void)videoPlayerSkin:(DWPlayerSkinView *)playerSkinView ReturnBackAction:(BOOL)backPortrait
 {
     [self.navigationController popViewControllerAnimated:YES];
@@ -91,6 +91,7 @@
 {
     [@"播放完成" showAlert];
 }
+ */
 
 /*
 #pragma mark - Navigation

Demo/Demo/Classes/DWMainViewController.m

@@ -69,7 +69,7 @@
         NSString * jsonString = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];
         NSArray * vodList = [NSJSONSerialization JSONObjectWithData:[jsonString dataUsingEncoding:NSUTF8StringEncoding] options:NSJSONReadingAllowFragments error:nil];
 
-        NSLog(@"%@",vodList);
+//        NSLog(@"%@",vodList);
         for (NSDictionary * vodDict in vodList) {
             DWVodModel * vodModel = [[DWVodModel alloc]init];
             vodModel.videoId = [vodDict objectForKey:@"videoId"];
@@ -97,8 +97,7 @@
     for (int i = 0; i < videos.count; i++) {
         DWVodModel * vodModel = [[DWVodModel alloc]init];
         vodModel.videoId = [videos objectAtIndex:i];
-//        vodModel.title = [videos objectAtIndex:i];
-        vodModel.title = @"展示title";
+        vodModel.title = [videos objectAtIndex:i];
         vodModel.time = @"展示time";
         vodModel.imageUrl = @"icon_placeholder.png";
         [self.videoList addObject:vodModel];

Demo/Demo/Classes/View/Exercises/DWExercisesAlertView.h

+//
+//  DWExercisesAlertView.h
+//  Demo
+//
+//  Created by zwl on 2019/6/11.
+//  Copyright © 2019 com.bokecc.www. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol DWExercisesAlertViewDelegate <NSObject>
+
+-(void)exercisesAlertViewReturn;
+-(void)exercisesAlertViewAnswer;
+
+@end
+
+@interface DWExercisesAlertView : UIView
+
+//@property(nonatomic,assign)CGFloat lastTime;
+
+@property(nonatomic,assign)id <DWExercisesAlertViewDelegate> delegate;
+
+-(void)show;
+
+-(void)dismiss;
+
+@end
+
+NS_ASSUME_NONNULL_END

Demo/Demo/Classes/View/Exercises/DWExercisesAlertView.m

+//
+//  DWExercisesAlertView.m
+//  Demo
+//
+//  Created by zwl on 2019/6/11.
+//  Copyright © 2019 com.bokecc.www. All rights reserved.
+//
+
+#import "DWExercisesAlertView.h"
+
+@implementation DWExercisesAlertView
+
+-(instancetype)init
+{
+    if (self == [super init]) {
+        
+//        self.lastTime = 0;
+        
+        self.backgroundColor = [UIColor colorWithWhite:0 alpha:0.7];
+        
+        UIView * bgView = [[UIView alloc]init];
+        bgView.backgroundColor = [UIColor whiteColor];
+        bgView.layer.cornerRadius = 4;
+        [self addSubview:bgView];
+        [bgView mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.center.equalTo(self);
+            make.width.equalTo(@285);
+            make.height.equalTo(@165);
+        }];
+        
+        UILabel * label = [[UILabel alloc]init];
+        label.text = @"请先完成练习";
+        label.font = TitleFont(15);
+        label.textColor = TitleColor_51;
+        label.textAlignment = NSTextAlignmentCenter;
+        [bgView addSubview:label];
+        [label mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.top.equalTo(@50);
+            make.centerX.equalTo(bgView);
+            make.width.equalTo(bgView);
+            make.height.equalTo(@15);
+        }];
+        
+        UIButton * returnButton = [UIButton buttonWithType:UIButtonTypeCustom];
+        [returnButton setTitle:@"返回听课" forState:UIControlStateNormal];
+        [returnButton setTitleColor:[UIColor colorWithRed:255/255.0 green:146/255.0 blue:10/255.0 alpha:1] forState:UIControlStateNormal];
+        returnButton.titleLabel.font = TitleFont(15);
+        returnButton.layer.cornerRadius = 20;
+        returnButton.layer.borderColor = [UIColor colorWithRed:255/255.0 green:146/255.0 blue:10/255.0 alpha:1].CGColor;
+        returnButton.layer.borderWidth = 1;
+        [returnButton addTarget:self action:@selector(returnButtonAction) forControlEvents:UIControlEventTouchUpInside];
+        [bgView addSubview:returnButton];
+        [returnButton mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.bottom.equalTo(@(-20));
+            make.right.equalTo(bgView.mas_centerX).offset(-7.5);
+            make.width.equalTo(@105);
+            make.height.equalTo(@40);
+        }];
+        
+        UIButton * nextButton = [UIButton buttonWithType:UIButtonTypeCustom];
+        [nextButton setTitle:@"直接做题" forState:UIControlStateNormal];
+        [nextButton setTitleColor:[UIColor colorWithRed:255/255.0 green:146/255.0 blue:10/255.0 alpha:1] forState:UIControlStateNormal];
+        nextButton.titleLabel.font = TitleFont(15);
+        nextButton.layer.cornerRadius = 20;
+        nextButton.layer.borderColor = [UIColor colorWithRed:255/255.0 green:146/255.0 blue:10/255.0 alpha:1].CGColor;
+        nextButton.layer.borderWidth = 1;
+        [nextButton addTarget:self action:@selector(nextButtonAction) forControlEvents:UIControlEventTouchUpInside];
+        [bgView addSubview:nextButton];
+        [nextButton mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.bottom.equalTo(@(-20));
+            make.left.equalTo(bgView.mas_centerX).offset(7.5);
+            make.width.equalTo(@105);
+            make.height.equalTo(@40);
+        }];        
+    }
+    return self;
+}
+
+-(void)show
+{
+    [[UIApplication sharedApplication].keyWindow addSubview:self];
+    [self mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.and.right.equalTo(@0);
+        make.top.and.bottom.equalTo(@0);
+    }];
+}
+
+-(void)dismiss
+{
+    [self removeFromSuperview];
+}
+
+-(void)returnButtonAction
+{
+    if ([self.delegate respondsToSelector:@selector(exercisesAlertViewReturn)]) {
+        [self.delegate exercisesAlertViewReturn];
+    }
+}
+
+-(void)nextButtonAction
+{
+    if ([self.delegate respondsToSelector:@selector(exercisesAlertViewAnswer)]) {
+        [self.delegate exercisesAlertViewAnswer];
+    }
+}
+
+/*
+// Only override drawRect: if you perform custom drawing.
+// An empty implementation adversely affects performance during animation.
+- (void)drawRect:(CGRect)rect {
+    // Drawing code
+}
+*/
+
+@end

Demo/Demo/Classes/View/Exercises/DWExercisesFinishView.h

+//
+//  DWExercisesFinishView.h
+//  Demo
+//
+//  Created by zwl on 2019/6/11.
+//  Copyright © 2019 com.bokecc.www. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+@class DWExercisesAccuracyButton;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol DWExercisesFinishViewDelegate <NSObject>
+
+@optional
+-(void)exercisesFinishViewResumePlay;
+
+@end
+
+@interface DWExercisesFinishView : UIView
+
+@property(nonatomic,weak) id <DWExercisesFinishViewDelegate> delegate;
+
+-(instancetype)initWithExercisesModel:(DWVideoExercisesModel *)exercisesModel;
+
+@end
+
+@interface DWExercisesFinishViewCell : UITableViewCell
+
+@property(nonatomic,strong)DWExercisesAccuracyButton * accuracyButton;
+
+-(void)setIndex:(NSInteger)index AndExercisesQuestionModel:(DWVideoExercisesQuestionModel *)quesitonModel;
+
+@end
+
+@interface DWExercisesAccuracyButton : UIButton
+
+-(void)setIsRight:(BOOL)isRight AndAccuracy:(NSInteger)accuracy;
+
+@end
+
+@interface DWExercisesAccuracyColorView : UIView
+
+@end
+
+@interface DWExercisesPromptView : UIView
+
+-(void)setTitle:(NSString *)title;
+
+@end
+
+NS_ASSUME_NONNULL_END

Demo/Demo/Classes/View/Exercises/DWExercisesFinishView.m

+//
+//  DWExercisesFinishView.m
+//  Demo
+//
+//  Created by zwl on 2019/6/11.
+//  Copyright © 2019 com.bokecc.www. All rights reserved.
+//
+
+#import "DWExercisesFinishView.h"
+
+@interface DWExercisesFinishView ()<UITableViewDelegate,UITableViewDataSource>
+
+@property(nonatomic,weak)DWVideoExercisesModel * exercisesModel;
+@property(nonatomic,strong)UITableView * tableView;
+@property(nonatomic,strong)DWExercisesPromptView * promptView;
+
+@end
+
+@implementation DWExercisesFinishView
+
+-(instancetype)initWithExercisesModel:(DWVideoExercisesModel *)exercisesModel
+{
+    if (self == [super init]) {
+        
+        self.exercisesModel = exercisesModel;
+        
+        [self initUI];
+    }
+    return self;
+}
+
+#pragma mark - action
+-(void)resumeButtonAction
+{
+    if ([_delegate respondsToSelector:@selector(exercisesFinishViewResumePlay)]) {
+        [_delegate exercisesFinishViewResumePlay];
+    }
+}
+
+-(void)accuracyButtonAction:(DWExercisesAccuracyButton *)button
+{
+    // 2000
+    button.selected = !button.selected;
+    
+    if (button.selected) {
+        //弹窗
+        self.promptView.hidden = NO;
+        
+        UITableViewCell * cell = [self.tableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:button.tag - 2000 inSection:0]];
+        CGRect buttonRect = [self convertRect:button.frame fromView:cell];
+
+        DWVideoExercisesQuestionModel * questionMdoel = [self.exercisesModel.questions objectAtIndex:button.tag - 2000];
+        NSString * title = [NSString stringWithFormat:@"居然有%ld%%的人答%@了",questionMdoel.isCorrect ? questionMdoel.accuracy : 100 - questionMdoel.accuracy,questionMdoel.isCorrect ? @"对" : @"错"];
+        [self.promptView setTitle:title];
+        [_promptView mas_updateConstraints:^(MASConstraintMaker *make) {
+            make.top.equalTo(@(buttonRect.origin.y - 42 - 5));
+        }];
+        
+        DWExercisesAccuracyButton * preButton = (DWExercisesAccuracyButton *)[self.tableView viewWithTag:self.promptView.tag - 1000];
+        if (preButton && preButton != button) {
+            preButton.selected = NO;
+        }
+        
+    }else{
+        //清除弹窗
+        self.promptView.hidden = YES;
+    }
+    
+    self.promptView.tag = 1000 + button.tag;
+}
+
+#pragma mark - delegate
+-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
+{
+    return self.exercisesModel.questions.count;
+}
+
+-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    return 48;
+}
+
+-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    DWExercisesFinishViewCell * cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];
+    if (!cell) {
+        cell = [[DWExercisesFinishViewCell alloc]initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"cell"];
+        [cell.accuracyButton addTarget:self action:@selector(accuracyButtonAction:) forControlEvents:UIControlEventTouchUpInside];
+    }
+    [cell setIndex:indexPath.row AndExercisesQuestionModel:[self.exercisesModel.questions objectAtIndex:indexPath.row]];
+    cell.accuracyButton.tag = 2000 + indexPath.row;
+    return cell;
+}
+
+#pragma mark - initUI
+-(void)initUI
+{
+    UILabel * headLabel = [[UILabel alloc]init];
+    headLabel.font = TitleFont(15);
+    headLabel.textColor = TitleColor_51;
+    headLabel.textAlignment = NSTextAlignmentCenter;
+    [self addSubview:headLabel];
+    [headLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(@0);
+        make.right.equalTo(@0);
+        make.height.equalTo(@15);
+        make.top.equalTo(@34);
+    }];
+    
+    UITableView * tableView = [[UITableView alloc]init];
+    tableView.delegate = self;
+    tableView.dataSource = self;
+    tableView.allowsSelection = NO;
+    tableView.separatorStyle = UITableViewCellSelectionStyleNone;
+    [self addSubview:tableView];
+    [tableView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(headLabel);
+        make.right.equalTo(headLabel);
+        make.top.equalTo(headLabel.mas_bottom).offset(22.5);
+        make.bottom.equalTo(@(-65));
+    }];
+    self.tableView = tableView;
+    
+    UIButton * resumeButton = [UIButton buttonWithType:UIButtonTypeCustom];
+    [resumeButton setTitle:@"继续播放" forState:UIControlStateNormal];
+    resumeButton.titleLabel.font = TitleFont(15);
+    [resumeButton setTitleColor:[UIColor colorWithRed:81/255.0 green:168/255.0 blue:242/255.0 alpha:1.0] forState:UIControlStateNormal];
+    resumeButton.layer.cornerRadius = 35 / 2.0;
+    resumeButton.layer.borderWidth = 1;
+    resumeButton.layer.borderColor = [UIColor colorWithRed:81/255.0 green:168/255.0 blue:242/255.0 alpha:1.0].CGColor;
+    [resumeButton addTarget:self action:@selector(resumeButtonAction) forControlEvents:UIControlEventTouchUpInside];
+    [self addSubview:resumeButton];
+    [resumeButton mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.centerX.equalTo(self);
+        make.width.equalTo(@125);
+        make.height.equalTo(@35);
+        make.top.equalTo(tableView.mas_bottom).offset(20);
+    }];
+    
+    __block NSInteger correctNum = 0;
+    [self.exercisesModel.questions enumerateObjectsUsingBlock:^(DWVideoExercisesQuestionModel * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
+        if (obj.isCorrect) {
+            correctNum++;
+        }
+    }];
+    NSString * headStr = [NSString stringWithFormat:@"您答对%ld题，共%ld题",correctNum,self.exercisesModel.questions.count];
+    NSMutableAttributedString * attr = [[NSMutableAttributedString alloc]initWithString:headStr];
+    [attr addAttribute:NSForegroundColorAttributeName value:[UIColor colorWithRed:139/255.0 green:192/255.0 blue:75/255.0 alpha:1.0] range:NSMakeRange(3, 1)];
+    [attr addAttribute:NSFontAttributeName value:[UIFont boldSystemFontOfSize:15] range:NSMakeRange(3, 1)];
+    headLabel.attributedText = attr;
+    
+    [tableView reloadData];
+    
+    self.promptView = [[DWExercisesPromptView alloc]init];
+    [self addSubview:self.promptView];
+    self.promptView.hidden = YES;
+    [self.promptView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(@0);
+        make.width.equalTo(@169);
+        make.right.equalTo(@(-42));
+        make.height.equalTo(@42);
+    }];
+}
+
+/*
+// Only override drawRect: if you perform custom drawing.
+// An empty implementation adversely affects performance during animation.
+- (void)drawRect:(CGRect)rect {
+    // Drawing code
+}
+*/
+
+@end
+
+@interface DWExercisesFinishViewCell ()
+
+@property(nonatomic,strong)UILabel * indexLabel;
+
+@end
+
+@implementation DWExercisesFinishViewCell
+
+-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier
+{
+    if (self == [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
+        
+        self.indexLabel = [[UILabel alloc]init];
+        self.indexLabel.font = TitleFont(15);
+        self.indexLabel.textColor = TitleColor_102;
+        [self.contentView addSubview:self.indexLabel];
+        [_indexLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(@101);
+            make.centerY.equalTo(self);
+            make.height.equalTo(@15);
+            make.width.equalTo(@40);
+        }];
+        
+        self.accuracyButton = [[DWExercisesAccuracyButton alloc]init];
+        [self.contentView addSubview:self.accuracyButton];
+        [_accuracyButton mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(self.indexLabel.mas_right).offset(15);
+            make.centerY.equalTo(self);
+            make.height.equalTo(@29);
+            make.right.equalTo(@(-100));
+        }];
+        
+    }
+    return self;
+}
+
+-(void)setIndex:(NSInteger)index AndExercisesQuestionModel:(DWVideoExercisesQuestionModel *)quesitonModel
+{
+    self.indexLabel.text = [NSString stringWithFormat:@"第%ld题",index + 1];
+    
+    [self.accuracyButton setIsRight:quesitonModel.isCorrect AndAccuracy:quesitonModel.accuracy];
+}
+
+@end
+
+@interface DWExercisesAccuracyButton ()
+
+@property(nonatomic,strong)DWExercisesAccuracyColorView * bgView;
+@property(nonatomic,strong)UILabel * accuracyLabel;
+@property(nonatomic,strong)UIImageView * leftImageView;
+@property(nonatomic,strong)UIImageView * rightImageView;
+
+@end
+
+@implementation DWExercisesAccuracyButton
+
+-(instancetype)init
+{
+    if (self == [super init]) {
+        
+        self.layer.cornerRadius = YES;
+        self.layer.cornerRadius = 29 / 2.0;
+        self.backgroundColor = [UIColor colorWithRed:230/255.0 green:230/255.0 blue:230/255.0 alpha:1.0];
+        
+        self.bgView = [[DWExercisesAccuracyColorView alloc]init];
+        self.bgView.layer.cornerRadius = self.layer.cornerRadius;
+        [self addSubview:self.bgView];
+        [_bgView mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.width.equalTo(@0);
+            make.height.equalTo(self);
+            make.centerY.equalTo(self);
+            make.left.equalTo(@0);
+        }];
+        
+        self.leftImageView = [[UIImageView alloc]init];
+        self.leftImageView.image = [UIImage imageNamed:@"icon_exercises_statistics_right.png"];
+        self.leftImageView.hidden = YES;
+        [self addSubview:self.leftImageView];
+        [_leftImageView mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(@2);
+            make.centerY.equalTo(self);
+            make.width.and.height.equalTo(@24);
+        }];
+        
+        self.accuracyLabel = [[UILabel alloc]init];
+        self.accuracyLabel.font = [UIFont boldSystemFontOfSize:13];
+        self.accuracyLabel.textColor = [UIColor whiteColor];
+        [self addSubview:self.accuracyLabel];
+        [_accuracyLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(@29);
+            make.right.equalTo(@(-29));
+            make.centerY.equalTo(self);
+            make.height.equalTo(self);
+        }];
+        
+        self.rightImageView = [[UIImageView alloc]init];
+        self.rightImageView.image = [UIImage imageNamed:@"icon_exercises_statistics_error.png"];
+        self.rightImageView.hidden = YES;
+        [self addSubview:self.rightImageView];
+        [_rightImageView mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.right.equalTo(@(-2));
+            make.centerY.equalTo(self);
+            make.width.and.height.equalTo(@24);
+        }];
+        
+    }
+    return self;
+}
+
+-(void)setIsRight:(BOOL)isRight AndAccuracy:(NSInteger)accuracy
+{
+    CGFloat percentage = (isRight ? accuracy : (100 - accuracy)) / 100.0;
+    CGFloat viewWidth = ((MAX(ScreenWidth, ScreenHeight) - 70) - 101 - 40 - 15 - 100) * percentage;
+    if (viewWidth < 67) {
+        viewWidth = 67;
+    }
+    
+    if (isRight) {
+        
+        self.accuracyLabel.text = [NSString stringWithFormat:@"%ld%%",accuracy];
+
+        self.bgView.backgroundColor = [UIColor colorWithRed:139/255.0 green:192/255.0 blue:75/255.0 alpha:1.0];
+        [_bgView mas_remakeConstraints:^(MASConstraintMaker *make) {
+            make.height.equalTo(self);
+            make.centerY.equalTo(self);
+            make.left.equalTo(@0);
+            make.width.equalTo(@(viewWidth));
+        }];
+        
+        self.leftImageView.hidden = NO;
+        self.rightImageView.hidden = YES;
+        
+        self.accuracyLabel.textAlignment = NSTextAlignmentLeft;
+    }else{
+        
+        self.accuracyLabel.text = [NSString stringWithFormat:@"%ld%%",100 - accuracy];
+
+        self.bgView.backgroundColor = [UIColor colorWithRed:228/255.0 green:79/255.0 blue:90/255.0 alpha:1.0];