ScreenPop

/**
 导航控制器
 默认为当前window的导航控制器
 */
@property (nonatomic, strong, nullable) UINavigationController *navigationController;

/**
 拖动时，背景颜色
 默认为0x999999
 */
@property (nonatomic, strong, nullable) UIColor *backGroundColor;

/**
 背景颜色alpha
 默认为0.5
 */
@property (nonatomic, assign) CGFloat backGroundAlpha;

/**
 拖动时展示的图片
 建议填写，否则无图片
 */
@property (nonatomic, copy, nonnull) NSString *returnImageName;

/**
 用于修改拖动时展示的图片的颜色
 默认为不变色即nil
 */
@property (nonatomic, retain, nullable) UIColor *imageColor;


/**
 用于修改拖动时展示返回首页的图片的颜色
 默认为不变色即nil
 */
@property (nonatomic, retain, nullable) UIColor *homeImageColor;

/**
 是否跟随手势位置移动
 默认为YES
 */
@property (nonatomic, assign) BOOL isFollowGesturePosition;

/**
 是否可以返回首页
 默认为YES
 */
@property (nonatomic, assign) BOOL isCanPopToRootViewController;


/**
 返回首页拖动时展示的图片
 isCanPopToRootViewController为YES时，建议填写
 */
@property (nonatomic, copy, nullable) NSString *returnHomeImageName;

/**
 返回首页用时
 默认为1秒
 */
@property (nonatomic, assign) CGFloat returnHomeTime;

/**
 是否执行返回动画
 默认为：YES
 */
@property (nonatomic, assign) BOOL isShowPopAnimated;

/// 单例
+ (instancetype)shareManager;

/// 注册
/// @param config 配置信息
/// @param block 注册回调
- (void)registerManagerWithConfig:(PopGestureRecognizerManagerConfiger * __nullable)config completeBlock:(void(^ __nullable)(BOOL isSuccess, NSString *failString))block;


///调用试例
[[PopGestureRecognizerManager shareManager] registerManagerWithConfig:nil completeBlock:^(BOOL isSuccess, NSString *failString) {
      NSLog(@"%@",failString);
 }];

[PopGestureRecognizerManager shareManager].config.retuenImageName = @"xxx";

//设置允许返回首页
[PopGestureRecognizerManager shareManager].config.isCanPopToRootViewController = YES;
//设置返回首页时展示的图片
[PopGestureRecognizerManager shareManager].config.returnHomeImageName = @"xxx";
//设置返回首页停留时间
[PopGestureRecognizerManager shareManager].config.returnHomeTime = 1;

//设置左滑时的背景颜色
[PopGestureRecognizerManager shareManager].config.backGroundColor = xxx;

//设置滑动背景透明度
[PopGestureRecognizerManager shareManager].config.backGroundAlpha = 0.3f;

//设置拖动展示的图片的颜色
//如果未指定，将保持原有的图片颜色
[PopGestureRecognizerManager shareManager].config.imageColor = xxx;

/// 返回时代理
/// 重写返回按钮时，可实现此方法处理数据
/// @param lastController 上一个controller
/// @param currentController 当前controller
/// @return 是否自动返回上一个controller
- (BOOL)CM_GestureRecognizerPopLastController:(UIViewController *)lastController currentController:(UIViewController *)currentController;

/// 返回首页代理
/// @param currentController 当前controller
/// @return 是否自动返回主页
- (BOOL)CM_GestureRecognizerBackHomeController:(UIViewController *)currentController;