IQKeyboardManager 启用/禁用

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];

    //TODO: 页面appear 禁用
   [[IQKeyboardManager sharedManager] setEnable:NO];
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];

    //TODO: 页面Disappear 启用
   [[IQKeyboardManager sharedManager] setEnable:YES];
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];

    //TODO: 页面appear 禁用
   [[IQKeyboardManager sharedManager] setEnableAutoToolbar:NO];
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];

    //TODO: 页面Disappear 启用
   [[IQKeyboardManager sharedManager] setEnableAutoToolbar:YES];
}

typedef NS_ENUM(NSUInteger, IQPreviousNextDisplayMode) {
    IQPreviousNextDisplayModeDefault,        默认一界面多输入框显示切换箭头  单输入框不显示
    IQPreviousNextDisplayModeAlwaysHide,     隐藏切换箭头
    IQPreviousNextDisplayModeAlwaysShow,     一直显示切换箭头(不受输入框个数限制) 
};

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];

    //TODO: 页面appear 禁用
   [IQKeyboardManager sharedManager] .previousNextDisplayMode = IQPreviousNextDisplayModeAlwaysHide;
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];

    //TODO: 页面Disappear 启用
   [IQKeyboardManager sharedManager] .previousNextDisplayMode = IQPreviousNextDisplayModeAlwaysShow;
}