以下这些方法从名称上不能准确的知道其作用，要写代码验证。
- (void)fromTheTop:(CGFloat)distance ofView:(UIView *)view;
- (void)fromTheRelativeTop:(CGFloat)distance ofView:(UIView *)view screenType:(UIScreenType)screenType;
- (void)relativeTopInContainer:(CGFloat)top shouldResize:(BOOL)shouldResize screenType:(UIScreenType)screenType;
以下这些方法从名称上不能准确的知道其作用，要写代码验证。
- (void)fromTheTop:(CGFloat)distance ofView:(UIView *)view;- (void)fromTheRelativeTop:(CGFloat)distance ofView:(UIView *)view screenType:(UIScreenType)screenType;- (void)relativeTopInContainer:(CGFloat)top shouldResize:(BOOL)shouldResize screenType:(UIScreenType)screenType;