casatwy / handyautolayout Goto Github PK
View Code? Open in Web Editor NEWhandy categories for generate NSLayoutConstraint programmatically, and layout your Frame easy
License: Other
handy categories for generate NSLayoutConstraint programmatically, and layout your Frame easy
License: Other
有些还是很好懂,但是有些必须自己去写一遍才能确定
大哥啊,你一言不合就改方法调用,这样对我们使用这影响很大啊,height 改成了ct_height,大哥能不能不要这么任性
[self addConstraints:[all constraintsLeft:15.0 FromView:self]];
[self addConstraint:[all constraintWidth:62]];
[self addConstraint:[all constraintHeight:30]];
[self addConstraint:[all constraintCenterYEqualToView:self]];
[self addConstraint:[good constraintWidthEqualToView:all]];
[self addConstraint:[good constraintHeightEqualToView:all]];
[self addConstraint:[good constraintCenterYEqualToView:self]];
[self addConstraints:[good constraintsLeft:15+margin FromView:self]];
[self addConstraint:[normol constraintHeightEqualToView:all]];
[self addConstraint:[normol constraintWidthEqualToView:all]];
[self addConstraint: [normol constraintCenterYEqualToView:self]];
[self addConstraints: [normol constraintsLeft:15+2_margin FromView:self]];
[self addConstraint: [bad constraintWidthEqualToView:all]];
[self addConstraint: [bad constraintHeightEqualToView:all]];
[self addConstraint: [bad constraintCenterYEqualToView:self]];
[self addConstraints: [bad constraintsRight:15.0 FromView:self]];
[self addConstraints: [bad constraintsLeft:15+3_margin FromView:self]];
code
[self.view addConstraints:[self.view1 constraintsSize:CGSizeMake(50, 30)]];
[self.view addConstraints:[self.view1 constraintsTopInContainer:10.0f]];
[self.view addConstraints:[self.view1 constraintsTopInContainer:20.0f]];
console
2016-09-02 19:53:50.192 FaiChouTest[3223:179657] Unable to simultaneously satisfy constraints.
Probably at least one of the constraints in the following list is one you don't want.
Try this:
(1) look at each constraint and try to figure out which you don't expect;
(2) find the code that added the unwanted constraint or constraints and fix it.
(
"<NSLayoutConstraint:0x7faad0d452c0 UIView:0x7faad306b8f0.top == UIView:0x7faad3017670.top + 10>",
"<NSLayoutConstraint:0x7faad0d2daf0 UIView:0x7faad306b8f0.top == UIView:0x7faad3017670.top + 20>"
)
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x7faad0d2daf0 UIView:0x7faad306b8f0.top == UIView:0x7faad3017670.top + 20>
Make a symbolic breakpoint at UIViewAlertForUnsatisfiableConstraints to catch this in the debugger.
The methods in the UIConstraintBasedLayoutDebugging category on UIView listed in <UIKit/UIView.h> may also be helpful.
这样会使得添加动画变得困难,我们需要手动移除原先的constraint,再添加之。
我们可以在原封装方法里添加判断。
should be this:
pod search HandyAutoLayout
显示并没有这个库,请问目前只能通过podfile 指定git地址的方式使用么?
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;
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