控件添加代码:
UILabel *label = [[UILabel alloc] init];
label.text = @"发都发搜房送";
label.textColor =ColorFromHex(@"000000");
label.font = FONT_SYSTEM(15);
label.backgroundColor = ColorFromHex(@"912932");
[self.view addSubview:label];
[label mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(self.view.mas_top).with.offset(100);
make.left.equalTo(self.view.mas_left).with.offset(12);
make.bottom.equalTo(self.view.mas_bottom).with.offset(-1);
}];
UITextField * inputTfield = [[UITextField alloc] init];
inputTfield.backgroundColor = ColorFromHex(@"109218");
[self.view addSubview:inputTfield];
[inputTfield mas_makeConstraints:^(MASConstraintMaker *make) {
make.top.equalTo(self.view.mas_top).with.offset(100);
make.left.equalTo(label.mas_right).with.offset(10);
make.right.equalTo(self.view.mas_right).with.offset(-12);
make.bottom.equalTo(self.view.mas_bottom).with.offset(-1);
}];
控件显示效果:

设置拉伸优先级代码:
[label setContentHuggingPriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];
[inputTfield setContentHuggingPriority:UILayoutPriorityDefaultLow forAxis:UILayoutConstraintAxisHorizontal];
// 参数可以直接在苹果说明文档去查看
设置后显示效果:

设置压缩优先级的代码如下:
[label setContentCompressionResistancePriority:UILayoutPriorityDefaultLow
forAxis:UILayoutConstraintAxisHorizontal];
[inputTfield setContentCompressionResistancePriority:UILayoutPriorityRequired
forAxis:UILayoutConstraintAxisHorizontal];
显示效果可以自己尝试设置两个长文本
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