iOS按钮中文字左对齐实现笔记
直接上代码
button.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft;
左边对齐之后太靠近控件边缘了,可以添加一些约束进行调整
UIEdgeInsetsMake的构造参数是上左下右
button.titleEdgeInsets = UIEdgeInsetsMake(0, 10, 0, 0);
uitextField的设置左边特定间距实现
UIView *paddingView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 15, 40)];
paddingView.backgroundColor = [UIColor clearColor];
_userNameTextField.leftViewMode = UITextFieldViewModeAlways;
_userNameTextField.leftView = paddingView;
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