ViewController上的代码规范和习惯

2016-01-09

代码规范

代码具有一致性,一般都比较便于阅读和管理,每个人不一样,但是总之要整洁比较好,我的习惯是

视图使用自动布局
所有控件都有一个弱指针指向(参见我的Property强弱讨论文章)
初始化数据/初始化控件/布局/样式调整/动作分开管理

以下是代码示范

@interface BPLoginMainViewController ()

@property (nonatomic, weak) id name;//指向控件的弱指针

@end

@implementation BPLoginMainViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    //初始化数据
    [self dataInital];
    //
    [self instituteSubviews];//初始化控件
    [self constrainSubviewsLayout];//对控件进行约束
    [self modifySubviewsPattern];//对控件进行样式调整
    //添加动作/通知/手势等
    [self addActionAndNotification];
}

- (void)dataInital {

}

#pragma mark - View Layout Pattern

- (void)instituteSubviews {
    //Init Subviews
    <#type#> *<#name#> = [[<#type#> alloc]init];
    //Weak Point
    _<#name#> = <#name#>;
    //Add Subviews
    [<#view#> addSubview:_<#name#>];
}

- (void)constrainSubviewsLayout {
    //Set autorizingMask
    [_<#name#> setTranslatesAutoresizingMaskIntoConstraints:NO];
    //AutoLayout VF
    NSDictionary *views = NSDictionaryOfVariableBindings(_<#name#>);
    NSDictionary *metrics = @{};
    NSMutableArray *constraints = [NSMutableArray array];
    [constraints addObjectsFromArray:[NSLayoutConstraint constraintsWithVisualFormat:@"" options:0 metrics:metrics views:views]];
    [<#view#> addConstraints:constraints];
    //不通过数组直接添加约束数组
    //    [<#view#> addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"" options:0 metrics:metrics views:views]];
    //Single添加单个约束
    //    [<#view#> addConstraint:[NSLayoutConstraint constraintWithItem:_<#name#> attribute:<#attribute#> relatedBy:<#relation#> toItem:_<#view#> attribute:<#attribute#> multiplier:1.0 constant:0]];
}

- (void)modifySubviewsPattern {
    //Modify Pattern
}

#pragma mark - Action 添加所有动作和动作响应

- (void)addActionAndNotification {
    //Action
    [<#name#> addTarget:<#target#> action:<#action#> forControlEvents:<#UIControlEventTouchUpInside#>]
    //Notification
    [[NSNotificationCenter defaultCenter] addObserver:<#target#> selector:<#action#> name:<#NSNotification#> object:<#object#>];
    //Gesture
    UITapGestureRecognizer *<#gesture#> = [[UITapGestureRecognizer alloc]initWithTarget:<#target#> action:<#action#>];
}

@end