如何将UIViews添加到我的contentView（AwakeFromNib）

Question

我正在使用从UIView发起的单独awakeFromNib类这是视图层次结构 在我的自定义类中，我必须向contentView添加自定义视图。我没有得到如何将我的customViews作为子视图添加到contentView。

这是我的尝试，但我失败了。

 #pragma mark - UINibLoading
-(void)awakeFromNib {
scrollView.translatesAutoresizingMaskIntoConstraints = NO;
[self loadViewIntoMemory];
[self formUpdateDetailsData];
}

#pragma mark - Private
- (void)loadViewIntoMemory {
[[NSBundle mainBundle] loadNibNamed:NSStringFromClass([self class]) owner:self options:nil];
[self addSubview:contentView];
}

- (void)formUpdateDetailsData {
for (int i = 1; i < 5; i++) {
    inputTextView = [[UIView alloc] initWithFrame:CGRectMake(15, ((i*44)+(i*15)), inputTextView.frame.size.width, 44)];
    [contentView addSubview:inputTextView];
}
for (int i = 5; i < 10; i++) {
    inputPickerView = [[UIView alloc] initWithFrame:CGRectMake(15, ((i*44)+(i*15)), inputPickerView.frame.size.width, 44)];
    [contentView addSubview:inputPickerView];
}
}

Answer 1

尝试编写一个初始化方法，该方法将返回您，从.xib文件加载自定义UIView，

- (instancetype)initYourView {
    return [[NSBundle mainBundle] loadNibNamed:NSStringFromClass([self class]) owner:nil options:nil].firstObject;
}

Answer 2

我理解以下您已创建一个.xib文件，其中包含三个视图1. ContentView 2.输入textview 3.输入选择器视图

现在您想要在内容视图中添加输入视图和输入选择器视图。

现在你可以通过两种方式做到这一点 1.创建输入文本视图的IBOutlet并输入选择器视图，并在内容视图中添加子视图。

1. 您可以创建视图对象，并在内容视图中添加子视图。

   - (void)loadInputViewInMemory{
   
   UIView *inputView =[[[NSBundle mainBundle]loadNibNamed:@"CustomView" owner:nil options:nil]objectAtIndex:1];
   [self addSubview:inputView];
   
   
   [self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"|[inputView]|" options:0 metrics:0 views:[NSDictionary dictionaryWithObjectsAndKeys:inputView,@"inputView",nil]]];
   [self addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[inputView]|" options:0 metrics:0 views:[NSDictionary dictionaryWithObjectsAndKeys:inputView,@"inputView",nil]]];
   
   }
   

现在使用您在ViewController上创建的自定义视图对象调用此方法。

示例

视图中的

ViewController代码已加载或您要添加自定义视图的位置

 //  You custom view in your case content view.
CustomView *customView = [[[NSBundle mainBundle]loadNibNamed:@"CustomView" owner:self options:nil]objectAtIndex:0];
[self.view addSubview:customView];
customView.translatesAutoresizingMaskIntoConstraints = false;

[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"|[customView]|" options:0 metrics:0 views:[NSDictionary dictionaryWithObjectsAndKeys:customView,@"customView",nil]]];
[self.view addConstraints:[NSLayoutConstraint constraintsWithVisualFormat:@"V:|[customView]|" options:0 metrics:0 views:[NSDictionary dictionaryWithObjectsAndKeys:customView,@"customView",nil]]];

//Call Methods from here instead of calling from awake from nib


[customView loadInputViewInMemory];

您可以调用自定义选取器视图添加方法 你需要 将选择器视图的索引更改为2

像，

UIView *inputView =[[[NSBundle mainBundle]loadNibNamed:@"CustomView" owner:nil options:nil]objectAtIndex:2];

希望这对你有所帮助。