iOS纯代码自定义View
- 1.UIGestureRecognizerDelegate
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| -(instancetype)init {
self = [super init];
if (self) {
[self setup];
}
return self;
}
-(void)setup {
self.frame = CGRectMake(0, 0, SIMScreenWidth, SIMScreenHeight);
UIColor *color = [UIColor blackColor];
self.backgroundColor = [color colorWithAlphaComponent:0.6];
self.bgView.backgroundColor = [UIColor clearColor];
[self addSubview:self.bgView];
[self.bgView addSubview:self.bgImageView];
[self.bgImageView addSubview:self.topImageView];
[self.bgImageView addSubview:self.textView];
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(cancleButtonClick)];
tap.delegate = self;
[self.bgView addGestureRecognizer:tap];
}
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| -(void)layoutSubviews {
[super layoutSubviews];
_bgView.frame = CGRectMake(0, 0, SIMScreenWidth, SIMScreenHeight);
}
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| UIWindow *window = [UIApplication sharedApplication].keyWindow;
for (UIView * vc in [window subviews]) {
if ([[vc class] isSubclassOfClass:[SIMFDDCommonTipsView class]]) {
return;
}
}
[window addSubview:self];
[window makeKeyAndVisible];
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| - (void)cancleButtonClick {
UIWindow *window = [UIApplication sharedApplication].keyWindow;
for (UIView * vc in [window subviews]) {
if ([[vc class] isSubclassOfClass:[SIMFDDCommonTipsView class]]) {
[vc removeFromSuperview];
break;
}
}
}
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| - (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch{
if ([touch.view isDescendantOfView:self.bgImageView] || [touch.view isDescendantOfView:self.topImageView]) {
return NO;
}
return YES;
}
|
总结一下当我们使用纯代码创建自定义
UIVIew的时候步骤：
1、新建一个继承UIVIew的类；
2、在实现文件中添加子控件（weak声明）；
3、重写- (instancetype)initWithFrame:(CGRect)frame初始化子控件但不设置子控件frame;
4、重写- (void)layoutSubviews，设置子控件frame，记得一定要写[super layoutSubviews];
5、提供一个模型属性，在该模型的set方法中为子控件赋值；