静态分析错误更正

使用了下面报错Passed-by-value struct argument contains uninitialized data (e.g., via the field chain: 'origin.x')

- (instancetype)init

{

    if (self = [super init]) {

        

        CGRect viewSize;

        viewSize.size.width = viewSize.size.height = layerViewWH;

        self.frame = viewSize;

        self.backgroundColor = [UIColor clearColor];

 

    }

    return self;

}

改成下面就好了

- (instancetype)initWithFrame:(CGRect)frame

{

    if (self = [super initWithFrame:CGRectMake(0, 0, layerViewWH, layerViewWH)]) {

        self.backgroundColor = [UIColor clearColor];

     }

    return self;

}

//后来知道了CGRect使用之前记得初始化，应该这样使用

- (instancetype)init

{

    if (self = [super init]) {

        

        CGRect viewSize = CGRectZero;

        viewSize.size.width = viewSize.size.height = layerViewWH;

        self.frame = viewSize;

        self.backgroundColor = [UIColor clearColor];

 

    }

    return self;

}

2.使用且图片的时候，造成的内存泄露

UIImage *image = [UIImage imageNamed:@"AppIcon"];

 

CGImageRef imageRef = CGImageCreateWithImageInRect([image CGImage], viewSize);

        

 UIImage *imageS = [UIImage imageWithCGImage:imageRef];

        

加上这句就好了        CGImageRelease(imageRef);