单例设置

iteye_17299

于 2013-04-27 09:51:35 发布

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分类专栏： ios开发学习相关

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+ (RootScrollView *)shareInstance;

+ (RootScrollView *)shareInstance {
    static RootScrollView *__singletion;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        __singletion=[[self alloc] initWithFrame:CGRectMake(0, 44, 320, [Globle shareInstance].globleHeight-44)];
    });
    return __singletion;
}