ios 五 才执行的代码

ios 5 才执行的代码

设置navigationBar背景在ios5有了官方支持

 

#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 50000
    if ([self.navigationController.navigationBar respondsToSelector:@selector(setBackgroundImage:forBarMetrics:)]){
        NSLog(@"111");
            [self.navigationController.navigationBar setBackgroundImage:[UIImage imageNamed:@"navi.png"] forBarMetrics:UIBarMetricsDefault];
    }
#endif 

 

 

 

<!--?xml version="1.0" encoding="UTF-8" standalone="no"?-->

if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 5.0) {

        CLog(@"ios5");

    }else {

        CLog(@"ios4");

    }