摘要：typedef enum { UIViewContentModeScaleToFill, UIViewContentModeScaleAspectFit, // contents scaled to fit with fixed aspect. remainder is transparent UIViewContentModeScaleAspectFill, // contents scaled to fill with fixed aspect. some portion of content may be clipped. UIViewConten... 阅读全文

摘要：Overview: Social FeaturesThere are three ways you can share to social media sites:TheUIActivityViewControllerclass allows your app to provide several services in context, one of which would be posting content to social media sites.TheSLComposeViewControllerclass is targeted more to social media site 阅读全文

摘要：IOS 获取 Camera roll里的图片 or 视频。-(void)getImgs{ dispatch_async(dispatch_get_main_queue(), ^{ NSAutoreleasePool *pool = [[NSAutoreleasePoolalloc] init]; ALAssetsLibraryAccessFailureBlock failureblock = ^(NSError *myerror){ NSLog(@"相册访问失败 =%@", [myerror localizedDescription]);... 阅读全文

摘要：//初始化:UIActivityIndicatorView* indicator = [[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 50, 50)];//设置显示样式,见UIActivityIndicatorViewStyle的定义indicator.activityIndicatorViewStyle = UIActivityIndicatorViewStyleWhiteLarge;//设置显示位置[indicator setCenter:CGPointMake(self.frame.size.width / 阅读全文