您好，我正在trycatchView然后将其作为图像保存到照片库中，但是我需要为捕获的图像创建自定义分辨率，这是我的代码但是当应用程序保存图像时分辨率很低!UIGraphicsBeginImageContextWithOptions(self.captureView.bounds.size,self.captureView.opaque,0.0);[self.captureView.layerrenderInContext:UIGraphicsGetCurrentContext()];UIImage*screenshot=UIGraphicsGetImageFromCurrentIma
您好，我正在trycatchView然后将其作为图像保存到照片库中，但是我需要为捕获的图像创建自定义分辨率，这是我的代码但是当应用程序保存图像时分辨率很低!UIGraphicsBeginImageContextWithOptions(self.captureView.bounds.size,self.captureView.opaque,0.0);[self.captureView.layerrenderInContext:UIGraphicsGetCurrentContext()];UIImage*screenshot=UIGraphicsGetImageFromCurrentIma
我正在尝试写入以下路径:NSString*docDir=[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES)objectAtIndex:0];NSString*storePath=[docDirstringByAppendingPathComponent:@"/newfolder/test.jpg"];NSData*data=[NSDatadataWithData:UIImagePNGRepresentation(image)];BOOLsaved=[datawriteToFile:
我正在尝试写入以下路径:NSString*docDir=[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES)objectAtIndex:0];NSString*storePath=[docDirstringByAppendingPathComponent:@"/newfolder/test.jpg"];NSData*data=[NSDatadataWithData:UIImagePNGRepresentation(image)];BOOLsaved=[datawriteToFile:
我在正确设置自定义后退指示器图像时遇到问题。指示器不居中!这是一张图片:我在didFinishLaunchingWithOptions:方法中设置指示器图像...-(BOOL)application:(UIApplication*)applicationdidFinishLaunchingWithOptions:(NSDictionary*)launchOptions{UIImage*image=[UIImageimageNamed:@"Back"];[UINavigationBarappearance].backIndicatorImage=image;[UINavigationBa
我在正确设置自定义后退指示器图像时遇到问题。指示器不居中!这是一张图片:我在didFinishLaunchingWithOptions:方法中设置指示器图像...-(BOOL)application:(UIApplication*)applicationdidFinishLaunchingWithOptions:(NSDictionary*)launchOptions{UIImage*image=[UIImageimageNamed:@"Back"];[UINavigationBarappearance].backIndicatorImage=image;[UINavigationBa
我正在创建一个自定义导航Controller。我有这样的东西:publicclassCustomNavigationController:UINavigationController{//MARK:-LifeCycleoverrideinit(rootViewController:UIViewController){super.init(rootViewController:rootViewController)delegate=self}requiredpublicinit?(coderaDecoder:NSCoder){super.init(coder:aDecoder)deleg
我正在创建一个自定义导航Controller。我有这样的东西:publicclassCustomNavigationController:UINavigationController{//MARK:-LifeCycleoverrideinit(rootViewController:UIViewController){super.init(rootViewController:rootViewController)delegate=self}requiredpublicinit?(coderaDecoder:NSCoder){super.init(coder:aDecoder)deleg
根据NSObjectUIKitAdditionsReference,outlet变量应该在调用awakeFromNib时设置(强调所有我的):Thenib-loadinginfrastructuresendsanawakeFromNibmessagetoeachobjectrecreatedfromanibarchive,butonlyafteralltheobjectsinthearchivehavebeenloadedandinitialized.WhenanobjectreceivesanawakeFromNibmessage,itisguaranteedtohaveallits
根据NSObjectUIKitAdditionsReference,outlet变量应该在调用awakeFromNib时设置(强调所有我的):Thenib-loadinginfrastructuresendsanawakeFromNibmessagetoeachobjectrecreatedfromanibarchive,butonlyafteralltheobjectsinthearchivehavebeenloadedandinitialized.WhenanobjectreceivesanawakeFromNibmessage,itisguaranteedtohaveallits
