该警告提示信息,是说,设置了代理对象,但是并没有继承它的代理.下图中,可以看出,警告信息提示我们没有继承“CALayerDelegate”的代理. 解决方法,很简单,(在 @interface 文件中继承它的代理即可)如下: 重新编译一下就可以了.…

出现 Assigning to 'id<UINavigationControllerDelegate,UIImagePickerControllerDelegate>' from incompatible type 'ManageMessageViewController' 警告 当调用UIImagePickerController时,在进行委托定义是提示Assigning to 'id<UINavigationControllerDelegate,UIImagePickerContro…

tip:参考 http://stackoverflow.com/questions/9861538/assigning-to-iddelegate-from-incompatible-type-viewcontroller-const-strong 我的问题的解决:UIGestureRecognizerDelegate忘记添加协议 @interface:XXXX()<UIGestureRecognizerDelegate>…

编译报警告 可能是 自定义分类使用协议时出现与父类协议的冲突 解决方法如下:    …

在使用代理的时候, BViewController *BVC = [[BViewController alloc]init]; self.delegate = BVC; 出现这样的警告Assigning to 'id<XXXDelegate>' from incompatible type 'BViewController *__strong' 解决方案: #import "BViewController.h" @interface BViewController ()&l…

I have added a UIImagePickerController to a UIViewController. I have assigned the UIImagePickerControllerDelegate to that UIViewController. When I try to do myPicker.delegate = self; Xcode gifts me with this message: warning: assigning to id from inc…

iphone开发出现警告: Sending '__strong typeof (xxx)' (aka 'xxxx *__strong') to parameter of incompatible type 'id<xxx>' 如图: 原因是没有在头文件实现相应协议. 解决方法是在头文件(.h文件)中 @interface 一行后面加上 <协议名> 如图:…

今天遇到了如下的一个错误, Sending 'ccColor4B' (aka 'struct_ccColor4B') to parameter of incompatible type CiColor 网上搜寻解决方案如下,就是要强制设置下类型. 按如下改变: + (id) layerWithColor:(ccColor4B)color {     return [[(CCColorLayer*)[self alloc] initWithColor:color] autorelease];   …

org.hibernate.id.IdentifierGenerationException: Unknown integral data type for ids : java.lang.String id的数据类型要和id的生成策略相对应…

安装lfs时编译binutils出错: ../../sources/binutils-2.15.91.0.2/gas/config/tc-i386.h:457:32: error: array type has incomplete element type extern const struct relax_type md_relax_table[]; ^make[3]: *** [app.o] Error 1make[3]: Leaving directory `/mnt/lfs/binut…