我想在我的应用程序中创建一个静态页脚。我使用了 UIToolbar。现在我想添加一些带有自定义照片的按钮。工具栏工作正常,但不显示按钮。
这是我用来添加按钮的代码:
UIImage *facebookImage=[[UIImage alloc]initWithContentsOfFile:@"facebook.png"];
UIImage *twitterImage=[[UIImage alloc]initWithContentsOfFile:@"twitter.png"];
UIImage *messageImage=[[UIImage alloc]initWithContentsOfFile:@"message.png"];
UIImage *emailImage=[[UIImage alloc]initWithContentsOfFile:@"email.png"];
UIBarButtonItem *facebook=[[UIBarButtonItem alloc]initWithImage:facebookImage style:UIBarButtonItemStyleBordered target:Nil action:Nil];
UIBarButtonItem *twitter=[[UIBarButtonItem alloc]initWithImage:twitterImage style:UIBarButtonItemStylePlain target:Nil action:Nil];
UIBarButtonItem *message=[[UIBarButtonItem alloc]initWithImage:messageImage style:UIBarButtonItemStylePlain target:Nil action:Nil];
UIBarButtonItem *email=[[UIBarButtonItem alloc]initWithImage:emailImage style:UIBarButtonItemStylePlain target:Nil action:Nil];
NSArray *toolbarButtons = [NSArray arrayWithObjects: facebook, twitter,email,message, nil];
[Footer setItems:toolbarButtons];