如何在导航栏按钮项中添加自定义图像? [英] How to add custom image in navigation bar button item?
本文介绍了如何在导航栏按钮项中添加自定义图像?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
UIBarButtonItem *doneitem=[[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(donePressed:)]autorelease];
self.navigationItem.rightBarButtonItem=doneitem;
这是我的应用程序的代码,我需要在此按钮上添加图像?
This is the code of my app, I need to add a image on this button ?
请帮帮我。
推荐答案
试试这段代码:
UIImage* image3 = [UIImage imageNamed:@"mail-48_24.png"];
CGRect frameimg = CGRectMake(0, 0, image3.size.width, image3.size.height);
UIButton *someButton = [[UIButton alloc] initWithFrame:frameimg];
[someButton setBackgroundImage:image3 forState:UIControlStateNormal];
[someButton addTarget:self action:@selector(sendmail)
forControlEvents:UIControlEventTouchUpInside];
[someButton setShowsTouchWhenHighlighted:YES];
UIBarButtonItem *mailbutton =[[UIBarButtonItem alloc] initWithCustomView:someButton];
self.navigationItem.rightBarButtonItem=mailbutton;
[someButton release];
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