我遇到了问题,我需要构建类似于此的东西,其中红色条是UIImageView,蓝色条是导航栏: http://imagizer.imageshack.us/v2/800x600q90/30/iqtt.png
我能够使用以下代码制作它,我的问题是,当我按下主页按钮关闭应用程序并重新打开它时,我的导航栏缩小,在链接图像上它有88px并且在重新启动44px之后,所以它弄乱了我的布局。
以下是我在viewDidAppear上使用的代码:
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
self.navigationController.view.frame = CGRectMake(0, 0, 320, 568);
self.navigationController.navigationBar.frame = CGRectMake(0, 0, 320, 88);
v = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 44)];
UIImageView *img = [[UIImageView alloc] initWithFrame:CGRectMake(33, 5, 255, 29)];
[img setImage:[UIImage imageNamed:@"top-logo"]];
[v addSubview:img];
[self.navigationController.navigationBar addSubview:v];
}
我该如何解决这个问题?
答案 0 :(得分:0)
你永远不应该改变导航栏框架。相反隐藏导航栏,创建自定义视图并将其添加到self.view之上。
self.navigationController.navigationBarHidden =YES;
self.view.frame = CGRectMake(0, 0, 320, 568);;
// v is our total 88px height navigation bar
v = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 88)];
UIImageView *img = [[UIImageView alloc] initWithFrame:CGRectMake(33, 5, 255, 29)];
[img setImage:[UIImage imageNamed:@"top-logo"]];
[v addSubview:img];
UIView *navigationBar = //create nav bar with buttons of height 44px
[v addSubview:navigationBar];
[self.view addSubview:v];