xcode 栏按钮项以编程方式添加工具栏
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bar button item add toolbar programmatically
提问by kEvin
I want to add button instead of bar button item into toolbar programmatically. I select it because button has image infodark defaut.
我想以编程方式将按钮而不是栏按钮项添加到工具栏中。我选择它是因为按钮具有图像 infodark defaut。
so how is this done programmatically?
那么这是如何以编程方式完成的呢？
回答by alloc_iNit
UIImage* image = [UIImage imageNamed:defaultImage];
CGRect frame = CGRectMake(0, 0, image.size.width, image.size.height);
UIButton* button = [[UIButton alloc] initWithFrame:frame];
[button setTitle:@"Display" forState:UIControlStateNormal & UIControlStateHighlighted];
[button setImage:image forState:UIControlStateNormal];
[button setImage:[UIImage imageNamed:selectedImage] forState:UIControlStateSelected];
[button addTarget:self action:@selector(button_Clicked:) forControlEvents:UIControlEventTouchUpInside];
UIBarButtonItem *barButton = [[UIBarButtonItem alloc] initWithCustomView:button];
回答by Kevin
To add this button in UIToolbaryou need this code.
first you can initialize UIToolbarafter that
要在UIToolbar您需要此代码中添加此按钮。首先你可以UIToolbar在那之后初始化
NSMutableArray *buttons = [[NSMutableArray alloc] initWithCapacity:4];
[buttons addObject: barButtonItem];
[buttons addObject: btnFav];
[buttons addObject: btnGeneralPopOverController];
[buttons addObject: showInfo];
[mytoolbar setItems:buttons animated:NO];
