如何添加UIButtons到導航欄，班級也包括的UITabBarController

我在新的iOS Development.I有UINavigationController作爲RootViewController的爲UIWindow。在我加入違約Tabbarcontroller選擇作爲第一控制器UITabbarController programatically.I的子類。在這裏，我正在試圖將3個按鈕添加到導航欄。如何添加UIButtons到導航欄，班級也包括的UITabBarController

任何人都可以發送給我的代碼。由於事先

來源

2013-02-22 user2082436

下面是簡單的代碼，以便在UINavigationBar

添加UIButton在下面的代碼，您可以添加按鈕使用FlexibleSpace

NSMutableArray *barItems = [[NSMutableArray alloc] init]; 
    UIBarButtonItem *flexSpace = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:self action:nil]; 
    [barItems addObject:flexSpace]; 
    [flexSpace release]; 

    UIBarButtonItem *btnFirst = [[UIBarButtonItem alloc] initWithTitle:@"First" style:UIBarButtonItemStyleBordered target:self action:@selector(FirstTapped:)]; 
    [barItems addObject: btnFirst]; 

    UIBarButtonItem *btnSecond = [[UIBarButtonItem alloc] initWithTitle:@"Second" style:UIBarButtonItemStyleBordered target:self action:@selector(SecondTapped:)]; 
    [barItems addObject:btnSecond]; 

UIBarButtonItem *btnThird = [[UIBarButtonItem alloc] initWithTitle:@"Third" style:UIBarButtonItemStyleBordered target:self action:@selector(ThirdTapped:)]; 
    [barItems addObject: btnThird]; 

self.navigationItem.rightBarButtonItems = barItems;

按鈕相關的方法

-(void) FirstTapped:(UIBarButtonItem *)sender{ 

//perform your action 

} 
-(void) SecondTapped:(UIBarButtonItem *)sender{ 

//perform your action 

} 

-(void) ThirdTapped:(UIBarButtonItem *)sender{ 

//perform your action 

}

注意：self.navigationItem.rightBarButtonItems只適用於iOS 5或後者。

來源

2013-02-22 08:27:53 iPatel

類似按鈕難道不應該是' - （無效）FirstButtonTapped {// 碼相關的功能 }' ？ – 2013-02-22 08:30:09

要添加在左邊或右邊，你必須調用下列方法之一多個按鈕：

- (void)setRightBarButtonItems:(NSArray *)items animated:(BOOL)animated 

- (void)setLeftBarButtonItems:(NSArray *)items animated:(BOOL)animated

數組items包含UIBarButtonItem類的實例。您可以實例化他們這樣

UIBarButtonItem *FirstButton = [[UIBarButtonItem alloc] 
         initWithTitle:@"Title"            
           style:UIBarButtonItemStyleBordered 
           target:self 
           action:@selector(buttonTapped:)];

然後，你必須實現選擇buttonTapped:當按鈕被敲擊時調用。

-(void)buttonTapped:(UIBarButtonItem *)button 
{ 
    // do the things that should happen when the button is pressed 
}

如果你不想讓他們在左側或右側，也可以創建一個UIView自己包含的按鈕和設置視圖是UINavigationItem的titleview的。這種效果是在Facebook的應用程序

[self.navigationItem setTitleView:yourView];

來源

2013-02-22 08:35:04 who9vy

UIButton *customButton = [UIButton buttonWithType:UIButtonTypeCustom]; 

// here is custom button setup // 

UIBarButtonItem *item = [[UIBarButtonItem alloc] initWithCustomView:customButton]; 

[self.navigationItem setLeftBarButtonItem:item animated:YES];

來源

2013-02-22 10:07:51 iiFreeman

如何添加UIButtons到導航欄，班級也包括的UITabBarController

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