uitabbar

问题 in xamrin froms app, we have a tabbar, we need to add some gradient color for that tab bar in both iOS and android devices. how can we that ? 回答1: Make a image with gradient color by your designer; The apply it to tabbar like: UITabBar.Appearance.BackgroundImage = image; Official documents: https://developer.xamarin.com/api/type/UIKit.UITabBar+UITabBarAppearance/ 来源： https://stackoverflow.com/questions/48092841/xamarin-forms-how-to-add-a-gradient-color-for-tabbar

问题 Is there any way to set a custom image for the "more" tab in iOS? And on the other side the items images that appears when I click in the more tab appears in black. Is there any way to set this image to be in colors? 回答1: You could try to implement a custom tabBar like this. https://github.com/judges/RXCustomTabBar 来源： https://stackoverflow.com/questions/10131351/custom-image-more-tab-in-ios-and-image-colors-in-more-items

问题 In iOS 6, the UITabBar has a different style (like in the App Store). Is it a predefined style that we can use or is it just a customized tab bar? I had a look at the UITabBar reference but I didn't find anything that looks like predefined style. Edit: I just made a new tab bar app using iOS 6 SDK, targeting only iOS 6 and the tab bar style is the old one. The style I get : (source: apple.com) The style I would like to get : (source: apple.com) 回答1: You can customise the tabbar via appearance

问题 I want to display interface UITabBar when login succeeds. I declare interface UITabBar in AppDelegate , but after login success I don't know how to call the interface. Here is my code: appdelegate.m -(void)loadInterface { [self configureiPhoneTabBar]; } -(void)configureiPhoneTabBar { UITabBarController *tabBarController = (UITabBarController *)self.window.rootViewController; UIViewController *controller1 = [[tabBarController viewControllers] objectAtIndex:0]; [self

问题 I want to display interface UITabBar when login succeeds. I declare interface UITabBar in AppDelegate , but after login success I don't know how to call the interface. Here is my code: appdelegate.m -(void)loadInterface { [self configureiPhoneTabBar]; } -(void)configureiPhoneTabBar { UITabBarController *tabBarController = (UITabBarController *)self.window.rootViewController; UIViewController *controller1 = [[tabBarController viewControllers] objectAtIndex:0]; [self

问题 I've been trying to find the solution to this for the last week, and I have had no luck after trying every possible solution I could find or think of. Every solution I found and have attempted has not worked. I have 4 UITabBarItem's in a UITabBar placed within UITabBarController. I want to put individual background color (OR image) of the UITabBarItem. Screen shot is attached I am using Swift, and iOS SDK 9.3 in Xcode 8.0. If you can only answer in Objective-C that is fine too, any answer

问题 I've read about 10 different posts like this one and they all suggest doing it in your app delegate with code. Is it even possible to change it from within the storyboard? 回答1: For some reason that I'm not clear on, the standard Tint properties in the Attributes Inspector have no effect. However, if you select the tab bar and open up the Identity Inspector, you can add a custom User Defined Runtime Attribute with a Key Path of tintColor , set its type to be Color, and then specify the color

问题 How can I add a custom UIImage as the Badge for a UITabBarItem? I.e It will show up when the badge value of the UITabbarItem is set. 回答1: Consider subclassing UITabBarItem and drawing it yourself 回答2: Sascha Paulus wrote a great class that does just this: CustomBadge2.0 You can of course use it in combination with subclassing UITabBarItem . 回答3: u can use the following custom class for CustomBadge: https://github.com/ckteebe/CustomBadge/tree/master/Classes i hope this will help you. 回答4: Can

问题 I have come across the UITabBar touching area problem. Extra touching area (about 5 pixels) above the UITabBar is counted to be the UITabBar . All objects being put in that area will be blocked and UITabBar will react instead. I found some people asked about the same question (the following links) and could not get answer. Could someone please help? Touch above the uiTabBar https://stackoverflow.com/questions/7270517/uitabbar-line-above-the-bar-touch-problem UITabBar / UIToolBar overlap

问题 I have created 5 Tabs in my application. In Tab1 i have UITableView . On didSelectRowAtIndexPath i am navigating to another UIView in which I am showing my all 5 Tabs. And I also play song in that navigated view. Now when I click Back button in navigation and i again go to my original view, i am able to call viewWillDisappear (as expected and normal situation). But when I click directly another tab then viewWillDisappear is not called in the navigated View. Why this Happens?? I have just