navigation

Correct way to close DialogFragment when using Navigation component?

房东的猫 提交于 2020-08-25 07:39:27
问题 I am using the Navigation component to show a DialogFragment ( <dialog...>...</dialog> in the navigation.xml ) and want to know what's the recommended way to close the Dialog. I tried myself and got the following results: 1) dismiss() in DialogFragment : seems to work fine 2) findNavController().navigateUp() : seems to work fine 3) findNavController().navigate(MyDialogFragmentDirections.actionMyDialogFragmentToMyNormalFragment()) : works, but loads a fresh version of the target destination,

Flutter Navigation Bar - Change tab from another page

烂漫一生 提交于 2020-08-24 02:02:55
问题 I would like to be able to change the navigation bar tab programmatically. I have a button inside Page1 that navigates to Page2. When I perform this, the navigation bar disappears because I didn't select page2 using the navigation bar. I have 4 dart files along the lines of navigationbar.dart, page1.dart, page2.dart, page3.dart The Navigation page is the home page of the application with the children: final List<Widget> _children = [ Page1(), Page2(), Page3(), ]; return Scaffold(

Flutter Navigation Bar - Change tab from another page

旧时模样 提交于 2020-08-24 02:00:11
问题 I would like to be able to change the navigation bar tab programmatically. I have a button inside Page1 that navigates to Page2. When I perform this, the navigation bar disappears because I didn't select page2 using the navigation bar. I have 4 dart files along the lines of navigationbar.dart, page1.dart, page2.dart, page3.dart The Navigation page is the home page of the application with the children: final List<Widget> _children = [ Page1(), Page2(), Page3(), ]; return Scaffold(

How to turn off NavigationLink overlay color in SwiftUI?

走远了吗. 提交于 2020-08-22 09:29:53
问题 I've designed a "CardView" using ZStack in which the background layer is a gradient and the foreground layer is a PNG(or PDF) image(the image is a yellow path(like a circle) drawn in Adobe Illustrator). When I put the ZStack inside a NavigationLink the gradient remains unchanged and fine, but the image get a bluish overlay color (like default color of a button) therefore there is no more yellow path(the path is bluish). How can get the original color of foreground PNG(or PDF) image? import

Open the drawer when I click the icon react navigation version 5

北战南征 提交于 2020-08-10 20:44:50
问题 I want to open the drawer when I click the icon in the headerLeft part, I also have try to this.props.navigation.dispatch but is gives an error also navigation.dispatch gives error The code below does not gives errors but is does not open the drawer import { DrawerActions } from '@react-navigation/native'; import { NavigationContainer } from '@react-navigation/native'; import { createDrawerNavigator } from '@react-navigation/drawer'; import { createStackNavigator } from '@react-navigation