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When the user is at a top-level destination, the Navigation button becomes a drawer icon if the destination uses a DrawerLayout. If the destination doesn't use a DrawerLayout , the Navigation button is hidden.
When the user is on any other destination, the Navigation button appears as an Up button. To configure the Navigation button using only the start destination as the top-level destination, create an AppBarConfiguration object, and pass in the corresponding navigation graph, as shown below:.
In some cases, you might need to define multiple top-level destinations instead of using the default start destination. Using a BottomNavigationView is a common use case for this, where you may have sibling screens that are not hierarchically related to each other and may each have their own set of related destinations.
For cases like these, you can instead pass a set of destination IDs to the constructor, as shown below:. To create a Toolbar with NavigationUI , first define the bar in your main activity, as shown:. Next, call setupWithNavController from your main activity's onCreate method, as shown in the following example:.
To configure the Navigation button to appear as an Up button for all destinations, pass an empty set of destination IDs for your top-level destinations when building your AppBarConfiguration. This can be useful if, for example, you have a second activity that should display an Up button in the Toolbar on all destinations.
This allows the user to navigate back to the parent activity when there are no other destinations on the back stack. You can use setFallbackOnNavigateUpListener to control the fallback behavior for when navigateUp would otherwise do nothing, as shown in the following example:. To include a CollapsingToolbarLayout with your Toolbar, first define the Toolbar and surrounding layout in your activity, as shown below:.
Next, call setupWithNavController from your main activity's onCreate method, as shown below:. To add navigation support to the default action bar, call setupActionBarWithNavController from your main activity's onCreate method, as shown below. Note that you need to declare your AppBarConfiguration outside of onCreate , since you also use it when overriding onSupportNavigateUp :. Next, override onSupportNavigateUp to handle Up navigation:.
If, however, your top app bar changes substantially across destinations, then consider removing the top app bar from your activity and defining it in each destination fragment, instead. As an example, one of your destinations may use a standard Toolbar , while another uses an AppBarLayout to create a more complex app bar with tabs, as shown in figure 2.
To implement this example within your destination fragments using NavigationUI , first define the app bar in each of your fragment layouts, beginning with the destination fragment that uses a standard toolbar:.
The navigation configuration logic is the same for both of these fragments, except that you should call setupWithNavController from within each fragment's onViewCreated method, instead of initializing them from the activity:.
NavigationUI also provides helpers for tying destinations to menu-driven UI components. If the id of the MenuItem matches the id of the destination, the NavController can then navigate to that destination. If your menu was added via the Activity's onCreateOptionsMenu , for example, you can associate the menu items with destinations by overriding the Activity's onOptionsItemSelected to call onNavDestinationSelected , as shown in the following example:.
The navigation drawer is a UI panel that shows your app's main navigation menu. The drawer appears when the user touches the drawer icon in the app bar or when the user swipes a finger from the left edge of the screen.
The drawer icon is displayed on all top-level destinations that use a DrawerLayout. To add a navigation drawer, first declare a DrawerLayout as the root view. Inside the DrawerLayout , add a layout for the main UI content and another view that contains the contents of the navigation drawer.
For example, the following layout uses a DrawerLayout with two child views: a NavHostFragment to contain the main content and a NavigationView for the contents of the navigation drawer. Next, connect the DrawerLayout to your navigation graph by passing it to AppBarConfiguration , as shown in the following example:. Next, in your main activity class, call setupWithNavController from your main activity's onCreate method, as shown below:. NavigationUI can also handle bottom navigation.
When a user selects a menu item, the NavController calls onNavDestinationSelected and automatically updates the selected item in the bottom navigation bar.
To create a bottom navigation bar in your app, first define the bar in your main activity, as shown below:. Interacting with the NavController is the primary method for navigating between destinations. The NavController is responsible for replacing the contents of the NavHost with the new destination.
In many cases, UI elements—such as a top app bar or other persistent navigation controls like a BottomNavigationBar —live outside of the NavHost and need to be updated as you navigate between destinations. NavController offers an OnDestinationChangedListener interface that is called when the NavController 's current destination or its arguments change.
A new listener can be registered via the addOnDestinationChangedListener method. Note that when calling addOnDestinationChangedListener , if the current destination exists, it's immediately sent to your listener.
Note, however, that you can also use OnDestinationChangedListener on its own to make any custom UI or business logic aware of navigation events. As an example, you might have common UI elements that you intend to show in some areas of your app while hiding them in others. Using your own OnDestinationChangedListener , you can selectively show or hide these UI elements based on the target destination, as shown in the following example:.
Content and code samples on this page are subject to the licenses described in the Content License. App Basics. Build your first app. App resources. Resource types. App manifest file. Device compatibility. Multiple APK support. Tablets, Large screens, and Foldables. Adding wearable features to notifications. Creating wearable apps. Creating custom UIs. Sending and syncing data. Creating data providers. Creating watch faces.
Android TV. Build TV Apps. Build TV playback apps. Help users find content on TV. Recommend TV content. Watch Next. Build TV input services. TV Accessibility. Android for Cars. Moaz H Moaz H 1 1 gold badge 6 6 silver badges 5 5 bronze badges. Worked for me as well. Works fine for me. Fernandez Jan 17 '18 at Worked perfectly. Show 2 more comments. Hemant Shori Hemant Shori 2, 1 1 gold badge 19 19 silver badges 19 19 bronze badges. I already have a values-v19 folder and it has styling specific to Kitkat.
I don't see how this is going to make a difference. I just tried what you said and all it does is add 24dp worth of padding to the top of the toolbar This is what worked for me: Set android:windowTranslucentStatus to true in your default style in the v21 folder. This will make your statusbar almost transparent from Lollipop. Define the color of your Toolbar with the android:colorPrimary parameter in your style.
Add a 24dp padding to the top of your toolbar AND to the top of your drawer as well, but only from Lollyipop. The best way to do this is to add a new dimension to your dimens files. In the values folder set it to 0, in the values-v21 set it to 24 dp, and use it on your Toolbar and Drawer.
BSMP 3, 7 7 gold badges 30 30 silver badges 41 41 bronze badges. Analizer Analizer 1, 16 16 silver badges 27 27 bronze badges. All devices don't have a 24dp statusbar. The default is 25dp on some Android versions for example. Aditya Vyas-Lakhan Krypton Nite Krypton Nite 54 2 2 silver badges 6 6 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name.
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In my last post i explain how to create a navigation drawer in android application now in this post i update my code and update my navigation drawer. In this i make my status bar transparent as you see in most of google aps like youtube, play store app etc.
Please check the video to check what we are going to make hope it was easy to you to understand. Step 1: Create A new Project and open build. Step 2: Create create custom toolbar toolbar. Step 4: Open your style. Step 6: Create one more Header. Email Address. Skip to content. Context ; import android. SharedPreferences ; import android.
Configuration ; import android. Build ; import android. Bundle ; import android. DrawerLayout ; import android. ActionBar ; import android. ActionBarDrawerToggle ; import android.
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