How do I use a different toolbar for different fragments in a single activity? [Replied 2022] - Droidrant (2023)

On Android, a fragment has a specific app bar. If it is not the same for each fragment, the activity can interact with the app bar. On Android, when creating your fragment, a fragment can override certain methods in the framework. The following code shows how to use a different toolbar for different fragments in a single activity.

First, create a new fragment. Name it toolbar_fragment and change the layout to RelativeLayout. Then create a second fragment and call the corresponding method in the main activity. It is used to navigate between fragments. When the snippet is created, save the resource file. Now you can add it to the main activity.

If you use the onCreateOptionsMenu() method in the Fragment class, you can create a context menu for the view. This menu is activated with a long press on the fragment. However, it disappears after using it, so you can choose another method. A contextual action mode is better than a context menu. After creating a fragment, the framework calls the onCreateOptionsMenu() method. Once this method is called, you can use a different toolbar for different fragments within a single activity.

Related Questions/Content

  • Can we add a toolbar to Fragment on Android?
  • How can I customize my action bar on Android?
  • What are nested snippets?
  • What is the use of FragmentManager in Android?
  • How do you add action items to the action bar?
  • How do I get the action bar toolbar?
  • How do I set the toolbar on my Android?

Can we add a toolbar to Fragment on Android?

On Android, we can assign a context menu to a view and activate it when a user long-presses that view. It is also discarded when the user has finished using it. We can add a toolbar to a fragment for the same functionality. The toolbar is created when the Android framework calls the onCreateOptionsMenu() method in the Fragment class. We can change the visibility of the toolbar if we want.

When adding a toolbar to a snippet, it's important to remember that the toolbar must be at the top of the screen. However, this shouldn't be a problem as we can place it anywhere in the view hierarchy. To implement a toolbar, we must first assign an ID to the fragment. Next, we need to add a reference to the toolbar in the snippet. When adding a toolbar to a fragment, you must use the toolbar APIs for appbars owned by fragments. Otherwise, you can use the Fragment Menu APIs for the activity's own app bars.

A fragment's lifecycle begins when it attaches to its core activity and ends when it detaches from it. The lifecycle of the fragment starts at the onAttach() event and ends when the fragment is detached from the main activity. If the snippet was attached to the main activity, it must be detached before creating the snippet UI. For more information, see the Fragments Developer Guide.

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How can I customize my action bar on Android?

To promote your app's branding, you can customize your action bar. However, you must take special care that it is readable and contains design elements for all states. Here are some things to keep in mind. Keep in mind that the action bar isn't the only place you can make adjustments. For example, you can use a custom theme for the navigation bar. For further customization, you can use an extension theme.

The action bar is a small area that shares ownership with the application's icon and title. If you want more space for your items and make them more visible, share the action bar. By default, Android does not split the action bar when the app has enough disk space. To automatically split it in landscape mode, you need to add a metadata element to your manifest file.

The icon attribute accepts a resource ID. When the icon appears in the action bar, it is a placeholder for the title of the action. You can also set a text title using the android_showAsAction="withText" attribute. This tells the action to display a title if space is available, although it might not display if the icon is available.

What are nested snippets?

You might be wondering what nested snippets are and how they are different from simple snippets. A nested fragment is a reusable component that saves state when the containing activity changes its task or saves state. You can see a sample app by visiting github and here is the source code. Keep reading to find out more! I hope you find this useful! And be sure to come back for part two!

The underlying implementation is very similar to implementing a tab in an ActionBar, with a few key differences. The most obvious difference is that fragments are implemented as a stack of fragments. Snippets are created by clicking a tab on the action bar. They are separated by a container that stays in memory until you return to the fragment. A shard's backstack may unexpectedly revert if the shard's state is not saved until the activity saves its state.

Android lets you embed a fragment inside another fragment. This nested fragment is called a child fragment. If you want to use the nested fragment, make sure you call the host fragment's onViewCreated() method, as it's the only one that calls view creation. This is where all display adjustments are made. When adding a snippet, be sure to add it inside an activity.

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What is the use of FragmentManager in Android?

On Android, each activity has its own FragmentManager. This class provides an interface for the application to add, remove, and access fragments. There are three methods of this class: onCreateView(), onSaveInstanceState() and onDestroyView(). For example, a headless fragment has no user interface; Therefore, the onCreateView() method returns null.

On Android, a fragment can only communicate with the activity it belongs to. If it is a dialog fragment within another fragment, it may be communicating with the parent fragment. Otherwise, it must not communicate with other shards. You should only communicate with your main activity. A shard must implement the host activity interface if it wants to receive host activity data. You must also implement the necessary interface to obtain information from your main activity.

You can also assign a name to a fragment by calling addToBackStack(). This method adds the transaction to the activity history stack, which the user can later restore with the Back button. FragmentManager also has methods that check if the fragment is in the layout. The isInLayout() method checks whether the layout has added a fragment and, if so, identifies it as such.

How do you add action items to the action bar?

If you want to add more options to your menus, you can do so from the action bar. You can define the properties of each action, e.g. B. what is it for. A video player might need sharing controls, a podcast might need its own settings, etc. Actions become available as you add more properties to the element. You can add up to three to the action bar, but it's best to use a strategic plan and avoid duplicating information.

After adding action items, you can customize the text for each action item. Double-click the property tag and change the value or replace the symbol. If you add two or three actions, the text will be shortened accordingly. You can also hide these properties by checking the hide checkbox. This gives your app a clean look without compromising on features.

How do I get the action bar toolbar?

In Android Studio, you can add the toolbar preview to the activity. You can also control its size and position using XML attributes. You must first add a ConstraintLayout to your activity's main layout. Then place the toolbar display anywhere in the activity layout file. You can add navigation elements to the toolbar display. In Android Studio, you must add the property android_fitsSystemWindows="true" to the toolbar view. This ensures that it is correctly calculated for the amount of activity.

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You can also disable the action bar entirely using custom CSS code. Double tap the screen to activate the action bar. Menus and toolbars reappear. After activating it, the action bar will disappear. Alternatively, you can hide the action bar with a button. It also comes down to the main action bar. Double tap the screen to activate the action bar.

How do I set the toolbar on my Android?

There are several ways to change the toolbar on your Android device. You can make it visible or hidden by following the steps below. To activate it, you need to go to the Settings app and open the Interface section. Tap the Edit button to open the Settings dialog. Navigate to the Interface tab. Tap the Edit button to toggle the toolbar on or off. There should be a padlock next to the icon on the toolbar.

You can set the toolbar to show or hide based on the actions you perform frequently. The FIT principle determines whether or not actions should appear on the toolbar. In other words, they must be frequent or important. This method is recommended in many cases. When choosing which actions will be visible, check if they are frequent, important or typical. The FIT principle is also useful when creating toolbars on Android.

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How do I add a toolbar to fragment? ›

Fragment-owned app bar

To use the Toolbar in your fragment, provide an ID and obtain a reference to it in your fragment, as you would with any other view. When using a fragment-owned app bar, we strongly recommended using the Toolbar APIs directly.

Can one activity have multiple fragments? ›

You can combine multiple fragments in a single activity to build a multi-pane UI. A fragment can be used in multiple activities.

How to switch between fragments in Android? ›

How to Move Between Fragments Using the Navigation Component
  1. Add the dependencies for the navigation component.
  2. Create the navigation graph resource.
  3. Add the NavHostFragment to the MainActivity layout.
  4. Create Actions enabling navigation between Destinations in the Navigation Graph.

How do I pass one fragment to another fragment? ›

So to share a string between fragments you can declare a static String in Activity. Access that string from Fragment A to set the value and Get the string value in fragment B. 2. Both fragments are hosted by different Activities- Then you can use putExtra to pass a string from Fragment A of Activity A to Activity B.

How one fragment can communicate with other fragment working under the same Activity? ›

Fragment Communication

To have a sharing of data between Fragments, either you can use a shared ViewModel that is shared between all the Fragments or you can make an Interface and then use this interface to communicate between fragments.

How do I add another Toolbar? ›

How do I create a new toolbar?
  1. Right-click the taskbar.
  2. Select Toolbars, then New Toolbar.…
  3. Select a root folder, and click New Folder.
  4. Give the folder a name, and press Enter.
  5. Select the new folder, and click OK to add it to the taskbar.

How do I add a custom Toolbar to my Android? ›

Add a Toolbar to an Activity
  1. Add the v7 appcompat support library to your project, as described in Support Library Setup.
  2. Make sure the activity extends AppCompatActivity : ...
  3. In the app manifest, set the <application> element to use one of appcompat's NoActionBar themes. ...
  4. Add a Toolbar to the activity's layout.
Jan 26, 2023

How do I add a new Toolbar? ›

Add a command to the Quick Access Toolbar
  1. On the ribbon, select the appropriate tab or group to display the command that you want to add to the Quick Access Toolbar.
  2. Right-click the command, and then select Add to Quick Access Toolbar on the shortcut menu.

Why single Activity is better? ›

This pattern defends that instead of using an activity for each screen, the app is built with a single activity that works as a container for fragments that will be replaced for each screen, and manage through a stack. The core idea is to change the activities for fragments.

Can two fragments use same ViewModel? ›

Use the ViewModel to update the UI

You will use the activity instance instead of the fragment instance, and you will see how to do this in the coming sections. That means the view model can be shared across fragments.

Are fragments faster than Activity? ›

Each tab will have a fragment to hold the products. The tabs could either held in activity or a fragment. I do find fragments a slightly faster than activities but really its not something you would really notice in most cases. Regardless if they was intended for speed or not they still seem/feel little quicker.

What is the difference between fragments and activities in Android? ›

Activity is an application component that gives a user interface where the user can interact. The fragment is only part of an activity, it basically contributes its UI to that activity. Fragment is dependent on activity. It can't exist independently.

What is the difference between activity and fragment in Android? ›

Activity is the part where the user will interacts with your application. In other words, it is responsible for creating a window to hold your UI components. (UI components and how to build a layout will be discussed in another article). Fragment represents a behavior or a portion of user interface in an Activity.

What is the main use of fragments in Android? ›

Fragments introduce modularity and reusability into your activity's UI by allowing you to divide the UI into discrete chunks. Activities are an ideal place to put global elements around your app's user interface, such as a navigation drawer.

How can I switch between two fragments without recreating the fragments each time? ›

private val advancedHome = HomeAdvancedFragment() private val basicHome = HomeBasicFragment() override fun onCreate(savedInstanceState: Bundle?) { ... // Attach both fragments and hide one so we can swap out easily later supportFragmentManager. commit { setReorderingAllowed(true) add(R. id.

How do I pass bundles between fragments? ›

Steps for Sending a Bundle to a Fragment

The bundle will be saved using a key/value pair, so in MainActivity. java create a String variable for the key. Create a new bundle. Use the appropriate method from the Bundle class to send your bundle.

How do I pass data from one fragment to another fragment using bundle? ›

Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main. xml. In the above code, we have taken fragments to pass the data between two fragments.

How to communicate one fragment to another fragment in Android? ›

The solution is to make an callback listener interface that the Activity will implement. When the Fragment wants to send a message to another Fragment or its parent activity, it can do it through the interface. It is ok for the Activity to communicate directly to its child fragment public methods.

Could two fragments can communicate directly? ›

To keep fragments self-contained, you should not have fragments communicate directly with other fragments or with its host activity. The Fragment library provides two options for communication: a shared ViewModel and the Fragment Result API. The recommended option depends on the use case.

How will you pass data from one fragment to another fragment in Android using interface? ›

To pass data from one fragment to another Bundle will help. LifeShapeDetailsFragment fragment = new LifeShapeDetailsFragment(); // object of next fragment Bundle bundle = new Bundle(); bundle. putInt("position", id); fragment. setArguments(bundle);

How do I use multiple taskbars? ›

Right click on the taskbar, and select “Settings” (Left image). In the “Settings > Taskbar” menu, scroll down to “Multiple displays” and you can choose how the taskbar will be displayed on each device.

What is a secondary toolbar? ›

Secondary toolbar (Write mode) The secondary toolbar contains options that allow you to perform common operations when inputting and editing music, such as moving the caret, copying and pasting notes/items, and accessing the context menu. It is located at the top of the project window, below the toolbar.

How do I have two Toolbars? ›

Just click somewhere in the taskbar, hold the button down, and then drag it up and to the right (or left). Now your taskbar runs vertically, rather than horizontally. Now you know how to add multiple toolbars to your Windows taskbar!

What is the difference between ActionBar and ToolBar in Android? ›

What is the difference between the toolbar and the action bar? The most obvious difference between the two is the updated visual design of the toolbar. The toolbar no longer includes an icon on the left side and decreases some of the spacing between the action items on the right side.

How do I change my ToolBar settings? ›

Press and hold (or right-click) any empty space on the taskbar, and then select Taskbar settings . In the Taskbar settings, scroll to see the options for customizing, sizing, choosing icons, battery information and much more.

Which method is used to add menu to the ToolBar in Android? ›

Make a menu xml

This is going to be in res/menu/main_menu . Right click the res folder and choose New > Android Resource File. Type main_menu for the File name. Choose Menu for the Resource type.

Where is toolbar options? ›

Start by looking up to the left-hand corner of your screen. You should see a toolbar with about six buttons on it, and, just below that, another toolbar with two buttons.

What are examples of Toolbars? ›

Common computer software toolbars and other bars

Barcode - A series of lines that identifies an address, product, or other information. Browser toolbar - Any toolbar in an Internet browser. Bookmarks bar - Bar showing frequently visited bookmarks. Command bar - A bar that shows available commands in a program.

What is the advantage of single activity Android? ›

Benefits of Single Activity Architecture
  • Overcome Inconsistent Behavior: Android Application needs to support multiple API versions of Android and Devices. ...
  • Sharing Data between Components: Sharing data between Activities has to be in the Application Scope. ...
  • User Experience: ...
  • Development experience: ...
  • Conclusion:
Mar 6, 2021

What is the difference between single activity and multiple activity in Android? ›

If you have multiple Activities , you'll need to recreate that component on each of the Activities . But if you have a single Activity , you just add that component to the Activity layout and can forget about it.

How do I change the fragment in navigation drawer? ›

Each item when clicked will switch the relevant fragment into the activity's container view.
  1. Setup.
  2. Download Nav Drawer Item icons.
  3. Setup Drawer Resources.
  4. Define Fragments.
  5. Setup Toolbar.
  6. Setup Drawer in Activity.
  7. Navigating between Menu Items.
  8. Add Navigation Header.

How do I use the same ViewModel in different fragments? ›

In android, we can use ViewModel to share data between various fragments or activities by sharing the same ViewModel among all the fragments and they can access everything defined in the ViewModel. This is one way to have communication between fragments or activities.

Can you have multiple ViewModels? ›

Binding Multiple ViewModels

Whether you are simply looking to keep your ViewModels nice and clean, or you have a shared ViewModel that appears on each page, there will come a time when you wish to bind multiple ViewModels on a single page. Knockout makes this quite easy.

What are the 3 types of fragments? ›

There are three main types of sentence fragments: sentences missing a subject, sentences missing a verb, and subordinate clause fragments. Let's examine them more closely so you'll know how to spot them.

What is the best fragment? ›

Destiny 2: Every Stasis Fragment, Ranked From Worst To Best
  1. 1 Whisper of Chains.
  2. 2 Whisper Of Rime. ...
  3. 3 Whisper Of Hedrons. ...
  4. 4 Whisper Of Shards. ...
  5. 5 Whisper Of Fissures. ...
  6. 6 Whisper Of Conduction. ...
  7. 7 Whisper of Torment. ...
  8. 8 Whisper Of Bonds. ...
Jul 23, 2022

What are 4 types of fragments? ›

  • Prepositional Phrase Fragments. Prepositional phrase fragments involve prepositions (for, to, during, through, etc.). ...
  • Infinitive Fragments. ...
  • -ing Fragments. ...
  • Dependent Clauses. ...
  • Fragments using subordinate clauses. ...
  • Relative pronoun fragments.

How many fragments can be added to Activity in an? ›

There is no official guideline regarding the limit of fragments that can be added to an activity. You can have as many as you need and looks logical for your app.

Are fragments faster than activity? ›

Each tab will have a fragment to hold the products. The tabs could either held in activity or a fragment. I do find fragments a slightly faster than activities but really its not something you would really notice in most cases. Regardless if they was intended for speed or not they still seem/feel little quicker.

What is the difference between activities and fragments in Android? ›

Activity is the UI of an application through which user can interact and Fragment is the part of the Activity, it is a sub-Activity inside activity which has its own Life Cycle which runs parallel to the Activities Life Cycle.

Is FragmentActivity the same as activity? ›

A FragmentActivity is a subclass of Activity that was built for the Android Support Package. The FragmentActivity class adds a couple new methods to ensure compatibility with older versions of Android, but other than that, there really isn't much of a difference between the two.

How do you connect fragments? ›

Three Ways to Turn a Fragment into a Complete Sentence
  1. Attach. Attach the fragment to a nearby complete sentence. Incorrect: I forgot to eat breakfast. ...
  2. Revise. Revise the fragment by adding whatever is missing – subject, verb, complete thought. ...
  3. Rewrite. Rewrite the fragment or the entire passage that contains the fragment.

How do I gather the three fragments? ›

First, pull the left lever and hit the middle mechanism. Then, pull the left lever and then the right one. Gamers then need to simply go around the left side, and a new pathway will open up.

How do you add a fragment to an activity? ›

You can add your fragment to the activity's view hierarchy either by defining the fragment in your activity's layout file or by defining a fragment container in your activity's layout file and then programmatically adding the fragment from within your activity.

How do I navigate to a previous fragment without reloading it? ›

Use Add() instead of replace() for opening previous fragment without reloading it.

How to use nested fragments in Android? ›

To nest a fragment, simply call getChildFragmentManager() on the Fragment in which you want to add a fragment. These returns a FragmentManager that you can use like you normally do from the top-level activity to create fragment transactions.

How to add multiple fragments dynamically in Android? ›

To dynamically add fragments to an existing layout you typically define a container in the XML layout file in which you add a fragment.
For this you can use a framelayout as in the following:
  1. FragmentManager fm = getFragmentManager();
  2. FragmentTransaction fragmentTransaction = fm. ...
  3. Fragment1 fm2 = new Fragment1();
Mar 30, 2020


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