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

FAQs

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.

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

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.

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.

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? ›

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.

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.

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.

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.

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.

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.

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? ›

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.

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.

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

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.