Android fragment refresh itself kotlin.
This class was deprecated in API level 28.
Android fragment refresh itself kotlin. Prerequisites Fragment Lifecycle in Android ViewModel in Android Architecture Components Steps to implement the communication between fragments Step 1: Create an empty activity project Create an empty activity Android Studio project, and select Kotlin as the programming language. Oct 30, 2020 · I am following Shrine example application which is implemented in Kotlin part of Google official codelabs for developers. May 21, 2023 · Android : Refresh fragment when dialogfragment is dismissed To Access My Live Chat Page, On Google, Search for "hows tech developer connect" Here's a secret feature that I promised to disclose to you. How to do it? I try to do it like this but old version of fragment appears on the top of the screen (picture is attached): binding. I have successful connections with Firestore and can successfully retrieve the data I want, but I am having difficulty displaying it w FragmentTransaction | API reference | Android Developers Feb 9, 2016 · 3 I have a floating button in one of my fragments. Aug 7, 2013 · So if you need to update Fragment you can do it with: Always return POSITION_NONE from getItemPosition() method. id. Nov 4, 2012 · 59 My application has a Fragment inside its Activity. I have used a fragment transaction and replaced fragment “A” with fragment “B”. API surface Use the PullToRefreshBox composable to implement pull-to-refresh, which acts as a container for your scrollable content. FragmentLifecycleCallbacks FragmentManagerNonConfig FragmentTransaction GameManager GameState GrammaticalInflectionManager Instrumentation To refresh a fragment within a TabLayout when a button is clicked, you need to have a way to communicate between the fragment containing the button and the fragment within the TabLayout. Fragments serve as reusable containers within your app, allowing you to present the same user interface layout in a variety of activities and layout configurations. Jun 6, 2018 · Android Fragment is part of Android app UI or represents a behavior (DialogFragment, ListFragment)of the particular portion in an application. fragment. Delete is working fine but once data got deleted then fragment is not refreshing the layout. But the fragment does not start. The following table outlines the operations that cause your fragment to lose state, along with whether May 10, 2011 · Or you can keep the fragment and call a method of this fragment that will refresh itself. To keep fragments self-contained, don't have fragments communicate directly with other fragments or with their host activity. The code must be placed inside the Fragment that needs to be updated. But if in the meantime if more data is updated to the database then we can use this The Activity has two Fragment s. It's not a good practice to "refresh" the fragment the way you're doing. And when I click the button at Fragment-B , it will t Fragments Fragments allow us to reuse elements of code. Base on what you try to refresh, you probably need to do a call to an API or something like that. Is it possible to change the language inside the application without having effect to general language settings ? This questio After this, I would like to refresh my currently displayed fragment's view to display with new locale settings. Sep 21, 2021 · In this video, I show you How to do Refresh Fragment at reload. Now the problem is when I go back from the activity to the fragment the fragment does not auto refresh. You can build single-pane layouts for handsets (phones) and multi-pane Apr 7, 2020 · That is what I have in my app Activity with 2 fragment with ViewModels and Databinding. Query DownloadManager. While the FragmentManager API was introduced in android Jul 23, 2025 · Pull to Refresh is used to update the data within the list in our android application. Respond to the refresh gesture When the user makes the swipe-to-refresh gesture, the system displays the progress indicator and calls your app's callback method. Using this widget when the user swipes down the list which is being displayed on the screen is updated. startActivity with the activity Intent? Jan 5, 2019 · In My Project, I am deleting records in the recyclerview based upon the id. findFragmentById(R. But a lot has changed since then. All of the setup and teardown operations are managed by the class itself. java // In Activity: @Override public void onTabSelected (ActionBar. In that case, all the resources used before the configuration change are still used, and you only avoided the restart of your activity. This guide provides practical solutions to enhance your app's performance and user experience . Jan 30, 2025 · Fragment is a piece of an activity that enables a more modular activity design. Although you don't need to host your dialog within a fragment, doing so lets the FragmentManager manage the state of the dialog and automatically restore the dialog when a configuration change occurs. A fragment defines and manages its own layout, has its own lifecycle, and can handle its own input events. That's the advantage of having a fragment, after all - it is its own controller. Now, in 2020, if you are working with Kotlin and want to change the fragment then you can do the following. When a user navigates and interacts with your app, your fragments transition through various states in their lifecycle as they are added, removed, and enter or exit the screen. Viewmodel is responsible for holding your state when Fragment is put on the backstack. If we have older code, then we can easily migrate it in Jetpack Compose. Sep 4, 2020 · Hello again guys you have been helpful in the last week with my journey to learn kotlin and my first time kotlin app. padding import androidx. By using Fragments, you can build complex and flexible user interfaces while maintaining code organization and reusability. Link donate : http://paypal. SavedState FragmentBreadCrumbs FragmentContainer FragmentController FragmentHostCallback FragmentManager FragmentManager. Aug 20, 2017 · there is a MainActivity with it's fragment named FragmentOne. Latest Stuff Okay. In this video I'll go through your question, provide various answers & hopefully Refresh/Reload/Re instantiate a Fragment in an android tab system Raw sample. Discover best practices, common pitfalls, and expert tips for seamless app development. Here is the type How do I restart an Android Activity? I tried the following, but the Activity simply quits. i try to delete all rows from my database. Therefore, you need to ensure that any data in your fragment is saved and restored as well. The fragment’s view hierarchy becomes part of, or attaches to, the host’s view hierarchy. getWeather () function in the ViewModel is called when the fragment is loaded either on app launch or when switching to it, but on the swipe to refresh, it isn't being called. Each set of fragment changes that you commit is called a transaction, and you can specify what to do inside the transaction using the APIs provided by the FragmentTransaction class. Oct 23, 2024 · Converting an activity into a fragment involves creating a fragment class, moving over your layout and code, and adjusting for the differences between activities and fragments. How can I refresh the current fragment the user is in? Oct 7, 2018 · To reload a fragment self for example if you using a recyclerview inside fragment if you want to reload the fragment to load the data from network you can use this method. i have a List of items in this fragment and these data are save in my database i make changes from NavigationView in MainActivity . Feb 11, 2025 · Handle configuration changes in your Android app. lazy. Icons import androidx. And to avoid the null check of the nullable binding object, by using the backing property of the kotlin we make another copy of the binding variable (which in Aug 22, 2011 · How to transfer some data to another Fragment likewise it was done with extras for intents? Aug 11, 2019 · Currently, with this setup, the forecastRepository. After I update the user profile, when I click on BackPressed Button to Back to the Account Fragment,the Account Fragment didn't refrech and the new information didn't appear. fillMaxSize import androidx. Jun 9, 2016 · To refresh the current Android Fragment you can use the snippet below. Jun 16, 2010 · Is it a good practice to reload an Activity in Android? What would be the best way to do it? this. I figured it’s be useful to be able to re-use views rather than make new ones every… Dec 28, 2013 · I have try to close the current fragment by using Imagebutton. i. Just Fragments are onDestroyView() state. But I have a problem, the problem is when i use FragmentTransaction to refresh my fragment, it returns an error; java. onResume() method. icons. I want to force the main layout resource view to redraw / refresh, in say the Activity. Most of the time when we open any app then it fetches all the data currently available. I am using compose in conjunction with fragment views. makeText(getActivity(), " Apr 17, 2021 · Instead of detaching and attaching in onResume, try calling only createRecentlyViewedButton (recentlyViewed) method there. In that place, if we restart our app then it automatically gets refreshed. What is Fragments in Android? What understand is that you shouldnt prevent recreation but instead use fragment saveInstance (bundle) or ViewModel to remember the state of your view. kt files Firstly the binding variable which is nullable is assigned to null initially, and also when the view of the fragment gets destroyed, again it has to be set null (which in this case _binding). Feb 10, 2025 · A DialogFragment is a special fragment subclass that is designed for creating and hosting dialogs. You cannot just expect the data to be changed automatically like that since notifyDataSetChanged only: Notifies the attached observers that the underlying data has been changed and any View reflecting the data set should refresh itself. Is it possible? If so, how to do it? Aug 19, 2019 · Fragments are one of the most powerful tools while developing responsive apps, but they can be a huge headache for the new developer. I have workmanager implemented I could do it using sharepreferences, but it i SwipeRefreshLayout is a layout that enables pull-to-refresh functionality for Android applications, providing a seamless user experience. facebook. DirectAction. getPosition ()); Feb 10, 2025 · The swipe-to-refresh user interface pattern is implemented entirely within the SwipeRefreshLayout widget, which detects the vertical swipe, displays a distinctive progress bar, and triggers callback methods in your app. Instead, RecyclerView reuses the view for new Jan 3, 2011 · In Android applications such as Twitter (official app), when you encounter a ListView, you can pull it down (and it will bounce back when released) to refresh the content. I try to Make other Fragment C in Fragment B, so, There are 3 Fragment in the Activity. mContainerId' on a null object reference Can you help me on how to properly refresh my fragment? Should I use fragment transaction? Nov 30, 2014 · I'm having an issue restarting the fragment in my Activity. Jul 23, 2025 · In Android, a fragment is a modular section of a user interface that can be combined with other fragments to create a flexible and responsive application. I You have some duplicated code, and you're doing a lot in functions that only happen when the Fragment is created the first time. Step 2: Working with the activity_main. Otherwise, a new transaction will be committed to remove the fragment. But before deep into it, I would like to clarify the concept of Viewpager and when and why we should use it. Is Dec 26, 2021 · You have 4 different instances of the same tab. FragmentManager for consistent behavior across all devices and access to Lifecycle. remove(rSum). Dec 4, 2013 · Android Studio says: Calling detach () and attach () in the same FragmentTransaction is a no-op, meaning it does not recreate the Fragment's view. The problem is that Kotlin for Android Monetization with Play ↗️ Android Developer Verification Extend by device Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. Understanding the activity and fragment lifecycle is crucial for building a robust, stable and scalable app. mViewPager. Learn how to prevent fragment recreation when navigating back in an Android application using Kotlin. Is there a way in android that I can call a method from a fragment from within an activity. On the other hand when you are opening the secondary fragment (fragment in fragment) which is defined as "DetailedPizza" in my code it will return the previous state of primary fragment. I guess Fragment B and C is dead. At the moment you just display the refresh animation, that why it just displays the refresh animation. The following key parameters control the refresh behavior and appearance: isRefreshing: A boolean This class was deprecated in API level 28. Adding a Fragment to an Activity using the Layout XML File Fragments may be incorporated into an activity by writing Kotlin code or embedding the fragment into the activity’s XML layout file. For example, a TV app might not want to react when a Bluetooth keyboard Feb 10, 2025 · If you want to show multiple fragments at once, such as in a split-view or a dashboard, you can use child fragments that are managed by your destination fragment and its child fragment manager. How is that possible? Oct 23, 2015 · I am working on the user login procedure First of all, the user enter a fragment , In fragment , it firstly check whether the user has logged in , if true, then inflate the login-ed screen, othe Check the Android documentation on "Saving state with fragments". NullPointerException: Attempt to read from field 'int android. Fragments can't live on their own. Here is the RefreshFragment class (and all my fragments extend this one in my example) : public class RefreshFragment extends Fragment { Mar 6, 2018 · This time around I took a stab at learning fragments. You can think of Fragments as module section UI or behavior of Activity with its own Lifecycle. If a library provides classes that need to work with the Android lifecycle, we recommend that you use lifecycle-aware components. public void reLoadFragment(Fragment fragment) { Log. I want onDestroy() or onDetach(). If you have any questions or suggestions feel free to rate this snippet, post a comment or Contact Us via Email. There is a refresh method in fragment which when call set the new counter value based on records. I also tried Where is your code to refresh your Fragment? You need to do something, the Fragment doesn't automagically refresh itself. For more information, see the guide Jul 12, 2015 · I am trying to figure out what is the issue with updating RecyclerView's Adapter. Feb 10, 2025 · This document shows how to update your app when the user requests a manual refresh, whether they trigger it with a swipe gesture or use the action bar refresh action. Dec 11, 2016 · Being a developer we face many difficulties while developing. You can group multiple actions into a single transaction—for example, a Apr 21, 2024 · But I don't get how to merge the refresh trigger with the loading of the data while we need to make sure it's emitted in the original flow? Could you please give me some example on how you would handle this stuff if the network response ( getSomeDataUsecase()) would contain a flow itself? Mar 24, 2012 · Is there any way I can detect when a DialogFragment is dismissed, so that i can update its parent fragment? Feb 10, 2025 · Various Android system operations can affect the state of your fragment. beginTransaction(). Feb 5, 2023 · Android activities and fragments are the fundamental building blocks of an Android app. In this article, we will be building a simple application in which we will be displaying a list view inside which we will be implementing a Jan 20, 2022 · I want to refresh my fragment by clicking on its button. me/lirstechtipsGroup : https://www. beginTransaction Sep 6, 2017 · This is a follow up question to this question: Force application to restart on first activity I am trying to restart my application from a fragment like that: Toast. I have done that and working perfectly. Interface for interacting with Fragment objects inside of an Activity Developer Guides For more information about using fragments, read the Fragments developer guide. Sep 3, 2015 · Nowadays, Android apps tend to implement the Android Navigation component (which simplifies fragment management and navigation), in which case it is recommended to take another approach than the other suggested answers to avoid directly manipulating fragments and interacting with the fragment manager. foundation. public static void restartActivity(Activity act){ Intent intent=new Intent(); intent. Tab tab, FragmentTransaction fragmentTransaction) { // When the given tab is selected, switch to the corresponding page in // the ViewPager. Each possible Lifecycle state is Jul 17, 2018 · Before trying the Navigation component I used to manually do fragment transactions and used the fragment tag in order to fetch the current fragment. You need to change the data by yourself first, then call Kotlin on Android tutorial series on Android Fragments. It which means: "Fragment must be always recreated" You can create some update () method that will update your Fragment (fragment will handle updates itself) Provides API reference for managing fragments in Android application development, including lifecycle, transactions, and interaction with the activity. Jun 25, 2022 · The fragment counter depends on the records of entity which can change in browse screen. Learn how fragments are created, managed, and destroyed in Android apps. For example, if I click on a button inside the fragment, the fragment should be replaced with another one, but the activity should remain the same. Resumes the WebView. Aug 13, 2025 · This topic describes how to include framework-provided APIs in tests that evaluate each fragment's behavior. This document describes how to create a fragment and include it in an activity. When the user completes a round, I need the fragment that is implemented by the activity to completely restart. A comprehensive guide to understanding Fragment lifecycle in Android development with Kotlin. Any help is appreciated. You supply the data and define how each item looks, and the RecyclerView library dynamically creates the elements when they're needed. Enable this behavior by adding the widget to your layout file as the parent of a ListView or GridView and implementing the refresh behavior that is invoked when the user swipes Apr 24, 2025 · Providing clear and responsive feedback is crucial for enhancing user experience in Android apps, particularly when users explicitly request data refresh through interactions like pull-to-refresh Jul 28, 2022 · In my kotlin project, I want to refresh fragments from an Actvity. Feb 10, 2025 · Fragments As outlined in the preceding sections, when using fragments you have the option to create a navigation graph programmatically using the Kotlin DSL, XML, or the Android Studio editor. I have used android view to wrap around an AdView that is supposed to show ad FragmentManager API reference provides detailed documentation on managing fragments in Android applications, including their lifecycle, transactions, and communication. I was thinking this would be done in onResume. onBackPressed () is a method that is to be implemented in our activity in order to run a function GitHub is where people build software. Episodes include creating a fragment. when switching from one tab to other. Example: In the parent activity, I build and store a list of fragments List<RefreshFragment> mFragmentList. Refer to our blog for more info - https://www. Note: PullToRefreshBox() is experimental. you can pass data from a fragment to that activity and use if-else statement for again calling Feb 10, 2025 · At runtime, a FragmentManager can add, remove, replace, and perform other actions with fragments in response to user interaction. To manage lifecycle, Fragment implements LifecycleOwner, exposing a Lifecycle object that you can access through the getLifecycle() method. There is loads of similar questions on here but being new to Android development I can't seem to get any to work. Fragment. You can remove that call from the onCreateView (). It is recommended to integrate this because older class i. gradle file add the following, dependencies { def fragment_version = "1. It is the modular section of the android activity that is very helpful in creating UI designs that are flexible in nature and auto-adjustable based on the device screen size. Jun 1, 2012 · What if the fragment has not been recreated, but needs to be updated anyway? Updates to a living fragment are best handled by the fragment itself. Switching between fragments. I have also seen people recommending initiating a fragment transaction and replacing the current fragment with a new one, and it has kept me wondering Why should I create a whole new fragment and replace my current fragment when all I need is to refresh the text on the views that my fragment contains. In “A” Fragment I have developed one form and in that form some data is coming from a database. So, I firstly get the current fragment (that's the latest one in backstack): Oct 27, 2019 · Well I have some case and need to keep my current fragment even I open some new fragment, but when I put findNavController (). Jul 23, 2025 · Pull to Refresh is used to update the data within the list in our android application. When I click on a button I want to refresh my current Fragment // Reload current fragment Fragment frg = null; frg = getActivity(). someaction) in my click listener, its always destroy my current fragment, I already search on Stac Feb 27, 2020 · 0 everyone, my issue is : I'm in ProfilFragment, that was generated with the Menu Drawer it extends Fragment, and I can't change this (it broke some other part). Refer to Android | How to Create/Start a New Mar 27, 2011 · Is there a way in which we can implement onBackPressed() in Android Fragment similar to the way in which we implement in Android Activity? As the Fragment lifecycle do not have onBackPressed(). Feb 5, 2020 · what about using nav host for each item in bottom navigation and on clicking of the icon you change their visibility. The following sections detail these different approaches. navigate (R. Once the fragment layout and class have been created, the fragment is ready to be used within application activities. On click of which an activity pops up. As the name implies, RecyclerView recycles those individual elements. fragments; import Predictive Back Gesture Support Fragments now provide support for Predictive in-app back when using Animator or when using AndroidX Transition 1. And I try to Replace Fragment B to Fragment D. We demonstrated the application in Kotlin, so make sure you select Kotlin as the primary language while creating a New Project. Here is my code to replace Fragment A with FragmentB. Also, we can use this to restart our app whenever it crashes. Dec 29, 2016 · How can I communicate a listview of a ListFragment after an event of a Fragment inside another Fragment? In the ListFragment (fragment A) I have a method to refresh the ListView. So, How to refresh the Account Fragment after onbackpressed from activity ? onPause Added in API level 11 public void onPause () Called when the fragment is visible to the user and actively running. Here is the code that I have implemented. Implementing a Navigation Drawer, ToolBar & ViewPager. Aug 14, 2019 · I'm making an Android app using Kotlin with Firebase products. universityofwah. v4. Since fragment is a small portion of the bigger user interface, it can only be initialized inside an activity or another fragment. So this is a very old question and has great answers from that time. commit(); Senario 2 : When we add fragment into backstack on the key basis like this; FragmentTransaction fragmentTransaction = fragmentManager. Dec 18, 2016 · My application users can change the language from the app's settings. Come to the definition, You can use multiple fragments in a activity and same fragment in Oct 20, 2020 · Okay, if the problem is still coming use another way, Like call the activity again from the fragment. app. it works, but after that i need to refresh my FragmentOne, how can i refresh the FragmentOne UI ? Jul 23, 2025 · Prerequisites: Introduction to Activities in Android Introduction to Fragments in Android In Android, a fragment is a portion of the user interface that can be used again and again. Jan 24, 2020 · Account is a fragment and when I click on the update Button I go to the UpdateProfile activity. Dec 20, 2021 · In this android example tutorial, we will see how to create a fragment and add to the activity in Android Studio by using Kotlin Language. i(LogGeneratorHelper. 5" // Kotlin Learn how to add pull to refresh or swipe refresh layout in Android using kotlin. support. This will freshly populate the viewPager with new instances of your fragments which is like restarting / refreshing the fragment. i am making an shopping list app so i use recycleView to present the use shopping Mar 1, 2025 · Learn to manage Fragment Lifecycle in Android apps effectively with this practical guide. e. com/groups/808719699605259Fan Page: I am working with native kotlin. Now, if I change a few things in FragmentA, I want MainActivity to reflect the new changes once FragmentA is dismissed. Cheers ! Inside activities on back pressed put this: Fragment home To add a little bit to it, this happens in android versions 26 and above where reordering is allowed by default. I looked over the Fragment documentation but there aren't many examples describing what I need. Fragments were Mar 18, 2017 · Thanks for this. 0. Note: This guide assumes familiarity with creating dialogs. The parent activity can then Mar 19, 2016 · I already want to start my RecipientFragment from my MainActivity and pass data onto the Fragment from my MainActivity. The fragment has an if / I want to add a Fragment to an Activity that implements its layout programmatically. Icon import Nov 2, 2013 · I'm building an App that use Fragment and a single MainActivity that showing different fragments in the same ViewPager to replicate the behaviour of a typical MVC application. Today i am gonna talk about fragment communication or simply we can say how to refresh one fragment from another fragment in tab layout… Mar 17, 2017 · Earlier this code was working but it now it suddenly stopped working. This… Jan 18, 2021 · Hey knowledge seekers,In this video we will learn how to reload a particular Fragment in Android. Use the Support Library androidx. If the call to API happens again through viewmodel, you should check in viewmodel if you already have data from before and is persisted, if yes, do not do the call again. Then whenever you change the page you need to notify the fragment that it has come to foreground you can do so by calling a method on Allorderstab class and then refreshing the data from this method. Note: Some Android Jetpack libraries, such as Learn the best methods to refresh a fragment from its parent activity in Android, along with code examples and common mistakes to avoid. xml file Jun 30, 2024 · Fragments are a fundamental part of Android development, allowing developers to create dynamic and flexible user interfaces that work… Mar 14, 2017 · There are two senario in which we can refresh the fragment: Senario 1: When our fragment is current then we do FragmantClass rSum = new FragmantClass(); getSupportFragmentManager(). material. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects. Box import androidx. 2. Kotlin and Android Fragments offer a powerful way to create modular and reusable UI components. nav Nov 29, 2023 · Add/Remove and Refresh Fragments in ViewPager2 Android introduced new class to support view paging. Mar 20, 2025 · If we need to use our LocationListener from another activity or fragment, we just need to initialize it. B Jul 23, 2025 · Step 5: Working with the Fragments. Also I want it to refresh on back pressed. material3. How can I do this ? By main layout view, I mean the one ('R. In this tutorial, we will adapt the RecyclerView application, so that when used in landscape orientation, it can display both the list and the fields for adding a new item, as shown here: Make a copy of the completed ShopList application from the RecyclerView tutorial and open it in Android Studio Right click on the package folder with This solution works perfectly for bottom bar based fragment navigation when you want to close the app when back pressed in primary fragment. If you would like the view to be recreated, separate these operations into separate transactions. If the fragment was added to the back stack, all back stack state up to and including this entry will be popped. C Feb 10, 2025 · To properly react to user events and to share state information, you often need to have channels of communication between an activity and its fragments or between two or more fragments. When I finish Activity, it should refresh the fragment. This means that the user needs to click on the navigation drawer and select the fragment again to see it translated. If you don't need to update your application based on these configuration changes, you can instead not implement onConfigurationChanged(). Mar 29, 2025 · Creating a modern Android app isn’t just about displaying content — it’s about enhancing user experience with smooth interactions, accessibility, and offline capabilities. Android devices exist in a variety of screen sizes and densities. The application and codelab The last step, We are asked to Modify your Shr Sep 3, 2025 · RecyclerView makes it easy to efficiently display large sets of data. And using View binding, I have a fragment view that I wish to change the view binding when a database is updated without needing to update the whole activity. Reordering comes into play when two fragment operations are requested at the same done, for example adding fragment 1 and then replacing it with fragment 2, which causes only the latter (replacing fragment 2) to happen. We will create one sample android project with pull to refresh or swipe refresh layout. In this tutorial, you will see Android Fragment Example in Kotlin. Aug 7, 2020 · I want to save instant of my fragment and then restore back on reopening the tab. Jul 23, 2025 · In Android, the Fragment is the part of the Activity that represents a portion of the User Interface (UI) on the screen. 5. A fragment has its own lifecycle, receives its own input events, and you can add or remove fragments while the containing activity is running. Room Database with Livedata to update UI continuously. The snippet will call the Method of the Fragment. So if we wish to Oct 9, 2022 · I have implemented BottomNavigationView with NavController but fragments keep reloading on each click, even with the new navigation library update. Apr 7, 2021 · I need to stop each fragment from refreshing when selected from the bottom menu. One way to achieve this is by using an interface to define a callback method in the fragment containing the button, and then implementing this interface in the parent activity. I’m on vacation so i cant go in depth but look at ViewModel, shared view model between fragment/activities. lang. They must be hosted by an activity or another fragment. what this gonna do is when you call activity the activity of runs oncreate method and your fragment will be called and it is the updated fragment. here is my fragment code: package com. Setup your environment Fragments require a dependency on the AndroidX Fragment library. If you need to refresh the tabs everytime the user navigates to your tab you need to add a PageChangeListener to your tabs view. Adaptive apps Android XR Wear OS Oct 13, 2015 · If I select an item in the navigation drawer, it launches a dialog fragment FragmentA. Everything is working smoothly (activity refreshes, navigation drawer and all fragments get translated) but the fragment that's open doesn't. setCurrentItem (tab. Sep 11, 2020 · answered Aug 27, 2022 at 6:51 Surajkaran Meghwanshi 722 1 8 22 android kotlin android-fragments android-architecture-navigation Nov 24, 2021 · In this Android tutorial, I will show you how we can update/refresh/reload the fragments inside Viewpager2 dynamically. Mar 21, 2010 · After I do some change in my database, that involves significant change in my views, I would like to redraw, re-execute onCreate. Given the versatility of fragments, it's important to validate that they provide a consistent and resource-efficient Feb 10, 2025 · Each Fragment instance has its own lifecycle. When an item scrolls off the screen, RecyclerView doesn't destroy its view. Apr 10, 2025 · Jetpack Compose is the future of Android UI that replaces the XML layout with Kotlin code. Fragments simplify the reuse of components in different layouts and their logic. gradlebuilder NavHostFragment is a class in Android's Navigation component that hosts navigation graphs and manages navigation between fragments. To ensure the user's state is saved, the Android framework automatically saves and restores the fragments and the back stack. finish and then this. I would first recommend trying to clean up the code a little; make a function you can call whenever you want to update the views. In your app level build. Apr 23, 2019 · Within the fragment I have a refresh button in the action bar on pressed of which I call a refreshFragment () method. This allows users to use the back gesture to see the previous fragment by seeking your Animator/Transition before deciding to either commit the transaction via completing the gesture or canceling. The full tutori import androidx. Sep 3, 2025 · The pull to refresh component allows users to drag downwards at the beginning of an app's content to refresh the data. Jul 23, 2025 · Note: This discussion is implemented in Kotlin programming language. Request ExpandableListActivity Fragment Fragment. You Jul 23, 2025 · Step 1: Create a New Project in Android Studio To create a new project in Android Studio please refer to How to Create/Start a New Project in Android Studio. Explore the API reference for Fragment in Android development, covering lifecycle, input events, and integration within activities. val fragment:MyFragment = supportFragmentManager. layout. After I get a new List of products, I tried to: Update the ArrayList from the fragment where recyclerView is creat Apr 21, 2015 · In my Android Application, I have two Fragments in my Activity, A and B. Fragment B is Detail. BUT these Fragments is alive. Fragment A is Menu. Fragment manages its own layout and has its own life cycle. Builder DownloadManager DownloadManager. Fragment is not detaching from parent activity. Refresh import androidx. . Jul 23, 2025 · Sometimes we want to refresh an Activity, but there it is not possible to refresh. mhm. ViewPager2. I wonder what is the bes Jun 26, 2012 · Instead, you should use the dismiss() method of the DialogFragment itself: public void dismiss () Dismiss the fragment and its dialog. I am in Fragment-A and it will turn to the Fragment-B when I click the button. So how to do refresh curr Aug 13, 2025 · A fragment represents a modular portion of the user interface within an activity. Feb 10, 2025 · A Fragment represents a reusable portion of your app's UI. Navigation Controller to navigate between fragments. Dec 13, 2021 · Is it possible to handle events like when notification appears the action like auto refreshing, initmethod in Fragment. getSupportFragmentManager(). A fragment encapsulates functionality so that it is easier to reuse within activities and layouts. Dec 14, 2020 · As I observed, you did not really change the adapter's data but only called notifyDataSetChanged. I would like to programmatically replace the fragment by another one from the current fragment itself. filled. LazyColumn import androidx. It has its own lifecycle and can receive input events and interact with the user. mainscreen' below) tha From the fragment object itself you could use a callback to inform the Activity of the need to refresh. Dec 2, 2023 · I have recently started to transition to using compose from xml. compose. e ViewPager will not android: Refresh a fragment androidThanks for taking the time to learn more. A fragment represents a behavior or a portion of the user interface in an Activity, which can be reused in different activities or layouts. For implementing this we have to use Swipe to Refresh Layout. Other use cases for child fragments are the following: Screen slides, using a ViewPager2 in a parent fragment to manage a series of child fragment views. Add Kotlin extension for Fragments to your project.
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