How to refresh fragment in android kotlin

How to refresh fragment in android kotlin

Aug 3, 2022 · Android SwipeRefreshLayout. Aug 11, 2016 · Item 1 - 4 Item 2 - 5 On the top of the fragment I have textView with sum of all elements : sum - 9. FragmentManager manager = getSupportFragmentManager(); manager. com/groups/808719699605259Fan Page: https://www. Hope it helps and this was what you were looking for. ViewGroup vg = findViewById (R. 1. attach(YourFragmentName. On clicking Change button, we are changing the data in the string array. onCreate]). public interface Backpressedlistener {. Viewpager2 and Viewpager with BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT flag set then a Fragment will only be moved to the RESUMED state when it is selected, thus you should put you refresh code in the Fragments onResume method. KOTLIN CODE: override fun onCreate(savedInstanceState: Bundle?) { super. Dec 18, 2022 · If you want to know when use is looking at the fragment you should use. Comments are added in the code to get to know in detail. Leave a rating/review. setRefreshing(false);//if false then refresh progress dialog will disappear when page loading finish, but if it is true then always the refresh load dialog show even after the page load or not. It back to the empty background. Nov 24, 2016 · Here my code. commitNow() supportFragmentManager. so I decided to create 4 instance of Allorderstab () fragment. From the fragment object itself you could use a callback to inform the Activity of the need to refresh. yourFragment. show(); mwebView. The code is like this: public interface OnRefreshSelected {. On clicking the Refresh ListView button, we are calling the method notifyDataSetChanged () on the Adapter. Build AI-powered Android apps with Gemini APIs and more. Jan 3, 2024 · Various Android system operations can affect the state of your fragment. OnClickListener() {. Get started. setOnRefreshListener Jan 21, 2020 · This new fragment is not attached to the ViewPager. 1. Nov 29, 2021 · 4. The fragment remains in the same state ( STOPPED) as when it is put on the back stack. Account is a fragment and when I click on the update Button I go to the UpdateProfile activity. attach(this). commitNow() This will rerender the whole view. navigation. layout_for_fragment, new CartFragment()) . I've the fragment activity that host the ViewPager inside it. When you cancel the job of a scope, it cancels all coroutines started in that scope. but never work for me because I guess hash codes of fragments are same. May 3, 2019 · NOTE, it's a FRAGMENT. prendiListaWorst. Only show fragment A. To review, open the file in an editor that reveals hidden Unicode characters. In the fragments that you show up the Home/UP button, override onOptionsItemSelected() method and call the activity's onBackPressed() for home button id. Download ZIP. When i perform a search i call the refresh() method as a callback from the main activity that host this fragment and i setup again all Sep 20, 2018 · How to refresh kotlin ActivityMain page every 5 minutes once without closing the app. Start by creating your first app. And at the fragment_c you need to know from which it's reached: To know the previous fragment in fragment_c: Aug 6, 2019 · I'm using the fragment EmailFragment to handle sub menu click. beginTransaction(); tr. override fun createFragment(position: Int): Fragment {. This means that the //transaction will be remembered after it is committed. Jorgesys. I am Passing Data through Activity to Fragment using Bundle, Bundle getting it's value from counter, Counter updating it's value base on Thread. Aug 7, 2013 · So if you need to update Fragment you can do it with: Always return POSITION_NONE from getItemPosition() method. This fragment loads data from server. attach(yourFragment). beginTransaction(). The code to reload the view of a fragment was not working anymore after updating to the new version of Support Library 25. 0”. Sep 14, 2017 · Heres my code CartFragment and heres the Adapter where the button click is comming. beginTransaction(); ft. commit(); So when you click your Button, find the Fragment you want to refresh by its tag, and then call your Invalidate the whole view. mainLayout); vg. If you have 4 tabs, you should use: int limitNumberOfPages = 3; The default number for this property is 1. You can then "observe" the LiveData in your Fragment, and Feb 5, 2020 · I have a navigation xml which lists all of my fragments (following latest android pattern for navigation). Jul 10, 2019 · my app having only two base activity and several fragment,, i want to display an Exit alert when user reach particular base fragment by clicking back press Oct 28, 2017 · You can reload your fragment with this: FragmentTransaction tr = getFragmentManager(). how can i update fragment Ui at Real time. show(); And you can show the popup as bottom sheet view. 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. itemId) {. Raw. When the work completes * the fragment view model is set to indicate the data is available, and this triggers a different layout to be inflated. For example do something like. The fab in BottomNavigationMenu is able to add items to EmailFragment ListView from MainActivity and it works fine. your_container)). detach(yourFragment). Jul 19, 2013 · OnBackPressedCallback. It's better to define a viewGroup like a simple linearLayout (call it screen) in onCreateView function, and fill it in a function like init (). Tab tab, FragmentTransaction fragmentTransaction) {. onDestroy] followed by [Fragment. At runtime, the FragmentManager can perform back stack operations like adding or removing fragments in response to user interactions. Best Way to Refresh Adapter/ListView on Android. Any ideas would be gratefully received as I am at a loss. I was thinking this would be done in onResume. Jan 10, 2019 · In another way, how to keep states of whole fragment like hide/show a fragment with FragmentTransaction in traditional way but for modern way (navigation) 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. If you display the action as a button, users might assume the refresh button action is different from the swipe-to-refresh action. beginTransaction() . In adapter (getView ()) it goes like this : final LinearLayout delete = (LinearLayout)dialog. frameBuy, YourFragment. To solve this you can instead fetch the current fragment from the ViewPager and call your method on it. Instead of detaching and attaching in onResume, try calling only createRecentlyViewedButton (recentlyViewed) method there. swipe_container); Jul 31, 2023 · ViewPager2 is a versatile component in Android that allows users to swipe horizontally between different fragments. facebook. swiperefreshlayout:swiperefreshlayout:1. In coroutines, a flow is a type that can emit multiple values sequentially, as opposed to suspend functions that return only a single value. To call from a non-UI thread, call postInvalidate (). Here is the code which you can write in your Fragment class to customize the back button press. To begin, create a layout that contains a ViewPager2 object: . I lost some hours today because my code was not working any more. delete_layout); delete. sample. Apr 15, 2020 · Being new to kotlin and mvvm architecture I wasted the past two days searching for an answer for this problem without any success. SO , it seem doesn't close the current fragment complete. The fragment’s view hierarchy becomes part of, or attaches to , the host’s view Oct 30, 2020 · If You want to run again onCreateView with out creating a new instance of the fragment you can just use this: supportFragmentManager. User can change the information in the EditText. I created an interface in FragmentActivity and set its variable when user clicks on refresh button. So how to do refresh current fragment when I resume an activity? My fragment page contains listviews, hence it should be updated, when i finish activity. Jun 28, 2017 · Your below code for reload your fragment: FragmentTransaction ft = getFragmentManager(). Android already do this for you: "When there are FragmentTransaction objects on the back stack and the user presses the Back button, the FragmentManager pops the most recent transaction off the back stack and performs the reverse action (such as removing a fragment if the transaction added it). A scope controls the lifetime of coroutines through its job. Fragment is not detaching from parent activity. The first one is redirecting user to Login Activity. Jun 28, 2020 · First Option. override fun onOptionsItemSelected(item: MenuItem): Boolean {. viewpager2. This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. isResumed() instead of. setOnClickListener(new View. this is what worked for me as seen here. For more details about Communicating with Other Fragments, refer here. onCreate(savedInstanceState) swipeRefresh. When first time user visit search screen. java. makeText(WebBrowser. The simple code is like this. id. onViewCreated] to be called (but not [Fragment. public void update() {. Aug 4, 2021 · If you are using Room to manage your data, and the values in the database are getting updated by your code, then you can simply use LiveData. 5 days ago · To create a fragment, extend the AndroidX Fragment class, and override its methods to insert your app logic, similar to the way you would create an Activity class. onRestoreInstanceState() (or similar). I can delete Item with click on image on the item row. To manage lifecycle, Fragment implements LifecycleOwner, exposing a Lifecycle object that you can access through the getLifecycle() method. To ensure the user's state is saved, the Android framework automatically saves and restores the fragments and the back stack. But when I click the back button on Fragment-C , it doesn't back to the Fragment-A. I believe it is a misunderstanding on my part on exactly how LiveData works because if I tap the bottom nav icon for the home screen to trigger a refresh of the UI then the list populates and Oct 9, 2022 · Step 1: Create a java class (Backpreessedlistener) and here, we implement an interface having a method onBackPressed () (any name as we want) and override accordingly. onSaveInstanceState() and Actvity. The problem is, when popBackStack from B, the changed data on fragment B will be revert to data from Nov 2, 2013 · The first time that I create the fragment, the main activity pass successful the parameters to the Fragment through the overrided getItem(int position), but if I try to change the data, also if I try to invoke notifyDataSetChanged() on the adapter mMyFragmentAdapter, nothing happens and the fragments in ViewPager continue to use the same data Jan 3, 2011 · Toast. They must be hosted by an activity or another fragment. Aug 6, 2018 · I am an amateur to both, android studio and kotlin. public void onTabSelected (ActionBar. findFragmentByTag("YOUR_TAG") – Satyen Udeshi. Only isResumed() makes sure that your fragment is in Jan 3, 2013 · In the following code I have set up a fragment that shows 2 ListViews. and. A fragment defines and manages its own layout, has its own lifecycle, and can handle its own input events. Second, non-of these two means that user is actually seeing your fragment. findFragmentById(R. I was able to get data in Fragment but UI of Fragment only Updating on Fragment Transaction, so question is. It can be either a ScrollView, ListView or RecyclerView. If the view is visible, onDraw (Canvas) will be called at some point in the future. It's not a good practice to "refresh" the fragment the way you're doing. Save for later. Two buttons : Change and Refresh ListView are provided. Step 5: Creating an item for displaying in our RecyclerView. supportFragmentManager. So you can simply move your from onViewCreated() to onResume. Mar 9, 2021 · When the user goes to Settings and the app returns to the foreground I would like the list to refresh to reflect the changes. To prevent this, you can try one of three things: 1. I'd suggest you take a look on the navigation component. The code must be placed inside the Fragment that needs to be updated. onResume(); //move your code from onViewCreated() here } /** * Refresh the whole data set of items. Each set of changes is committed together as a single unit called a FragmentTransaction . Sep 2, 2016 · At the start the layout shows a "working" fragment state. getRegisteredFragment(0); // gets first Fragment item within the pager. */ fun refreshDataset() { mDataset = parseItems(mAppCtx) notifyDataSetChanged() } and then, any time you receive a new set of data, you can call such function directly. This will make you lose any data, but if it is important you should already have taken care of this using Actvity. I am implementing a scenario where I have some fragments, as and when we finish with one fragment, the progress is Dec 18, 2016 · This will also refresh the activity which changed the language (if it subclasses the above activity). onCreate(savedInstanceState); OnBackPressedCallback callback = new OnBackPressedCallback(true /* enabled by default */) { @Override public void handleOnBackPressed Jun 25, 2018 · 2. public class MyFragment extends Fragment{ @Override public void onCreate(Bundle savedInstanceState){ super. Making the refresh action less conspicuous in the action bar encourages users to perform manual Oct 20, 2020 · Okay, if the problem is still coming use another way, Like call the activity again from the fragment. getFragmentManager(). Now with this adapter in place, we can also easily access any fragments within the ViewPager with: FirstFragment fragment = (FirstFragment) adapterViewPager. Remove fragment A. ViewPager2. Dec 13, 2013 · The steps to follow are : In the method overridden, retrieve the fragment instance from the viewpager adapter and deliver a message to Fragment B by calling it's public methods. 0: This is my code : FragmentManager manager = getActivity(). Download materials. <androidx. Even when the fragment is created for the first time . detach(YourFragmentName. User cancel search result then again Jun 23, 2021 · For example, I have parent fragment A which will observe data from viewmodel and fill to ExitText. This must be called from a UI thread. Not only calling notifyDataSetChanged () will refresh the ListView data, setAdapter() must be called before to load the information correctly: listView. By Aaqib Hussain . When user type and search then show result in fragment B, C and D. void onBackPressed(); } Step 2: Implement the method of interface write a function to implement on back pressed in the fragment. remove(getFragmentManager(). The most common ones are as follows: onCreateDialog() : override this callback to provide a Dialog for the fragment to manage and display. widget. To associate your repository with the android-fragments topic, visit your repo's landing page and select "manage topics. Additionally, you can use app:startDestination in order to Jan 28, 2019 · 2. When the main activity call the Fragment methods: prendiListaBest. I want we user clicks on refresh button then I call a method in fragment and do refreshing process. Go deeper with our training courses or explore app development on your own. when (item. My app structure is: a base activity with a nav drawer menu some fragment that are opened from menu b. inflate(R. sn lt wr yg gk zq oj je cu lw