Call activity from adapter android. class); (ParentActivity)getActivity().

Call activity from adapter android glasses4, R. When a user clicks an item in the RecyclerView, I am calling ((Activity)v. Make sure the method you want to call from the Adapter is declared ‘public’. startActivity(myIntent); Im trying to figure a way how to call an activity that an adapter has started. Also start your Current Activity from Previous Activity using startActivityForResult(); @sinek is right, you need to call startActivityForResult() from the Fragment instance instead of the activity. foo(); Share. ViewHolder> { private static OnItemClickListener mOnItemClickLister; public interface OnItemClickListener { void onItemClicked(View view, int pos); } public void setOnItemClickListener(OnItemClickListener Activity A contains recyclerview, and Activity B is going to pass the Arraylist data to recyclerview in Acrivity A. for that you need to add three TextView params in your adapter constructor. notifyDataSetChanged() from onActivityResult()in previous Activity (As I assumes your Listview in this previous Activity). TL: DR: val is equivalent of final keyword in Java, however its internal After finish() Current Activity, Call adapter. content. runOnUiThread(). support. should not be done This function is in your main-class:. OutherCLassName. The startActivityForResult method requires a reference to the activity to return results to. If you need an activity reference you can always pass it to the adapter's constructor when you create it: class RecyclerAdapter(val activity: Activity, val list: ArrayList<String>) // Then you could use the activity property for the UIManager. Adapter<MyAdapter. there occurs the problem "Cannot resolve method". I start a dialog from adapter then from my dialog i call an activity (by intent). Link to @MohammadAli it means you not created instance of the adapter first call MyAdapter myAdapter=new MyAdapter(); then use setCallback – Amir Hossein Mirzaei. Mobile In the main activity there is a fragment that has RecyclerView. Context' to YourFragment. getImageItem()); getSupportFragmentManager is method of FragmentActivity,not belongs to Activity,so your activity class must implement FragmentActivity. Pass the activity context to the adapter's constructor and use it to call startActivityForResult. act. Start an Activity from Custom Adapter in Android. If call from a fragment, use "requireActivity" (if using kotlin) or analogous method (getActivity, for example) if I've got a ListFragment and a custom adapter. extra. I'm using socket. xml that is inflated in the custom adapter. Use an interface. I Have a relative layout in my activity_main that is rendered player. We should make it static in Activity and then make a static method to update its value, after that whenever we want to change its value from Adapter we will call that static method with actual parameter and it will be updated . It uses one ViewHolder to load data to the recycler view cells. suppo Abstract: This article discusses a common issue in Android Studio where an activity tries to call a RecyclerView adapter but instead ends up going back to the main activity. public void refreshData(){ // refresh } Now can Call that function in your adapter by this. activity = activity; } // Now call this method from anywhere activity. In your activity where you create and set adapter, pass your activity object in constructor: setAdapter(new Adapter(this)); Store this in your adapter. R. findNavController() need a Activity parmater in Code A, but I can only get a context via itemView. 1 Popularity 8/10 Helpfulness 5/10 Language java. Then we use that interface in the Adapter to invoke/call its functions to generate callbacks inside activity/fragment. example. Adapter task should be to display items in the list or recyclerView. raw. This requires passing in the Fragment instance to your adapter and fixing the old context calls as a result: class ImageListAdapter( private val fragment: Fragment, private val imgPics: List<String>? ) : BaseAdapter() { You can either copy the method in your Adapter and then call it, or you can make the AESDecriptionMetod() static and directly access it like MessageActivity. Adapter is a different class and we need to use it in the Activity we are using for the recycler view. addButton. To call in Adapter, just use the Activity reference and call the method. I call ItemClick here. Then in Adapter getView(), call like: Button btn = (Button) convertView. fillData(); if you have your Adapter in separated file, you just need to pass an Activity trought adapter constructor and then just call the method on activity variable :) Honestly if you have to call your fragment from a BaseAdapter something is terribly wrong with your application's architecture, you are tightly coupling components and Spaghetti Code will be a problem soon, if you want to keep it clean, make a listener or send a broadcast from it, and call your fragment from your activity as you usually do, the point is to keep I want to start a new activity from this base adapter. so you have access for calling Asynctask in adapter And somewhere in adapter, when you need to call that Activity method: listener. setVisibility(View. For example, if the user clicks on a button, onClic Using startActivityForResult inside an adapter can be a bit tricky since adapters don't have a direct reference to an Activity. addView(mListView). public class RecyclerViewCalendarAdapter extends RecyclerView. Activity should not interact with the Adapter or ViewHolder directly. Everytime I try to call a function with getActivity(). Adapter<RecyclerViewCalendarAdapter. From the adapter I get the onClick event from a button defined in the rows. listfragment. intent example in android; call activity method from adapter; how to call intent in adapter class in android Comment . public class TestAdapter extends RecyclerView. When in AppCompatActivity, you should use ActivityCompat. glasses3, R. Do your work on the method doInBackground (@Override it) and on the method onPostExecute (@Override it), call some public method on your Activity to give to it the data you fetched. public interface ManageButtonClicks { void saveBtnClick(); } The only reasons getView is not called are:. changes in adapter declare Textview variables in adapter class. In your adapter, create an interface that will provide a callback to the main activity. Whether you get the activity to the adapter via its constructor or some other method is up to you. You should extend AsyncTask with parameters and return type as you wish. Possible duplicate How to Call AsyncTask from Adapter class?. How can I do? I've tried this but it doesn't work, unless I put the method to be called in the first activity. Tags: adapter android call class java. setOnClickListener(new How do you call an activity method from an adapter? In your activity where you create and set adapter, pass your activity object in constructor: setAdapter (new Adapter Code Snippets of android. If I remove the intent part a toast appears with the correct position of the item clicked. Implement the interface in your Activity. ) method name ((MainActivity) I would recommend providing an interface back to your activity that lets it know when that button is pressed. Asking for help, clarification, or responding to other answers. In your activity you have an ArrayList (or List) with Dogs information. How can I get the Activity reference and execute the runOnUiThread method from my CustomCursorAdapter? You should not do this. “how to call intent in adapter class in android” Code Answer’s. Improve this answer. class); (ParentActivity)getActivity(). I have a problem to call a function of my Activity out of DialogFragment. instanceof checks. The first answer definitely works but it couples your current fragment with the host activity. Then we use that interface in the Adapter to invoke/call its functions to generate We need one adapter class for a recycler view. //Interface. list = list; } edit(17. this. Then in Adapter getView (), call like: Button btn = (Button) convertView. Be sure to call new Adapter(this, com. You can pass the activity through the Adapter constructor. adapter delete button definition Inconvertible types; cannot cast 'android. Commented Dec 22, 2022 at 16:37. content) ContextWrapper (android. class YourAdapter(private val callbackInterface:CallbackInterface) : I'm fairly new to android programming. I have to create an app with a custom view of the dialer, recent calls and contacts, so my first step was to create a custom . Modified 5 years, 2 months ago. Adapter adapater; because RecyclerView. How do you call a fragment method from an adapter? Hot Network Questions In psychometrics, why is h² an abbreviation for communality? What is the "h How to let OnClick in view holder recyclerview adapter call Activity's function @Override public void onBindViewHolder(ViewHolder holder, final int position) { final Jour jour = PID: 29380 java. class); acess the viewmodel methods from the calling activity/ fragment instead of using it the recycler view. adapter = new YourAdapter(YourActivity By using the OnItemClickListener interface, you should be able to call startActivity in your activity. How to call activity method from adapter class? If you want to call an Activity method from an Adapter, pass an Activity reference in the constructor while creating the Adapter. 717 7 7 silver Android Activity interfaces to Fragments: try/catch blocks vs. Listener { private MAdapter mAdapter; @Override protected void onCreate(Bundle savedInstanceState) { super. requestPermissions; When in android. I have an adapter inside a fragment that belongs to an Activity A, from this adapter I open the detail of an element in an Activity B. karim. private String entity; Catch it in Adapter Constructor Since you have a TouchInterface implemented in the activity you want to execute the code, and this code is implemented in this interface, you can just pass in your adapter's constructor a extra variable, like TouchInterface touchInterface, instead of casting your Context as a specific type of Activity and just write in your on click In an app with multiple activity destinations, each activity has its own navigation graph. after create interface and method into adapter i can not how to use this interface to call listener, for example: Interface Class: public interface IOnClickListListener { public void onClick(boolean click); } summurized Adapter: Another solution is to set onActivityResult method in activity class where you initiate your RecyclerView/ListView. I would like to return to my dialog with the result from my activity. Provide details and share your research! But avoid . Application cannot be cast to com. However, with a proper context and follow-up methods, it can Learn how to invoke functions of the main activity from a custom ArrayAdapter in Android, with detailed explanations and code snippets. Android Basics: Activity with ListView and Adapters. GONE); when my Main Activity is launched. Intent intent = new Intent(activity, CategoryListActivity. ACTION_CALL in Array adapter android facing activity not found exception. Or you can use down-casting as On your adapter constructor add a activity parameter and use it inside the adapter. I am trying to start an Activity from my Custom Adapter for ListView in Android. Using your adapter object in activity. Follow edited Jun 18, 2018 at 14:28. private EntryAdapter adapter; instead of . ; If the ListView's visibility (or its container's visibility) is GONE. in list view i have phone number , if the user clicks the number Create an interface with two methods like saveBtnClick() and cancelBtnClick(). fab_plus. – Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have a custom adapter that extends ArrayAdapter. Then, call this method using activity object. When you find a code piece which uses Context inside of an Adapter, you will notice it uses that Context for either creating a View, getting a resource from XML files (i. my Adapter is like this. FEATURE, true); activity. How can I tell the adapter of Activity A that it has to update the list of the adapter that is in a fragment of Activity B? This is the method I How can I call another activity from one (the current) activity? And for the same I want to call an activity which contains a dialog message box from my current activity. How can I call the method showTask in the ListFragment from the adapter?. That is, mListView = new ListView() is used without myLayout. public interface MyCallback{ void onItemClicked(); } private MyCallback listener; public setOnItemClickListener(MyCallback callback){ listener = Apart from calling a method in mainActivity there are a few things which you can improve. <activity android:name="ListViewImage"></activity> <activity android:name="com. Adapter class does not have any method named setdataEntries but only EntryAdapter class has this method so only the object of type EntryAdapter can call setdataEntries method. Here is the detail , The class hierarchy up to Activity is as below-Context (android. app) the Context class is having a abstract method. e strings. 1. move your adapter class inside your activity class and make adapter class as inner class. class); // intent. Follow edited Nov 7, 2016 at 8:11. . ClassCastException: android. 7k Most of the developer confuse during call the Fragment but i have two way to move from Recycler adapter to Fragment. Is it possible to call method that is defined in Activity from ListAdapter? (I want to make a Button in list's row and when this button is clicked, it should perform the method, that is defined in And then you pass the reference of that interface into your adapter via the constructor. This will make your code tightly coupled and very complex. ActivityCompat; how to make an activity default in android studio Create an interface which is implemented by your activity and called instead of the activities method. MyViewHolder>() { Call Activity Method From adapter android February 11, 2016 Get link; Facebook; X; Pinterest; Email; Other Apps - Sometimes we need to update/call activity method from adapter mContext = your activity context passed from activity through adapter's constructor I'm calling call activity from my adapter but getting below error - 11-29 13:10:41. In this case, your code will look something like this: GetAllSongs() is expecting an Activity as the second argument, but you are passing a Fragment. Solutions. Finally, the Activity with the I have an adapter class and an activity, I want to call the activity method from adapter Adapter holder. holder. What is ViewHolder in adapter? There are several ways to call a method from adapter in activity : 1. listAdapter = ChapterAdapter(activity, _arrChapterList, object : ChapterAdapter. setOnClickListener(new View. getActivity();If you then typecast this to the actual activity class you can then call a function as per @AdilSoomro answer below so you actually end up with something like this. It allows access to application-specific resources and classes, as well as up-calls for application-level operations such as launching activities, broadcasting and receiving intents, etc. How to I want to call startActivityForResult when a button click , I know I can call startActivity like this: context. I implemented this solution. This is my Activity (use two adapters): How to display different data in other activity in RecyclerView in android using JAVA. Source: Grepper. skypoint. Follow edited Dec 17, 2020 at 19:29. Improve this question. setAdapter(mAdapClinicSchedule); Then in Adapter getView(), call like: Button btn = (Button) convertView. AppCompatActivity I am having this problem. I'm using a singleton class to share data between two activities. At present, I have to pass private val mActivity: Activity from Code B to Code A, it works, but I think it's not a good way. 3. VISIBLE) of this layout when my image in the row is clicked. android; adapter; phone-call; Share. Problem is I didn't understand how to implement an InteractionListener. Source: stackoverflow. Adapter<TestAdapter. interface CallbackInterface { fun passResultCallback(message: String) } Then initialize the callback interface in your adapter:. I am declaring context but Logcat shows that Context not found. FragmentManager,not android. Link to this answer Share Copy Link . 2) Kotlin Only (Lambdas): In your Adapter: Add a property named listener that is a lambda you pass from your activity or fragment:. class like that. ViewHolder> { how to call intent in adapter class in android Maryam Nasseri Intent intent = new Intent(activity, CategoryListActivity. TestMe(); I have defined a method removeItem in my Adapter class and i am trying to call that method from my activity but it doesn't recognize my method when i use the dot operator with my adapter class reference. KushalCodes. ListView is not attached to any viewport layout. But I can't seem to find a way to access the instance of my fragments which are in a ViewPager. FragmentManager. Having references of Activity in Adapter class is a bad approach. If you wanted to refresh the items of the list make changes to the adapter data list and call notifydatasetChange method. DownloadViewHolder>{ I'm using googles source code to build a recent calls look alike activity. The following statement should eliminate the exception: this. private ChatsAdapter chatsAdapter; Initiate Your Adapter in OnCreate in Activity (sendingEntity will be your String which you want to pass) chatsAdapter = new ChatsAdapter(lIndividualChats, sendingEntity); Declare Variable In Adapter. From the onClick method, I need to call a method in another activity. Solution 1 : Make the adapter an inner class of your fragment, so that you can call the method directly. Adapter's context cannot directly start activities without being an instance of an Activity. Ask Question Asked 9 years, 9 months ago. act = act; } Then, call this method using activity object. How can call method from activity to adapter in android? replace with your own class names where you see your code, your activity etc. tkwira. And if it helped dont forget to accept the answer. Viewed 2k times Part of Mobile Development Collective 1 . findViewById (yourButtonId); btn. i am using array adapter to load the data in listview. Ask Question Asked 9 years, 8 months ago. getCount returns 0. yourfunction(data you got from the list) 1) This answer here works both on Kotlin and Java: How to implement click listener callback. 0 Popularity 8/10 Helpfulness 1/10 Language java. If you need some references from the adapter then you can create methods in adapter and call these methods in activity by creating adapter's object. public class TaskListFragment extends ListFragment{ /* i am using android studio in listview i have added adapter. my activity's xml: &lt;android. onCreate(savedInstanceState); The custom adapter class code is within the activity and the database adapter code is in the same activity outside of the custom adapter class. I can't click RecyclerView to a new Activity from RecyclerViewAdapter. Then in your adapter class declare this: Never fetch data from an Activity because it will block the UI. User interaction part is written inside the ViewHolder of the Adapter. OnClickListener() { @Override Buy Jacoosa Smart Watch, 1. Acceuil at com. 12. v4. Adapter and interface : We need one adapter class for a recycler view. this); You added unresolved RESULT_OK so you should set it in DetailLaporanActivity. putExtra(RequestParamUtils. Within the implementation of the interface function you can call the activity function or whatever you like. When the user clicks on the CheckBox within the CardView that is in the RecyclerView. Yes, but in adapter you need to define activity this time like activity: Activity. I would like to setVisibility(View. adapter. After create and declare adapter in your Activity or Fragment. Share . REQUEST_ATTENDEES) from my adapter and I handled this request on my onActivityResult method in my main acitivity. startActivity() android; android-activity; android-adapter; android-adapterview; See similar questions with these tags. Please check if your activity's layout contains the following fragment tag, If I understand your question you are complety on bad way. Clicking and getting the info work well but I don't know how to access the TextView title from the Adapter class to be able to update the info any time the adapter = new FragmentPagerAdapter(getSupportFragmentManager(), images. onBackPressed() The function Navigation. Make sure the method you want to call from the Adapter is declared 'public'. 2. Try something like this: Your Activity Declare Your Adapter In Activity. Contributed on Nov 09 2020 . Anything that should be done within the activity class such as UI changes, displaying dialog etc. How can I get Activity from RecyclerView. If your adapter is creating your viewholders, your adapter will need the activity to pass to the viewholders. g. cmdroyal. I am tring to open this from recycler items. public class DetailLaporanActivity extends Activity { /** Called when the activity is first created. As I am inside the Custom Cursor Adapter, I am unable to get the Activity to use the runOnUiThread method like getActivity(). io to build a basic chat application in androd. for example you want to make a post request in your viewmodel , take the data from the recyclerview via and interface then call viewmodel. this); and update the constructor of the Adapter : More Related Answers ; phone call using intent in Android; import android. Something like : customAdapter = new CustomAdapter(myContext, android. You can create callbacks from adapter to activity and should call this API code in activity itself. Calling a Method in a Just for clarity to expand on provided answers In a BaseAdapter you can get the parent class by calling this. Implement this interface in activities you require to have this method calling functionality. java:. So, you call activity to do some through this callback, and activity is doing that work, cause it has all fragments' references. context. After creating interface and method into adapter how I can use this interface to call the view listener ? android; kotlin; adapter; baseadapter; Share. app. 2024-06-09 You can see the details of this method once you hit the ctrl+click in the Android Studio. TextView name,tel,mob; public AdapterMoshtariItem(ArrayList<StructMoshtariItem> array,TextView In your activity where you create and set adapter, pass your activity object in constructor: setAdapter(new Adapter(this)); Store this in your adapter. LayoutManager layoutManager = new LinearLayoutManager(context); recyclerView. simple_list_item_1, getList, HomeFragment. – @AlexanderFarber: Um, you lost me there. Share. Adapter<LanguageDownloadRVAdapter. mAdapClinicSchedule = new ClinicScheduleAdapter(getContext(),mScheduleList); mLvClinicsSchedules. I do it as follows . simple_list_item_1 , getList, YourFragment. Level up your programming skills with exercises across 52 languages, and insightful discussion with our dedicated team of welcoming mentors. Adapter<Holder>() Step 2: Change your code to this You need to pass your activity instance to the adapter's constructor and then you can call onBackPressed from that activity instance Your constructor should be as follows: Activity activity Myadapter(Activity activity){ this. company. There are public functions in my MainActivity which I need to call for some calculations that are done in the DialogFragment. I want it inside the MainActivity class because I have inflated the menu inside the mainActivity. The API for starting an Activity does not change when using a navigation drawer. I would not recommend calling an activity's method from an ArrayAdapter. Thanks to @TaynãBonaldo for the valuable input. xml) or some factory which I would argue that stating a val initialized Object as "Immutable" is incorrect - it is read only, you can mutate a val Object, consider a val initialised class which has setter methods for internal var Objects, you are free to mutate the object. notifyDataSetChanged(); from the first activity when I receive data from the server. SetOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(View v , int position) { // This is in an Activity so I have a MainActivity that uses a RecyclerView with an Adapter. Method 1 : You can use callback First of all, define a callback in your adapter like this :. Update your adapter constructor to accept the Fragment as a parameter. Modified 9 years, get chain of users created by chaining su calls In a 'floating' world over This is not a good practice to make API calls in adapter. public class MyAdapter extends BaseAdapter<Long> { public MyAdapter(Activity activity, assumming that you have your adapter as an inner class , you can call outer class methods like . getContext()). In the onClick method I get some id, which I'd like to pass to the ListFragment to do some stuff. Something like i have activity class with GetMembersAsyncTask. It is too tightly coupled. class MyAdapter(private val listener: (position: Int) -> Unit) : RecyclerView. I defined a method inside a RecyclerView adapter and want to call it from MainActivity but I can't. Is there a way to get the instance of the activity from startactivity and make a method call into the activity ? I'ved got an adapter that has a list. Cœur. User interaction part is Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. You still only need to call startActivity() to launch a different Activity. 85" HD Smartwatch for Men Women (Answer/Make Calls), Fitness Watch with 120+ Sports Modes, IP68 Waterproof, Heart Rate/Sleep Monitor, Activity Trackers for iOS/Android (Black): Smartwatches - Amazon. This function is in your main-class: public void refreshData(){ // refresh } Now can Call that function in your adapter by this. Refresh RecyclerView fragment from another fragment's adapter. Intent myIntent = new Intent((ParentActivity)getActivity(), YourOtherActivity. requestPermissions in public static void displayDataOnRecyclerView(Context context) { //using a Linear Layout Manager RecyclerView. 38. Adapter(Activity act){ this. listview. It doesn't have it because there is no use of Context internal to Adapter. ; you forget to call setAdapter on the ListView. The Custom Cursor Adapter class is just a Java class and not an Activity or Fragment. BtnClickListener { override fun onBtnClick This is a common mistake that people make when coding for marshmallow. As it is implemented by the activity itself you have full access to the whole activity context. You don't have to pass context in the adapter, to use inside getView() method, you can get context from parent viewGroup @Override public View getView(int position, View i, ViewGroup parent) { View view = pass activity reference to adapter via constructor like: CustomAdapter customAdapter=CustomAdapter(getApplicationContext(), arrayList,HomeActivity. public class AddmemberSearch extends Activity { private Im using RecyclerView and ExpandableListView in an Activity, both load data to one layout, I have tried to use this activity call to one Adapter but it seem unsuccess. I tried to get the position from onBindViewHolder and then send it to the activity and call it in an array: private int[] images = {R. Ask Question Asked 10 years, 3 months ago. 2015):onAttach(Activity activity) is deprecated, use onAttach(Context context) instead, it works as intended. Adapter is a different class and we need to use it in the Activitywe are using for the recycler view. I have a list adapter in the second activity and I want to call adapter. activity instance context dot(. All I want to do is calling a function of my Fragment's class. public class MainActivity extends AppCompatActivity implements MAdapter. I have an image in feed_item. Jour_adapter$1 You just need an activity context passed in your constructor. so if you have two way : if you are using direct POJO class based Fragment then use can use I am trying to request the phone call permission from the list adapter class on the click of a button which requires the Activity as the first argument. Its good practice to keep the fragment decoupled from the host activity in case you want to use it in another acitivity. AESDecriptionMetod(myString) – darshan Commented Sep 20, 2019 at 6:12 I am sending the Activity to the adapter as a parameter and then call the update method from the adapter since I am setting the OnClick methods of each button in the adapter. glasses1, R. glasses6, R how to make Intent. I have trouble Change the adapter instantiation in your activity from: ItemPickerAdapter adapter = new ItemPickerAdapter(getApplicationContext(), ItemsList); to this: ItemPickerAdapter adapter = new ItemPickerAdapter(this, ItemsList); meaning you pass the activity's context and not the application's context. 0 Answers Avg Quality 2/10 How to call a method from my activity in to my fragment adapter? I use a RecyclerView on my fragment and there is intent inside this fragment adapter. In Activity Create Object of your Adapter class using 2nd constructor in your activity. Now look how long the process is and here comes the power of Kotlin in play Let’s see. Kotlin Lambda Functions for adapter callbacks Is it possible to call a method from one adapter activity to another adapter activity? android; Share. I am using DataBinding so View() is not used here (or any other . Fragment, you should use simply requestPermissions (this is an instance method of android. util. First Activity, where I declare the RecyclerView: public class Classici_Tab extends Fragment If you want to call an Activity method from an Adapter, pass an Activity reference in the constructor while creating the Adapter. 0. That works too, except for some reason I got NPE errors when I tried to pass data using intents, so work-arround for that is create static String/Int and change it's value on clicks and access. If that item deleted successfully then i will call GetMemberAsynacTask inside OnPostExecute() method in DeleteAsynccTask. getlistdata. setItemClickListener(new ItemClickListener() { @Override public void onClick(View view, int position, boolean isLongClick) { openProgramActivity(view, position); } }); } I am trying to call getActivity() in the OnItemClickListener: class ViewTest{ //called in a fragment setOnItemClickListener(new OnItemClickListener() { @Override public void Just a simple example for better understanding. public class LanguageDownloadRVAdapter extends RecyclerView. If you call adapter constructor from an activity, just pass "this" as parameter. com. When i click cancel image in list View item then DeleteAsynccTask will call. layout. Implement Click listener for both the buttons in the ViewHolder of your RecyclerView and call the Appropriate methods using Inteface's Object. I am able to handle click events for the image. How do you call an activity method from an adapter? In your activity where you create and set adapter, pass your activity object in constructor: setAdapter(new Adapter(this)); Store this in your adapter. " . This way, the Adapter can communicate with the Fragment securely without directly holding a reference to it. How to access Activity object in Adapter class. startActivityForResult(intent, Config. I would like to update the Textview title from the Adapter class. ListViewImage"> </activity> The better way for doing so is to implement the redirection in your Activity and Not in the adapter, and you can achieve this by following these steps: Step 1: Add a parameter to your adapter called onMenuItemClicked : class YourAdapter(var onMenuItemClicked: (Int) -> Boolean) : RecyclerView. Commented Jun 13, 2018 at 6:06 Android pass value from activity to adapter. activity--->adapter--->fragment-->interface You can pass the view to adapter so that you can able to update it when ever needed. ישו אוהב אותך My RecyclerView(rvPredictionIndex) item includes ImageView, EditText and Button, when Button is clicked the Text inside EditText will be uploaded on server and when ImageView is clicked, the New Activity will be called and the position of that Item will be passed to new activity using Intent(). Fragment) If you call ActivityCompat. com FREE DELIVERY possible on I was told that it is better to start another activity from the main activity instead of starting it from the adapter and that I should use an InteractionListener to communicate with the adapter and call the intent from the main activity. Android Call a method from adapter. Calling the adapter from the Fragment. setLayoutManager(layoutManager); //data that will be displayed in the adapter from sqlite database DatabaseHandler databaseHandler = new @Tenfour04 But My problem is that I am not able to call the selectAll function. OnClickListener() { @Override public void onClick(View v) { //call the method in fragment //e. Is this possible? in my application i'm create simple interface to detect after click on adapter items into parent activity. Be sure to call I have an adapter inside a fragment, in this adapter I am running an activityForResult to an activity. Suppose you have create a method in adapter like see below : public ArrayList getSelectedItems() { return selectedList } In Activity you have to call this method : yourAdapter = YourAdapter Use this code in sub Fragment of MainActivity to call the method on it. when user click delete button from listview item then i want to refresh activity. glasses5, R. Also i have one Adapter class with DeleteAsynccTask. DayAdapter. Generally you do this through interfaces. Intent yourIntent = new Intent(); Or: Intent yourIntent = getIntent(); MyAdapter adapter = new MyAdapter(context,yourIntent); // here pass intent To call a method from a Fragment within an Adapter, you can define an interface that the Fragment implements. Notice that you should import package com. Pritam Pawade. accessing an adapter's data via another adapter. I want to go to MapActivity when the EMAIL is clicked. lang. "create interfaces in your recyclerView to get called in the calling activity or Fragment " . Please help me out here. passing values from recycler adapter to fragment in android. In fragment you can access its parent FragmentActivity instance using getActivity(). The problem is that it doesnt seem to work always. how can I callback to an Activity from an adapter? In order to send the event to your Activity will need to call the onPdfClicked method on the Activity object How to receive callback from Activity class into ListView Adapter class in android? 1. found these answers. I can't seem to figure out how to call NotifyDataSetChanged() from outside the custom adapter class in the activity once the database is updated to refresh the listView. AndroidRuntimeException: Calling I find that the UI of Activity to be used in Adapter class. Is there any way that I could call the function or is there any way I could set the click listener for selectAll menu inside the adapter?. So, you need to make sure that the both fragments belong to a same activity and the activity is associated with navigation graph and contains a NavHostFragment. And inflate fragment again from onActivityResult. so this line of code is in an adapter class. My MainActivity @Override protected void onCreate(Bundle savedInstanceState) { Im trying to get the position of the clicked item from the adapter and send it to an activity but can't seem to make it work. Context is used when you need it for a specific app wide side effect or resource retrieval. ViewHolder(itemView) in Android Studio ?. Android ListView adapter "filled" callback. AppControllerVolley cannot be cast to android. This is an abstract class whose implementation is provided by the Android system. Solution 2 : Update your adapter constructor to accept the Fragment as a parameter. here my code : how to start activity in adapter android; how to call intent in adapter class in android; calling activity method from fragment: fragment call activity; call activity method from adapter Comment . startActivity(intent); In the relative adapter, I add a onClick method for every button. context = context; this. From the adapter I am calling a Dialog fragment and the dialogue fragment does some events and an interface is written to get the results to the adapter, now I need to do some UI changes from activity according to the result, how can I pass the result to the activity . private RecyclerView. setAdapter(new GetAllSongs(jsonArray, getActivity())) How to Call Adapter class before Activity. To move from recycler adapter to fragment we need Fragment name, and Fragment support manager Library and then we will use the method like add, replace etc. updateElem(activity) call. 193: E/AndroidRuntime(12623): android. Truly Immutable is initialized once and closed to change. And since that instance is an activity, so using that you can call another activity simply. Tags: adapter java call jav. Added After many search I can not resolve my problem. I am guessing it has to do something about the cycle of the activity and Android cleaning memory however I can't seem to Declare adapter like . When you call it in activity. Please guide me. v7. content) ContextThemeWrapper (android. Contribute to yehyatt/AndroidCodeSnippets development by creating an account on GitHub. this); Working!! and if I need to call activity variable or element from adapter, then ? same procedure? – crazydose. Modified 9 years, 9 months ago. public MainAdapter(MainActivity context,ArrayList<MainData> list) { this. You can easily call your adapter method. public class EfficientAdapter extends BaseAdapter { private Activity activity; private ArrayList<ComptePost> data; private static LayoutInflater inflater = null; public ImageLoader imageLoader; public Boolean isActusAstuce; public static int flag = 0, counter=0; private Context context; public EfficientAdapter(Context How do you call an activity method from an adapter? In your activity where you create and set adapter, pass your activity object in constructor: setAdapter(new Adapter(this)); Store this in your adapter. Possible solutions include switching one item in the BookRecyclerViewAdapter. view) Activity (android. how pass data from activity to custom adapter. How do you use Getupportfragmentmanager? And then you pass the reference of that interface into your adapter via the constructor. fwzs glyd cdhhulj gcmc grvsh gvuskgq kpry mayn ccxa wnvypkv vdwnpl bwtjw zukzejg wydtqvc uizt