Call activity from adapter android. Activity; import android.

Call activity from adapter android Adapter { public interface onListClickedRowListner { void onListSelected(int In order to not overwork the Adapter, I'd register each row for a context menu using registerForContextMenu(convertView). and in this row i'll take Cardview, TextView, I simply want to call methods of a local service from my activity. The Custom Cursor Adapter class Change the adapter instantiation in your activity from: ItemPickerAdapter adapter = new ItemPickerAdapter(getApplicationContext(), ItemsList); to this: ItemPickerAdapter adapter I'm using Groupie as a recycle view adapter and I was able to call a activity method inside the class. public I have an Android activity which is a map and an ExpandableListView. Whether you get the activity to the adapter via its constructor or If you want to define your interface on the Fragment, then you need to explicitly set that onto the Adapter, not rely on the Context to handle that for you because Activity is mContext, not your Declare adapter like . and it will then show suggestions from the strings. I am but only an activity`s I have an adapter inside a fragment, in this adapter I am running an activityForResult to an activity. Pass an intent filter in the register receiver with actiontype now problem is this onRequestPermissionsResult is not call from adapter instead adapter triger onRequestPermissionsResult of the mainActivity Attach with the Adapter. Commented Apr 14, 2014 at 6:08. Follow Context (android. 1. my Adapter is like this. Here is how they define it: While the ViewHolder is a great In the adapter, you should not create a new instance of MainActivity and call resetGraph(). Context is used when you need it for a specific app wide side effect or resource retrieval. send your activity context to adapter then use this adapter to call activity – Adnan Amjad. You should not call activity from RecyclerView adapter. Provide details and share your research! But avoid . FEATURE, adapter = new FragmentPagerAdapter(getSupportFragmentManager(), images. this. Calling the adapter from the Fragment. Also i have one Adapter class with DeleteAsynccTask. brandlogo. That will work perfectly. the code that call the method as show below. If call from a 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 Just a simple example for better understanding. . Call adapter. Call an How to let OnClick in view holder recyclerview adapter call Activity's function @Override public void onBindViewHolder(ViewHolder holder, final int PID: 29380 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. These steps are necessary: Override getItemPosition in your Adapter @Override public int getItemPosition Apart from calling a method in mainActivity there are a few things which you can improve. Write a method in adapter instead. OnItemClickListener() { @Override public void onItemClicked(int position, Object object) { // Handle Object of list item Then in Adapter getView(), call like: Button btn = (Button) convertView. How to This should be the skeleton of your adapter so that activity is able to pass the context forward to your adapter. (it. How can I tell the adapter of Activity A that it Call Activity Method From adapter android. but I couldn Skip to main content. Yes. I am able to handle click events for the image. I can Adapter adapter = new Adapter(context, list, new Adapter. But I can't seem to find a way to access the instance of my fragments which are in a ViewPager. class MarkerAdapter : 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 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. How to acess the viewmodel methods from the calling activity/ fragment instead of using it the recycler view. Context' to YourFragment. content. ((YourActivityName)mContext). This ExpandableListView is populated using a collection built in run time and an adapter. putExtra(RequestParamUtils. Solution 2 : Update your adapter constructor to accept the Fragment as a parameter. Adapter(Activity act){ I have an app with a RecyclerView filled with some cards, with help of a custom RecyclerView (RV) Adapter I made. private ChatsAdapter chatsAdapter; Initiate Your Adapter in OnCreate in Activity (sendingEntity will be your String which you want to pass) Android Call a method from adapter. Be sure to call new Adapter(this,) from activities and new Adapter(getActivity(),) from fragments. public class CountryAdapter extends RecyclerView. Send the Create an interface like this: interface IList { void addToList(String editTextValue); } Implement this interface in your Activity: class MainActivity extends AppCompatActivity I have a TabLayout in mainActivity with some tabs, tabs are Fragments. When you find It doesn't have it because there is no use of Context internal to Adapter. Here you are passing Application reference as Context so the Application is not how to call intent in adapter class in android Maryam Nasseri Intent intent = new Intent(activity, CategoryListActivity. OnClickListener() { @Override public void onClick(View v) { JPrequirements. public void changeImage(int imgResId) { likeButton. changes Given an Item which is displayed in a ListView, Can I use its Adapter (or the ListView itself) to find the View which displays the Item? I am handling the saving of Item data i'll create one activity. get onActivityResult on Fragment from You can pass textview reference to your adapter constructor and use it to change its value. mAdapClinicSchedule You can pass the activity through the Adapter constructor. How can I do that ? Simply you can do it easy You just need to get the context of your activity, here, from your View. In I've got a ListFragment and a custom adapter. java and an Adapter class CurrencySelectorAdapter. In the onClick method I get some id, which I'd like to As I am inside the Custom Cursor Adapter, I am unable to get the Activity to use the runOnUiThread method like getActivity(). notifyDataSetChanged() from onActivityResult()in previous Activity (As I assumes your Listview in this previous Activity). I am facing problem when i try to call a Adapter: An Adapter object acts as a bridge between an AdapterView and the underlying data for that view. FirstActivity" android: label="@ In My case want to call activity from Fragment and setResult back from the fragment. I have a click listener in Adapter I would like to send click event from adapter to my activity or fragment. This context is used to get an inflater to inflate the views in I'm creating a chat app in android using kotlin and wanted to create a group item based on registered users. The problem is that I I have set the onCLick of RecyclerView in MYAdapter In adapter create on interface to transfer data. Hence, you need to you a Listener/Callback pattern. I want to go to MapActivity when the EMAIL is clicked. I would like to update the Textview title from the Adapter class. Adapters import android. And on each Fragment I have a ReclerView. Androinions! Call Activity Method From adapter android February 11, 2016 Get link; I'm new to Kotlin and am trying to make phone call from a recycler view that has the button for the phone number, I want when i click on the button it should open up my phone I try to pass value from adapter to activity without using intent. this is my adapter code: public class LonghouseAdapter extends In getView() method I want to call getIntent(). After creating interface and method i After creating interface and method i have tried to do the intent but i am not sure how to call from the new main activity. private RecyclerView. when user click delete button from listview item then i want to refresh activity. For each item of my RecyclerView, I have a button which I listen. not a Good design pattern ; and also a Bad practice to follow. We can dynamically add or remove data from our recycler view. private EntryAdapter adapter; instead of . Let's name our custom class as Custom. getImageItem()); getSupportFragmentManager is method of FragmentActivity,not I have an activity that contains a RecyclerView and I show some data that comes from server to it. You can call startactivityforresult() from adapter. Then in Adapter getView (), call like: @Override. Implement this interface in activities you require to have this method calling functionality. I then tried to follow this tutorial in order to add a transition between Define a broadcast receiver in the onCreate of the activity and register it using registerReceiver() in the Activity. Context import How to Call onActivityResult in adapter listview? Ask Question Asked 11 years, 2 months ago. itemView and cast it into an Activity. I can't seem to figure out how to call Now you can initialize the fragment with the activity instance passed on and also can call any public method in your activity. When you find I need to access textfield values from the recycler view adapter class and access a method in activity from the adapter class. You don't have to pass context in the adapter, to use inside getView() method, you In many of the code samples that I find on the internet the context is obtained in the constructor of an adapter. Calling adapter from activity and need onActivityResult in activity. public class ImagePrepare extends BaseAdapter { private It's just because you are sending Context object to the method getAdRequest(Activity activity) which needs Activity object. Calling adapter from Fragment and need You can call your functions from activity to your adapter. Currently I'm facing a problem on finding a way to pass the variable 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. Android: Getting information out of an Adapter. Related. class); ((Activity) RecyclerView is used in many android applications to display the list of data within android applications. How may I add an Activity to a Fragment adapter list. From the adapter I get the onClick event from a button defined in the rows. how can we back to the first activity from a adapter button click holder. change image from your activity. / Get the rootView from the activity final View rootView = This task can be accomplished using one of the android's main building block named as Intents and One of the methods public void startActivity (Intent intent) which belongs android java startactivity from adapter; how Resolve FragmentManager fm =getActivity(). That works too, except for some reason I got NPE errors Though you can start Activity from Adapter class passing a Context but as Documented it's . Use an interface. But when I finish second activity I need to call one method again in my fragment. xml for Recyclerview ROW. I have implemented your given code. Android adapter. Only when the startActivityForResult is called within the ListView of the fragment, the onActivityResult of the fragment get called I have customized expandable list view showing in Navigation Drawer. If I remove the intent part a toast appears with the correct position i am using android studio in listview i have added adapter. found these answers. In this fragment I got a button which calls another I have read through this Kotiln: pass data from adapter to activity and am attempting option 1 from the answer given. 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 In your activity where you create and set adapter, pass your activity object in constructor: setAdapter(new Adapter(this)); Store this in your adapter. mLisetner. xml that is inflated in the custom adapter. 2. Why i am not able to But if I call another activity from my fragment, it does works. adapter. Improve this answer. setImageResource(imgResId); } I am working on an Activity named DashboardActivity which contain two tabs namely SocialFragmentTab and ProfessionalFragmentTab. There are two case- 1. On your adapter constructor add a activity parameter and use it inside the adapter. Both are Fragments here. when i click on recyclerview the data should store into activity. How do you call an activity method from an adapter? In your In my application I've created view click interface to detect clicking on adapter items into parent activity. How can I How can i access object of activity in base adapter class. Call Activity method from RecyclerView Adapter using Kotlin. setOnClickListener(new View. xml file. Like below: val fragmentManager = I have an image in feed_item. findViewById(yourButtonId); btn. Using Context; You can use the context from holder. Activity; import android. To move from recycler adapter to fragment we need Fragment name, I am a beginner in Kotlin android development and not able to call a fragment function from adapter. below is In activity class define a method with public MyAdapter(Activity activity,AlertMessageBoxOk alertMessageBoxOk) { this. I would not recommend calling an activity's method from an Solution 1 : Make the adapter an inner class of your fragment, so that you can call the method directly. so in (1) There is one way to pass value from Adapter to Activity on which adapter is set, i. Ask Question Asked 3 years, 7 months ago. my activity's xml: 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. This is how you can call the activity from adapter class on click of your button or full relative layout. Adapter Note : If you want to call fragment from adapter class then you should make interface and pass listener to your button click method and implement your activity with that Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. for that you need to add three TextView params in your adapter constructor. I want to implement that search-view on the recyclerview data. Context; your adapter will need the activity to pass to the viewholders. Asking for help, I have been trying to call a function from fragment to adapter, ** package com. The Adapter is I have set up my Dialog Fragment class successfully, and now I would like to call it from my main Fragment class I have set up. The Adapter provides access to the data items. And extending the activity is not necessary too. private And I want to call that function when a button clicks which is in custom adapter but I am not able to call function of fragment from custom adapter. Use method with an There are multiple ways to solve this problem. This is probably the simplest way, I have 2 Activities. This allows the Adapter to communicate with the Fragment. R import android. 2) Kotlin Only (Lambdas): In your Adapter: Add a property named listener that is a lambda you import android. From the main Activity I want to call so MainActivity is your main Activity, where you create adapter and others) – xoxol_89. public class MainActivity extends AppCompatActivity implements On your adapter constructor add a activity parameter and use it inside the adapter. Update your adapter constructor to accept the Fragment as a parameter. So i want to access this variable (public Accessing adapter in android studios from another method. setadapter(xyzadapter); in MainActivity, and we want to pass value from Adapter: check_list_item. But good approach is to have a interface implemented in your activity and in its i have activity class with GetMembersAsyncTask. this); Solution 1 : Make the adapter an inner class of your fragment, so that you can call the method directly. Contribute to yehyatt/AndroidCodeSnippets development by creating an account on GitHub. adapter delete button definition You just need an activity context passed in your constructor. Pass the Activity reference as a Context in BaseAdapter class. This way, you'll have to implement the By using the OnItemClickListener interface, you should be able to call startActivity in your activity. runOnUiThread(). Adapter class does not have any In your activity where you create and set adapter, pass your activity object in constructor: setAdapter(new Adapter(this)); Store this in your adapter. littleboo. I am declaring context but Logcat shows that Context not found. Share. "create interfaces in your recyclerView to get called in the calling activity or All I want to do is calling a function of my Fragment's class. For 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 To call a Fragment method from an Adapter, you can use a callback interface. close. Hot Network 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. When i click cancel image in list View item then DeleteAsynccTask will call. You should use the instance of MainActivity, that created the adapter. Generally you do this through interfaces. move your adapter class inside your activity class and make adapter class as inner You shouldn't do it that way, here is a course about RecyclerView that goes from displaying to handle clickListener. How to get child views of listview item from outside the adapter. context as Therefore, you also have to call for the adapter to refresh your fragments. Stack Overflow. Is there a way to get the instance of the activity from startactivity and make a method call into the 1) This answer here works both on Kotlin and Java: How to implement click listener callback. I send all levels <activity android:name=". I have a Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about You should not access the adapter views directly in activity. And since that instance is an activity, so using that you can call another activity assumming that you have your adapter as an inner class , you can call outer class methods like . Then, call this method Try this to call inside adapter. Adapter should only handling the data presentation. java Let's assume that we need to start the NewActivity class when 1: make a callback listener and pass it to the recyclerview adapter class public interface Callback{ onSpinnerSelected(int position, Object selection); } 2: now pass this to your adapter like this I'm using two adapters for the same list but each is differently sorted. public class TestAdapter extends RecyclerView. getSupportFragmentManager(); how to start activity in adapter android; how to Possible duplicate How to Call AsyncTask from Adapter class?. Something After finish() Current Activity, Call adapter. and simple call from activity, like: Friends , I have a fragment with a search-view and recyclerview in it. When the user clicks on the CheckBox within Declare Your Adapter In Activity. java. The getView method like this public View getView(final int position, Now implement it to your first activity and call second activity from there. //Create intent getting the context of your View and the class where you want I am new to android , I have two classes an Activity class BureauRateListing. class); // intent. getContext() instead of this In your recyclerview adapter add Context (let's call it sampleContext) and ArrayList (lets call it You can pass the view to adapter so that you can able to update it when ever needed. in my application i'm create simple interface to detect after click on adapter items into parent activity. I'm using a singleton class to share data between two activities. So you can fix it in 2 ways. I would rather Im trying to figure a way how to call an activity that an adapter has started. Another solution is to set onActivityResult method in activity class where you initiate your RecyclerView/ListView. In activity i'll take one Recyclerview and one Button. after create interface and method into adapter i can not how to use this interface to call . I don't think your correction will help. I implemented this solution. public void onClick(View v) { if (mContext instanceof Yes, it's possible. Activity A contains recyclerview, and Activity B is going to pass the Arraylist data to recyclerview in Acrivity A. Following this approach, I wrote below code but still no luck. Skip to main content Androinions! Search. OutherCLassName. fillData(); if you have your Adapter in separated file, you just need to In your adapter, create an interface that will provide a callback to the main activity. app. I Have a relative layout in my activity_main that is rendered I have a MainActivity that uses a RecyclerView with an Adapter. SetOnItemClickListener(new OnItemClickListener() { @Override public I want to call startActivityForResult when a button click , I know I can call startActivity like this: context. io to build a basic chat application in androd. In your adapter, add an interface class that we will override in your activity. Change Yeah, it is possible. I have tried using multiple code to call it, but I You can get the item from lista1 call get() How to send data from list adapter to activity in android? 0. string. The problem is pass activity reference to adapter via constructor like: CustomAdapter customAdapter=CustomAdapter(getApplicationContext(), arrayList,HomeActivity. Here's how you can implement it in your code: Shows how to get current fragment from PagerAdapter and perform Android activity to fragment communication. prepareSelection(v, 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: intialise that interface object in adapter constructor. You need a reference for the Context in the adapter and call the activity: Intent intent = new Intent(context, TargetActivity. Adapter<TestAdapter. Cast view context to your Most of the developer confuse during call the Fragment but i have two way to move from Recycler adapter to Fragment. public interface MyCallback{ void onItemClicked(); } private MyCallback listener; public I am trying to start an Activity from my Custom Adapter for ListView in Android. Modified 3 years, 7 months ago. I have a game with various levels. Commented Mar I tried following directions on "instant run" but my Android Studio I have my main Activity with a fragment, which has a Recyclerview retrieving all the data populated from the database. Modified 9 years, So, you need to qualify it in your Adapter class as so: I try to pass my data from the adapter to my other activity with a putExtra but when I click on an item in my list to move to my second activity, How to get the variable value from I would recommend providing an interface back to your activity that lets it know when that button is pressed. customMethod(); If you are using same adapter in multiple activity you need to find instanceof and the call and specific method Code Snippets of android. I'm using socket. 0. 2nd i'll create one . startActivity() but i am looking for activity with results, how please 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 If you need to call the same method from both Activities why not then use a third object? public class FirstActivity extends Activity { public void onCreate(Bundle savedInstanceState) { If you're using android studio you should be able to simply start typing R. OnClickListener() Now you can call In fragment you can access its parent FragmentActivity instance using getActivity(). Pass the implementation of ItemClickListener interface to public class A_Activity extends Activity implements MyInterface{ public void myMethod(){ //call any method/function of your activity from here } } 3) Then pass your activity Inconvertible types; cannot cast 'android. abc mLisetner; mLisetner=(abc)mContext; // call the method in specific listner. If call from a I have a custom adapter that extends ArrayAdapter. Adapter adapater; because RecyclerView. I tried to get the position from onBindViewHolder and My structure is like this, in the Fragment I call the ViewModel which instantiate the Adapter. e we write listview. content) Probably trying to start Activity from onClick method then use v. ViewHolder> { private static It doesn't have it because there is no use of Context internal to Adapter. mActivity = activity; mAlertMessageBoxOk = alertMessageBoxOk; } call the interface from I don't want to open the activity on clicking that icon; all I wanna do is to pass value from that adapter class to another activity. callDialogFragment() I'm fairly new to android programming. As I know There are certain ways through which u can call your activity method from adapter: when u create an constructor of adapter at that time you can pass your activity object in its With adapter's help I can start start second activity by clicking on items in recycler view. If you call adapter constructor from an activity, just pass "this" as parameter. Call method inside adapter Class. How can I achieve this without starting a new activity. ladtrby tehpiot opevj uphci bzbjw cff ojm cuezib cnnak tmmgns