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I'm new to android development, I was making this app that receives messages, onReceive.I want to update those data in the ListView that is in a fragment and the update should happen in the background. Broadcast Receiver is registered globally

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What you need is this code: getActivity().sendBroadcast(intent); Edit 1: Some explanation -> Fragments are attached to an Activity, which is a subclass of Context which is required for sendBroadcast. So with getActivity ().sendBroadcast () you will use the Context associated with Activity the Fragment is attached to at the moment.

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Android Passing Data between Fragments. Intents are only usable for sending data on an Activity level. To pass data between fragments we need to create our own interfaces. The flow to send a String data from one Fragment to another is shown below. Let's get started with the implementation of the above flow.

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Solution 1 : Make the adapter an inner class of your fragment, so that you can call the method directly. Solution 2 : Update your adapter constructor to accept the Fragment as a parameter. Something like : customAdapter = new CustomAdapter(myContext, android.R.layout.simple_list_item_1, getList, HomeFragment.this);

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Yes, that's why setting your app up with a base activity which implements the interface, and a base fragment to attach the interface to, would be the way to go. Once you've got that, you can pass any data from/to any class. If done properly, you don't even need to pass around any Bundle data between fragments. - mjp66.

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You can use Listener/Callback in your custom Adapter something like this: public class NameAdapter extends ArrayAdapter {. private AdapterListener mListener; // define listener public interface AdapterListener { void onClick(String name); } // set the listener.

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78. My app has an action bar with 3 fragment tabs. In the second fragment I register and unregister a BroadcastReceiver. I unregister the receiver in onPause and register it in onCreateView and in onResume. getActivity().registerReceiver(this.batteryInfoReceiver, new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); and.

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As explained a simple approach to decouple things in android is by sending broadcast messages, so this is one way of doing it: view_log.setOnClickListener(new OnClickListener() {. @Override. public void onClick(View v) {. //Here i want to call my fragment. //You need to pass a reference of the context to your adapter.

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I have an activity with two fragments.I am not using tags, I have two classes that extends Fragment, in that fragment, I have: @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment return inflater.inflate(R.layout.bfragment, container, false); // this will inflate the Fragment in activity.

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2. If it understood correctly, you want to pass data from the callback method call to the interface implementation. Use parameters. void MethodCallbackgo(String data); Pass it back. etpass=String.valueOf(viewHolder.editText.getText()); callback.MethodCallbackgo(etpass);

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0. There is nothing wrong with this approach. First of all your receiver registered in onStart and Unregistered in onStop method. So if your activity is running (i mean not stopped) and you remove or replace your fragment.then you will never be able to unregister your receiver.

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34. Its Best solution is to pass the reference of your Context to the Adapter from Your Activity (or) Fragment. public UsersAdapter(ArrayList items , Context context) {. usersList = items; this.context = context; } Then upcast context to AppCompatActivity like this and get the getSupportFragmentManager.

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send data from to receiver and get in fragment. I want to receive data which I have passed from Adapter but it not even getting called. receiver class(the class is in Fragement)