How to open fragment page, when pressed a notification in android

Question

I am trying to open a fragment when I press a notification in the notification bar. My app structure is:

• a base activity with a nav drawer menu

• some fragment that are opened from menu

  b.setOnClickListener(new OnClickListener() {
  
          @SuppressWarnings({ "deprecation", "static-access" })
          public void onClick(View v) {
  
          w_nm=(NotificationManager) getActivity().getSystemService(getActivity().NOTIFICATION_SERVICE);
  
           Notification notify=new Notification(R.drawable.notnificationlogo,waternoti,System.currentTimeMillis());
  
           Intent notificationIntent = new Intent(getActivity(), Abc.class);
  
  
  
           PendingIntent pending=PendingIntent.getActivity(getActivity(), 0,notificationIntent, 0);
  
  
           notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
                   | Intent.FLAG_ACTIVITY_SINGLE_TOP );
  
          notify.flags = Notification.DEFAULT_LIGHTS | Notification.FLAG_AUTO_CANCEL;
  
             notify.setLatestEventInfo(getActivity(),waternoti,waternoti1, pending);
  
           w_nm.notify(0, notify);
  

Can anyone tell me how to link with next fragment page (the present code is in class that extends fragment)

Answer 1

If you are using Navigation Component you can open a specific destination using NavDeepLinkBuilder:

val pendingIntent = NavDeepLinkBuilder(context)
                     .setComponentName(MainActivity::class.java)
                     .setGraph(R.navigation.nav_graph)
                     .setDestination(R.id.destination)
                     .setArguments(bundle)
                     .createPendingIntent()

...

notificationBuilder.setContentIntent(pendingIntent)

...

Please note that it's important to use setComponentName only if your destination isn't in the launcher activity.