[Reader IA] Refresh blogs count after subscribing/unsubscribing from search screen

WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderActivityLauncher.java

@@ -184,8 +184,11 @@ public static void showReaderTagPreview(Context context, @NonNull ReaderTag tag,
     }
 
     public static void showReaderSearch(Context context) {
-        Intent intent = new Intent(context, ReaderSearchActivity.class);
-        context.startActivity(intent);
+        context.startActivity(createReaderSearchIntent(context));
+    }
+
+    public static Intent createReaderSearchIntent(@NonNull final Context context) {
+        return new Intent(context, ReaderSearchActivity.class);
     }
 
     /*

WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderFragment.kt

@@ -1,7 +1,13 @@
 package org.wordpress.android.ui.reader
 
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
 import android.os.Bundle
 import android.view.View
+import androidx.activity.result.ActivityResult
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.platform.ViewCompositionStrategy
@@ -67,6 +73,8 @@ class ReaderFragment : Fragment(R.layout.reader_fragment_layout), ScrollableView
 
     private var binding: ReaderFragmentLayoutBinding? = null
 
+    private var readerSearchResultLauncher: ActivityResultLauncher<Intent>? = null
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         binding = ReaderFragmentLayoutBinding.bind(view).apply {
             initTopAppBar()
@@ -89,6 +97,28 @@ class ReaderFragment : Fragment(R.layout.reader_fragment_layout), ScrollableView
         activity?.let { viewModel.onScreenInBackground(it.isChangingConfigurations) }
     }
 
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        initReaderSearchActivityResultLauncher()
+    }
+
+    private fun initReaderSearchActivityResultLauncher() {
+        readerSearchResultLauncher = registerForActivityResult(
+            ActivityResultContracts.StartActivityForResult()
+        ) { result: ActivityResult ->
+            if (result.resultCode == Activity.RESULT_OK) {
+                val data = result.data
+                if (data != null) {
+                    val shouldRefreshSubscriptions =
+                        data.getBooleanExtra(ReaderSearchActivity.RESULT_SHOULD_REFRESH_SUBSCRIPTIONS, false)
+                    if (shouldRefreshSubscriptions) {
+                        getSubFilterViewModel()?.loadSubFilters()
+                    }
+                }
+            }
+        }
+    }
+
     private fun ReaderFragmentLayoutBinding.initTopAppBar() {
         readerTopBarComposeView.apply {
             setViewCompositionStrategy(ViewCompositionStrategy.DisposeOnViewTreeLifecycleDestroyed)
@@ -125,7 +155,10 @@ class ReaderFragment : Fragment(R.layout.reader_fragment_layout), ScrollableView
         }
 
         viewModel.showSearch.observeEvent(viewLifecycleOwner) {
-            ReaderActivityLauncher.showReaderSearch(context)
+            context?.let {
+                val intent = ReaderActivityLauncher.createReaderSearchIntent(it)
+                readerSearchResultLauncher?.launch(intent)
+            }
         }
 
         viewModel.showReaderInterests.observeEvent(viewLifecycleOwner) {

WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderPostListFragment.java

@@ -28,6 +28,7 @@
 import androidx.appcompat.widget.SearchView;
 import androidx.core.content.ContextCompat;
 import androidx.core.text.HtmlCompat;
+import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.lifecycle.ViewModelProvider;
 import androidx.recyclerview.widget.RecyclerView;
@@ -1261,7 +1262,10 @@ public boolean onMenuItemActionExpand(@NonNull MenuItem item) {
             }
 
             @Override
-            public boolean onMenuItemActionCollapse(@NonNull MenuItem item) {
+            public boolean onMenuItemActionCollapse(@NonNull final MenuItem item) {
+                if (getActivity() instanceof ReaderSearchActivity) {
+                    ((ReaderSearchActivity) requireActivity()).finishWithRefreshSubscriptionsResult();
+                }
                 requireActivity().finish();
                 return false;
             }

WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderSearchActivity.kt

@@ -1,5 +1,6 @@
 package org.wordpress.android.ui.reader
 
+import android.content.Intent
 import android.os.Bundle
 import dagger.hilt.android.AndroidEntryPoint
 import org.wordpress.android.R
@@ -46,4 +47,15 @@ class ReaderSearchActivity : LocaleAwareActivity() {
         super.onPause()
         readerTracker.stop(MAIN_READER)
     }
+
+    fun finishWithRefreshSubscriptionsResult() {
+        val data = Intent()
+        data.putExtra(ReaderSubsActivity.RESULT_SHOULD_REFRESH_SUBSCRIPTIONS, true)
+        setResult(RESULT_OK, data)
+        finish()
+    }
+
+    companion object {
+        const val RESULT_SHOULD_REFRESH_SUBSCRIPTIONS = "should_refresh_subscriptions"
+    }
 }