Added template search

app/src/main/java/eu/faircode/email/FragmentAnswers.java

@@ -21,12 +21,17 @@ package eu.faircode.email;
 
 import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.text.TextUtils;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.appcompat.widget.SearchView;
 import androidx.constraintlayout.widget.Group;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.FragmentTransaction;
@@ -50,6 +55,7 @@ public class FragmentAnswers extends FragmentBase {
     private Group grpReady;
     private FloatingActionButton fab;
 
+    private String searching = null;
     private AdapterAnswer adapter;
 
     @Override
@@ -112,10 +118,21 @@ public class FragmentAnswers extends FragmentBase {
         return view;
     }
 
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        outState.putString("fair:searching", searching);
+        super.onSaveInstanceState(outState);
+    }
+
     @Override
     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
 
+        if (savedInstanceState != null) {
+            searching = savedInstanceState.getString("fair:searching");
+            adapter.search(searching);
+        }
+
         DB db = DB.getInstance(getContext());
         db.answer().liveAnswers().observe(getViewLifecycleOwner(), new Observer<List<EntityAnswer>>() {
             @Override
@@ -130,4 +147,36 @@ public class FragmentAnswers extends FragmentBase {
             }
         });
     }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        inflater.inflate(R.menu.menu_answers, menu);
+
+        MenuItem menuSearch = menu.findItem(R.id.menu_search);
+        SearchView searchView = (SearchView) menuSearch.getActionView();
+        searchView.setQueryHint(getString(R.string.title_rules_search_hint));
+
+        if (!TextUtils.isEmpty(searching)) {
+            menuSearch.expandActionView();
+            searchView.setQuery(searching, true);
+        }
+
+        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+            @Override
+            public boolean onQueryTextChange(String newText) {
+                searching = newText;
+                adapter.search(newText);
+                return true;
+            }
+
+            @Override
+            public boolean onQueryTextSubmit(String query) {
+                searching = query;
+                adapter.search(query);
+                return true;
+            }
+        });
+
+        super.onCreateOptionsMenu(menu, inflater);
+    }
 }