Add search in groups

app/src/main/java/com/cringe_studios/code_guard/MainActivity.java

@@ -13,6 +13,7 @@ import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.widget.SearchView;
 import androidx.core.util.Consumer;
 import androidx.fragment.app.Fragment;
 
@@ -255,6 +256,11 @@ public class MainActivity extends BaseActivity {
             ActionBar bar = getSupportActionBar();
             if(bar != null) bar.setTitle(((NamedFragment) fragment).getName());
         }else {
+            navigateToMainGroup();
+        }
+    }
+
+    private void navigateToMainGroup() {
         List<String> groups = SettingsUtil.getGroups(this);
         if(!groups.isEmpty()) {
             Bundle bundle = new Bundle();
@@ -262,7 +268,6 @@ public class MainActivity extends BaseActivity {
             NavigationUtil.navigate(this, GroupFragment.class, bundle);
         }
     }
-    }
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
@@ -279,6 +284,23 @@ public class MainActivity extends BaseActivity {
                 menu.removeItem(R.id.action_view_otp);
                 menu.removeItem(R.id.action_edit_otp);
             }
+
+            if(!frag.isEditing()) {
+                MenuItem search = menu.findItem(R.id.action_search);
+                SearchView v = (SearchView) search.getActionView();
+                v.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+                    @Override
+                    public boolean onQueryTextSubmit(String query) {
+                        return true;
+                    }
+
+                    @Override
+                    public boolean onQueryTextChange(String newText) {
+                        frag.filter(newText);
+                        return true;
+                    }
+                });
+            }
             return true;
         }
 
@@ -328,6 +350,11 @@ public class MainActivity extends BaseActivity {
             return;
         }
 
+        if(!(fragment instanceof GroupFragment)) {
+            navigateToMainGroup();
+            return;
+        }
+
         if(System.currentTimeMillis() - backLastPressed < BACK_BUTTON_DELAY) {
             finishAffinity();
         }else {

app/src/main/java/com/cringe_studios/code_guard/fragment/GroupFragment.java

@@ -186,6 +186,10 @@ public class GroupFragment extends NamedFragment {
         }, null, null);
     }
 
+    public void filter(String newText) {
+        otpListAdapter.filter(newText);
+    }
+
     public boolean isEditing() {
         return otpListAdapter.isEditing();
     }

app/src/main/java/com/cringe_studios/code_guard/otplist/OTPListAdapter.java

@@ -36,6 +36,8 @@ public class OTPListAdapter extends RecyclerView.Adapter<OTPListItem> {
 
     private final List<OTPData> items;
 
+    private List<OTPData> filteredItems;
+
     private final Handler handler;
 
     private final Runnable saveOTPs;
@@ -47,6 +49,7 @@ public class OTPListAdapter extends RecyclerView.Adapter<OTPListItem> {
         this.recyclerView = recyclerView;
         this.inflater = LayoutInflater.from(context);
         this.items = new ArrayList<>();
+        this.filteredItems = items;
         this.handler = new Handler(Looper.getMainLooper());
         this.saveOTPs = saveOTPs;
 
@@ -62,7 +65,7 @@ public class OTPListAdapter extends RecyclerView.Adapter<OTPListItem> {
 
     @Override
     public void onBindViewHolder(@NonNull OTPListItem holder, int position) {
-        OTPData data = items.get(position);
+        OTPData data = filteredItems.get(position);
 
         holder.setOTPData(data);
         holder.setSelected(false);
@@ -132,7 +135,7 @@ public class OTPListAdapter extends RecyclerView.Adapter<OTPListItem> {
 
     @Override
     public int getItemCount() {
-        return items.size();
+        return filteredItems.size();
     }
 
     public List<OTPData> getItems() {
@@ -200,7 +203,7 @@ public class OTPListAdapter extends RecyclerView.Adapter<OTPListItem> {
         item.setCodeShown(true);
     }
 
-    private List<OTPListItem> getCodes() {
+    public List<OTPListItem> getCodes() {
         List<OTPListItem> is = new ArrayList<>();
         for(int i = 0; i < items.size(); i++) {
             OTPListItem vh = (OTPListItem) recyclerView.findViewHolderForAdapterPosition(i);
@@ -210,6 +213,27 @@ public class OTPListAdapter extends RecyclerView.Adapter<OTPListItem> {
         return is;
     }
 
+    public void filter(String query) {
+        if(isEditing()) return;
+
+        if(query == null || query.isEmpty()) {
+            filteredItems = items;
+            notifyDataSetChanged();
+            return;
+        }
+
+        query = query.toLowerCase();
+
+        List<OTPData> filtered = new ArrayList<>();
+        for(OTPData d : items) {
+            if(d.getName().toLowerCase().contains(query)
+                || d.getIssuer().toLowerCase().contains(query)) filtered.add(d);
+        }
+
+        filteredItems = filtered;
+        notifyDataSetChanged();
+    }
+
     private void attachTouchHelper(RecyclerView view) {
         new ItemTouchHelper(new OTPListAdapter.TouchHelperCallback()).attachToRecyclerView(view);
     }

app/src/main/res/drawable/baseline_search_24.xml

@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="?android:attr/textColor"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59 16,11.11 16,9.5 16,5.91 13.09,3 9.5,3S3,5.91 3,9.5 5.91,16 9.5,16c1.61,0 3.09,-0.59 4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14C7.01,14 5,11.99 5,9.5S7.01,5 9.5,5 14,7.01 14,9.5 11.99,14 9.5,14z"/>
+</vector>

app/src/main/res/menu/menu_otps.xml

@@ -1,6 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_search"
+        android:icon="@drawable/baseline_search_24"
+        app:showAsAction="always|collapseActionView"
+        app:actionViewClass="androidx.appcompat.widget.SearchView"
+        android:title="@string/search"/>
     <item
         android:id="@+id/action_add_otp"
         android:orderInCategory="100"