Add search to Android Studio lessons tab

app/src/main/java/com/d4rk/androidtutorials/java/ui/screens/android/AndroidStudioFragment.java

@@ -1,14 +1,92 @@
 package com.d4rk.androidtutorials.java.ui.screens.android;
 
 import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.widget.SearchView;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceFragmentCompat;
+import androidx.preference.PreferenceScreen;
 
 import com.d4rk.androidtutorials.java.R;
 
 public class AndroidStudioFragment extends PreferenceFragmentCompat {
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
+    }
+
     @Override
     public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
         setPreferencesFromResource(R.xml.preferences_android_studio, rootKey);
     }
+
+    @Override
+    public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
+        super.onCreateOptionsMenu(menu, inflater);
+        inflater.inflate(R.menu.menu_android_studio, menu);
+        MenuItem searchItem = menu.findItem(R.id.action_search);
+        SearchView searchView = (SearchView) searchItem.getActionView();
+        searchView.setQueryHint(getString(R.string.search_lessons_hint));
+        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
+            @Override
+            public boolean onQueryTextSubmit(String query) {
+                filterPreferences(query);
+                return true;
+            }
+
+            @Override
+            public boolean onQueryTextChange(String newText) {
+                filterPreferences(newText);
+                return true;
+            }
+        });
+        searchItem.setOnActionExpandListener(new MenuItem.OnActionExpandListener() {
+            @Override
+            public boolean onMenuItemActionExpand(MenuItem item) {
+                return true;
+            }
+
+            @Override
+            public boolean onMenuItemActionCollapse(MenuItem item) {
+                filterPreferences("");
+                return true;
+            }
+        });
+    }
+
+    private void filterPreferences(String query) {
+        PreferenceScreen screen = getPreferenceScreen();
+        if (screen == null) {
+            return;
+        }
+        String lower = query == null ? "" : query.toLowerCase();
+        for (int i = 0; i < screen.getPreferenceCount(); i++) {
+            Preference pref = screen.getPreference(i);
+            applyFilter(pref, lower);
+        }
+    }
+
+    private boolean applyFilter(Preference pref, String query) {
+        if (pref instanceof PreferenceCategory category) {
+            boolean visible = false;
+            for (int i = 0; i < category.getPreferenceCount(); i++) {
+                Preference child = category.getPreference(i);
+                boolean childVisible = applyFilter(child, query);
+                visible |= childVisible;
+            }
+            category.setVisible(visible);
+            return visible;
+        } else {
+            boolean matches = pref.getTitle().toString().toLowerCase().contains(query);
+            pref.setVisible(matches);
+            return matches;
+        }
+    }
 }

app/src/main/res/drawable-anydpi/ic_search.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="28dp"
+    android:height="28dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="?android:textColorPrimary"
+        android:pathData="M15.5,14h-0.79l-0.28,-0.27C15.41,12.59,16,11.11,16,9.5 16,5.91,13.09,3,9.5,3 5.91,3,3,5.91,3,9.5 3,13.09,5.91,16,9.5,16c1.61,0,3.09,-0.59,4.23,-1.57l0.27,0.28v0.79l5,4.99L20.49,19l-4.99,-5zM9.5,14c-2.49,0,-4.5,-2.01,-4.5,-4.5S7.01,5,9.5,5 14,7.01,14,9.5 11.99,14,9.5,14z"/>
+</vector>

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

@@ -0,0 +1,10 @@
+<?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/ic_search"
+        android:title="@string/search_lessons_content_description"
+        app:actionViewClass="androidx.appcompat.widget.SearchView"
+        app:showAsAction="ifRoom|collapseActionView" />
+</menu>

app/src/main/res/values-ar-rEG/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">متجر Play</string>
     <string name="search_tutorials_hint">ابحث عن الدروس</string>
     <string name="search_tutorials_content_description">ابحث عن الدروس</string>
+    <string name="search_lessons_hint">ابحث عن الدروس</string>
+    <string name="search_lessons_content_description">ابحث عن الدروس</string>
     <string name="android_studio">أندرويد ستوديو</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">ابدأ مشروع جديد</string>

app/src/main/res/values-bg-rBG/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Търсене на уроци</string>
     <string name="search_tutorials_content_description">Търсене на уроци</string>
+    <string name="search_lessons_hint">Търсене на уроци</string>
+    <string name="search_lessons_content_description">Търсене на уроци</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Стартиране на нов проект</string>

app/src/main/res/values-bn-rBD/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">প্লে স্টোর</string>
     <string name="search_tutorials_hint">টিউটোরিয়াল খুঁজুন</string>
     <string name="search_tutorials_content_description">টিউটোরিয়াল খুঁজুন</string>
+    <string name="search_lessons_hint">পাঠ খুঁজুন</string>
+    <string name="search_lessons_content_description">পাঠ খুঁজুন</string>
     <string name="android_studio">অ্যান্ড্রয়েড স্টুডিও</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">একটি নতুন প্রকল্প শুরু করুন</string>

app/src/main/res/values-de-rDE/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Tutorials suchen</string>
     <string name="search_tutorials_content_description">Tutorials suchen</string>
+    <string name="search_lessons_hint">Lektionen suchen</string>
+    <string name="search_lessons_content_description">Lektionen suchen</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Neues Projekt starten</string>

app/src/main/res/values-es-rGQ/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Buscar tutoriales</string>
     <string name="search_tutorials_content_description">Buscar tutoriales</string>
+    <string name="search_lessons_hint">Buscar lecciones</string>
+    <string name="search_lessons_content_description">Buscar lecciones</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Iniciar un nuevo proyecto</string>

app/src/main/res/values-es-rMX/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Buscar tutoriales</string>
     <string name="search_tutorials_content_description">Buscar tutoriales</string>
+    <string name="search_lessons_hint">Buscar lecciones</string>
+    <string name="search_lessons_content_description">Buscar lecciones</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Iniciar un nuevo proyecto</string>

app/src/main/res/values-fil-rPH/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Maghanap ng mga tutorial</string>
     <string name="search_tutorials_content_description">Maghanap ng mga tutorial</string>
+    <string name="search_lessons_hint">Maghanap ng mga aralin</string>
+    <string name="search_lessons_content_description">Maghanap ng mga aralin</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Magsimula ng Bagong Proyekto</string>

app/src/main/res/values-fr-rFR/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Rechercher des tutoriels</string>
     <string name="search_tutorials_content_description">Rechercher des tutoriels</string>
+    <string name="search_lessons_hint">Rechercher des leçons</string>
+    <string name="search_lessons_content_description">Rechercher des leçons</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Démarrer un nouveau projet</string>

app/src/main/res/values-hi-rIN/strings.xml

@@ -10,6 +10,8 @@
     <string name="play_store">प्ले स्टोर</string>
     <string name="search_tutorials_hint">ट्यूटोरियल खोजें</string>
     <string name="search_tutorials_content_description">ट्यूटोरियल खोजें</string>
+    <string name="search_lessons_hint">पाठ खोजें</string>
+    <string name="search_lessons_content_description">पाठ खोजें</string>
     <string name="update_downloaded">अपडेट डाउनलोड किया गया</string>
     <string name="view_in_google_play">Google Play Store में देखें</string>
     <string name="version_info">संस्करण की जानकारी</string>

app/src/main/res/values-hu-rHU/strings.xml

@@ -5,6 +5,8 @@
     <string name="play_store">Play Áruház</string>
     <string name="search_tutorials_hint">Oktatóanyagok keresése</string>
     <string name="search_tutorials_content_description">Oktatóanyagok keresése</string>
+    <string name="search_lessons_hint">Leckék keresése</string>
+    <string name="search_lessons_content_description">Leckék keresése</string>
     <string name="im_step1_desc">Képernyőkép az Új projekt gombbal az Android Studioban.</string>
     <string name="im_step2_desc">Képernyőkép a projekt beállításakor az aktivitástípus választásáról.</string>
     <string name="im_step3_desc">Képernyőkép az alkalmazás neve, csomagja, nyelve és minimum SDK mezőiről.</string>

app/src/main/res/values-in-rID/strings.xml

@@ -10,6 +10,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Cari tutorial</string>
     <string name="search_tutorials_content_description">Cari tutorial</string>
+    <string name="search_lessons_hint">Cari pelajaran</string>
+    <string name="search_lessons_content_description">Cari pelajaran</string>
     <string name="update_downloaded">Pembaruan diunduh</string>
     <string name="view_in_google_play">Lihat di Google Play Store</string>
     <string name="version_info">Info versi</string>

app/src/main/res/values-it-rIT/strings.xml

@@ -5,6 +5,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Cerca tutorial</string>
     <string name="search_tutorials_content_description">Cerca tutorial</string>
+    <string name="search_lessons_hint">Cerca lezioni</string>
+    <string name="search_lessons_content_description">Cerca lezioni</string>
     <string name="im_step1_desc">Screenshot che mostra il pulsante Nuovo progetto in Android Studio.</string>
     <string name="im_step2_desc">Screenshot che mostra la selezione del tipo di attività durante la configurazione del progetto.</string>
     <string name="im_step3_desc">Screenshot che mostra i campi nome app, pacchetto, lingua e SDK minimo.</string>

app/src/main/res/values-ja-rJP/strings.xml

@@ -5,6 +5,8 @@
     <string name="play_store">Play ストア</string>
     <string name="search_tutorials_hint">チュートリアルを検索</string>
     <string name="search_tutorials_content_description">チュートリアルを検索</string>
+    <string name="search_lessons_hint">レッスンを検索</string>
+    <string name="search_lessons_content_description">レッスンを検索</string>
     <string name="im_step1_desc">Android Studio の新規プロジェクトボタンを示すスクリーンショット。</string>
     <string name="im_step2_desc">プロジェクト設定中のアクティビティタイプ選択を示すスクリーンショット。</string>
     <string name="im_step3_desc">アプリ名、パッケージ、言語、最小 SDK の入力欄を示すスクリーンショット。</string>

app/src/main/res/values-ko-rKR/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play 스토어</string>
     <string name="search_tutorials_hint">튜토리얼 검색</string>
     <string name="search_tutorials_content_description">튜토리얼 검색</string>
+    <string name="search_lessons_hint">강의 검색</string>
+    <string name="search_lessons_content_description">강의 검색</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">새 프로젝트 시작</string>

app/src/main/res/values-pl-rPL/strings.xml

@@ -5,6 +5,8 @@
     <string name="play_store">Sklep Play</string>
     <string name="search_tutorials_hint">Wyszukaj samouczki</string>
     <string name="search_tutorials_content_description">Wyszukaj samouczki</string>
+    <string name="search_lessons_hint">Wyszukaj lekcje</string>
+    <string name="search_lessons_content_description">Wyszukaj lekcje</string>
     <string name="im_step1_desc">Zrzut ekranu pokazujący przycisk Nowy projekt w Android Studio.</string>
     <string name="im_step2_desc">Zrzut ekranu pokazujący wybór typu aktywności podczas konfiguracji projektu.</string>
     <string name="im_step3_desc">Zrzut ekranu pokazujący pola nazwy aplikacji, pakietu, języka i minimalnego SDK.</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Pesquisar tutoriais</string>
     <string name="search_tutorials_content_description">Pesquisar tutoriais</string>
+    <string name="search_lessons_hint">Pesquisar lições</string>
+    <string name="search_lessons_content_description">Pesquisar lições</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Iniciar um Novo Projeto</string>

app/src/main/res/values-ro-rRO/strings.xml

@@ -10,6 +10,8 @@
     <string name="play_store">Magazin Play</string>
     <string name="search_tutorials_hint">Caută tutoriale</string>
     <string name="search_tutorials_content_description">Caută tutoriale</string>
+    <string name="search_lessons_hint">Caută lecții</string>
+    <string name="search_lessons_content_description">Caută lecții</string>
     <string name="update_downloaded">Actualizare descărcată</string>
     <string name="view_in_google_play">Vezi în Magazinul Google Play</string>
     <string name="version_info">Informații versiune</string>

app/src/main/res/values-ru-rRU/strings.xml

@@ -10,6 +10,8 @@
     <string name="play_store">Play Маркет</string>
     <string name="search_tutorials_hint">Поиск руководств</string>
     <string name="search_tutorials_content_description">Поиск руководств</string>
+    <string name="search_lessons_hint">Поиск уроков</string>
+    <string name="search_lessons_content_description">Поиск уроков</string>
     <string name="update_downloaded">Обновление загружено</string>
     <string name="view_in_google_play">Просмотреть в Google Play Store</string>
     <string name="version_info">Информация о версии</string>

app/src/main/res/values-sv-rSE/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Butik</string>
     <string name="search_tutorials_hint">Sök handledningar</string>
     <string name="search_tutorials_content_description">Sök handledningar</string>
+    <string name="search_lessons_hint">Sök lektioner</string>
+    <string name="search_lessons_content_description">Sök lektioner</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Starta ett nytt projekt</string>

app/src/main/res/values-th-rTH/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">ค้นหาบทช่วยสอน</string>
     <string name="search_tutorials_content_description">ค้นหาบทช่วยสอน</string>
+    <string name="search_lessons_hint">ค้นหาบทเรียน</string>
+    <string name="search_lessons_content_description">ค้นหาบทเรียน</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">เริ่มโปรเจกต์ใหม่</string>

app/src/main/res/values-tr-rTR/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Eğitimleri ara</string>
     <string name="search_tutorials_content_description">Eğitimleri ara</string>
+    <string name="search_lessons_hint">Dersleri ara</string>
+    <string name="search_lessons_content_description">Dersleri ara</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Yeni Bir Proje Başlat</string>

app/src/main/res/values-uk-rUA/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play Store</string>
     <string name="search_tutorials_hint">Пошук навчальних посібників</string>
     <string name="search_tutorials_content_description">Пошук навчальних посібників</string>
+    <string name="search_lessons_hint">Пошук уроків</string>
+    <string name="search_lessons_content_description">Пошук уроків</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Створити новий проєкт</string>

app/src/main/res/values-ur-rPK/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">پلے اسٹور</string>
     <string name="search_tutorials_hint">ٹیوٹوریلز تلاش کریں</string>
     <string name="search_tutorials_content_description">ٹیوٹوریلز تلاش کریں</string>
+    <string name="search_lessons_hint">سبق تلاش کریں</string>
+    <string name="search_lessons_content_description">سبق تلاش کریں</string>
     <string name="android_studio">اینڈرائیڈ اسٹوڈیو</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">نیا پروجیکٹ شروع کریں</string>

app/src/main/res/values-vi-rVN/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Cửa hàng Play</string>
     <string name="search_tutorials_hint">Tìm kiếm hướng dẫn</string>
     <string name="search_tutorials_content_description">Tìm kiếm hướng dẫn</string>
+    <string name="search_lessons_hint">Tìm kiếm bài học</string>
+    <string name="search_lessons_content_description">Tìm kiếm bài học</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">Bắt đầu một dự án mới</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -19,6 +19,8 @@
     <string name="play_store">Play 商店</string>
     <string name="search_tutorials_hint">搜尋教學</string>
     <string name="search_tutorials_content_description">搜尋教學</string>
+    <string name="search_lessons_hint">搜尋課程</string>
+    <string name="search_lessons_content_description">搜尋課程</string>
     <string name="android_studio">Android Studio</string>
     <string name="android_start">Start a new project</string>
     <string name="android_start_project">開始一個新專案</string>