Merge "Add sectioned item list demo to test app" into androidx-main

Author: Jiarui Jiang

car/app/app-samples/showcase/common/src/main/java/androidx/car/app/sample/showcase/common/screens/templatelayouts/ListTemplateDemoScreen.java

@@ -29,6 +29,7 @@
 import androidx.car.app.sample.showcase.common.screens.templatelayouts.listtemplates.ContentProviderIconsDemoScreen;
 import androidx.car.app.sample.showcase.common.screens.templatelayouts.listtemplates.RadioButtonListDemoScreen;
 import androidx.car.app.sample.showcase.common.screens.templatelayouts.listtemplates.SecondaryActionsAndDecorationDemoScreen;
+import androidx.car.app.sample.showcase.common.screens.templatelayouts.listtemplates.SectionedItemListDemoScreen;
 import androidx.car.app.sample.showcase.common.screens.templatelayouts.listtemplates.TextAndIconsDemosScreen;
 import androidx.car.app.sample.showcase.common.screens.templatelayouts.listtemplates.ToggleButtonListDemoScreen;
 import androidx.car.app.versioning.CarAppApiLevels;
@@ -60,6 +61,9 @@ public Template onGetTemplate() {
                     new SecondaryActionsAndDecorationDemoScreen(getCarContext()),
                     R.string.secondary_actions_decoration_button_demo_title));
         }
+        listBuilder.addItem(buildRowForTemplate(
+                new SectionedItemListDemoScreen(getCarContext()),
+                R.string.sectioned_item_list_demo_title));
         return new ListTemplate.Builder()
                 .setSingleList(listBuilder.build())
                 .setTitle(getCarContext().getString(R.string.list_template_demo_title))

car/app/app-samples/showcase/common/src/main/java/androidx/car/app/sample/showcase/common/screens/templatelayouts/listtemplates/SectionedItemListDemoScreen.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.car.app.sample.showcase.common.screens.templatelayouts.listtemplates;
+
+import static androidx.car.app.model.Action.BACK;
+
+import androidx.annotation.NonNull;
+import androidx.car.app.CarContext;
+import androidx.car.app.Screen;
+import androidx.car.app.model.Action;
+import androidx.car.app.model.ActionStrip;
+import androidx.car.app.model.ItemList;
+import androidx.car.app.model.ListTemplate;
+import androidx.car.app.model.Row;
+import androidx.car.app.model.SectionedItemList;
+import androidx.car.app.model.Template;
+import androidx.car.app.sample.showcase.common.R;
+
+
+/** A screen demonstrating lists with sectioned item list */
+public class SectionedItemListDemoScreen extends Screen {
+    public SectionedItemListDemoScreen(@NonNull CarContext carContext) {
+        super(carContext);
+    }
+
+    @NonNull
+    @Override
+    public Template onGetTemplate() {
+
+        ItemList.Builder listBuilderOne = new ItemList.Builder();
+        listBuilderOne.addItem(buildRowForTemplate(R.string.sectioned_item_list_subtext));
+
+        listBuilderOne.addItem(buildRowForTemplate(R.string.sectioned_item_list_subtext));
+
+        ItemList.Builder listBuilderTwo = new ItemList.Builder();
+
+        listBuilderTwo.addItem(buildRowForTemplate(R.string.sectioned_item_list_subtext));
+
+        return new ListTemplate.Builder()
+                .addSectionedList(SectionedItemList.create(listBuilderOne.build(),
+                        getCarContext()
+                                .getString(R.string.sectioned_item_list_one_title)))
+                .addSectionedList(SectionedItemList.create(listBuilderTwo.build(),
+                        getCarContext()
+                                .getString(R.string.sectioned_item_list_two_title)))
+                .setTitle(getCarContext()
+                        .getString(R.string.sectioned_item_list_demo_title))
+                .setHeaderAction(BACK)
+                .setActionStrip(
+                        new ActionStrip.Builder()
+                                .addAction(
+                                        new Action.Builder()
+                                                .setTitle(getCarContext().getString(
+                                                        R.string.home_caps_action_title))
+                                                .setOnClickListener(
+                                                        () -> getScreenManager().popToRoot())
+                                                .build())
+                                .build())
+                .build();
+    }
+
+    private Row buildRowForTemplate(int title) {
+        return new Row.Builder()
+                .setTitle(getCarContext().getString(title))
+                .build();
+    }
+}

car/app/app-samples/showcase/common/src/main/res/values/strings.xml

@@ -411,6 +411,13 @@
   <string name="secondary_action_toast">Secondary Action is selected</string>
   <string name="row_primary_action_toast">Row primary action is selected</string>
 
+
+  <!--SectionedItemListDemoScreen -->
+  <string name="sectioned_item_list_demo_title">Sectioned Item List Demo</string>
+  <string name="sectioned_item_list_one_title">List 1</string>
+  <string name="sectioned_item_list_two_title">List 2</string>
+  <string name="sectioned_item_list_subtext">Subtext under each list</string>
+
   <!-- StartScreen -->
   <string name="misc_templates_demos_title">Misc Templates Demos</string>
   <string name="cal_api_level_prefix" translatable="false">CAL API Level: %d</string>