From c47a2d9e139ef599d81fbfe3223b459e877e8f95 Mon Sep 17 00:00:00 2001
From: Yabin Huang <yabinh@google.com>
Date: Mon, 14 Sep 2020 19:17:27 -0700
Subject: Add an example to demo custom FocusArea

Bug: 155698037
Test: manual
Change-Id: I4bf0648d66da4804e9d67c8f98accd92f65cbd41
---
 .../res/layout/custom_focus_areas_fragment.xml     | 214 +++++++++++++++++++++
 RotaryPlayground/res/layout/rotary_cards.xml       |   5 +-
 RotaryPlayground/res/layout/rotary_menu.xml        |   7 +
 .../rotaryplayground/CustomFocusAreasFragment.java |  35 ++++
 .../android/car/rotaryplayground/RotaryMenu.java   |  14 ++
 5 files changed, 271 insertions(+), 4 deletions(-)
 create mode 100644 RotaryPlayground/res/layout/custom_focus_areas_fragment.xml
 create mode 100644 RotaryPlayground/src/com/android/car/rotaryplayground/CustomFocusAreasFragment.java

(limited to 'RotaryPlayground')

diff --git a/RotaryPlayground/res/layout/custom_focus_areas_fragment.xml b/RotaryPlayground/res/layout/custom_focus_areas_fragment.xml
new file mode 100644
index 0000000..ea6a0b0
--- /dev/null
+++ b/RotaryPlayground/res/layout/custom_focus_areas_fragment.xml
@@ -0,0 +1,214 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2020 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.
+  -->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:layout_weight="1"
+        android:orientation="vertical">
+
+        <com.android.car.ui.FocusArea
+            android:id="@+id/top_left"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:layout_margin="@dimen/margin"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:background="@color/card_background_color">
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:focusedByDefault="true"
+                android:text="android:focusedByDefault"/>
+            <Button
+                android:id="@+id/default_focus1"
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+        </com.android.car.ui.FocusArea>
+
+        <com.android.car.ui.FocusArea
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:layout_margin="@dimen/margin"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:background="@color/card_background_color"
+            app:defaultFocus="@+id/default_focus">
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:focusedByDefault="true"
+                android:text="android:focusedByDefault"/>
+            <Button
+                android:id="@+id/default_focus"
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="app:defaultFocus"/>
+        </com.android.car.ui.FocusArea>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:layout_weight="1"
+        android:orientation="vertical">
+
+        <com.android.car.ui.FocusArea
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:layout_margin="@dimen/margin"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:background="@color/card_background_color"
+            app:defaultFocus="@+id/default_focus2">
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+            <Button
+                android:id="@+id/default_focus2"
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="app:defaultFocus"/>
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+        </com.android.car.ui.FocusArea>
+
+        <com.android.car.ui.FocusArea
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:layout_margin="@dimen/margin"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:background="@color/card_background_color"
+            app:nudgeLeft="@+id/top_left">
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Nudging to left goes to top left"/>
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+        </com.android.car.ui.FocusArea>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="match_parent"
+        android:layout_weight="1"
+        android:orientation="vertical">
+
+        <com.android.car.ui.FocusArea
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:layout_margin="@dimen/margin"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:background="@color/card_background_color"
+            app:nudgeShortcut="@+id/nudge_shortcut"
+            app:nudgeShortcutDirection="up">
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Nudging up goes to the first Button"/>
+            <Button
+                android:id="@+id/nudge_shortcut"
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:text="Button"/>
+        </com.android.car.ui.FocusArea>
+
+        <com.android.car.ui.FocusArea
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"
+            android:layout_margin="@dimen/margin"
+            android:gravity="center"
+            android:orientation="vertical"
+            android:background="@color/card_disabled_background_color">
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:focusable="false"
+                android:text="non-focusable Button"/>
+            <Button
+                android:layout_width="wrap_content"
+                android:layout_height="@dimen/button_height"
+                android:paddingHorizontal="@dimen/padding"
+                android:enabled="false"
+                android:text="disabled Button"/>
+        </com.android.car.ui.FocusArea>
+
+    </LinearLayout>
+
+</LinearLayout>
diff --git a/RotaryPlayground/res/layout/rotary_cards.xml b/RotaryPlayground/res/layout/rotary_cards.xml
index b197058..e3d9e87 100644
--- a/RotaryPlayground/res/layout/rotary_cards.xml
+++ b/RotaryPlayground/res/layout/rotary_cards.xml
@@ -52,15 +52,12 @@
                 android:layout_width="@dimen/card_width"
                 android:layout_height="match_parent"
                 android:padding="@dimen/card_padding"
-                android:orientation="vertical"
-                app:nudgeShortcut="@+id/button1"
-                app:nudgeShortcutDirection="up">
+                android:orientation="vertical">
                 <TextView
                     android:layout_height="@dimen/description_height"
                     android:layout_width="match_parent"
                     android:text="@string/card_normal_text" />
                 <Button
-                    android:id="@+id/button1"
                     android:layout_width="match_parent"
                     android:layout_height="50dp"
                     android:onClick="onRotaryButtonClick"
diff --git a/RotaryPlayground/res/layout/rotary_menu.xml b/RotaryPlayground/res/layout/rotary_menu.xml
index 452fdc1..f72d6ec 100644
--- a/RotaryPlayground/res/layout/rotary_menu.xml
+++ b/RotaryPlayground/res/layout/rotary_menu.xml
@@ -69,4 +69,11 @@
         android:layout_weight="1"
         android:text="WebView"
         style="@style/tab" />
+    <Button
+        android:id="@+id/custom_focus_areas"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:text="Custom FocusAreas"
+        style="@style/tab" />
 </com.android.car.ui.FocusArea>
diff --git a/RotaryPlayground/src/com/android/car/rotaryplayground/CustomFocusAreasFragment.java b/RotaryPlayground/src/com/android/car/rotaryplayground/CustomFocusAreasFragment.java
new file mode 100644
index 0000000..b8b1c71
--- /dev/null
+++ b/RotaryPlayground/src/com/android/car/rotaryplayground/CustomFocusAreasFragment.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2020 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 com.android.car.rotaryplayground;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+/** Fragment to demo custom attributes in {@link com.android.car.ui.FocusArea}. */
+public class CustomFocusAreasFragment extends Fragment {
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
+            @Nullable Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.custom_focus_areas_fragment, container, false);
+    }
+}
diff --git a/RotaryPlayground/src/com/android/car/rotaryplayground/RotaryMenu.java b/RotaryPlayground/src/com/android/car/rotaryplayground/RotaryMenu.java
index 048686e..0e417b4 100644
--- a/RotaryPlayground/src/com/android/car/rotaryplayground/RotaryMenu.java
+++ b/RotaryPlayground/src/com/android/car/rotaryplayground/RotaryMenu.java
@@ -38,6 +38,7 @@ public class RotaryMenu extends Fragment {
     private Fragment mNotificationFragment = null;
     private Fragment mScrollFragment = null;
     private Fragment mWebViewFragment = null;
+    private Fragment mCustomFocusAreasFragment = null;
 
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
@@ -86,6 +87,12 @@ public class RotaryMenu extends Fragment {
             showWebViewFragment();
         });
 
+        Button customFocusAreasButton = view.findViewById(R.id.custom_focus_areas);
+        customFocusAreasButton.setOnClickListener(v -> {
+            selectTab(v);
+            showCustomFocusAreasFragment();
+        });
+
         return view;
     }
 
@@ -148,6 +155,13 @@ public class RotaryMenu extends Fragment {
         showFragment(mWebViewFragment);
     }
 
+    private void showCustomFocusAreasFragment() {
+        if (mCustomFocusAreasFragment == null) {
+            mCustomFocusAreasFragment = new CustomFocusAreasFragment();
+        }
+        showFragment(mCustomFocusAreasFragment);
+    }
+
     private void showFragment(Fragment fragment) {
         getFragmentManager().beginTransaction()
                 .replace(R.id.rotary_content, fragment)
-- 
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