Add an example to demo custom FocusArea

Bug: 155698037
Test: manual
Change-Id: I4bf0648d66da4804e9d67c8f98accd92f65cbd41

2 files changed, 49 insertions, 0 deletions

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)