From 648c081b56449913aeeeeb6e8488fba063a3e335 Mon Sep 17 00:00:00 2001
From: Zhi Dou <zhidou@google.com>
Date: Thu, 22 Jun 2023 19:42:48 +0000
Subject: [PATCH] A simple app uses aconfig flag

Add a simple app uses aconfig.

This app can demonstrate

1. declare aconfig flag
2. build aconfig flag in building system
3. generate aconfig java flag
4. use aconfig java flag in java code

Test: atest AconfigDemo_ContentProvide_Test
Bug: 280833426
Change-Id: Ieacbe4b2368a00872254dab1c87dc66c569fc30a
---
 samples/AconfigDemo/Android.bp                | 42 +++++++++++++++++
 samples/AconfigDemo/AndroidManifest.xml       | 34 ++++++++++++++
 .../AconfigDemo/aconfig_demo_flags.aconfig    |  7 +++
 samples/AconfigDemo/res/layout/main.xml       | 32 +++++++++++++
 .../demo/activity/AconfigDemoActivity.java    | 45 +++++++++++++++++++
 .../demo/activity/ContentProvider.java        | 39 ++++++++++++++++
 samples/AconfigDemo/tests/Android.bp          | 15 +++++++
 samples/AconfigDemo/tests/AndroidManifest.xml | 32 +++++++++++++
 samples/AconfigDemo/tests/build.properties    |  1 +
 .../demo/activity/ContentProviderTests.java   | 17 +++++++
 10 files changed, 264 insertions(+)
 create mode 100644 samples/AconfigDemo/AndroidManifest.xml
 create mode 100644 samples/AconfigDemo/aconfig_demo_flags.aconfig
 create mode 100644 samples/AconfigDemo/res/layout/main.xml
 create mode 100644 samples/AconfigDemo/src/com/example/android/aconfig/demo/activity/AconfigDemoActivity.java
 create mode 100644 samples/AconfigDemo/src/com/example/android/aconfig/demo/activity/ContentProvider.java
 create mode 100644 samples/AconfigDemo/tests/Android.bp
 create mode 100644 samples/AconfigDemo/tests/AndroidManifest.xml
 create mode 100644 samples/AconfigDemo/tests/build.properties
 create mode 100644 samples/AconfigDemo/tests/src/com/example/android/aconfig/demo/activity/ContentProviderTests.java

diff --git a/samples/AconfigDemo/Android.bp b/samples/AconfigDemo/Android.bp
index 7dbf6b648..8bd0e75d3 100644
--- a/samples/AconfigDemo/Android.bp
+++ b/samples/AconfigDemo/Android.bp
@@ -1,3 +1,45 @@
 package {
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
+
+android_app {
+    name: "AconfigDemoActivity",
+    manifest: "AndroidManifest.xml",
+    srcs: ["src/com/example/android/aconfig/demo/activity/AconfigDemoActivity.java"],
+    certificate: "platform",
+    sdk_version: "current",
+    static_libs: [
+        "ContentProvider",
+    ],
+    optimize: {
+        enabled: true,
+        proguard_compatibility: false,
+        shrink: true,
+        optimize: false,
+        obfuscate: false,
+        shrink_resources: true,
+    },
+}
+
+aconfig_declarations {
+    name: "aconfig_demo_flags",
+    package: "com.example.android.aconfig.demo.activity",
+    srcs: ["aconfig_demo_flags.aconfig"],
+}
+
+
+java_aconfig_library {
+    name: "aconfig_demo_flags_lib",
+    aconfig_declarations: "aconfig_demo_flags",
+}
+
+java_library {
+    name: "ContentProvider",
+    srcs: [
+        "src/com/example/android/aconfig/demo/activity/ContentProvider.java",
+    ],
+    sdk_version: "current",
+    static_libs: [
+        "aconfig_demo_flags_lib",
+    ],
+}
diff --git a/samples/AconfigDemo/AndroidManifest.xml b/samples/AconfigDemo/AndroidManifest.xml
new file mode 100644
index 000000000..b2320b3f7
--- /dev/null
+++ b/samples/AconfigDemo/AndroidManifest.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2007 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.
+-->
+
+<!-- Declare the contents of this Android application.  The namespace
+     attribute brings in the Android platform namespace, and the package
+     supplies a unique name for the application.  When writing your
+     own application, the package name must be changed from "com.example.*"
+     to come from a domain that you own or have control over. -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.android.aconfig.demo.activity">
+    <uses-permission android:name="android.permission.READ_DEVICE_CONFIG" />
+    <application android:label="Hello!">
+        <activity android:name="AconfigDemoActivity"
+                android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/samples/AconfigDemo/aconfig_demo_flags.aconfig b/samples/AconfigDemo/aconfig_demo_flags.aconfig
new file mode 100644
index 000000000..ecf699329
--- /dev/null
+++ b/samples/AconfigDemo/aconfig_demo_flags.aconfig
@@ -0,0 +1,7 @@
+package: "com.example.android.aconfig.demo.activity"
+
+flag {
+    name: "append_content"
+    namespace: "aconfig_demo_ns"
+    description: "This flag is buildtime flag"
+}
diff --git a/samples/AconfigDemo/res/layout/main.xml b/samples/AconfigDemo/res/layout/main.xml
new file mode 100644
index 000000000..e54a53bd8
--- /dev/null
+++ b/samples/AconfigDemo/res/layout/main.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2007 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"
+    android:orientation="vertical"
+    android:padding="4dip"
+    android:gravity="center_horizontal"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent">
+    <TextView
+        android:id="@+id/simpleTextView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textColor="#444444"
+        android:textSize="25sp"
+        android:autoText="true"
+        android:capitalize="sentences"
+        android:textStyle="bold|italic"/>
+</LinearLayout>
diff --git a/samples/AconfigDemo/src/com/example/android/aconfig/demo/activity/AconfigDemoActivity.java b/samples/AconfigDemo/src/com/example/android/aconfig/demo/activity/AconfigDemoActivity.java
new file mode 100644
index 000000000..523380f8c
--- /dev/null
+++ b/samples/AconfigDemo/src/com/example/android/aconfig/demo/activity/AconfigDemoActivity.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2007 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.example.android.aconfig.demo.activity;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.TextView;
+import android.view.WindowManager;
+
+
+/**
+ * A minimal "Hello, World!" application.
+ */
+public class AconfigDemoActivity extends Activity {
+    /**
+     * Called with the activity is first created.
+     */
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.main);
+        TextView simpleTextView = (TextView) findViewById(R.id.simpleTextView);
+        simpleTextView.setText("Show Flags: \n\n");
+
+        ContentProvider cp = new ContentProvider();
+        simpleTextView.append(cp.getContent());
+    }
+}
+
diff --git a/samples/AconfigDemo/src/com/example/android/aconfig/demo/activity/ContentProvider.java b/samples/AconfigDemo/src/com/example/android/aconfig/demo/activity/ContentProvider.java
new file mode 100644
index 000000000..f6d2599a7
--- /dev/null
+++ b/samples/AconfigDemo/src/com/example/android/aconfig/demo/activity/ContentProvider.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2007 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.example.android.aconfig.demo.activity;
+
+/**
+ * A minimal "Hello, World!" application.
+ */
+public class ContentProvider {
+
+    public ContentProvider() {};
+
+    public String getContent() {
+
+        StringBuilder sBuffer = new StringBuilder();
+
+        if (Flags.appendContent()) {
+            sBuffer.append("The flag is ON!!\n");
+        } else {
+            sBuffer.append("The flag is OFF!!\n");
+        }
+
+        return sBuffer.toString();
+    }
+}
+
diff --git a/samples/AconfigDemo/tests/Android.bp b/samples/AconfigDemo/tests/Android.bp
new file mode 100644
index 000000000..12efabde1
--- /dev/null
+++ b/samples/AconfigDemo/tests/Android.bp
@@ -0,0 +1,15 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+android_test {
+    name: "AconfigDemo_ContentProvide_Test",
+    srcs: ["src/com/example/android/aconfig/demo/activity/ContentProviderTests.java"],
+    certificate: "platform",
+    static_libs: [
+        "ContentProvider",
+        "junit",
+        "androidx.test.runner",
+    ],
+    manifest: "AndroidManifest.xml",
+}
\ No newline at end of file
diff --git a/samples/AconfigDemo/tests/AndroidManifest.xml b/samples/AconfigDemo/tests/AndroidManifest.xml
new file mode 100644
index 000000000..fcc480e90
--- /dev/null
+++ b/samples/AconfigDemo/tests/AndroidManifest.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2008 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+      package="com.example.android.aconfig.demo.activity.tests">
+     <uses-permission android:name="android.permission.READ_DEVICE_CONFIG" />
+
+    <!-- We add an application tag here just so that we can indicate that
+         this package needs to link against the android.test library,
+         which is needed when building test cases. -->
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+     <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
+          android:targetPackage="com.example.android.aconfig.demo.activity.tests"
+          android:label="AconfigDemoActivity sample tests">
+     </instrumentation>
+</manifest>
diff --git a/samples/AconfigDemo/tests/build.properties b/samples/AconfigDemo/tests/build.properties
new file mode 100644
index 000000000..e0c39def1
--- /dev/null
+++ b/samples/AconfigDemo/tests/build.properties
@@ -0,0 +1 @@
+tested.project.dir=..
diff --git a/samples/AconfigDemo/tests/src/com/example/android/aconfig/demo/activity/ContentProviderTests.java b/samples/AconfigDemo/tests/src/com/example/android/aconfig/demo/activity/ContentProviderTests.java
new file mode 100644
index 000000000..8c9d6aac3
--- /dev/null
+++ b/samples/AconfigDemo/tests/src/com/example/android/aconfig/demo/activity/ContentProviderTests.java
@@ -0,0 +1,17 @@
+package com.example.android.aconfig.demo.activity;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+@RunWith(JUnit4.class)
+public final class ContentProviderTests {
+
+    @Test
+    public void testFlag() {
+        assertFalse(Flags.appendContent());
+    }
+}
\ No newline at end of file