Multi packages per APK sample

This is a sample that shows how to declare multi packages per APK.
The feature is currently supported only for privileged apps or updates
to such apps. The sample declares three activities wihch on old
platforms are in the parent package but on devices running API 24 two
of the activities are disabled in the parent and moved to the first
and second child packages respectively.

Change-Id: I673d9c455b3c8543091e83e8d37e35c4af1067d7

14 files changed, 344 insertions, 0 deletions

diff --git a/MultiPackageApk/Android.mk b/MultiPackageApk/Android.mk
new file mode 100644
index 0000000..91a1f5b
--- /dev/null
+++ b/MultiPackageApk/Android.mk
@@ -0,0 +1,13 @@
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+
+LOCAL_PACKAGE_NAME := MultiPackageApk
+
+LOCAL_PRIVILEGED_MODULE := true
+
+include $(BUILD_PACKAGE)
diff --git a/MultiPackageApk/AndroidManifest.xml b/MultiPackageApk/AndroidManifest.xml
new file mode 100644
index 0000000..48116e2
--- /dev/null
+++ b/MultiPackageApk/AndroidManifest.xml
@@ -0,0 +1,122 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+ * Copyright (c) 2016 Google Inc.
+ *
+ * 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="foo.bar.multi.parent"
+    android:versionCode="100"
+    android:versionName="100.0">
+
+    <uses-sdk android:minSdkVersion="19" android:targetSdkVersion="23"/>
+
+    <uses-permission android:name="android.permission.READ_CONTACTS" />
+    <uses-permission android:name="android.permission.READ_CALENDAR" />
+
+    <application
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/parent_name"
+        android:allowBackup="false">
+
+        <!-- Always in foo.bar.multi.parent. -->
+        <activity
+                android:name="foo.bar.multi.FirstActivity"
+                android:label="@string/first_activity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <!-- In foo.bar.multi.parent up to API 23. From API 24 in foo.bar.multi.child1. -->
+        <activity
+                android:name="foo.bar.multi.SecondActivity"
+                android:label="@string/second_activity"
+                android:enabled="@bool/second_activity_enabled">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <!-- In foo.bar.multi.parent up to API 23. From API 24 in foo.bar.multi.child2. -->
+        <activity
+                android:name="foo.bar.multi.ThirdActivity"
+                android:label="@string/third_activity"
+                android:enabled="@bool/third_activity_enabled">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+                <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+    </application>
+
+    <package
+        package="foo.bar.multi.child1">
+
+        <uses-permission android:name="android.permission.READ_CONTACTS" />
+        <uses-permission android:name="android.permission.READ_CALENDAR" />
+
+        <application
+                android:icon="@drawable/ic_launcher"
+                android:label="@string/first_child"
+                android:allowBackup="false">
+
+            <activity
+                    android:name="foo.bar.multi.SecondActivity"
+                    android:label="@string/second_activity" >
+                <intent-filter>
+                    <action android:name="android.intent.action.MAIN" />
+                    <category android:name="android.intent.category.LAUNCHER" />
+                    <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+                </intent-filter>
+            </activity>
+
+        </application>
+
+    </package>
+
+    <package
+        package="foo.bar.multi.child2">
+
+        <uses-permission android:name="android.permission.READ_CONTACTS" />
+        <uses-permission android:name="android.permission.READ_CALENDAR" />
+
+        <application
+                android:icon="@drawable/ic_launcher"
+                android:label="@string/second_child"
+                android:allowBackup="false">
+
+            <activity
+                    android:name="foo.bar.multi.ThirdActivity"
+                    android:label="@string/third_activity" >
+                <intent-filter>
+                    <action android:name="android.intent.action.MAIN" />
+                    <category android:name="android.intent.category.LAUNCHER" />
+                    <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
+                </intent-filter>
+            </activity>
+
+        </application>
+
+    </package>
+
+</manifest>
diff --git a/MultiPackageApk/res/drawable-hdpi/ic_launcher.png b/MultiPackageApk/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 0000000..a301d57
--- /dev/null
+++ b/MultiPackageApk/res/drawable-hdpi/ic_launcher.png
diff --git a/MultiPackageApk/res/drawable-ldpi/ic_launcher.png b/MultiPackageApk/res/drawable-ldpi/ic_launcher.png
new file mode 100644
index 0000000..2c2a58b
--- /dev/null
+++ b/MultiPackageApk/res/drawable-ldpi/ic_launcher.png
diff --git a/MultiPackageApk/res/drawable-mdpi/ic_launcher.png b/MultiPackageApk/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 0000000..f91f736
--- /dev/null
+++ b/MultiPackageApk/res/drawable-mdpi/ic_launcher.png
diff --git a/MultiPackageApk/res/drawable-xhdpi/ic_launcher.png b/MultiPackageApk/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..96095ec
--- /dev/null
+++ b/MultiPackageApk/res/drawable-xhdpi/ic_launcher.png
diff --git a/MultiPackageApk/res/layout/my_activity.xml b/MultiPackageApk/res/layout/my_activity.xml
new file mode 100644
index 0000000..88bdcb3
--- /dev/null
+++ b/MultiPackageApk/res/layout/my_activity.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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:tools="http://schemas.android.com/tools"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    tools:context=".MyActivity"
+    android:orientation="vertical" >
+
+    <TextView
+        android:id="@+id/text"
+        android:layout_height="wrap_content"
+        android:layout_width="wrap_content"
+        android:layout_gravity="center"
+        android:textAppearance="@android:style/TextAppearance.Material.Medium">
+    </TextView>
+
+</LinearLayout>
diff --git a/MultiPackageApk/res/values-v24/consts.xml b/MultiPackageApk/res/values-v24/consts.xml
new file mode 100644
index 0000000..7b31875
--- /dev/null
+++ b/MultiPackageApk/res/values-v24/consts.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+
+<resources>
+    <bool name="second_activity_enabled">false</bool>
+    <bool name="third_activity_enabled">false</bool>
+</resources>
diff --git a/MultiPackageApk/res/values/consts.xml b/MultiPackageApk/res/values/consts.xml
new file mode 100644
index 0000000..051c17b
--- /dev/null
+++ b/MultiPackageApk/res/values/consts.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+
+<resources>
+    <bool name="second_activity_enabled">true</bool>
+    <bool name="third_activity_enabled">true</bool>
+</resources>
\ No newline at end of file
diff --git a/MultiPackageApk/res/values/strings.xml b/MultiPackageApk/res/values/strings.xml
new file mode 100644
index 0000000..7d7ee21
--- /dev/null
+++ b/MultiPackageApk/res/values/strings.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+
+<resources>
+
+    <string name="parent_name">Parent</string>
+    <string name="first_child">First child</string>
+    <string name="second_child">Second child</string>
+    <string name="first_activity">First activity</string>
+    <string name="second_activity">Second activity</string>
+    <string name="third_activity">Third activity</string>
+
+</resources>
diff --git a/MultiPackageApk/src/foo/bar/multi/FirstActivity.java b/MultiPackageApk/src/foo/bar/multi/FirstActivity.java
new file mode 100644
index 0000000..14b04c8
--- /dev/null
+++ b/MultiPackageApk/src/foo/bar/multi/FirstActivity.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2016 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 foo.bar.multi;
+
+public class FirstActivity extends MyActivity {
+
+}
diff --git a/MultiPackageApk/src/foo/bar/multi/MyActivity.java b/MultiPackageApk/src/foo/bar/multi/MyActivity.java
new file mode 100644
index 0000000..23747f9
--- /dev/null
+++ b/MultiPackageApk/src/foo/bar/multi/MyActivity.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2016 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 foo.bar.multi;
+
+import android.app.Activity;
+import android.app.ActivityManager;
+import android.os.Bundle;
+import android.os.Process;
+import android.widget.TextView;
+import foo.bar.multi.parent.R;
+
+import java.util.List;
+
+public class MyActivity extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.my_activity);
+
+        String processName = null;
+        ActivityManager activityManager = getSystemService(ActivityManager.class);
+        List<ActivityManager.RunningAppProcessInfo> runningProcesses = activityManager.getRunningAppProcesses();
+        for (ActivityManager.RunningAppProcessInfo runningProcess : runningProcesses) {
+            if (runningProcess.uid == Process.myUid()) {
+                processName = runningProcess.processName;
+                break;
+            }
+        }
+
+        TextView title = (TextView) findViewById(foo.bar.multi.parent.R.id.text);
+        title.setText("Process: " + processName);
+    }
+}
diff --git a/MultiPackageApk/src/foo/bar/multi/SecondActivity.java b/MultiPackageApk/src/foo/bar/multi/SecondActivity.java
new file mode 100644
index 0000000..8c67f71
--- /dev/null
+++ b/MultiPackageApk/src/foo/bar/multi/SecondActivity.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2016 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 foo.bar.multi;
+
+public class SecondActivity extends MyActivity {
+
+}
diff --git a/MultiPackageApk/src/foo/bar/multi/ThirdActivity.java b/MultiPackageApk/src/foo/bar/multi/ThirdActivity.java
new file mode 100644
index 0000000..75a04aa
--- /dev/null
+++ b/MultiPackageApk/src/foo/bar/multi/ThirdActivity.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2016 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 foo.bar.multi;
+
+public class ThirdActivity extends MyActivity {
+
+}