Add a basic presubmit test for the Android Starlark rules.

PiperOrigin-RevId: 431042952
Change-Id: I1e70ac4624f017d852d922c690927f049fd1e634
diff --git a/examples/basicapp/WORKSPACE b/examples/basicapp/WORKSPACE
new file mode 100644
index 0000000..12ed5b3
--- /dev/null
+++ b/examples/basicapp/WORKSPACE
@@ -0,0 +1,39 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+android_sdk_repository(
+    name = "androidsdk",
+)
+
+android_ndk_repository(
+    name = "androidndk",
+)
+
+http_archive(
+    name = "rules_jvm_external",
+    strip_prefix = "rules_jvm_external-fa73b1a8e4846cee88240d0019b8f80d39feb1c3",
+    sha256 = "7e13e48b50f9505e8a99cc5a16c557cbe826e9b68d733050cd1e318d69f94bb5",
+    url = "https://github.com/bazelbuild/rules_jvm_external/archive/fa73b1a8e4846cee88240d0019b8f80d39feb1c3.zip",
+)
+
+http_archive(
+    name = "bazel_skylib",
+    urls = [
+        "https://github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
+        "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.0.3/bazel-skylib-1.0.3.tar.gz",
+    ],
+    sha256 = "1c531376ac7e5a180e0237938a2536de0c54d93f5c278634818e0efc952dd56c",
+)
+load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
+bazel_skylib_workspace()
+
+local_repository(
+    name = "rules_android",
+    path = "../..", # rules_android's WORKSPACE relative to this inner workspace
+)
+load("@rules_android//:defs.bzl", "rules_android_workspace")
+rules_android_workspace()
+register_toolchains(
+    "@rules_android//toolchains/android:android_default_toolchain",
+    "@rules_android//toolchains/android_sdk:android_sdk_tools",
+)
+
diff --git a/examples/basicapp/java/com/basicapp/AndroidManifest.xml b/examples/basicapp/java/com/basicapp/AndroidManifest.xml
new file mode 100644
index 0000000..d9b0640
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/AndroidManifest.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.basic" >
+
+    <uses-sdk
+        android:minSdkVersion="18"
+        android:targetSdkVersion="30" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name" >
+        <activity
+            android:name="com.basicapp.BasicActivity"
+            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/examples/basicapp/java/com/basicapp/BUILD b/examples/basicapp/java/com/basicapp/BUILD
new file mode 100644
index 0000000..adcb05b
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/BUILD
@@ -0,0 +1,14 @@
+load("@rules_android//rules:rules.bzl", "android_binary", "android_library")
+
+android_binary(
+    name = "basic_app",
+    manifest = "AndroidManifest.xml",
+    deps = [":basic_lib"],
+)
+
+android_library(
+    name = "basic_lib",
+    srcs = ["BasicActivity.java"],
+    manifest = "AndroidManifest.xml",
+    resource_files = glob(["res/**"]),
+)
diff --git a/examples/basicapp/java/com/basicapp/BasicActivity.java b/examples/basicapp/java/com/basicapp/BasicActivity.java
new file mode 100644
index 0000000..14042be
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/BasicActivity.java
@@ -0,0 +1,40 @@
+// Copyright 2022 The Bazel Authors. All rights reserved.
+//
+// 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.basicapp;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.view.Menu;
+import android.widget.TextView;
+
+
+/**
+ * The main activity of the Basic Sample App.
+ */
+public class BasicActivity extends Activity {
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.basic_activity);
+  }
+
+  @Override
+  public boolean onCreateOptionsMenu(Menu menu) {
+    // Inflate the menu; this adds items to the action bar if it is present.
+    getMenuInflater().inflate(R.menu.menu, menu);
+    return true;
+  }
+}
diff --git a/examples/basicapp/java/com/basicapp/res/drawable-hdpi/ic_launcher.png b/examples/basicapp/java/com/basicapp/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 0000000..6ab2add
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/res/drawable-hdpi/ic_launcher.png
Binary files differ
diff --git a/examples/basicapp/java/com/basicapp/res/drawable-mdpi/ic_launcher.png b/examples/basicapp/java/com/basicapp/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 0000000..c0a73c3
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/res/drawable-mdpi/ic_launcher.png
Binary files differ
diff --git a/examples/basicapp/java/com/basicapp/res/drawable-xhdpi/ic_launcher.png b/examples/basicapp/java/com/basicapp/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..014b0f1
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/res/drawable-xhdpi/ic_launcher.png
Binary files differ
diff --git a/examples/basicapp/java/com/basicapp/res/drawable-xxhdpi/ic_launcher.png b/examples/basicapp/java/com/basicapp/res/drawable-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..20703a1
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/res/drawable-xxhdpi/ic_launcher.png
Binary files differ
diff --git a/examples/basicapp/java/com/basicapp/res/layout/basic_activity.xml b/examples/basicapp/java/com/basicapp/res/layout/basic_activity.xml
new file mode 100644
index 0000000..61fb73e
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/res/layout/basic_activity.xml
@@ -0,0 +1,12 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent"
+              android:orientation="vertical" >
+
+    <TextView
+        android:id="@+id/text_hello"
+        android:text="@string/hello_world"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>
diff --git a/examples/basicapp/java/com/basicapp/res/menu/menu.xml b/examples/basicapp/java/com/basicapp/res/menu/menu.xml
new file mode 100644
index 0000000..a56bed6
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/res/menu/menu.xml
@@ -0,0 +1,8 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:context="com.basicapp.BasicActivity" >
+    <item android:id="@+id/action_settings"
+        android:title="@string/action_settings"
+        android:orderInCategory="100" />
+</menu>
diff --git a/examples/basicapp/java/com/basicapp/res/values/dimens.xml b/examples/basicapp/java/com/basicapp/res/values/dimens.xml
new file mode 100644
index 0000000..47c8224
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/res/values/dimens.xml
@@ -0,0 +1,5 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>
diff --git a/examples/basicapp/java/com/basicapp/res/values/strings.xml b/examples/basicapp/java/com/basicapp/res/values/strings.xml
new file mode 100644
index 0000000..565c987
--- /dev/null
+++ b/examples/basicapp/java/com/basicapp/res/values/strings.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="app_name" translatable="false">basicapp</string>
+    <string name="hello_world" translatable="false">Hello world!</string>
+    <string name="action_settings" translatable="false">Settings</string>
+
+</resources>