Add test app for JobScheduler

Schedule either a delay/deadline task, or a task with
connectivity constraints
Change-Id: Ie7ea731d0f6673b680cef79f894cb609a61b795d

15 files changed, 615 insertions, 0 deletions

diff --git a/tests/JobSchedulerTestApp/Android.mk b/tests/JobSchedulerTestApp/Android.mk
new file mode 100644
index 0000000..7336d8c
--- /dev/null
+++ b/tests/JobSchedulerTestApp/Android.mk
@@ -0,0 +1,15 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
+
+LOCAL_PACKAGE_NAME := JobSchedulerTestApp
+
+LOCAL_PROGUARD_ENABLED := disabled
+
+include $(BUILD_PACKAGE)
+
diff --git a/tests/JobSchedulerTestApp/AndroidManifest.xml b/tests/JobSchedulerTestApp/AndroidManifest.xml
new file mode 100644
index 0000000..7431737
--- /dev/null
+++ b/tests/JobSchedulerTestApp/AndroidManifest.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.demo.jobSchedulerApp" >
+
+    <uses-sdk
+        android:minSdkVersion="18"
+        android:targetSdkVersion="18" />
+
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+
+    <application
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:name="com.android.demo.jobSchedulerApp.MainActivity"
+            android:label="@string/app_name"
+            android:windowSoftInputMode="stateHidden" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <service
+            android:name=".service.TestJobService"
+            android:exported="true"/>
+    </application>
+
+</manifest>
diff --git a/tests/JobSchedulerTestApp/res/drawable-hdpi/ic_launcher.png b/tests/JobSchedulerTestApp/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 0000000..a0f7005
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/drawable-hdpi/ic_launcher.png
diff --git a/tests/JobSchedulerTestApp/res/drawable-mdpi/ic_launcher.png b/tests/JobSchedulerTestApp/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 0000000..a085462
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/drawable-mdpi/ic_launcher.png
diff --git a/tests/JobSchedulerTestApp/res/drawable-xhdpi/ic_action_refresh.png b/tests/JobSchedulerTestApp/res/drawable-xhdpi/ic_action_refresh.png
new file mode 100644
index 0000000..4f5d255
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/drawable-xhdpi/ic_action_refresh.png
diff --git a/tests/JobSchedulerTestApp/res/drawable-xhdpi/ic_launcher.png b/tests/JobSchedulerTestApp/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..4f78eb8
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/drawable-xhdpi/ic_launcher.png
diff --git a/tests/JobSchedulerTestApp/res/drawable-xxhdpi/ic_launcher.png b/tests/JobSchedulerTestApp/res/drawable-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..b198ee3
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/drawable-xxhdpi/ic_launcher.png
diff --git a/tests/JobSchedulerTestApp/res/layout/activity_main.xml b/tests/JobSchedulerTestApp/res/layout/activity_main.xml
new file mode 100644
index 0000000..7f4961b
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/layout/activity_main.xml
@@ -0,0 +1,125 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical" >
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:orientation="vertical">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="100dp">
+            <TextView
+                android:id="@+id/onstart_textview"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:background="@color/none_received"
+                android:gravity="center"
+                android:text="@string/onstarttask"/>
+            <TextView
+                android:id="@+id/onstop_textview"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:background="@color/none_received"
+                android:gravity="center"
+                android:text="@string/onstoptask"/>
+        </LinearLayout>
+        <Button
+            android:id="@+id/finished_button"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:padding="20dp"
+            android:layout_marginBottom="5dp"
+            android:onClick="finishJob"
+            android:text="@string/finish_job_button_text"/>
+
+        <TextView
+            android:id="@+id/task_params"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/defaultparamtext"
+            android:gravity="center"
+            android:textSize="20dp"
+
+            android:padding="15dp"
+            android:layout_marginBottom="10dp" />
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/constraints"
+            android:textSize="18dp"/>
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:layout_marginLeft="10dp">
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/connectivity"
+                    android:layout_marginRight="10dp"/>
+                <RadioGroup
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:orientation="horizontal">
+                    <RadioButton android:id="@+id/checkbox_any"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/any"/>
+                    <RadioButton android:id="@+id/checkbox_unmetered"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/unmetered"/>
+                </RadioGroup>
+
+                </LinearLayout>
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/timing"/>
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginLeft="15dp"
+                    android:textSize="17dp"
+                    android:text="@string/delay"/>
+                <EditText
+                    android:id="@+id/delay_time"
+                    android:layout_width="60dp"
+                    android:layout_height="wrap_content"
+                    android:inputType="number"/>
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/deadline"
+                    android:textSize="17dp"/>
+                <EditText
+                    android:id="@+id/deadline_time"
+                    android:layout_width="60dp"
+                    android:layout_height="wrap_content"
+                    android:inputType="number"/>
+            </LinearLayout>
+
+            </LinearLayout>
+        <Button
+            android:id="@+id/schedule_button"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="40dp"
+            android:onClick="scheduleJob"
+            android:text="@string/schedule_job_button_text"/>
+    </LinearLayout>
+</LinearLayout>
diff --git a/tests/JobSchedulerTestApp/res/values-v11/styles.xml b/tests/JobSchedulerTestApp/res/values-v11/styles.xml
new file mode 100644
index 0000000..ff65301
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/values-v11/styles.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2013 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>
+
+    <!--
+        Base application theme for API 11+. This theme completely replaces
+        AppBaseTheme from res/values/styles.xml on API 11+ devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Holo.Light">
+        <!-- API 11 theme customizations can go here. -->
+    </style>
+
+</resources>
\ No newline at end of file
diff --git a/tests/JobSchedulerTestApp/res/values-v14/styles.xml b/tests/JobSchedulerTestApp/res/values-v14/styles.xml
new file mode 100644
index 0000000..a4a443a
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/values-v14/styles.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2013 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>
+
+    <!--
+        Base application theme for API 14+. This theme completely replaces
+        AppBaseTheme from BOTH res/values/styles.xml and
+        res/values-v11/styles.xml on API 14+ devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Holo.Light.DarkActionBar">
+        <!-- API 14 theme customizations can go here. -->
+    </style>
+
+</resources>
\ No newline at end of file
diff --git a/tests/JobSchedulerTestApp/res/values/color.xml b/tests/JobSchedulerTestApp/res/values/color.xml
new file mode 100644
index 0000000..7bd3a91
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/values/color.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2014 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>
+    <color name="none_received">#999999</color>
+    <color name="start_received">#00FF00</color>
+    <color name="stop_received">#FF0000</color>
+</resources>
\ No newline at end of file
diff --git a/tests/JobSchedulerTestApp/res/values/strings.xml b/tests/JobSchedulerTestApp/res/values/strings.xml
new file mode 100644
index 0000000..824d4b1
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/values/strings.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2013 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="onstoptask">onStopTask</string>
+    <string name="onstarttask">onStartTask</string>
+    <string name="defaultparamtext">task params will show up here.</string>
+    <string name="schedule_job_button_text">Schedule Job</string>
+    <string name="app_name">Job Scheduler Test</string>
+    <string name="finish_job_button_text">taskFinished</string>
+    <string name="manual_sync_text">Manual Sync</string>
+    <string name="constraints">Constraints</string>
+    <string name="connectivity">Connectivity:</string>
+    <string name="any">Any</string>
+    <string name="unmetered">WiFi</string>
+    <string name="timing">Timing:</string>
+    <string name="delay">Delay:</string>
+    <string name="deadline">Deadline:</string>
+</resources>
diff --git a/tests/JobSchedulerTestApp/res/values/styles.xml b/tests/JobSchedulerTestApp/res/values/styles.xml
new file mode 100644
index 0000000..43a8f2b
--- /dev/null
+++ b/tests/JobSchedulerTestApp/res/values/styles.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2013 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>
+
+    <!--
+        Base application theme, dependent on API level. This theme is replaced
+        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Light">
+        <!--
+            Theme customizations available in newer API levels can go in
+            res/values-vXX/styles.xml, while customizations related to
+            backward-compatibility can go here.
+        -->
+    </style>
+
+    <!-- Application theme. -->
+    <style name="AppTheme" parent="AppBaseTheme">
+        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
+    </style>
+
+</resources>
\ No newline at end of file
diff --git a/tests/JobSchedulerTestApp/src/com/android/demo/jobSchedulerApp/MainActivity.java b/tests/JobSchedulerTestApp/src/com/android/demo/jobSchedulerApp/MainActivity.java
new file mode 100644
index 0000000..393c594
--- /dev/null
+++ b/tests/JobSchedulerTestApp/src/com/android/demo/jobSchedulerApp/MainActivity.java
@@ -0,0 +1,169 @@
+/*
+ * Copyright 2013 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.demo.jobSchedulerApp;
+
+import android.app.Activity;
+import android.app.task.Task;
+import android.app.task.TaskParams;
+import android.content.ComponentName;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
+import android.os.Messenger;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.RadioButton;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.android.demo.jobSchedulerApp.service.TestJobService;
+
+public class MainActivity extends Activity {
+
+    private static final String TAG = "MainActivity";
+
+    public static final int MSG_UNCOLOUR_START = 0;
+    public static final int MSG_UNCOLOUR_STOP = 1;
+    public static final int MSG_SERVICE_OBJ = 2;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Resources res = getResources();
+        defaultColor = res.getColor(R.color.none_received);
+        startJobColor = res.getColor(R.color.start_received);
+        stopJobColor = res.getColor(R.color.stop_received);
+
+        // Set up UI.
+        mShowStartView = (TextView) findViewById(R.id.onstart_textview);
+        mShowStopView = (TextView) findViewById(R.id.onstop_textview);
+        mParamsTextView = (TextView) findViewById(R.id.task_params);
+        mDelayEditText = (EditText) findViewById(R.id.delay_time);
+        mDeadlineEditText = (EditText) findViewById(R.id.deadline_time);
+        mWiFiConnectivityRadioButton = (RadioButton) findViewById(R.id.checkbox_unmetered);
+        mAnyConnectivityRadioButton = (RadioButton) findViewById(R.id.checkbox_any);
+
+        mServiceComponent = new ComponentName(this, TestJobService.class);
+        // Start service and provide it a way to communicate with us.
+        Intent startServiceIntent = new Intent(this, TestJobService.class);
+        startServiceIntent.putExtra("messenger", new Messenger(mHandler));
+        startService(startServiceIntent);
+    }
+    // UI fields.
+    int defaultColor;
+    int startJobColor;
+    int stopJobColor;
+
+    TextView mShowStartView;
+    TextView mShowStopView;
+    TextView mParamsTextView;
+    EditText mDelayEditText;
+    EditText mDeadlineEditText;
+    RadioButton mWiFiConnectivityRadioButton;
+    RadioButton mAnyConnectivityRadioButton;
+    ComponentName mServiceComponent;
+    /** Service object to interact scheduled tasks. */
+    TestJobService mTestService;
+
+    private static int kTaskId = 0;
+
+    Handler mHandler = new Handler(/* default looper */) {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case MSG_UNCOLOUR_START:
+                    mShowStartView.setBackgroundColor(defaultColor);
+                    break;
+                case MSG_UNCOLOUR_STOP:
+                    mShowStopView.setBackgroundColor(defaultColor);
+                    break;
+                case MSG_SERVICE_OBJ:
+                    mTestService = (TestJobService) msg.obj;
+                    mTestService.setUiCallback(MainActivity.this);
+            }
+        }
+    };
+
+    private boolean ensureTestService() {
+        if (mTestService == null) {
+            Toast.makeText(MainActivity.this, "Service null, never got callback?",
+                    Toast.LENGTH_SHORT).show();
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * UI onclick listener to schedule a task. What this task is is defined in
+     * TestJobService#scheduleJob()
+     */
+    public void scheduleJob(View v) {
+        if (!ensureTestService()) {
+            return;
+        }
+
+        Task.Builder builder = new Task.Builder(kTaskId++, mServiceComponent);
+
+        String delay = mDelayEditText.getText().toString();
+        if (delay != null && !TextUtils.isEmpty(delay)) {
+            builder.setMinimumLatency(Long.valueOf(delay));
+        }
+        String deadline = mDeadlineEditText.getText().toString();
+        if (deadline != null && !TextUtils.isEmpty(deadline)) {
+            builder.setOverrideDeadline(Long.valueOf(deadline));
+        }
+        boolean requiresUnmetered = mWiFiConnectivityRadioButton.isSelected();
+        boolean requiresAnyConnectivity = mAnyConnectivityRadioButton.isSelected();
+        if (requiresUnmetered) {
+            builder.setRequiredNetworkCapabilities(Task.NetworkType.UNMETERED);
+        } else if (requiresAnyConnectivity) {
+            builder.setRequiredNetworkCapabilities(Task.NetworkType.ANY);
+        }
+
+        mTestService.scheduleJob(builder.build());
+
+    }
+
+    /**
+     * UI onclick listener to call taskFinished() in our service.
+     */
+    public void finishJob(View v) {
+        if (!ensureTestService()) {
+            return;
+        }
+        mTestService.callTaskFinished();
+        mParamsTextView.setText("");
+    }
+
+    public void onReceivedStartTask(TaskParams params) {
+        mShowStartView.setBackgroundColor(startJobColor);
+        Message m = Message.obtain(mHandler, MSG_UNCOLOUR_START);
+        mHandler.sendMessageDelayed(m, 1000L); // uncolour in 1 second.
+        mParamsTextView.setText("Executing: " + params.getTaskId() + " " + params.getExtras());
+    }
+
+    public void onReceivedStopTask() {
+        mShowStopView.setBackgroundColor(stopJobColor);
+        Message m = Message.obtain(mHandler, MSG_UNCOLOUR_STOP);
+        mHandler.sendMessageDelayed(m, 2000L); // uncolour in 1 second.
+        mParamsTextView.setText("");
+    }
+}
diff --git a/tests/JobSchedulerTestApp/src/com/android/demo/jobSchedulerApp/service/TestJobService.java b/tests/JobSchedulerTestApp/src/com/android/demo/jobSchedulerApp/service/TestJobService.java
new file mode 100644
index 0000000..7dd3cf1
--- /dev/null
+++ b/tests/JobSchedulerTestApp/src/com/android/demo/jobSchedulerApp/service/TestJobService.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2013 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.
+ */
+
+package com.android.demo.jobSchedulerApp.service;
+
+import android.app.Service;
+import android.app.task.Task;
+import android.app.task.TaskManager;
+import android.app.task.TaskParams;
+import android.app.task.TaskService;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Binder;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.PersistableBundle;
+import android.os.RemoteException;
+import android.util.Log;
+
+import com.android.demo.jobSchedulerApp.MainActivity;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+
+
+/**
+ * Service to handle sync requests.
+ * <p>
+ * This service is invoked in response to Intents with action android.content.SyncAdapter, and
+ * returns a Binder connection to SyncAdapter.
+ * <p>
+ * For performance, only one sync adapter will be initialized within this application's context.
+ * <p>
+ * Note: The SyncService itself is not notified when a new sync occurs. It's role is to manage the
+ * lifecycle of our and provide a handle to said SyncAdapter to the OS on
+ * request.
+ */
+public class TestJobService extends TaskService {
+    private static final String TAG = "SyncService";
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        Log.i(TAG, "Service created");
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        Log.i(TAG, "Service destroyed");
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        Messenger callback = intent.getParcelableExtra("messenger");
+        Message m = Message.obtain();
+        m.what = MainActivity.MSG_SERVICE_OBJ;
+        m.obj = this;
+        try {
+            callback.send(m);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error passing service object back to activity.");
+        }
+        return START_NOT_STICKY;
+    }
+
+    @Override
+    public boolean onStartTask(TaskParams params) {
+        taskParamsMap.add(params);
+        if (mActivity != null) {
+            mActivity.onReceivedStartTask(params);
+        }
+        Log.i(TAG, "on start task: " + params.getTaskId());
+        return true;
+    }
+
+    @Override
+    public boolean onStopTask(TaskParams params) {
+        taskParamsMap.remove(params);
+        mActivity.onReceivedStopTask();
+        Log.i(TAG, "on stop task: " + params.getTaskId());
+        return true;
+    }
+
+    MainActivity mActivity;
+    private final LinkedList<TaskParams> taskParamsMap = new LinkedList<TaskParams>();
+
+    public void setUiCallback(MainActivity activity) {
+        mActivity = activity;
+    }
+
+    /** Send job to the JobScheduler. */
+    public void scheduleJob(Task t) {
+        Log.d(TAG, "Scheduling job");
+        TaskManager tm =
+                (TaskManager) getSystemService(Context.TASK_SERVICE);
+        tm.schedule(t);
+    }
+
+    public boolean callTaskFinished() {
+        TaskParams params = taskParamsMap.poll();
+        if (params == null) {
+            return false;
+        } else {
+            taskFinished(params, false);
+            return true;
+        }
+    }
+
+}