Merge "Add foreground service test code" into rvc-dev am: 8f9b6d05bc

Change-Id: I3a2713e78d67c1267bc3b77fe458bdc0658b72a6

9 files changed, 209 insertions, 4 deletions

diff --git a/TestMediaApp/Android.bp b/TestMediaApp/Android.bp
index 5ce6240..a2e80e2 100644
--- a/TestMediaApp/Android.bp
+++ b/TestMediaApp/Android.bp
@@ -30,7 +30,7 @@ android_app {
     // Do NOT add dependencies preventing the app from being unbundled (compiled with gradle in Studio).
     static_libs: [
         "androidx.appcompat_appcompat",
-	"androidx-constraintlayout_constraintlayout",
+        "androidx-constraintlayout_constraintlayout",
         "androidx.preference_preference",
         "androidx.legacy_legacy-support-v4",
     ],
diff --git a/TestMediaApp/AndroidManifest.xml b/TestMediaApp/AndroidManifest.xml
index 911145e..3f27c5b 100644
--- a/TestMediaApp/AndroidManifest.xml
+++ b/TestMediaApp/AndroidManifest.xml
@@ -20,7 +20,8 @@
     <uses-feature
         android:name="android.hardware.type.automotive"
         android:required="true"/>
-
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
 
     <application
         android:allowBackup="true"
@@ -45,6 +46,13 @@
             </intent-filter>
         </service>
 
+        <service android:name=".TmaForegroundService"
+                 android:icon="@drawable/ic_app_icon"
+                 android:exported="false"
+                 android:foregroundServiceType="location"
+                 android:label="@string/app_name">
+        </service>
+
         <service
             android:name=".TmaBrowser2"
             android:icon="@mipmap/ic_launcher"
diff --git a/TestMediaApp/assets/media_items/advanced.json b/TestMediaApp/assets/media_items/advanced.json
index 45a18ef..9266a1c 100644
--- a/TestMediaApp/assets/media_items/advanced.json
+++ b/TestMediaApp/assets/media_items/advanced.json
@@ -54,6 +54,16 @@
         "DISPLAY_TITLE": "Exceptions"
       },
       "INCLUDE":"media_items/exceptions.json"
+    },
+    {
+      "FLAGS": "playable",
+      "METADATA": {
+        "MEDIA_ID": "location",
+        "DISPLAY_TITLE": "Location",
+        "DURATION": 10000,
+        "ART_URI": "drawable/ic_location"
+      },
+      "CUSTOM_ACTIONS": ["REQUEST_LOCATION"]
     }
   ]
 }
\ No newline at end of file
diff --git a/TestMediaApp/res/drawable/ic_location.xml b/TestMediaApp/res/drawable/ic_location.xml
new file mode 100644
index 0000000..1017cbc
--- /dev/null
+++ b/TestMediaApp/res/drawable/ic_location.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M12,2C8.13,2 5,5.13 5,9c0,5.25 7,13 7,13s7,-7.75 7,-13c0,-3.87 -3.13,-7 -7,-7zM12,11.5c-1.38,0 -2.5,-1.12 -2.5,-2.5s1.12,-2.5 2.5,-2.5 2.5,1.12 2.5,2.5 -1.12,2.5 -2.5,2.5z"/>
+</vector>
diff --git a/TestMediaApp/res/values/strings.xml b/TestMediaApp/res/values/strings.xml
index ac621be..1ffd39c 100644
--- a/TestMediaApp/res/values/strings.xml
+++ b/TestMediaApp/res/values/strings.xml
@@ -31,4 +31,5 @@
 
     <string name="heart_less_less" translatable="false">Heart--</string>
 
+    <string name="location" translatable="false">Location</string>
 </resources>
diff --git a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaForegroundService.java b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaForegroundService.java
new file mode 100644
index 0000000..6241455
--- /dev/null
+++ b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaForegroundService.java
@@ -0,0 +1,144 @@
+/*
+ * 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.media.testmediaapp;
+
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.Service;
+import android.content.Intent;
+import android.location.Location;
+import android.location.LocationListener;
+import android.location.LocationManager;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.widget.Toast;
+
+import androidx.annotation.Nullable;
+import androidx.core.app.NotificationCompat;
+
+import com.android.car.media.testmediaapp.prefs.TmaPrefsActivity;
+
+/**
+ * Service used to test and demonstrate the access to "foreground" permissions. In particular, this
+ * implementation deals with location access from a headless service. This service is initiated
+ * using {@link Service#startService(Intent)} from the browse service as a respond to a custom
+ * playback command. Subsequent start commands make the service toggle between running and stopping.
+ *
+ * In real applications, this service would be handling background playback, maybe using location
+ * and other sensors to automatically select songs.
+ */
+public class TmaForegroundService extends Service {
+    public static final String CHANNEL_ID = "ForegroundServiceChannel";
+    private LocationManager mLocationManager;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        if (doWork()) {
+            createNotificationChannel();
+            Intent notificationIntent = new Intent(this, TmaPrefsActivity.class);
+            PendingIntent pendingIntent = PendingIntent.getActivity(this,
+                    0, notificationIntent, 0);
+            Notification notification = new NotificationCompat.Builder(this, CHANNEL_ID)
+                    .setContentTitle("Foreground Service")
+                    .setSmallIcon(R.drawable.ic_app_icon)
+                    .setContentIntent(pendingIntent)
+                    .build();
+            startForeground(1, notification);
+        } else {
+            getMainExecutor().execute(this::stopSelf);
+        }
+
+        return START_NOT_STICKY;
+    }
+
+    @Override
+    public void onDestroy() {
+        if (mLocationManager != null) {
+            mLocationManager.removeUpdates(mLocationListener);
+            toast("Location is off");
+        }
+        super.onDestroy();
+    }
+
+    @Nullable
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+
+    private void createNotificationChannel() {
+        NotificationChannel serviceChannel = new NotificationChannel(
+                CHANNEL_ID,
+                "Foreground Service Channel",
+                NotificationManager.IMPORTANCE_DEFAULT
+        );
+        NotificationManager manager = getSystemService(NotificationManager.class);
+        manager.createNotificationChannel(serviceChannel);
+    }
+
+    private boolean doWork() {
+        if (mLocationManager != null) {
+            return false;
+        }
+        mLocationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
+        try {
+            mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 2000,
+                    0, mLocationListener);
+            toast("Location is on");
+        } catch (Throwable e) {
+            toast("Unable to get location: " + e.getMessage());
+        }
+        return true;
+    }
+
+    /**
+     * We use toasts here as it is the only way for a headless service to show something on the
+     * screen. Real application shouldn't be using toasts from service.
+     */
+    private void toast(String message) {
+        Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
+    }
+
+    private final LocationListener mLocationListener = new LocationListener() {
+        @Override
+        public void onLocationChanged(Location location) {
+            toast("Location provider: " + location.getLatitude() + ":" + location.getLongitude());
+        }
+
+        @Override
+        public void onStatusChanged(String provider, int status, Bundle extras) {
+            toast("Location provider: " + provider + " status changed to: " + status);
+        }
+
+        @Override
+        public void onProviderEnabled(String provider) {
+            toast("Location provider enabled: " + provider);
+        }
+
+        @Override
+        public void onProviderDisabled(String provider) {
+            toast("Location provider disabled: " + provider);
+        }
+    };
+}
diff --git a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaMediaItem.java b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaMediaItem.java
index 129e267..e2cb533 100644
--- a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaMediaItem.java
+++ b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaMediaItem.java
@@ -55,7 +55,9 @@ public class TmaMediaItem {
         HEART_PLUS_PLUS(CUSTOM_ACTION_PREFIX + "heart_plus_plus", R.string.heart_plus_plus,
                 R.drawable.ic_heart_plus_plus),
         HEART_LESS_LESS(CUSTOM_ACTION_PREFIX + "heart_less_less", R.string.heart_less_less,
-                R.drawable.ic_heart_less_less);
+                R.drawable.ic_heart_less_less),
+        REQUEST_LOCATION(CUSTOM_ACTION_PREFIX + "location", R.string.location,
+                R.drawable.ic_location);
 
         final String mId;
         final int mNameId;
diff --git a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaPlayer.java b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaPlayer.java
index d8fab6c..65cc787 100644
--- a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaPlayer.java
+++ b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaPlayer.java
@@ -30,6 +30,7 @@ import static android.support.v4.media.session.PlaybackStateCompat.ERROR_CODE_AP
 import static android.support.v4.media.session.PlaybackStateCompat.STATE_ERROR;
 
 import androidx.annotation.Nullable;
+
 import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
@@ -77,7 +78,6 @@ public class TmaPlayer extends MediaSessionCompat.Callback {
     private TmaMediaItem mActiveItem;
     private int mNextEventIndex = -1;
 
-
     TmaPlayer(Context context, TmaLibrary library, AudioManager audioManager, Handler handler,
             MediaSessionCompat session) {
         mContext = context;
@@ -248,6 +248,8 @@ public class TmaPlayer extends MediaSessionCompat.Callback {
             } else if (TmaCustomAction.HEART_LESS_LESS.mId.equals(action)) {
                 mActiveItem.mHearts--;
                 toast("" + mActiveItem.mHearts);
+            } else if (TmaCustomAction.REQUEST_LOCATION.mId.equals(action)) {
+                mContext.startService(new Intent(mContext, TmaForegroundService.class));
             }
         }
     }
diff --git a/TestMediaApp/src/com/android/car/media/testmediaapp/prefs/TmaPrefsFragment.java b/TestMediaApp/src/com/android/car/media/testmediaapp/prefs/TmaPrefsFragment.java
index 066cc9c..d3e681e 100644
--- a/TestMediaApp/src/com/android/car/media/testmediaapp/prefs/TmaPrefsFragment.java
+++ b/TestMediaApp/src/com/android/car/media/testmediaapp/prefs/TmaPrefsFragment.java
@@ -16,8 +16,12 @@
 
 package com.android.car.media.testmediaapp.prefs;
 
+import android.Manifest;
+import android.app.Activity;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
+import android.widget.Toast;
 
 import androidx.preference.DropDownPreference;
 import androidx.preference.Preference;
@@ -30,6 +34,8 @@ import com.android.car.media.testmediaapp.prefs.TmaEnumPrefs.TmaLoginEventOrder;
 import com.android.car.media.testmediaapp.prefs.TmaEnumPrefs.TmaReplyDelay;
 import com.android.car.media.testmediaapp.prefs.TmaPrefs.PrefEntry;
 
+import java.util.function.Consumer;
+
 public class TmaPrefsFragment extends PreferenceFragmentCompat {
 
     @Override
@@ -49,6 +55,8 @@ public class TmaPrefsFragment extends PreferenceFragmentCompat {
                 prefs.mAssetReplyDelay, TmaReplyDelay.values()));
         screen.addPreference(createEnumPref(context, "Login event order", prefs.mLoginEventOrder,
                 TmaLoginEventOrder.values()));
+        screen.addPreference(createClickPref(context, "Request location perm",
+                this::requestPermissions));
 
         setPreferenceScreen(screen);
     }
@@ -72,4 +80,25 @@ public class TmaPrefsFragment extends PreferenceFragmentCompat {
         prefWidget.setEntryValues(entryValues);
         return prefWidget;
     }
+
+    private Preference createClickPref(Context context, String title, Consumer<Context> runnable) {
+        Preference prefWidget = new Preference(context);
+        prefWidget.setTitle(title);
+        prefWidget.setOnPreferenceClickListener(pref -> {
+            runnable.accept(context);
+            return true;
+        });
+        return prefWidget;
+    }
+
+    private void requestPermissions(Context context) {
+        if (context.checkSelfPermission(Manifest.permission.ACCESS_FINE_LOCATION)
+                == PackageManager.PERMISSION_GRANTED) {
+            Toast.makeText(context, "Location permission already granted", Toast.LENGTH_SHORT)
+                    .show();
+        } else {
+            ((Activity) context).requestPermissions(
+                    new String[] {Manifest.permission.ACCESS_FINE_LOCATION}, 1);
+        }
+    }
 }