Embms Download setup
Adds the EmbmsTestDownloadApp as a frontend for the download flow
Add a EmbmsDownloadService to EmbmsServiceTestApp
Test: testapps
Change-Id: Ic5e7323ca217dbb4323eac00861788fa19c5f2ef
diff --git a/testapps/EmbmsServiceTestApp/AndroidManifest.xml b/testapps/EmbmsServiceTestApp/AndroidManifest.xml
index 3adab28..526d3af 100644
--- a/testapps/EmbmsServiceTestApp/AndroidManifest.xml
+++ b/testapps/EmbmsServiceTestApp/AndroidManifest.xml
@@ -23,7 +23,14 @@
android:launchMode="singleInstance"
androidprv:systemUserOnly="true">
<intent-filter>
- <action android:name="android.telephony.action.EmbmsStreaming" />
+ <action android:name="android.telephony.action.EmbmsStreaming" />
+ </intent-filter>
+ </service>
+ <service android:name="com.android.phone.testapps.embmsmw.EmbmsSampleDownloadService"
+ android:launchMode="singleInstance"
+ androidprv:systemUserOnly="true">
+ <intent-filter>
+ <action android:name="android.telephony.action.EmbmsDownload" />
</intent-filter>
</service>
</application>
diff --git a/testapps/EmbmsServiceTestApp/res/raw/s1.png b/testapps/EmbmsServiceTestApp/res/raw/s1.png
new file mode 100644
index 0000000..353e1b5
--- /dev/null
+++ b/testapps/EmbmsServiceTestApp/res/raw/s1.png
Binary files differ
diff --git a/testapps/EmbmsServiceTestApp/src/com/android/phone/testapps/embmsmw/EmbmsSampleDownloadService.java b/testapps/EmbmsServiceTestApp/src/com/android/phone/testapps/embmsmw/EmbmsSampleDownloadService.java
new file mode 100644
index 0000000..360dd15
--- /dev/null
+++ b/testapps/EmbmsServiceTestApp/src/com/android/phone/testapps/embmsmw/EmbmsSampleDownloadService.java
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2017 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.phone.testapps.embmsmw;
+
+import android.app.Activity;
+import android.app.Service;
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Binder;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.IBinder;
+import android.os.ParcelFileDescriptor;
+import android.telephony.MbmsDownloadManager;
+import android.telephony.mbms.DownloadRequest;
+import android.telephony.mbms.IDownloadCallback;
+import android.telephony.mbms.MbmsDownloadReceiver;
+import android.telephony.mbms.MbmsException;
+import android.telephony.mbms.UriPathPair;
+import android.telephony.mbms.vendor.IMbmsDownloadService;
+import android.telephony.mbms.vendor.MbmsDownloadServiceBase;
+import android.util.Log;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+public class EmbmsSampleDownloadService extends Service {
+ private static final String LOG_TAG = "EmbmsSampleDownload";
+ private static final long DOWNLOAD_DELAY_MS = 1000;
+
+ private final IMbmsDownloadService mBinder = new MbmsDownloadServiceBase() {
+ @Override
+ public int download(DownloadRequest downloadRequest, IDownloadCallback listener) {
+ // TODO: move this package name finding logic to initialize()
+ String[] packageNames = getPackageManager().getPackagesForUid(Binder.getCallingUid());
+ if (packageNames == null) {
+ throw new SecurityException("No matching packages found for your UID");
+ }
+
+ if (packageNames.length != 1) {
+ throw new IllegalStateException("More than one package found for your UID");
+ }
+
+ String packageName = packageNames[0];
+
+ mHandler.post(() -> sendFdRequest(downloadRequest, packageName, 1));
+ return MbmsException.SUCCESS;
+ }
+ };
+
+ private HandlerThread mHandlerThread;
+ private Handler mHandler;
+
+ @Override
+ public IBinder onBind(Intent intent) {
+ mHandlerThread = new HandlerThread("EmbmsTestDownloadServiceWorker");
+ mHandlerThread.start();
+ mHandler = new Handler(mHandlerThread.getLooper());
+ return mBinder.asBinder();
+ }
+
+ private void sendFdRequest(DownloadRequest request, String packageName, int numFds) {
+ // Compose the FILE_DESCRIPTOR_REQUEST_INTENT
+ Intent requestIntent = new Intent(MbmsDownloadManager.ACTION_FILE_DESCRIPTOR_REQUEST);
+ requestIntent.putExtra(MbmsDownloadManager.EXTRA_REQUEST, request);
+ requestIntent.putExtra(MbmsDownloadManager.EXTRA_FD_COUNT, numFds);
+ ComponentName mbmsReceiverComponent = new ComponentName(packageName,
+ MbmsDownloadReceiver.class.getCanonicalName());
+ requestIntent.setComponent(mbmsReceiverComponent);
+
+ // Send as an ordered broadcast, using a BroadcastReceiver to capture the result
+ // containing UriPathPairs.
+ sendOrderedBroadcast(requestIntent,
+ null, // receiverPermission
+ new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ Bundle resultExtras = getResultExtras(false);
+ // This delay is to emulate the time it'd usually take to fetch the file
+ // off the network.
+ mHandler.postDelayed(
+ () -> performDownload(request, packageName, resultExtras),
+ DOWNLOAD_DELAY_MS);
+ }
+ },
+ null, // scheduler
+ Activity.RESULT_OK,
+ null, // initialData
+ null /* initialExtras */);
+ }
+
+ private void performDownload(DownloadRequest request, String packageName, Bundle extras) {
+ int result = MbmsDownloadManager.RESULT_SUCCESSFUL;
+ List<UriPathPair> tempFiles = extras.getParcelableArrayList(
+ MbmsDownloadManager.EXTRA_FREE_URI_LIST);
+ Uri tempFilePathUri = tempFiles.get(0).getFilePathUri();
+ Uri freeTempFileUri = tempFiles.get(0).getContentUri();
+
+ try {
+ // Get the ParcelFileDescriptor for the single temp file we requested
+ ParcelFileDescriptor tempFile = getContentResolver().openFileDescriptor(
+ freeTempFileUri, "rw");
+ OutputStream destinationStream =
+ new ParcelFileDescriptor.AutoCloseOutputStream(tempFile);
+
+ // This is how you get the native fd
+ Log.i(LOG_TAG, "Native fd: " + tempFile.getFd());
+
+ // Open the picture we have in our res/raw directory
+ InputStream image = getResources().openRawResource(R.raw.s1);
+
+ // Copy it into the temp file in the app's file space (crudely)
+ byte[] imageBuffer = new byte[image.available()];
+ image.read(imageBuffer);
+ destinationStream.write(imageBuffer);
+ destinationStream.flush();
+ } catch (IOException e) {
+ result = MbmsDownloadManager.RESULT_CANCELLED;
+ }
+
+ Intent downloadResultIntent =
+ new Intent(MbmsDownloadManager.ACTION_DOWNLOAD_RESULT_INTERNAL);
+ downloadResultIntent.putExtra(MbmsDownloadManager.EXTRA_REQUEST, request);
+ downloadResultIntent.putExtra(MbmsDownloadManager.EXTRA_FINAL_URI, tempFilePathUri);
+ ArrayList<Uri> tempFileList = new ArrayList<>(1);
+ tempFileList.add(tempFilePathUri);
+ downloadResultIntent.getExtras().putParcelableArrayList(
+ MbmsDownloadManager.EXTRA_TEMP_LIST, tempFileList);
+ downloadResultIntent.putExtra(MbmsDownloadManager.EXTRA_RESULT, result);
+
+ ComponentName mbmsReceiverComponent = new ComponentName(packageName,
+ MbmsDownloadReceiver.class.getCanonicalName());
+ downloadResultIntent.setComponent(mbmsReceiverComponent);
+
+ sendOrderedBroadcast(downloadResultIntent,
+ null, // receiverPermission
+ new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ int resultCode = getResultCode();
+ Log.i(LOG_TAG, "Download result ack: " + resultCode);
+ }
+ },
+ null, // scheduler
+ Activity.RESULT_OK,
+ null, // initialData
+ null /* initialExtras */);
+ }
+}
