| /* |
| * Copyright (C) 2015 Google Inc. 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.example.android.wearable.runtimepermissions; |
| |
| import android.Manifest; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.os.Environment; |
| import android.support.v4.app.ActivityCompat; |
| import android.util.Log; |
| |
| import com.example.android.wearable.runtimepermissions.common.Constants; |
| |
| import com.google.android.gms.tasks.OnCompleteListener; |
| import com.google.android.gms.tasks.Task; |
| import com.google.android.gms.wearable.DataMap; |
| import com.google.android.gms.wearable.MessageEvent; |
| import com.google.android.gms.wearable.Wearable; |
| import com.google.android.gms.wearable.WearableListenerService; |
| |
| import java.io.File; |
| |
| /** |
| * Handles all incoming requests for phone data (and permissions) from wear devices. |
| */ |
| public class IncomingRequestPhoneService extends WearableListenerService { |
| |
| private static final String TAG = "IncomingRequestService"; |
| |
| @Override |
| public void onCreate() { |
| super.onCreate(); |
| Log.d(TAG, "onCreate()"); |
| } |
| |
| @Override |
| public void onMessageReceived(MessageEvent messageEvent) { |
| super.onMessageReceived(messageEvent); |
| Log.d(TAG, "onMessageReceived(): " + messageEvent); |
| |
| String messagePath = messageEvent.getPath(); |
| |
| if (messagePath.equals(Constants.MESSAGE_PATH_PHONE)) { |
| |
| DataMap dataMap = DataMap.fromByteArray(messageEvent.getData()); |
| int requestType = dataMap.getInt(Constants.KEY_COMM_TYPE, 0); |
| |
| if (requestType == Constants.COMM_TYPE_REQUEST_PROMPT_PERMISSION) { |
| promptUserForStoragePermission(messageEvent.getSourceNodeId()); |
| |
| } else if (requestType == Constants.COMM_TYPE_REQUEST_DATA) { |
| respondWithStorageInformation(messageEvent.getSourceNodeId()); |
| } |
| } |
| } |
| |
| private void promptUserForStoragePermission(String nodeId) { |
| boolean storagePermissionApproved = |
| ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) |
| == PackageManager.PERMISSION_GRANTED; |
| |
| if (storagePermissionApproved) { |
| DataMap dataMap = new DataMap(); |
| dataMap.putInt(Constants.KEY_COMM_TYPE, |
| Constants.COMM_TYPE_RESPONSE_USER_APPROVED_PERMISSION); |
| sendMessage(nodeId, dataMap); |
| } else { |
| // Launch Phone Activity to grant storage permissions. |
| Intent startIntent = new Intent(this, PhonePermissionRequestActivity.class); |
| startIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| |
| /* This extra is included to alert MainPhoneActivity to send back the permission |
| * results after the user has made their decision in PhonePermissionRequestActivity |
| * and it finishes. |
| */ |
| startIntent.putExtra(MainPhoneActivity.EXTRA_PROMPT_PERMISSION_FROM_WEAR, true); |
| startActivity(startIntent); |
| } |
| } |
| |
| private void respondWithStorageInformation(String nodeId) { |
| |
| boolean storagePermissionApproved = |
| ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) |
| == PackageManager.PERMISSION_GRANTED; |
| |
| if (!storagePermissionApproved) { |
| DataMap dataMap = new DataMap(); |
| dataMap.putInt(Constants.KEY_COMM_TYPE, |
| Constants.COMM_TYPE_RESPONSE_PERMISSION_REQUIRED); |
| sendMessage(nodeId, dataMap); |
| } else { |
| /* To keep the sample simple, we are only displaying the top level list of directories. |
| * Otherwise, it will return a message that the media wasn't available. |
| */ |
| StringBuilder stringBuilder = new StringBuilder(); |
| |
| if (isExternalStorageReadable()) { |
| File externalStorageDirectory = Environment.getExternalStorageDirectory(); |
| String[] fileList = externalStorageDirectory.list(); |
| |
| if (fileList.length > 0) { |
| stringBuilder.append("List of directories on phone:\n"); |
| for (String file : fileList) { |
| stringBuilder.append(" - " + file + "\n"); |
| } |
| } else { |
| stringBuilder.append("No files in external storage."); |
| } |
| } else { |
| stringBuilder.append("No external media is available."); |
| } |
| |
| // Send valid results |
| DataMap dataMap = new DataMap(); |
| dataMap.putInt(Constants.KEY_COMM_TYPE, |
| Constants.COMM_TYPE_RESPONSE_DATA); |
| dataMap.putString(Constants.KEY_PAYLOAD, stringBuilder.toString()); |
| sendMessage(nodeId, dataMap); |
| |
| } |
| } |
| |
| private void sendMessage(String nodeId, DataMap dataMap) { |
| Log.d(TAG, "sendMessage() Node: " + nodeId); |
| |
| |
| // Clients are inexpensive to create, so in this case we aren't creating member variables. |
| // (They are cached and shared between GoogleApi instances.) |
| Task<Integer> sendMessageTask = |
| Wearable.getMessageClient( |
| getApplicationContext()).sendMessage( |
| nodeId, |
| Constants.MESSAGE_PATH_WEAR, |
| dataMap.toByteArray()); |
| |
| sendMessageTask.addOnCompleteListener(new OnCompleteListener<Integer>() { |
| @Override |
| public void onComplete(Task<Integer> task) { |
| if (task.isSuccessful()) { |
| Log.d(TAG, "Message sent successfully"); |
| } else { |
| Log.d(TAG, "Message failed."); |
| } |
| } |
| }); |
| } |
| |
| private boolean isExternalStorageReadable() { |
| String state = Environment.getExternalStorageState(); |
| |
| return Environment.MEDIA_MOUNTED.equals(state) |
| || Environment.MEDIA_MOUNTED_READ_ONLY.equals(state); |
| } |
| } |