| /* |
| * 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. |
| */ |
| |
| package com.example.android.wearable.delayedconfirmation; |
| |
| import android.app.Activity; |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.os.Bundle; |
| import android.support.wearable.view.DelayedConfirmationView; |
| import android.util.Log; |
| import android.view.View; |
| import android.widget.Toast; |
| |
| import com.google.android.gms.common.ConnectionResult; |
| import com.google.android.gms.common.api.GoogleApiClient; |
| import com.google.android.gms.common.api.ResultCallback; |
| import com.google.android.gms.wearable.CapabilityApi; |
| import com.google.android.gms.wearable.CapabilityInfo; |
| import com.google.android.gms.wearable.MessageApi; |
| import com.google.android.gms.wearable.Node; |
| import com.google.android.gms.wearable.Wearable; |
| |
| import java.util.Set; |
| |
| public class MainActivity extends Activity implements |
| DelayedConfirmationView.DelayedConfirmationListener, |
| GoogleApiClient.OnConnectionFailedListener, GoogleApiClient.ConnectionCallbacks, |
| CapabilityApi.CapabilityListener { |
| |
| private static final String TAG = "DelayedConfirmation"; |
| private static final int NUM_SECONDS = 5; |
| |
| private static final String TIMER_SELECTED_PATH = "/timer_selected"; |
| private static final String TIMER_FINISHED_PATH = "/timer_finished"; |
| |
| /* name of the capability that the phone side provides */ |
| private static final String CONFIRMATION_HANDLER_CAPABILITY_NAME = "confirmation_handler"; |
| |
| private DelayedConfirmationView delayedConfirmationView; |
| private GoogleApiClient mGoogleApiClient; |
| |
| /* the preferred note that can handle the confirmation capability */ |
| private Node mConfirmationHandlerNode; |
| |
| @Override |
| public void onCreate(Bundle b) { |
| super.onCreate(b); |
| setContentView(R.layout.main_activity); |
| delayedConfirmationView = (DelayedConfirmationView) findViewById(R.id.delayed_confirmation); |
| delayedConfirmationView.setTotalTimeMs(NUM_SECONDS * 1000); |
| mGoogleApiClient = new GoogleApiClient.Builder(this) |
| .addApi(Wearable.API) |
| .addOnConnectionFailedListener(this) |
| .addConnectionCallbacks(this) |
| .build(); |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| if (!mGoogleApiClient.isConnected()) { |
| mGoogleApiClient.connect(); |
| } |
| } |
| |
| @Override |
| protected void onPause() { |
| if (mGoogleApiClient.isConnected()) { |
| Wearable.CapabilityApi.removeCapabilityListener(mGoogleApiClient, this, |
| CONFIRMATION_HANDLER_CAPABILITY_NAME); |
| mGoogleApiClient.disconnect(); |
| } |
| super.onPause(); |
| } |
| |
| /** |
| * Starts the DelayedConfirmationView when user presses "Start Timer" button. |
| */ |
| public void onStartTimer(View view) { |
| delayedConfirmationView.start(); |
| delayedConfirmationView.setListener(this); |
| } |
| |
| @Override |
| public void onTimerSelected(View v) { |
| v.setPressed(true); |
| Notification notification = new Notification.Builder(this) |
| .setSmallIcon(R.drawable.ic_launcher) |
| .setContentTitle(getString(R.string.notification_title)) |
| .setContentText(getString(R.string.notification_timer_selected)) |
| .build(); |
| ((NotificationManager) getSystemService(NOTIFICATION_SERVICE)).notify(0, notification); |
| sendMessageToCompanion(TIMER_SELECTED_PATH); |
| // Prevent onTimerFinished from being heard. |
| ((DelayedConfirmationView) v).setListener(null); |
| finish(); |
| } |
| |
| @Override |
| public void onTimerFinished(View v) { |
| Notification notification = new Notification.Builder(this) |
| .setSmallIcon(R.drawable.ic_launcher) |
| .setContentTitle(getString(R.string.notification_title)) |
| .setContentText(getString(R.string.notification_timer_finished)) |
| .build(); |
| ((NotificationManager) getSystemService(NOTIFICATION_SERVICE)).notify(0, notification); |
| sendMessageToCompanion(TIMER_FINISHED_PATH); |
| finish(); |
| } |
| |
| @Override |
| public void onConnectionFailed(ConnectionResult connectionResult) { |
| Log.e(TAG, "Failed to connect to Google Api Client"); |
| mConfirmationHandlerNode = null; |
| } |
| |
| private void sendMessageToCompanion(final String path) { |
| if (mConfirmationHandlerNode != null) { |
| Wearable.MessageApi.sendMessage(mGoogleApiClient, mConfirmationHandlerNode.getId(), |
| path, new byte[0]) |
| .setResultCallback(getSendMessageResultCallback(mConfirmationHandlerNode)); |
| } else { |
| Toast.makeText(this, R.string.no_device_found, Toast.LENGTH_SHORT).show(); |
| } |
| } |
| |
| private ResultCallback<MessageApi.SendMessageResult> getSendMessageResultCallback( |
| final Node node) { |
| return new ResultCallback<MessageApi.SendMessageResult>() { |
| @Override |
| public void onResult(MessageApi.SendMessageResult sendMessageResult) { |
| if (!sendMessageResult.getStatus().isSuccess()) { |
| Log.e(TAG, "Failed to send message with status " |
| + sendMessageResult.getStatus()); |
| } else { |
| Log.d(TAG, "Sent confirmation message to node " + node.getDisplayName()); |
| } |
| } |
| }; |
| } |
| |
| private void setupConfirmationHandlerNode() { |
| Wearable.CapabilityApi.addCapabilityListener( |
| mGoogleApiClient, this, CONFIRMATION_HANDLER_CAPABILITY_NAME); |
| |
| Wearable.CapabilityApi.getCapability( |
| mGoogleApiClient, CONFIRMATION_HANDLER_CAPABILITY_NAME, |
| CapabilityApi.FILTER_REACHABLE).setResultCallback( |
| new ResultCallback<CapabilityApi.GetCapabilityResult>() { |
| @Override |
| public void onResult(CapabilityApi.GetCapabilityResult result) { |
| if (!result.getStatus().isSuccess()) { |
| Log.e(TAG, "setupConfirmationHandlerNode() Failed to get capabilities, " |
| + "status: " + result.getStatus().getStatusMessage()); |
| return; |
| } |
| updateConfirmationCapability(result.getCapability()); |
| } |
| }); |
| } |
| |
| private void updateConfirmationCapability(CapabilityInfo capabilityInfo) { |
| Set<Node> connectedNodes = capabilityInfo.getNodes(); |
| if (connectedNodes.isEmpty()) { |
| mConfirmationHandlerNode = null; |
| } else { |
| mConfirmationHandlerNode = pickBestNode(connectedNodes); |
| } |
| } |
| |
| /** |
| * We pick a node that is capabale of handling the confirmation. If there is more than one, |
| * then we would prefer the one that is directly connected to this device. In general, |
| * depending on the situation and requirements, the "best" node might be picked based on other |
| * criteria. |
| */ |
| private Node pickBestNode(Set<Node> connectedNodes) { |
| Node best = null; |
| if (connectedNodes != null) { |
| for (Node node : connectedNodes) { |
| if (node.isNearby()) { |
| return node; |
| } |
| best = node; |
| } |
| } |
| return best; |
| } |
| |
| @Override |
| public void onConnected(Bundle bundle) { |
| setupConfirmationHandlerNode(); |
| } |
| |
| @Override |
| public void onConnectionSuspended(int cause) { |
| mConfirmationHandlerNode = null; |
| } |
| |
| @Override |
| public void onCapabilityChanged(CapabilityInfo capabilityInfo) { |
| updateConfirmationCapability(capabilityInfo); |
| } |
| } |