Java tutorial
/* * Copyright (C) 2014 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.feedvids.controller; import android.content.Intent; import android.graphics.drawable.ColorDrawable; import android.os.Bundle; import android.speech.RecognizerIntent; import android.support.v4.view.MenuItemCompat; import android.support.v7.app.ActionBar; import android.support.v7.app.ActionBarActivity; import android.support.v7.app.MediaRouteActionProvider; import android.support.v7.media.MediaRouteSelector; import android.support.v7.media.MediaRouter; import android.support.v7.media.MediaRouter.RouteInfo; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Toast; import com.feedvids.controller.service.PocketServiceImpl; import com.google.android.gms.cast.ApplicationMetadata; import com.google.android.gms.cast.Cast; import com.google.android.gms.cast.Cast.ApplicationConnectionResult; import com.google.android.gms.cast.Cast.MessageReceivedCallback; import com.google.android.gms.cast.CastDevice; import com.google.android.gms.cast.CastMediaControlIntent; 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.common.api.Status; import java.io.IOException; import java.util.ArrayList; /** * Main activity to send messages to the receiver. */ @Deprecated public class MainActivity extends ActionBarActivity { private static final String TAG = MainActivity.class.getSimpleName(); private static final int REQUEST_CODE = 1; private MediaRouter mMediaRouter; private MediaRouteSelector mMediaRouteSelector; private MediaRouter.Callback mMediaRouterCallback; private CastDevice mSelectedDevice; private GoogleApiClient mApiClient; private Cast.Listener mCastListener; private ConnectionCallbacks mConnectionCallbacks; private ConnectionFailedListener mConnectionFailedListener; private FeedvidsMessageReceiver mFeedvidsMessageReceiver; private boolean mApplicationStarted; private boolean mWaitingForReconnect; private String mSessionId; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ActionBar actionBar = getSupportActionBar(); actionBar.setBackgroundDrawable(new ColorDrawable(android.R.color.transparent)); // Configure Cast device discovery mMediaRouter = MediaRouter.getInstance(getApplicationContext()); mMediaRouteSelector = new MediaRouteSelector.Builder() .addControlCategory(CastMediaControlIntent.categoryForCast(getString(R.string.cast_ap_pid))) .build(); mMediaRouterCallback = new MediaRouterCallback(); } /* * Handle the voice recognition response * * @see android.support.v4.app.FragmentActivity#onActivityResult(int, int, * android.content.Intent) */ @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) { ArrayList<String> matches = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS); if (matches.size() > 0) { Log.d(TAG, matches.get(0)); sendMessage(matches.get(0)); } } super.onActivityResult(requestCode, resultCode, data); } @Override protected void onResume() { super.onResume(); // Start media router discovery mMediaRouter.addCallback(mMediaRouteSelector, mMediaRouterCallback, MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN); } @Override protected void onPause() { if (isFinishing()) { // End media router discovery mMediaRouter.removeCallback(mMediaRouterCallback); } super.onPause(); } @Override public void onDestroy() { tearDown(); super.onDestroy(); } @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); getMenuInflater().inflate(R.menu.main, menu); MenuItem mediaRouteMenuItem = menu.findItem(R.id.media_route_menu_item); MediaRouteActionProvider mediaRouteActionProvider = (MediaRouteActionProvider) MenuItemCompat .getActionProvider(mediaRouteMenuItem); // Set the MediaRouteActionProvider selector for device discovery. mediaRouteActionProvider.setRouteSelector(mMediaRouteSelector); return true; } public void next(View view) { sendMessage(getCommand("next")); } public void pause(View view) { sendMessage(getCommand("pause")); } private String getCommand(final String command) { return "{\"command\":\"" + command + "\"}"; } public void prev(View view) { sendMessage(getCommand("prev")); } public void play(View view) { sendMessage(getCommand("play")); } public void playPause(View view) { sendMessage(getCommand("playPause")); } public void delete(View view) { PocketServiceImpl pocketService = new PocketServiceImpl(); String retrieve = pocketService.retrieve(); System.out.println("retrieve = " + retrieve); } /** * Callback for MediaRouter events */ private class MediaRouterCallback extends MediaRouter.Callback { @Override public void onRouteSelected(MediaRouter router, RouteInfo info) { Log.d(TAG, "onRouteSelected"); // Handle the user route selection. mSelectedDevice = CastDevice.getFromBundle(info.getExtras()); launchReceiver(); } @Override public void onRouteUnselected(MediaRouter router, RouteInfo info) { Log.d(TAG, "onRouteUnselected: info=" + info); tearDown(); mSelectedDevice = null; } } /** * Start the receiver app */ private void launchReceiver() { try { mCastListener = new Cast.Listener() { @Override public void onApplicationDisconnected(int errorCode) { Log.d(TAG, "application has stopped"); tearDown(); } }; // Connect to Google Play services mConnectionCallbacks = new ConnectionCallbacks(); mConnectionFailedListener = new ConnectionFailedListener(); Cast.CastOptions.Builder apiOptionsBuilder = Cast.CastOptions.builder(mSelectedDevice, mCastListener); mApiClient = new GoogleApiClient.Builder(this).addApi(Cast.API, apiOptionsBuilder.build()) .addConnectionCallbacks(mConnectionCallbacks) .addOnConnectionFailedListener(mConnectionFailedListener).build(); mApiClient.connect(); } catch (Exception e) { Log.e(TAG, "Failed launchReceiver", e); } } /** * Google Play services callbacks */ private class ConnectionCallbacks implements GoogleApiClient.ConnectionCallbacks { @Override public void onConnected(Bundle connectionHint) { Log.d(TAG, "onConnected"); if (mApiClient == null) { // We got disconnected while this runnable was pending // execution. return; } try { if (mWaitingForReconnect) { mWaitingForReconnect = false; // Check if the receiver app is still running if ((connectionHint != null) && connectionHint.getBoolean(Cast.EXTRA_APP_NO_LONGER_RUNNING)) { Log.d(TAG, "App is no longer running"); tearDown(); } else { // Re-create the custom message channel try { Cast.CastApi.setMessageReceivedCallbacks(mApiClient, mFeedvidsMessageReceiver.getNamespace(), mFeedvidsMessageReceiver); } catch (IOException e) { Log.e(TAG, "Exception while creating channel", e); } } } else { // Launch the receiver app Cast.CastApi.launchApplication(mApiClient, (getString(R.string.cast_ap_pid)), false) .setResultCallback(new ResultCallback<Cast.ApplicationConnectionResult>() { @Override public void onResult(ApplicationConnectionResult result) { Status status = result.getStatus(); Log.d(TAG, "ApplicationConnectionResultCallback.onResult: statusCode" + status.getStatusCode()); if (status.isSuccess()) { ApplicationMetadata applicationMetadata = result.getApplicationMetadata(); mSessionId = result.getSessionId(); String applicationStatus = result.getApplicationStatus(); boolean wasLaunched = result.getWasLaunched(); Log.d(TAG, "application name: " + applicationMetadata.getName() + ", status: " + applicationStatus + ", sessionId: " + mSessionId + ", wasLaunched: " + wasLaunched); mApplicationStarted = true; // Create the custom message // channel mFeedvidsMessageReceiver = new FeedvidsMessageReceiver(); try { Cast.CastApi.setMessageReceivedCallbacks(mApiClient, mFeedvidsMessageReceiver.getNamespace(), mFeedvidsMessageReceiver); } catch (IOException e) { Log.e(TAG, "Exception while creating channel", e); } // set the initial instructions // on the receiver } else { Log.e(TAG, "application could not launch"); tearDown(); } } }); } } catch (Exception e) { Log.e(TAG, "Failed to launch application", e); } } @Override public void onConnectionSuspended(int cause) { Log.d(TAG, "onConnectionSuspended"); mWaitingForReconnect = true; } } /** * Google Play services callbacks */ private class ConnectionFailedListener implements GoogleApiClient.OnConnectionFailedListener { @Override public void onConnectionFailed(ConnectionResult result) { Log.e(TAG, "onConnectionFailed "); tearDown(); } } /** * Tear down the connection to the receiver */ private void tearDown() { Log.d(TAG, "tearDown"); if (mApiClient != null) { if (mApplicationStarted) { if (mApiClient.isConnected()) { try { //TODO not stop app, always next vid! //Cast.CastApi.stopApplication(mApiClient, mSessionId); if (mFeedvidsMessageReceiver != null) { Cast.CastApi.removeMessageReceivedCallbacks(mApiClient, mFeedvidsMessageReceiver.getNamespace()); mFeedvidsMessageReceiver = null; } } catch (IOException e) { Log.e(TAG, "Exception while removing channel", e); } mApiClient.disconnect(); } mApplicationStarted = false; } mApiClient = null; } mSelectedDevice = null; mWaitingForReconnect = false; mSessionId = null; } /** * Send a text message to the receiver */ private void sendMessage(String message) { if (mApiClient != null && mFeedvidsMessageReceiver != null) { try { Cast.CastApi.sendMessage(mApiClient, mFeedvidsMessageReceiver.getNamespace(), message) .setResultCallback(new ResultCallback<Status>() { @Override public void onResult(Status result) { if (!result.isSuccess()) { Log.e(TAG, "Sending message failed"); } } }); } catch (Exception e) { Log.e(TAG, "Exception while sending message", e); } } else { Toast.makeText(MainActivity.this, message, Toast.LENGTH_SHORT).show(); } } /** * Custom message channel */ class FeedvidsMessageReceiver implements MessageReceivedCallback { /** * @return custom namespace */ public String getNamespace() { return "urn:x-cast:com.google.cast.sample.helloworld"; } /* * Receive message from the receiver app */ @Override public void onMessageReceived(CastDevice castDevice, String namespace, String message) { Log.d(TAG, "onMessageReceived: " + message); } } }