Java tutorial
/* * Copyright 2015 marlonlom * * 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 co.malm.heusum.mobile.activities; import android.os.Bundle; import android.support.v4.view.MenuItemCompat; import android.support.v7.app.AppCompatActivity; import android.support.v7.app.MediaRouteActionProvider; import android.support.v7.media.MediaRouteSelector; import android.support.v7.media.MediaRouter; import android.support.v7.widget.Toolbar; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.Toast; import com.google.android.gms.cast.ApplicationMetadata; import com.google.android.gms.cast.Cast; import com.google.android.gms.cast.CastDevice; import com.google.android.gms.cast.CastMediaControlIntent; import com.google.android.gms.cast.MediaInfo; import com.google.android.gms.cast.MediaMetadata; import com.google.android.gms.cast.MediaStatus; import com.google.android.gms.cast.RemoteMediaPlayer; 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 butterknife.ButterKnife; import butterknife.InjectView; import co.malm.heusum.mobile.R; public class HomeActivity extends AppCompatActivity { @InjectView(R.id.app_toolbar) Toolbar mToolbar; @InjectView(R.id.cast_button) Button mButton; private MediaRouter mMediaRouter; private MediaRouteSelector mMediaRouteSelector; private MediaRouter.Callback mMediaRouterCallback; private CastDevice mSelectedDevice; private GoogleApiClient mApiClient; private RemoteMediaPlayer mRemoteMediaPlayer; private Cast.Listener mCastClientListener; private boolean mWaitingForReconnect = false; private boolean mApplicationStarted = false; private boolean mVideoIsLoaded; private boolean mIsPlaying; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_home); ButterKnife.inject(this); setupToolbar(); setupCastButton(); initMediaRouter(); } private void setupCastButton() { mButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (!mVideoIsLoaded) startVideo(); else controlVideo(); } }); } private void controlVideo() { if (mRemoteMediaPlayer == null || !mVideoIsLoaded) return; if (mIsPlaying) { mRemoteMediaPlayer.pause(mApiClient); mButton.setText(getString(R.string.resume_video)); } else { mRemoteMediaPlayer.play(mApiClient); mButton.setText(getString(R.string.pause_video)); } } private void startVideo() { MediaMetadata mediaMetadata = new MediaMetadata(MediaMetadata.MEDIA_TYPE_MOVIE); mediaMetadata.putString(MediaMetadata.KEY_TITLE, getString(R.string.video_title)); MediaInfo mediaInfo = new MediaInfo.Builder(getString(R.string.video_url)) .setContentType(getString(R.string.content_type_mp4)).setStreamType(MediaInfo.STREAM_TYPE_BUFFERED) .setMetadata(mediaMetadata).build(); try { if (mApiClient == null) { launchReceiver(); return; } mRemoteMediaPlayer.load(mApiClient, mediaInfo, true) .setResultCallback(new ResultCallback<RemoteMediaPlayer.MediaChannelResult>() { @Override public void onResult(RemoteMediaPlayer.MediaChannelResult mediaChannelResult) { Log.d("Chromecastdemo", mediaChannelResult.getStatus().toString()); if (mediaChannelResult.getStatus().isSuccess()) { mVideoIsLoaded = true; mButton.setText(getString(R.string.pause_video)); } else { Toast.makeText(HomeActivity.this, "fail ?", Toast.LENGTH_SHORT).show(); } } }); } catch (Exception e) { Log.e("Chromecastdemo", e.getMessage()); } } @Override public boolean onCreateOptionsMenu(Menu menu) { super.onCreateOptionsMenu(menu); getMenuInflater().inflate(R.menu.menu_home, menu); MenuItem mediaRouteMenuItem = menu.findItem(R.id.media_route_menu_item); MediaRouteActionProvider mediaRouteActionProvider = (MediaRouteActionProvider) MenuItemCompat .getActionProvider(mediaRouteMenuItem); mediaRouteActionProvider.setRouteSelector(mMediaRouteSelector); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); if (id == R.id.action_settings) { Toast.makeText(this, R.string.action_settings, Toast.LENGTH_SHORT).show(); return true; } return super.onOptionsItemSelected(item); } private void setupToolbar() { setSupportActionBar(mToolbar); } /** * Configure Cast device discovery */ private void initMediaRouter() { mMediaRouter = MediaRouter.getInstance(getApplicationContext()); final String categoryForCast = CastMediaControlIntent.categoryForCast(getString(R.string.app_id)); mMediaRouteSelector = new MediaRouteSelector.Builder().addControlCategory(categoryForCast).build(); mMediaRouterCallback = new MediaRouterCallback(); } @Override protected void onResume() { super.onResume(); // Start media router discovery mMediaRouter.addCallback(mMediaRouteSelector, mMediaRouterCallback, MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN); } private void initRemoteMediaPlayer() { mRemoteMediaPlayer = new RemoteMediaPlayer(); mRemoteMediaPlayer.setOnStatusUpdatedListener(new RemoteMediaPlayer.OnStatusUpdatedListener() { @Override public void onStatusUpdated() { MediaStatus mediaStatus = mRemoteMediaPlayer.getMediaStatus(); mIsPlaying = mediaStatus.getPlayerState() == MediaStatus.PLAYER_STATE_PLAYING; } }); mRemoteMediaPlayer.setOnMetadataUpdatedListener(new RemoteMediaPlayer.OnMetadataUpdatedListener() { @Override public void onMetadataUpdated() { } }); } private void launchReceiver() { Cast.CastOptions.Builder apiOptionsBuilder = Cast.CastOptions.builder(mSelectedDevice, mCastClientListener); ConnectionCallbacks mConnectionCallbacks = new ConnectionCallbacks(); ConnectionFailedListener mConnectionFailedListener = new ConnectionFailedListener(); mApiClient = new GoogleApiClient.Builder(this).addApi(Cast.API, apiOptionsBuilder.build()) .addConnectionCallbacks(mConnectionCallbacks) .addOnConnectionFailedListener(mConnectionFailedListener).build(); mApiClient.connect(); } private void teardown() { if (mApiClient != null) { if (mApplicationStarted) { try { Cast.CastApi.stopApplication(mApiClient); if (mRemoteMediaPlayer != null) { Cast.CastApi.removeMessageReceivedCallbacks(mApiClient, mRemoteMediaPlayer.getNamespace()); mRemoteMediaPlayer = null; } } catch (IOException e) { //Log.e( TAG, "Exception while removing application " + e ); } mApplicationStarted = false; } if (mApiClient.isConnected()) mApiClient.disconnect(); mApiClient = null; } mSelectedDevice = null; mVideoIsLoaded = false; } private void initCastClientListener() { mCastClientListener = new Cast.Listener() { @Override public void onApplicationStatusChanged() { } @Override public void onVolumeChanged() { } @Override public void onApplicationDisconnected(int statusCode) { teardown(); } }; } private void reconnectChannels(Bundle hint) { if ((hint != null) && hint.getBoolean(Cast.EXTRA_APP_NO_LONGER_RUNNING)) { //Log.e( TAG, "App is no longer running" ); teardown(); } else { try { Cast.CastApi.setMessageReceivedCallbacks(mApiClient, mRemoteMediaPlayer.getNamespace(), mRemoteMediaPlayer); } catch (Exception e) { Log.e(this.getClass().getSimpleName(), "Exception while creating media channel ", e); } } } private class MediaRouterCallback extends MediaRouter.Callback { @Override public void onRouteSelected(MediaRouter router, MediaRouter.RouteInfo info) { initCastClientListener(); initRemoteMediaPlayer(); mSelectedDevice = CastDevice.getFromBundle(info.getExtras()); launchReceiver(); } @Override public void onRouteUnselected(MediaRouter router, MediaRouter.RouteInfo info) { teardown(); mSelectedDevice = null; mButton.setText(getString(R.string.play_video)); mVideoIsLoaded = false; } } private class ConnectionCallbacks implements GoogleApiClient.ConnectionCallbacks { @Override public void onConnected(Bundle hint) { if (mWaitingForReconnect) { mWaitingForReconnect = false; reconnectChannels(hint); } else { try { Cast.CastApi.launchApplication(mApiClient, getString(R.string.app_id), false) .setResultCallback(new ResultCallback<Cast.ApplicationConnectionResult>() { @Override public void onResult(Cast.ApplicationConnectionResult applicationConnectionResult) { Status status = applicationConnectionResult.getStatus(); if (status.isSuccess()) { //Values that can be useful for storing/logic ApplicationMetadata applicationMetadata = applicationConnectionResult .getApplicationMetadata(); String sessionId = applicationConnectionResult.getSessionId(); String applicationStatus = applicationConnectionResult .getApplicationStatus(); boolean wasLaunched = applicationConnectionResult.getWasLaunched(); mApplicationStarted = true; reconnectChannels(null); } } }); } catch (Exception e) { } } } @Override public void onConnectionSuspended(int i) { mWaitingForReconnect = true; } } private class ConnectionFailedListener implements GoogleApiClient.OnConnectionFailedListener { @Override public void onConnectionFailed(ConnectionResult connectionResult) { teardown(); } } }