Support7Demos

/* * Copyright (C) 2013 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.supportv7.media; import com.example.android.supportv7.R; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.FragmentManager; import android.support.v4.view.MenuItemCompat; import android.support.v7.app.ActionBarActivity; import android.support.v7.app.MediaRouteActionProvider; import android.support.v7.app.MediaRouteDiscoveryFragment; import android.support.v7.media.MediaControlIntent; import android.support.v7.media.MediaRouter; import android.support.v7.media.MediaRouter.Callback; import android.support.v7.media.MediaRouter.RouteInfo; import android.support.v7.media.MediaRouter.ProviderInfo; import android.support.v7.media.MediaRouteSelector; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; /** * <h3>Media Router Support Activity</h3> * * <p> * This demonstrates how to use the {@link MediaRouter} API to build an * application that allows the user to send content to various rendering * targets. * </p> */ public class SampleMediaRouterActivity extends ActionBarActivity { private static final String TAG = "MediaRouterSupport"; private static final String DISCOVERY_FRAGMENT_TAG = "DiscoveryFragment"; private MediaRouter mMediaRouter; private MediaRouteSelector mSelector; private ArrayAdapter<MediaItem> mMediaItems; private TextView mInfoTextView; private ListView mMediaListView; private Button mPlayButton; private Button mStatisticsButton; @Override protected void onCreate(Bundle savedInstanceState) { // Be sure to call the super class. super.onCreate(savedInstanceState); // Get the media router service. mMediaRouter = MediaRouter.getInstance(this); // Create a route selector for the type of routes that we care about. mSelector = new MediaRouteSelector.Builder() .addControlCategory(MediaControlIntent.CATEGORY_LIVE_AUDIO) .addControlCategory(MediaControlIntent.CATEGORY_LIVE_VIDEO) .addControlCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK) .addControlCategory(SampleMediaRouteProvider.CATEGORY_SAMPLE_ROUTE) .build(); // Add a fragment to take care of media route discovery. // This fragment automatically adds or removes a callback whenever the activity // is started or stopped. FragmentManager fm = getSupportFragmentManager(); if (fm.findFragmentByTag(DISCOVERY_FRAGMENT_TAG) == null) { DiscoveryFragment fragment = new DiscoveryFragment(); fragment.setRouteSelector(mSelector); fm.beginTransaction() .add(fragment, DISCOVERY_FRAGMENT_TAG) .commit(); } // Populate an array adapter with fake media items. String[] mediaNames = getResources().getStringArray(R.array.media_names); String[] mediaUris = getResources().getStringArray(R.array.media_uris); mMediaItems = new ArrayAdapter<MediaItem>(this, android.R.layout.simple_list_item_single_choice, android.R.id.text1); for (int i = 0; i < mediaNames.length; i++) { mMediaItems.add(new MediaItem(mediaNames[i], Uri.parse(mediaUris[i]))); } // Initialize the layout. setContentView(R.layout.sample_media_router); mInfoTextView = (TextView)findViewById(R.id.info); mMediaListView = (ListView)findViewById(R.id.media); mMediaListView.setAdapter(mMediaItems); mMediaListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); mMediaListView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { updateButtons(); } }); mPlayButton = (Button)findViewById(R.id.play_button); mPlayButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { play(); } }); mStatisticsButton = (Button)findViewById(R.id.statistics_button); mStatisticsButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { showStatistics(); } }); } @Override public void onStart() { // Be sure to call the super class. super.onStart(); updateRouteDescription(); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Be sure to call the super class. super.onCreateOptionsMenu(menu); // Inflate the menu and configure the media router action provider. getMenuInflater().inflate(R.menu.sample_media_router_menu, menu); MenuItem mediaRouteMenuItem = menu.findItem(R.id.media_route_menu_item); MediaRouteActionProvider mediaRouteActionProvider = (MediaRouteActionProvider)MenuItemCompat.getActionProvider(mediaRouteMenuItem); mediaRouteActionProvider.setRouteSelector(mSelector); // Return true to show the menu. return true; } private void updateRouteDescription() { RouteInfo route = mMediaRouter.getSelectedRoute(); mInfoTextView.setText("Currently selected route: " + route.getName() + " from provider " + route.getProvider().getPackageName() + ", description: " + route.getDescription()); updateButtons(); } private void updateButtons() { MediaRouter.RouteInfo route = mMediaRouter.getSelectedRoute(); MediaItem item = getCheckedMediaItem(); if (item != null) { mPlayButton.setEnabled(route.supportsControlRequest(makePlayIntent(item))); } else { mPlayButton.setEnabled(false); } mStatisticsButton.setEnabled(route.supportsControlRequest(makeStatisticsIntent())); } private void play() { final MediaItem item = getCheckedMediaItem(); if (item == null) { return; } MediaRouter.RouteInfo route = mMediaRouter.getSelectedRoute(); Intent intent = makePlayIntent(item); if (route.supportsControlRequest(intent)) { MediaRouter.ControlRequestCallback callback = new MediaRouter.ControlRequestCallback() { @Override public void onResult(Bundle data) { String streamId = data != null ? data.getString( MediaControlIntent.EXTRA_ITEM_ID) : null; Log.d(TAG, "Play request succeeded: data=" + data + " , streamId=" + streamId); Toast.makeText(SampleMediaRouterActivity.this, "Now playing " + item.mName, Toast.LENGTH_LONG).show(); } @Override public void onError(String error,