Android Open Source - MediaRouter-Cast-Button-android Media Router Custom Dialog Activity

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2014 Google Inc. All Rights Reserved. 
 *//  w  w  w .  j a  va2  s .  c o  m
 * 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.mediarouter;

import android.os.Bundle;
import android.support.v4.view.MenuItemCompat;
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.widget.Toast;

import com.example.mediarouter.mediaroutedialog.CustomMediaRouteDialogFactory;
import com.google.android.gms.cast.CastDevice;
import com.google.android.gms.cast.CastMediaControlIntent;

/**
 * Sample activity to demonstrate the use of the MediaRouteActionProvider for
 * adding the Cast button to the action bar. This activity shows how to create a
 * custom MediaRouter control dialog.
 * 
 * @see http://developer.android.com/guide/topics/media/mediarouter.html
 */
public class MediaRouterCustomDialogActivity extends ActionBarActivity {

  private static final String TAG = MediaRouterCustomDialogActivity.class
      .getSimpleName();

  private MediaRouter mMediaRouter;
  private MediaRouteSelector mMediaRouteSelector;
  private MediaRouter.Callback mMediaRouterCallback;
  private CastDevice mSelectedDevice;

  private CustomMediaRouteDialogFactory mCustomMediaRouteDialogFactory;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.media_router_action_bar_button);

    mCustomMediaRouteDialogFactory = new CustomMediaRouteDialogFactory();

    mMediaRouter = MediaRouter.getInstance(getApplicationContext());
    // Create a MediaRouteSelector for the type of routes your app supports
    mMediaRouteSelector = new MediaRouteSelector.Builder()
        .addControlCategory(
            CastMediaControlIntent.categoryForCast(getResources()
                .getString(R.string.app_id))).build();
    // Create a MediaRouter callback for discovery events
    mMediaRouterCallback = new MyMediaRouterCallback();
  }

  @Override
  protected void onResume() {
    super.onResume();

    // Add the callback to start device discovery
    mMediaRouter.addCallback(mMediaRouteSelector, mMediaRouterCallback,
        MediaRouter.CALLBACK_FLAG_REQUEST_DISCOVERY);
  }

  @Override
  protected void onPause() {
    // Remove the callback to stop device discovery
    mMediaRouter.removeCallback(mMediaRouterCallback);
    super.onPause();
  }

  @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);
    // Set the custom dialog factory for a custom control dialog
    mediaRouteActionProvider
        .setDialogFactory(mCustomMediaRouteDialogFactory);
    return true;
  }

  private class MyMediaRouterCallback extends MediaRouter.Callback {

    @Override
    public void onRouteSelected(MediaRouter router, RouteInfo info) {
      Log.d(TAG, "onRouteSelected");
      // Handle route selection.
      mSelectedDevice = CastDevice.getFromBundle(info.getExtras());

      // Just display a message for now; In a real app this would be the
      // hook to connect to the selected device and launch the receiver
      // app
      Toast.makeText(
          MediaRouterCustomDialogActivity.this,
          getString(R.string.todo_connect) + '\n'
              + getString(R.string.custom_dialog),
          Toast.LENGTH_LONG).show();
    }

    @Override
    public void onRouteUnselected(MediaRouter router, RouteInfo info) {
      Log.d(TAG, "onRouteUnselected: info=" + info);
      mSelectedDevice = null;
    }
  }
}

Java Source Code List

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