com.google.cast.samples.games.gamedebugger.MainActivity.java Source code

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Here is the source code for com.google.cast.samples.games.gamedebugger.MainActivity.java

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// Copyright 2015 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.google.cast.samples.games.gamedebugger;

import android.app.Fragment;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.MediaRouteActionProvider;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;

import java.util.Observable;
import java.util.Observer;

/**
 * The main activity.
 */
public class MainActivity extends ActionBarActivity implements Observer {
    private static final String TAG = "MainActivity";
    private CastConnectionFragment mCastConnectionFragment;
    private DebuggerFragment mDebuggerFragment = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main_activity);

        if (mCastConnectionFragment == null) {
            mCastConnectionFragment = new CastConnectionFragment();
        }
        if (mDebuggerFragment == null) {
            mDebuggerFragment = new DebuggerFragment();
        }

        updateFragments();
    }

    /**
     * Called when the options menu is first created.
     */
    @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);
        if (mediaRouteActionProvider == null) {
            Log.w(TAG, "mediaRouteActionProvider is null!");
            return false;
        }
        CastConnectionManager manager = GameDebuggerApplication.getInstance().getCastConnectionManager();
        mediaRouteActionProvider.setRouteSelector(manager.getMediaRouteSelector());
        return true;
    }

    @Override
    protected void onResume() {
        super.onResume();
        CastConnectionManager manager = GameDebuggerApplication.getInstance().getCastConnectionManager();
        manager.startScan();
        manager.addObserver(this);
        GameDebuggerApplication.getInstance().setCastAppIdProvider(mCastConnectionFragment);
        updateFragments();
    }

    @Override
    protected void onPause() {
        CastConnectionManager manager = GameDebuggerApplication.getInstance().getCastConnectionManager();
        manager.stopScan();
        manager.deleteObserver(this);
        GameDebuggerApplication.getInstance().setCastAppIdProvider(null);
        super.onPause();
    }

    /**
     * Called when the cast connection changes.
     */
    @Override
    public void update(Observable object, Object data) {
        updateFragments();
    }

    private void updateFragments() {
        if (isChangingConfigurations() || isFinishing() || isDestroyed()) {
            return;
        }
        Fragment fragment;
        CastConnectionManager manager = GameDebuggerApplication.getInstance().getCastConnectionManager();
        if (manager.isConnectedToReceiver()) {
            fragment = mDebuggerFragment;
        } else {
            fragment = mCastConnectionFragment;
        }
        getFragmentManager().beginTransaction().replace(R.id.fragment_container, fragment)
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN).commitAllowingStateLoss();
    }
}