com.manotaurgames.castro.sample.MainFragment.java Source code

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Here is the source code for com.manotaurgames.castro.sample.MainFragment.java

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/*
 * Copyright (C) 2015 Manotaur LLC. 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.manotaurgames.castro.sample;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.speech.RecognizerIntent;
import android.support.annotation.Nullable;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Toast;

import com.google.android.gms.cast.Cast;
import com.google.android.gms.cast.Cast.MessageReceivedCallback;
import com.google.android.gms.cast.CastDevice;
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 com.manotaurgames.castro.CastFragment;

import java.io.IOException;
import java.util.ArrayList;

public class MainFragment extends CastFragment {

    private static final String TAG = MainFragment.class.getSimpleName();
    private static final int REQUEST_CODE = 1;

    private HelloWorldChannel mHelloWorldChannel;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        setHasOptionsMenu(true);
        return inflater.inflate(R.layout.activity_main, container);
    }

    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        // When the user clicks on the button, use Android voice recognition to
        // get text
        Button voiceButton = (Button) view.findViewById(R.id.voiceButton);
        voiceButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                startVoiceRecognitionActivity();
            }
        });
    }

    /**
     * Android voice recognition
     */
    private void startVoiceRecognitionActivity() {
        Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
        intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
        intent.putExtra(RecognizerIntent.EXTRA_PROMPT, getString(R.string.message_to_cast));
        startActivityForResult(intent, REQUEST_CODE);
    }

    /*
     * Handle the voice recognition response
     *
     * @see android.support.v4.app.FragmentActivity#onActivityResult(int, int,
     * android.content.Intent)
     */
    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == REQUEST_CODE && resultCode == Activity.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);
    }

    /**
     * Send a text message to the receiver
     */
    private void sendMessage(String message) {
        GoogleApiClient apiClient = getCastApiClient();
        if (apiClient != null && mHelloWorldChannel != null) {
            try {
                Cast.CastApi.sendMessage(apiClient, mHelloWorldChannel.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(getActivity(), message, Toast.LENGTH_SHORT).show();
        }
    }

    @Override
    public void onCastConnect(GoogleApiClient apiClient, boolean isReconnect) {
        if (mHelloWorldChannel == null)
            mHelloWorldChannel = new HelloWorldChannel();
        try {
            Cast.CastApi.setMessageReceivedCallbacks(apiClient, mHelloWorldChannel.getNamespace(),
                    mHelloWorldChannel);
            sendMessage(getString(R.string.instructions));
        } catch (IOException e) {
            Log.e(TAG, "Exception while creating channel", e);
        }
    }

    @Override
    public void onCastDisconnect(GoogleApiClient apiClient) {
        try {
            if (mHelloWorldChannel != null) {
                Cast.CastApi.removeMessageReceivedCallbacks(apiClient, mHelloWorldChannel.getNamespace());
                mHelloWorldChannel = null;
            }
        } catch (IOException e) {
            Log.e(TAG, "Exception while removing channel", e);
        }
    }

    /**
     * Custom message channel
     */
    class HelloWorldChannel implements MessageReceivedCallback {

        /**
         * @return custom namespace
         */
        public String getNamespace() {
            return getString(R.string.namespace);
        }

        /*
         * Receive message from the receiver app
         */
        @Override
        public void onMessageReceived(CastDevice castDevice, String namespace, String message) {
            Log.d(TAG, "onMessageReceived: " + message);
        }

    }
}