MainActivity.java

/*
 * Copyright 2016-2018 Amazon.com, Inc. or its affiliates. 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.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.amazonaws.sample.lex;

import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import androidx.core.content.ContextCompat;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import com.amazonaws.mobileconnectors.dynamodbv2.document.datatype.Document;
import com.amazonaws.mobileconnectors.dynamodbv2.document.datatype.Primitive;
import java.util.List;


import com.amazonaws.sample.lex.R;

public class MainActivity extends Activity implements View.OnClickListener {
    private static final String TAG = "MainActivity";
    private static final int REQUEST_RECORDING_PERMISSIONS_RESULT = 75;
    private Button textDemoButton;
    private Button speechDemoButton;


    private class GetAllItemsAsyncTask extends AsyncTask<Void, Void, List<Document>> {
        @Override
        protected List<Document> doInBackground(Void... params) {
            DatabaseAccess databaseAccess = DatabaseAccess.getInstance(MainActivity.this);
            Log.d(TAG, "databases content"+databaseAccess.getAllItems().toString());
            return databaseAccess.getAllItems();
        }

        @Override
        protected void onPostExecute(List<Document> documents) {
        }

    }

    @Override
    protected void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Log.e(TAG, "Trying to db connect here ");

        init();

    }

    @Override
    public void onBackPressed() {
        finish();
        moveTaskToBack(true);
    }

    /**
     * Initializes the application.
     */
    private void init() {
        Log.e(TAG, "Initializing app");
        Log.e(TAG,  BuildConfig.API_URL );

        textDemoButton = (Button) findViewById(R.id.button_select_text);
        speechDemoButton = (Button) findViewById(R.id.button_select_voice);
        textDemoButton.setOnClickListener(this);
        speechDemoButton.setOnClickListener(this);

        // Starting with Marshmallow we need to explicitly ask if we can record audio
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) ==
                    PackageManager.PERMISSION_GRANTED) {
                speechDemoButton.setEnabled(true);
            } else {
                requestPermissions(new String[]{Manifest.permission.RECORD_AUDIO}, REQUEST_RECORDING_PERMISSIONS_RESULT);
            }
        } else {
            speechDemoButton.setEnabled(true);
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);

        if (requestCode == REQUEST_RECORDING_PERMISSIONS_RESULT) {
            if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
                Toast.makeText(getApplicationContext(),
                        "LexSample will not be able to use the voice feature", Toast.LENGTH_SHORT).show();

                // Disable the button
                speechDemoButton.setEnabled(false);
            } else {
                speechDemoButton.setEnabled(true);
            }
        }
    }

    /**
     * On-click listener for buttons text and voice buttons.
     *
     * @param v {@link View}, instance of the button component.
     */
    @Override
    public void onClick(final View v) {
        switch ((v.getId())) {
            case R.id.button_select_text:
                Intent textIntent = new Intent(this, TextActivity.class);
                // startActivity(textIntent);
                Log.e(TAG, "Connecting to DB onclick ");
                GetAllItemsAsyncTask getAllDevicesTask = new GetAllItemsAsyncTask();
                getAllDevicesTask.execute();
                break;
            case R.id.button_select_voice:
                Intent voiceIntent = new Intent(this, InteractiveVoiceActivity.class);
                startActivity(voiceIntent);
                break;
        }
    }
}