com.pddstudio.talkdemo.MainActivity.java Source code

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Here is the source code for com.pddstudio.talkdemo.MainActivity.java

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/*
 * Copyright 2016 Patrick J
 *
 *     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.pddstudio.talkdemo;

import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.pddstudio.talking.Talk;
import com.pddstudio.talking.model.SpeechObject;

public class MainActivity extends AppCompatActivity implements Talk.Callback {

    TextView statusText;
    TextView wordText;
    Button listenBtn;
    EditText commandText;
    Button addCmdBtn;

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

        //initialize Talk lib
        Talk.init(this, this);

        //add the speech objects
        Talk.getInstance().addSpeechObjects(helloObject, androidObject, gmObject, tlicObject);

        statusText = (TextView) findViewById(R.id.statusLabel);
        wordText = (TextView) findViewById(R.id.textLabel);

        listenBtn = (Button) findViewById(R.id.listenBtn);
        listenBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (hasPermission()) {
                    Talk.getInstance().startListening();
                } else {
                    requestPermission();
                }
            }
        });

        commandText = (EditText) findViewById(R.id.cmdText);
        addCmdBtn = (Button) findViewById(R.id.addBtn);
        addCmdBtn.setOnClickListener(addCommandListener);

    }

    private boolean hasPermission() {
        return ContextCompat.checkSelfPermission(this,
                Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
    }

    private void requestPermission() {
        if (ContextCompat.checkSelfPermission(this,
                Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_DENIED) {
            ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.RECORD_AUDIO }, 42);
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[],
            @NonNull int[] grantResults) {
        if (requestCode == 42 && grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
            listenBtn.performClick();
        }
    }

    @Override
    public void onDestroy() {
        Talk.getInstance().stopListening();
        super.onDestroy();
    }

    /*
    TALK LIBRARY CALLBACK
     */

    @Override
    public void onStartListening() {
        statusText.setText("Listening...");
        listenBtn.setEnabled(false);
    }

    @Override
    public void onRmsChanged(float rms) {

    }

    @Override
    public void onFailedListening(int errorCode) {
        statusText.setText("Listening Failed.. [" + errorCode + "]");
        wordText.setText("");
        listenBtn.setEnabled(true);
    }

    @Override
    public void onFinishedListening(SpeechObject speechObject) {
        statusText.setText("Finished Listening!");
        if (speechObject != null) {
            speechObject.onSpeechObjectIdentified();
        }
        listenBtn.setEnabled(true);
    }

    /*
    SOME TEST SPEECH OBJECTS
     */

    private SpeechObject helloObject = new SpeechObject() {
        @Override
        public void onSpeechObjectIdentified() {
            wordText.setText("Recognized: Hello");
        }

        @Override
        public String getVoiceString() {
            return "hello";
        }
    };

    private SpeechObject androidObject = new SpeechObject() {
        @Override
        public void onSpeechObjectIdentified() {
            wordText.setText("Recognized: Android");
        }

        @Override
        public String getVoiceString() {
            return "android";
        }
    };

    private SpeechObject gmObject = new SpeechObject() {
        @Override
        public void onSpeechObjectIdentified() {
            wordText.setText("Recognized: Good Morning");
        }

        @Override
        public String getVoiceString() {
            return "Good Morning";
        }
    };

    private SpeechObject tlicObject = new SpeechObject() {
        @Override
        public void onSpeechObjectIdentified() {
            wordText.setText("Recognized: This library is cool");
        }

        @Override
        public String getVoiceString() {
            return "This library is cool";
        }
    };

    private View.OnClickListener addCommandListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (commandText.getText() != null && !commandText.getText().toString().isEmpty()) {
                CustomObject customObject = new CustomObject(MainActivity.this, commandText.getText().toString());
                Talk.getInstance().addSpeechObjects(customObject);
                statusText.setText("Added: " + commandText.getText().toString());
                commandText.setText("");
            }
        }
    };

}