FrequencyActivity [-]

package com.example.iptea.audio22;

import android.content.Context;
import android.media.AudioRecord;
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.Toast;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;

public class FrequencyActivity extends AppCompatActivity {

    private Button play, stop, record;
    private MediaRecorder myAudioRecorder;
    private String outputFile;

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

        play = (Button) findViewById(R.id.play);
        stop = (Button) findViewById(R.id.stop);
        record = (Button) findViewById(R.id.record);
        stop.setEnabled(false);
        play.setEnabled(false);

        outputFile = Environment.getExternalStorageDirectory().getAbsolutePath() + "/recording.3gp";
        myAudioRecorder = new MediaRecorder();


        myAudioRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        myAudioRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
        myAudioRecorder.setAudioEncoder(MediaRecorder.OutputFormat.AMR_NB);
        myAudioRecorder.setOutputFile(outputFile);

        record.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                try {
                    myAudioRecorder.prepare();
                    myAudioRecorder.start();
                } catch (IllegalStateException ise) {
                    // make something ...
                } catch (IOException ioe) {
                    // make something
                }
                record.setEnabled(false);
                stop.setEnabled(true);
                Toast.makeText(getApplicationContext(), "Recording started", Toast.LENGTH_LONG).show();
            }
        });

        stop.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                myAudioRecorder.stop();
                myAudioRecorder.release();
                myAudioRecorder = null;
                record.setEnabled(true);
                stop.setEnabled(false);
                play.setEnabled(true);
                Toast.makeText(getApplicationContext(), "Audio Recorder successfully", Toast.LENGTH_LONG).show();
            }
        });

        play.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                MediaPlayer mediaPlayer = new MediaPlayer();
                try {
                    mediaPlayer.setDataSource(outputFile);
                    mediaPlayer.prepare();
                    mediaPlayer.start();
                    Toast.makeText(getApplicationContext(), "Playing Audio", Toast.LENGTH_LONG).show();
                } catch (Exception e) {
                    // make something
                }
            }
        });

    }
}


















//Context context = this;


//AudioRecord recorder; // our recorder, must be initialized first

/*        AudioRecord recorder = new AudioRecord(MediaRecorder.AudioSource.DEFAULT, rate, channelConfig, audioFormat, bufferSize);

        short[] buffer; // buffer where we will put captured samples
        DataOutputStream output; // output stream to target file
        boolean isRecording = false; // indicates if sound is currently being captured
        ProgressBar pb; // our progress bar recieved from layout

        while (isRecording) {
            double sum = 0;
            int readSize = recorder.read(buffer, 0, buffer.length);
            for (int i = 0; i < readSize; i++) {
                output.writeShort(buffer [i]);
                sum += buffer [i] * buffer [i];
            }
            if (readSize > 0) {
                final double amplitude = sum / readSize;
                pb.setProgress((int) Math.sqrt(amplitude));
            }
        }*/



/*        final MediaPlayer soundBell = MediaPlayer.create(this, R.raw.snoring);
        soundBell.start();

        InputStream inStream = context.getResources().openRawResource(R.raw.snoring);
        inStream.read(byte[] b)
        DataInputStream input = new DataInputStream(inStream);

        try {
            double dome[];
            for (int i = 0; i < input.; i++) {
                result[i] = is.readShort() / 32768.0;
            }
            dome = input.readDouble();
            FFT.fft(dome,dome);
        } catch (IOException e) {
            e.printStackTrace();
        }*/










        /*byte[] byteArray = new byte[] { -1, -128, 1, 127 };
        Log.d("ADebugTag", "BYYTTYTYTYTY: " + Arrays.toString(byteArray));/*//**/
//System.out.println(Arrays.toString(byteArray));

/*        try {
*//*            byte[] music = new byte[inStream.available()];
            //System.out.println(Arrays.toString(music));
           Log.d("ADebugTag", "Byte: " + Arrays.toString(music));*//*

            byte[] byteArray = new byte[] { -1, -128, 1, 127 };
            System.out.println(Arrays.toString(byteArray));
        } catch (IOException e) {
            e.printStackTrace();
        }*/