import android.support.v7.app.ActionBarActivity;
import android.content.Context;
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.LinearLayout;

public class MainActivity extends ActionBarActivity {

    private static final String LOG_TAG ="AudioRecordTest";
    private static String mFileName;
    private MediaRecorder mRecorder;
    private MediaPlayer mPlayer;

    private PlayButton mPlayButton;
    private RecordButton mRecordButton;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        LinearLayout l1 = new LinearLayout(this);
        mRecordButton = new RecordButton(this);
        l1.addView(mRecordButton, new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT, 0));
        mPlayButton = new PlayButton(this);
        l1.addView(mPlayButton, new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT, 0));

        setContentView(l1);
    }

    @Override
    protected void onPause() {
        super.onPause();
        if(mRecorder != null){
            mRecorder.release();
            mRecorder = null;
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;

    }

    class RecordButton extends Button{
            public RecordButton(Context context) {
            super(context);
            // TODO Auto-generated constructor stub
            setText("Start Recording");
            setOnClickListener(clicker);
        }
            boolean mStartRecording = true;
            OnClickListener clicker = new OnClickListener() {

                @Override
                public void onClick(View v) {
                    OnRecord(mStartRecording);
                    if(mStartRecording){
                        setText("Stop Recording");

                    }
                    else{
                        setText("Start Recording");
                    }

                    mStartRecording = !mStartRecording;

            }


            };
    }

    private void OnRecord(boolean start) {
        // TODO Auto-generated method stub
        if(start){
            startRecording();
        }
        else{
            stopRecording();

        }

    }

    private void stopRecording() {
        // TODO Auto-generated method stub
        mRecorder.stop();
        mRecorder.release();
        mRecorder = null;

    }

    private void startRecording() {
        // TODO Auto-generated method stub
        mRecorder = new MediaRecorder();
        mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
        mRecorder.setOutputFile(mFileName);
        mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);

        try {
            mRecorder.prepare();
        } catch (Exception e) {
           Log.e(LOG_TAG, "Prepare() failed");

        }
        }

    class PlayButton extends Button{

        public PlayButton(Context context) {
            super(context);
            setText("Start Playing");
            setOnClickListener(clicker);
        }

        OnClickListener clicker = new OnClickListener() {

            private boolean mStartPlaying;

            @Override
            public void onClick(View v) {
                onPlay(mStartPlaying);
                if(mStartPlaying){
                    setText("Stop Playing");
                }
                else{
                    setText("Start Playing");

                }
                mStartPlaying = ! mStartPlaying;
            }

        };

    }

    private void onPlay(boolean start) {
        // TODO Auto-generated method stub
        if(start){
            startPlaying();
        }
        else{
            stopPlaying();
        }
    }

    private void stopPlaying() {
        // TODO Auto-generated method stub
        mPlayer.release();
        mPlayer = null;

    }

    private void startPlaying() {
        // TODO Auto-generated method stub
        mPlayer = new MediaPlayer();
        try {
            mPlayer.setDataSource(mFileName);
            mPlayer.prepare();
            mPlayer.start();
        } catch (Exception e) {
            Log.e(LOG_TAG, "Prepare() Failed");
        }

    }

}