Android Open Source - playground-android-video Recorder Fragment

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This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package v.app.Fragments;
//from  w  w w.j  ava2 s .c  om
import android.hardware.Camera;
import android.os.Environment;
import android.support.v4.app.Fragment;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;

import java.io.File;
import java.io.FileOutputStream;

import v.app.R;

/**
 * Created by vasanth on 26/03/14.
 */
public class RecorderFragment extends Fragment {

    private MediaRecorder mediaRecorder = new MediaRecorder();

    private Button recordButton, pauseButton, resumeButton;

    private SurfaceHolder surfaceHolder;
    private SurfaceView surfaceView;

    private Camera camera;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_recorder, container, false);

        recordButton = (Button) rootView.findViewById(R.id.recordButton);
        pauseButton = (Button) rootView.findViewById(R.id.pauseButton);
        resumeButton = (Button) rootView.findViewById(R.id.resumeButton);

        surfaceView = (SurfaceView) rootView.findViewById(R.id.surfaceView);

        initButtons();

        return rootView;
    }

    private void initButtons() {

        File mediaDirectory = Environment.getExternalStoragePublicDirectory(
                Environment.DIRECTORY_MOVIES);
        String filename = "abc.mp4";

        File file = new File(mediaDirectory, filename);

        final String path = mediaDirectory.getPath() +"/"+ filename;
        Log.v("V-app", path);

        recordButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startRecording(path);
            }
        });

        pauseButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                pauseRecording(path);
            }
        });

        resumeButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                resumeRecording();
            }
        });

    }

    public void startRecording(String path)
    {
        mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
        mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);

        //Camera camera = Camera.open();
        //mediaRecorder.setCamera(camera);
        //Log.v("V-app", camera.getParameters().toString());
        try {
        mediaRecorder.setPreviewDisplay(surfaceView.getHolder().getSurface());
        mediaRecorder.setOutputFile(path);

            mediaRecorder.prepare();
        } catch(Exception e) {
            e.printStackTrace();
        }
    }

    public void pauseRecording(String path)
    {
        mediaRecorder.stop();
        try {
            FileOutputStream pausedFile = new FileOutputStream(path);
            mediaRecorder.setOutputFile(pausedFile.getFD());
        } catch(Exception e) {
            e.printStackTrace();
        }
    }

    public void resumeRecording()
    {
        try {
            mediaRecorder.prepare();
        } catch(Exception e) {
            e.printStackTrace();
        }
        mediaRecorder.start();
    }

}

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