VideoCapturing.java

package com.customcamera;

import android.app.Activity;
import android.content.pm.PackageManager;
import android.hardware.Camera;
import android.media.CamcorderProfile;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.FrameLayout;
import android.widget.Toast;

import java.io.IOException;

import static android.os.Environment.DIRECTORY_DOWNLOADS;

public class VideoCapturing extends Activity {

    private FrameLayout frameCamera;
    private Camera camera;
    private CameraPreview cameraPreview;
    private Button btnCapVideo;
    private boolean isRecording = false;
    MediaRecorder mMediaRecorder;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_video_capturing);
        frameCamera = (FrameLayout) findViewById(R.id.frameCamera);
        btnCapVideo=(Button)findViewById(R.id.btnCapVideo);

        if (checkCameraHardware()) {
            camera=getCameraInstance();
            cameraPreview=new CameraPreview(VideoCapturing.this,camera,0);
            frameCamera.addView(cameraPreview);
        } else {
            Toast.makeText(getApplicationContext(), "Device not support camera feature", Toast.LENGTH_SHORT).show();
        }

        btnCapVideo.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (isRecording) {
                    // stop recording and release camera
                    mMediaRecorder.stop();  // stop the recording
                    releaseMediaRecorder(); // release the MediaRecorder object
                    camera.lock();         // take camera access back from MediaRecorder

                    // inform the user that recording has stopped
                    btnCapVideo.setText("Capture");
                    isRecording = false;
                } else {
                    // initialize video camera
                    if (prepareVideoRecorder()) {
                        // Camera is available and unlocked, MediaRecorder is prepared,
                        // now you can start recording
                        mMediaRecorder.start();

                        // inform the user that recording has started
                        btnCapVideo.setText("Stop");
                        isRecording = true;
                    } else {
                        // prepare didn't work, release the camera
                        releaseMediaRecorder();
                        // inform user
                    }
                }
            }
        });

    }
    private boolean checkCameraHardware() {

        if (getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA)) {
            return true;
        } else {
            return false;
        }
    }

    private Camera getCameraInstance() {
        Camera camera = null;
        try {
            camera = Camera.open();
        } catch (Exception e) {
            Log.d("tag","Error setting camera not open "+ e);
        }
        return camera;
    }
    private boolean prepareVideoRecorder(){


        mMediaRecorder = new MediaRecorder();

        // Step 1: Unlock and set camera to MediaRecorder
        camera.unlock();
        mMediaRecorder.setCamera(camera);

        // Step 2: Set sources
        mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
        mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);

        // Step 3: Set a CamcorderProfile (requires API Level 8 or higher)
        mMediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));

        // Step 4: Set output file
        mMediaRecorder.setOutputFile(Environment.getExternalStoragePublicDirectory(DIRECTORY_DOWNLOADS)+"/"+System.currentTimeMillis()+".MP4");

        // Step 5: Set the preview output
        mMediaRecorder.setPreviewDisplay(cameraPreview.getHolder().getSurface());

        // Step 6: Prepare configured MediaRecorder
        try {
            mMediaRecorder.prepare();
        } catch (IllegalStateException e) {
            Log.d("tag", "IllegalStateException preparing MediaRecorder: " + e.getMessage());
            releaseMediaRecorder();
            return false;
        } catch (IOException e) {
            Log.d("tag", "IOException preparing MediaRecorder: " + e.getMessage());
            releaseMediaRecorder();
            return false;
        }
        return true;
    }
    private void releaseMediaRecorder(){
        if (mMediaRecorder != null) {
            mMediaRecorder.reset();   // clear recorder configuration
            mMediaRecorder.release(); // release the recorder object
            mMediaRecorder = null;
            camera.lock();           // lock camera for later use
        }
    }

}