Capture Image from front camera without interact user

Capture.Java

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.PixelFormat;
import android.hardware.Camera;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.Gravity;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.vs2.chatsecure.Database.DatabaseFunctions;
import com.vs2.chatsecure.Objects.Globals;
import com.vs2.chatsecure.Utilities.PreferenceData;
import com.vs2.chatsecure.Utilities.Utility;
import com.vs2.chatsecure.views.CircleButton;
import com.vs2.chatsecure.views.CircleImage;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Random;
import java.util.concurrent.TimeUnit;

public class CaptureActivity extends AppCompatActivity{


    private Camera camera;
    private int cameraId = 0;

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

  

    public void initGloble() {
       
        mButtonCapture.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                captureImage();
            }
        });

    }

    public  void captureImage(){

       // display=(ImageView)findViewById(R.id.imageView1);
        if (!getPackageManager()
                .hasSystemFeature(PackageManager.FEATURE_CAMERA)) {
            Toast.makeText(this, "No camera on this device", Toast.LENGTH_LONG)
                    .show();
        } else {
            cameraId = Utility.getFrontFacingCamera();
            if (cameraId < 0) {
                Toast.makeText(this, "No front facing camera found.",
                        Toast.LENGTH_LONG).show();
            } else {
                safeCameraOpen(cameraId);
            }
        }

        SurfaceView view = new SurfaceView(this);
        try {
            camera.setPreviewDisplay(view.getHolder());
        } catch (IOException e) {
            // TODO Auto-generated catch block
            Log.e("captureImage","setPreviewDisplay");
            e.printStackTrace();
        }
        camera.startPreview();
        Camera.Parameters params = camera.getParameters();
        params.setJpegQuality(100);
        camera.setParameters(params);
        camera.takePicture(null, null, mCall);

    }

    Camera.PictureCallback mCall = new Camera.PictureCallback() {
        public void onPictureTaken(byte[] data, Camera camera) {
            //decode the data obtained by the camera into a Bitmap
            Log.e("PictureCallback","PictureCallback");
            Bitmap bitmapPicture = BitmapFactory.decodeByteArray(data, 0, data.length);
           // display.setImageBitmap(bitmapPicture);
            try {
                SaveImage(bitmapPicture);
            }catch (Exception e){

            }
        }
    };

    private void SaveImage(Bitmap finalBitmap) {
        Log.e("SaveImage","SaveImage");
        String root = Environment.getExternalStorageDirectory().toString();
        File myDir = new File(root + "/ChatSecure");
        myDir.mkdirs();
        Random generator = new Random();
        int n = 10000;
        n = generator.nextInt(n);
        String fname = "Image-"+ n +".jpg";
        File file = new File(myDir, fname);
        if (file.exists ()) file.delete ();
        try {
            FileOutputStream out = new FileOutputStream(file);
            finalBitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
            out.flush();
            out.close();

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

        Log.e("SaveImage","Path: "+file.getAbsolutePath());
    }

    @Override
    protected void onPause() {
        releaseCamera();
        super.onPause();
    }

    @Override
    protected void onDestroy() {
        releaseCamera();
        super.onDestroy();
    }

    private boolean safeCameraOpen(int id) {
        boolean qOpened = false;
        try {
            Log.e("safeCameraOpen","safeCameraOpen");
            releaseCamera();
            camera = Camera.open(id);
            qOpened = (camera != null);
        } catch (Exception e) {
            Log.e(getString(R.string.app_name), "failed to open Camera");
            e.printStackTrace();
        }
        return qOpened;
    }
    private void releaseCamera() {
        if (camera != null) {
            camera.stopPreview();
            camera.release();
            camera = null;
        }
    }


}