issue

import android.app.Fragment;
import android.media.Ringtone;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;

import java.util.ArrayList;
import java.util.List;

import me.dm7.barcodescanner.zxing.ZXingScannerView;

public class CameraFragment extends Fragment implements ZXingScannerView.ResultHandler {
    private static final String FLASH_STATE = "FLASH_STATE";
    private static final String SELECTED_FORMATS = "SELECTED_FORMATS";

    private ZXingScannerView mScannerView;
    private boolean mFlash;
    private ArrayList<Integer> mSelectedIndices;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle state) {
        mScannerView = new ZXingScannerView(getActivity());
        if(state != null) {
            mFlash = state.getBoolean(FLASH_STATE, false);
            mSelectedIndices = state.getIntegerArrayList(SELECTED_FORMATS);
        } else {
            mFlash = false;
            mSelectedIndices = null;
        }
        setupFormats();
        return mScannerView;
    }

    @Override
    public void onCreate(Bundle state) {
        super.onCreate(state);
    }

    public void onCreateOptionsMenu (Menu menu, MenuInflater inflater) {
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        return false;
    }

    @Override
    public void onResume() {
        super.onResume();
        mScannerView.setResultHandler(this);
        mScannerView.startCamera();
        mScannerView.setFlash(mFlash);
        mScannerView.setAutoFocus(true);
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putBoolean(FLASH_STATE, mFlash);
        outState.putIntegerArrayList(SELECTED_FORMATS, mSelectedIndices);
    }

    @Override
    public void handleResult(Result rawResult) {
        Toast.makeText(getActivity(), "Contents = " + rawResult.getText() + ", Format = " + rawResult.getBarcodeFormat().toString(), Toast.LENGTH_LONG).show();
    }

    public void setupFormats() {
        List<BarcodeFormat> formats = new ArrayList<BarcodeFormat>();
        if(mSelectedIndices == null || mSelectedIndices.isEmpty()) {
            mSelectedIndices = new ArrayList<Integer>();
            for(int i = 0; i < ZXingScannerView.ALL_FORMATS.size(); i++) {
                mSelectedIndices.add(i);
            }
        }

        for(int index : mSelectedIndices) {
            formats.add(ZXingScannerView.ALL_FORMATS.get(index));
        }
        if(mScannerView != null) {
            mScannerView.setFormats(formats);
        }
    }

    @Override
    public void onPause() {
        super.onPause();
        mScannerView.stopCamera();
    }


}