PairingScannerActivity.java

package eu.se_bastiaan.popcorntimeremote.activities;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;

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

import java.util.Arrays;

import eu.se_bastiaan.popcorntimeremote.R;
import eu.se_bastiaan.popcorntimeremote.models.ScanModel;
import me.dm7.barcodescanner.zxing.ZXingScannerView;

public class PairingScannerActivity extends AppCompatActivity implements ZXingScannerView.ResultHandler {

    public static Integer SCAN = 1440, SUCCESS = 1441;

    private ZXingScannerView scannerView;

    @Override
    public void onCreate(Bundle state) {
        super.onCreate(state);
        scannerView = new ZXingScannerView(this);
        setContentView(scannerView);
    }

    @Override
    public void onResume() {
        super.onResume();
        scannerView.setResultHandler(this);
        scannerView.startCamera();
    }

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

    @Override
    public void handleResult(Result rawResult) {
        try {
            String json = rawResult.getText();
            Gson gson = new Gson();
            ScanModel model = gson.fromJson(json, ScanModel.class);

            Intent intent = new Intent();
            intent.putExtra("result", model);
            setResult(SUCCESS, intent);
            finish();
        } catch (RuntimeException e) {
            e.printStackTrace();
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if(item.getItemId() == android.R.id.home) {
            finish();
        }

        return super.onOptionsItemSelected(item);
    }

}