sample/src/main/java/example/zxing/MainActivity.java


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package example.zxing;

import android.content.Intent;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;


public class MainActivity extends ActionBarActivity {

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

    public void scanBarcode(View view) {
        IntentIntegrator.initiateScan(this);
    }

    public void scanBarcodeCustomLayout(View view) {
        Intent intent = IntentIntegrator.createScanIntent(this);
        IntentIntegrator.setCaptureLayout(intent, R.layout.custom_capture_layout);
        IntentIntegrator.startIntent(intent, this);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
        if(result != null) {
            if(result.getContents() == null) {
                Toast.makeText(this, "Cancelled", Toast.LENGTH_LONG).show();
            } else {
                Toast.makeText(this, "Scanned: " + result.getContents(), Toast.LENGTH_LONG).show();
            }

        }
    }
}