package net.learn2develop.barcodescanner; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.widget.Toast; public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_main, menu); return true; } public void onClick(View v) { IntentIntegrator integrator = new IntentIntegrator(this); integrator.initiateScan(); } public void onActivityResult(int requestCode, int resultCode, Intent intent) { IntentResult scanResult = IntentIntegrator.parseActivityResult( requestCode, resultCode, intent); if (scanResult != null) { //---handle scan result--- Toast.makeText(this, scanResult.getContents(), Toast.LENGTH_LONG).show(); } } }