View Object QRCode Scanner

MainActivity.java

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    
  // View Object
    private Button buttonScan;
    private TextView textViewNama, textViewTinggi;


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

        // initialize object
        buttonScan = (Button) findViewById(R.id.buttonScan);
        textViewNama = (TextView) findViewById(R.id.textViewNama);
        textViewTinggi = (TextView) findViewById(R.id.textViewTinggi);

    }