<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
 xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.batuhan.qrcodereader.ActivityUserProfile"

android:paddingLeft="16dp"
android:paddingRight="16dp"
android:paddingTop="16dp"
android:paddingBottom="16dp">
</Relativelayout>

public class ActivityUserProfile extends AppCompatActivity {


private ZXingScannerView scannerView;


public static final String LOGIN_URL = "http://www.HHH.com/QR_Users_Select.php";

public static final String KEY_USERNAME = "username";
public static final String KEY_PASSWORD = "password";


private TextView txt_ViewUsername;
public static EditText edt_Productname;
public static EditText edt_Productcode;
public static EditText edt_Productweight;
public static EditText edt_Productprice;

private Button btn_addToCart;
private Button btn_Scan;
private Button btn_seeProd;

String resultCode;

public String prodName;
public String prodCode;
public String prodWeight;
public String prodPrice;

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

    txt_ViewUsername = (TextView) findViewById(R.id.txt_ViewUsername);
    edt_Productname  = (EditText) findViewById(R.id.edt_ProdName);
    edt_Productcode  = (EditText) findViewById(R.id.edt_ProdCode);
    edt_Productweight= (EditText) findViewById(R.id.edt_ProdWeight);
    edt_Productprice = (EditText) findViewById(R.id.edt_ProdPrice);

    edt_Productcode.setEnabled(true);
    edt_Productname.setEnabled(true);
    edt_Productweight.setEnabled(true);
    edt_Productprice.setEnabled(true);

    Intent i = getIntent();
    txt_ViewUsername.setText("Sayın "+ i.getStringExtra(ActivityUserProfile.KEY_USERNAME) +" marketimize hoşgeldiniz.");



    btn_Scan = (Button) findViewById(R.id.btn_scan);
    btn_Scan.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
           scanCode();

        }
    });


    btn_seeProd = (Button) findViewById(R.id.btn_seeProd);
    btn_seeProd.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {

            Intent intent = new Intent(getApplicationContext(),ProductView.class);
            startActivity(intent);
        }
    });




    btn_addToCart = (Button) findViewById(R.id.btn_addToCart);
    btn_addToCart.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {

            ...
        }
    });
}

public void scanCode()
{
    scannerView  = new ZXingScannerView(this);
    scannerView.setResultHandler(new ZXingScannerResultHandler());

    setContentView(scannerView);
    scannerView.startCamera();

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


    if (scannerView != null) {
        scannerView.stopCamera();
        scannerView = null;
    }


}



public class ZXingScannerResultHandler implements ZXingScannerView.ResultHandler
{
    @Override
    public void handleResult(Result result){
        try{

            resultCode = result.getText();
            Log.i("Bilgi","ResultCode -> "+resultCode );
            setContentView(R.layout.activity_user_profile);
            scannerView.removeAllViews();
            scannerView.stopCamera();

            String [] chars = resultCode.split(":");
            Log.i("counter",chars.length+"");
            Log.i("company",chars[1]);

            prodName = chars[1];
            prodCode = chars[3];
            prodWeight =chars[5];
            prodPrice = chars[7];



            EditText product_name_text  = (EditText) findViewById(R.id.edt_ProdName);
            EditText product_code_text  = (EditText) findViewById(R.id.edt_ProdCode);
            EditText product_weight_text= (EditText) findViewById(R.id.edt_ProdWeight);
            EditText product_price_text = (EditText) findViewById(R.id.edt_ProdPrice);

            product_name_text.setText(prodName);
            product_code_text.setText(prodCode);
            product_weight_text.setText(String.valueOf(prodWeight));
            product_price_text.setText(String.valueOf(prodPrice));

        } catch (NullPointerException nu) {
            Toast.makeText(ActivityUserProfile.this,"Gelen data düzenli değil!",Toast.LENGTH_LONG).show();
        } catch (Exception ex){
            Toast.makeText(ActivityUserProfile.this,"Okuyucuda problem oluştu!",Toast.LENGTH_LONG).show();
            Log.e("errors",ex.getMessage());
        }
    }
}