Barcode Scanner sample

 main.xml 


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" android:orientation="vertical" android:layout_gravity="center">
<TextView
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    android:gravity="center" android:textSize="25sp"/>
<Button android:text="Scan QR Code" android:id="@+id/scanner" android:layout_width="wrap_content"

android:layout_height="wrap_content" android:gravity="center" android:layout_gravity="center_horizontal"></Button>
<Button android:text="Scan BAR Code" android:id="@+id/scanner2" android:layout_width="wrap_content"

android:layout_height="wrap_content" android:gravity="center" android:layout_gravity="center_horizontal"></Button>
</LinearLayout>


AndroidScanner.java 

package com.as400samplecode;

import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class AndroidScanner extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
      
        try {
            Button scanner = (Button)findViewById(R.id.scanner);
            scanner.setOnClickListener(new OnClickListener() {
              
                public void onClick(View v) {
                    Intent intent = new Intent("com.google.zxing.client.android.SCAN");
                    intent.putExtra("SCAN_MODE", "QR_CODE_MODE");
                    startActivityForResult(intent, 0);
                }

            });
          
            Button scanner2 = (Button)findViewById(R.id.scanner2);
            scanner2.setOnClickListener(new OnClickListener() {
              
                public void onClick(View v) {
                    Intent intent = new Intent("com.google.zxing.client.android.SCAN");
                    intent.putExtra("SCAN_MODE", "PRODUCT_MODE");
                    startActivityForResult(intent, 0);
                }

            });
          
        } catch (ActivityNotFoundException anfe) {
            Log.e("onCreate", "Scanner Not Found", anfe);
        }
      
    }
  
    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
        if (requestCode == 0) {
            if (resultCode == RESULT_OK) {
                String contents = intent.getStringExtra("SCAN_RESULT");
                String format = intent.getStringExtra("SCAN_RESULT_FORMAT");
                // Handle successful scan
                Toast toast = Toast.makeText(this, "Content:" + contents + " Format:" + format , Toast.LENGTH_LONG);
                toast.setGravity(Gravity.TOP, 25, 400);
                toast.show();
            } else if (resultCode == RESULT_CANCELED) {
                // Handle cancel
                Toast toast = Toast.makeText(this, "Scan was Cancelled!", Toast.LENGTH_LONG);
                toast.setGravity(Gravity.TOP, 25, 400);
                toast.show();
              
            }
        }
    }

}