Qr code Reading On your Application example

To create your Qrcode reader You must download the Native zxing qrcode application source code its open source and you can use it anywhere download the source code and import to your workspace

 

the native qrcode reader download from here

And import the native android project into your eclipse and right click on the project as shown in the above picture and goto the project properties.there is a window will appear in that window tick the is library check box and press then the project is now as library project 

now you can use the library project into your application

And Create your qrcode reader project

And right click on your project

Select project properties 

in the window u click the add button

And the select the native library project and click ok

Then the library project will appear below the property window then click the ok button 

now you can access the all features in the native qrcode reader

this is my project

I created a project with name SCANNERMY  With class Name Scanning

and Write the code as shown below

package com.inzane.activitiy;

import com.inzane.scanner.R;


import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.widget.TextView;
import android.widget.Toast;

public class Scanning extends Activity {

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_scanning);

Intent intent = new Intent("com.google.zxing.client.android.SCAN");
startActivityForResult(intent, 0);
}

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");
Toast.makeText(this, contents,Toast.LENGTH_LONG).show();
// Handle successful scan
} else if (resultCode == RESULT_CANCELED) {
//Handle cancel
}
}
}
}

the layout is 

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".Scanning" >

</RelativeLayout>

the Manifest.xml is

 <?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.inzane.scanner"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="9" />

    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.FLASHLIGHT" />
    <uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="com.android.browser.permission.READ_HISTORY_BOOKMARKS"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>

<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
 

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.inzane.activitiy.Scanning"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name="com.google.zxing.client.android.CaptureActivity"
              android:screenOrientation="landscape"
              android:clearTaskOnLaunch="true"
              android:stateNotNeeded="true"
              android:configChanges="orientation|keyboardHidden"
              android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
              android:windowSoftInputMode="stateAlwaysHidden">
              <intent-filter>
                <action android:name="com.google.zxing.client.android.SCAN"/>
                <category android:name="android.intent.category.DEFAULT"/>
              </intent-filter>
        </activity>


      
    </application>

</manifest>

And you can run your project

a toast will be appear in your application that is the qrcode scanning result 

Thank you