allprojects {
	repositories{
		jcenter()
		maven { url "https://jitpack.io" }
	}
}
	
dependencies{
	compile 'com.github.751811032:ZxingLib:v1.0'
}

<activity
	android:name="com.google.zxing.client.android.CaptureActivity"
	android:clearTaskOnLaunch="true"
	android:screenOrientation="portrait"
	android:stateNotNeeded="true"
	android:windowSoftInputMode="stateAlwaysHidden" >
	<intent-filter>
		<action android:name="com.google.zxing.client.android.SCAN" />
		<category android:name="android.intent.category.DEFAULT" />
	</intent-filter>
</activity>

Intent intent = new Intent(MainActivity.this, CaptureActivity.class);
startActivityForResult(intent, 1);

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
	switch (requestCode) {
		case 1:
			if (resultCode == RESULT_OK) {
				try {
					String result = data.getStringExtra("scan_result");
					Log.i("reesult", "resultresult:" + result);
				} catch (Exception e) {
					e.printStackTrace();
					Log.i("reesult", "scan Fail");
				}
			} else if (resultCode == RESULT_CANCELED) {
				Log.i("reesult", "scan Cancel");
			}
			break;
		default:
			break;
	}
}