<fc.com.zxing.core.view.FcScanView
            android:id="@+id/fc_scan_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            scan:vibrate="false"
            scan:playBeep="true"
            scan:invertScan="false"
            scan:frontLightMode="off"
            scan:autoFocus="true"
            scan:decodeFormat="decode_PDF417|decode_QR"
            scan:frameScale="0.63"/>

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    fcScanView = (FcScanView) findViewById(R.id.fc_scan_view);
    fcScanView.setFcScanListener(new FcScanView.FcScanListener() {
        @Override
        public void onHandleDecode(Result rawResult, Bitmap barcode, float scaleFactor) {
            //do something...
        }
    });
    fcScanView.initOnActivity(this);
}

@Override
protected void onStart() {
    super.onStart();
    fcScanView.start();
}

@Override
protected void onStop() {
    super.onStop();
    fcScanView.release();
}

@Override
protected void onDestroy() {
    super.onDestroy();
    fcScanView.release();
}