QR코드 스캔

ㅇ Activity
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
  new IntentIntegrator(this).initiateScan();
}

/**
 * QRCode 스캔
 * @param requestCode
 * @param resultCode
 * @param data
 */

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {

    // QR코드/바코드를 스캔한 결과 값을 가져옵니다.
    IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);

    // 결과값 출력
    new AlertDialog.Builder(this)
            .setTitle(R.string.app_name)
            .setMessage(result.getContents())
            .setPositiveButton("확인", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    dialog.dismiss();
                }
            }).show();

    super.onActivityResult(requestCode, resultCode, data);
}
ㅇ AndroidManifest.xml
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.FLASHLIGHT"/>

<uses-feature android:name="android.hardware.camera"/>
<uses-permission android:name="android.permission.INTERNET" />