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������ ZXing ���

compile 'com.google.zxing:zxing:[$ZXING_VERSION$]'
compile 'com.google.zxing:zxing.AddParameter:[$ZXING_VERSION$]'
compile 'com.google.zxing:zxing.encoding:[$ZXING_VERSION$]'

������ CaptureActivity

������ BarCodeTestActivity

public class BarCodeTestActivity extends Activity {
    private TextView resultTextView;
    private EditText qrStrEditText;
    private ImageView qrImgImageView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        resultTextView = (TextView) findViewById(R.id.tv_scan_result);
        qrStrEditText = (EditText) findViewById(R.id.et_qr_string);
        qrImgImageView = (ImageView) findViewById(R.id.iv_qr_image);
        Button scanBarCodeButton = (Button) findViewById(R.id.btn_scan_barcode);
        scanBarCodeButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent openCameraIntent = new Intent(BarCodeTestActivity.this, CaptureActivity.class);
                startActivityForResult(openCameraIntent, 0);
            }
        });
        Button generateQRCodeButton = (Button) findViewById(R.id.btn_add_qrcode);
        generateQRCodeButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                try {
                    String contentString = qrStrEditText.getText().toString();
                    if (!contentString.isEmpty()) {
                        Bitmap qrCodeBitmap = EncodingHandler.createQRCode(contentString, 350);
                        qrImgImageView.setImageBitmap(qrCodeBitmap);
                    } else {
                        Toast.makeText(BarCodeTestActivity.this, "Text can not be empty", Toast.LENGTH_SHORT).show();
                    }
                } catch (WriterException e) {
                    e.printStackTrace();
                }
            }
        });
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == RESULT_OK && requestCode == 0) {
            Bundle bundle = data.getExtras();
            String scanResult = bundle.getString("result");
            resultTextView.setText(scanResult);
        }
    }
}

������ MainActivity

public class MainActivity extends Activity {
    private Button scanButton;
    private TextView text;
    private EditText input;
    private Button genButton;
    private ImageView img;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        scanButton = (Button) findViewById(R.id.scan);
        text = (TextView) findViewById(R.id.text);
        input = (EditText) findViewById(R.id.input);
        genButton = (Button) findViewById(R.id.gen);
        img = (ImageView) findViewById(R.id.img);
        scanButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View arg0) {
                Toast.makeText(MainActivity.this, "������������������������������������������", Toast.LENGTH_SHORT).show();
                Intent startScan = new Intent(MainActivity.this, CaptureActivity.class);
                startActivityForResult(startScan, 0);
            }
        });
        genButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View arg0) {
                String in = input.getText().toString();
                if (in.isEmpty()) {
                    Toast.makeText(MainActivity.this, "���������������", Toast.LENGTH_SHORT).show();
                } else {
                    try {
                        Bitmap qrcode = EncodingHandler.createQRCode(in, 400);
                        img.setImageBitmap(qrcode);
                    } catch (WriterException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == RESULT_OK) {
            String result = data.getExtras().getString("result");
            text.setText(result);
        }
    }
}

������ CaptureActivity

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