allprojects {
    repositories {
        maven { url "https://jitpack.io" }
    }
}

compile 'com.github.open-android:Zxing:v1.0.3'

<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.FLASHLIGHT" />

startActivity(new Intent(MainActivity.this, CaptureActivity.class));

String content = mEt.getText().toString().trim();
Bitmap bitmap = null;
try {
    bitmap = BitmapUtils.create2DCode(content);
    mImage.setImageBitmap(bitmap);
} catch (WriterException e) {
    e.printStackTrace();
}