Waiting for nearly 1514 ms, startCamera in the Activity

[buttonXin]

startActivity(new Intent(this, QRCodeActivity.class));

public class QRCodeActivity extends AppCompatActivity implements QRCodeReaderView.OnQRCodeReadListener { @Override public void onQRCodeRead(String text, PointF[] points) { // When code go here ， It has been a 1514 ms } } xml
<com.dlazaro66.qrcodereaderview.QRCodeReaderView android:id="@+id/qr_two_xing" android:layout_width="match_parent" android:layout_height="match_parent" />

The code stops at 1514ms in the previous activity ，The last to appear camrea ...
How fast is it displayed? Is that ok? Or I don't understand 。

[dlazaro66]

How fast is it displayed? Is that ok?

Decoding usually takes time, but bootstrapping the camera is also expensive in time so I'd say it's normal

[buttonXin]

ok, think you