About QGroundControl Android Application

#1

Hi, guys! I built the QGroundControl Android APP by using Qt Creator and installed it in my smartphone. Every time when I launch the application, there will be blank screen which can last for about 3 seconds and then it will show the Main Activity. I tried to download the QGroundControl APP from Google Play and found it was the same.
I am just wondering why there will be this kind of blank screen? It’s because that the application needs to prepare something before execute its functions? If there any approach to solve this problem? Thank you!