Hey! I've found the solution myself again.)) I answered it at StackOverflow:
https://stackoverflow.com/questions/25340593/issue-with-fullscreen-mode-in-android-with-qt-5-3-1/59469941#59469941
Here is my result:
[image: a9c17807-5dca-43b9-9e8b-fa07d5273341.jpg]
The status and navigation bars are hidden:
[image: 05cf1eee-75f5-45df-aca8-639a5b0b7bb6.jpg]