How can I set a icon for my application builed on android platform

[xsjqqq123]

it do nothing when I set a icon for android application.And I have searched all the internet but can't find any anser.I try to edit AndroidManifest.xml file through Qt Creator,but when I built the project ,all the settings are overwrite.
how can I set it?
thanks for your beautiful anser~~

[Gianluca]

Where are you tried to setup the icon ??
I usually set it directly from the Qt Creator and works.

[xsjqqq123]

I have solve it.We can't edit the AndroidManifest.xml created Automatically when built,should use the "project" tab on the left of Qt creator to creat a new AndroidManifest.xml,