I consider that there’s no reason to call any android code in Presenter (But you always can do it).
So in your case:
View / activity onCreate() calls -> presenter.onCreate();
Presenter onCreate() calls -> view.setTextLabel() or whatever you want in the view.
Always decouple Android SDK from presenters.
In Github, you can find some examples about MVP:
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https://github.com/pedrovgs/EffectiveAndroidUI
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https://github.com/android10/Android-CleanArchitecture
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https://github.com/PaNaVTEC/Clean-Contacts/tree/develop