I've managed to prevent my edit text from showing the keyboard when the view is entered. Now it only shows when I tap on it, this thanks to this line in my manifest (in the block dedicated to the corresponding activity) :
android:windowSoftInputMode="stateHidden"
Now I'm having the following problem, when I click the return button it doesn't hide the keyboard. What should I do ? Thanks.
EDIT : finally I solved it by adding android:imeOptions="actionDone"
in my xml layout.