Android : unresolved packages and class

Question

in my AndroidManifest.xml, my receiver, service and activities are not found,

it should find en.company.android.name.myclass

however it says my packages(en, company, android, name) are unresolved, and so is the class inside of it.

here is the structure that it should find :

exemple in my AndroidManifest :

<receiver android:name="en.company.android.name.SimpleWakefulReceiver" android:permission="com.google.android.c2dm.permission.SEND">

Answer 1

go to project file location, and delete build folder, reopen you project, it work for me;