import android.graphics.drawable.Drawable;
import android.os.Bundle;
// If we don't use `android.support.v7.app.AlertDialog` instead of `android.app.AlertDialog` then the dialog will be covered by the keyboard.
import android.graphics.drawable.Drawable;
import android.os.Bundle;
// If we don't use `android.support.v7.app.AlertDialog` instead of `android.app.AlertDialog` then the dialog will be covered by the keyboard.