android-calculatorpp/android-app-core/res/values/ids.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <item type="id" name="cpp_button_1"/>
    <item type="id" name="cpp_button_2"/>
    <item type="id" name="cpp_button_3"/>
    <item type="id" name="cpp_button_4"/>
    <item type="id" name="cpp_button_5"/>
    <item type="id" name="cpp_button_6"/>
    <item type="id" name="cpp_button_7"/>
    <item type="id" name="cpp_button_8"/>
    <item type="id" name="cpp_button_9"/>
    <item type="id" name="cpp_button_0"/>

    <item type="id" name="cpp_button_period"/>
    <item type="id" name="cpp_button_round_brackets"/>
    <item type="id" name="cpp_button_settings"/>
    <item type="id" name="cpp_button_like"/>
    <item type="id" name="cpp_button_left"/>
    <item type="id" name="cpp_button_right"/>
    <item type="id" name="cpp_button_vars"/>
    <item type="id" name="cpp_button_functions"/>
    <item type="id" name="cpp_button_operators"/>
    <item type="id" name="cpp_button_app"/>
    <item type="id" name="cpp_button_history"/>
    <item type="id" name="cpp_button_multiplication"/>
    <item type="id" name="cpp_button_division"/>
    <item type="id" name="cpp_button_plus"/>
    <item type="id" name="cpp_button_subtraction"/>
    <item type="id" name="cpp_button_percent"/>
    <item type="id" name="cpp_button_power"/>
    <item type="id" name="cpp_button_clear"/>
    <item type="id" name="cpp_button_erase"/>
    <item type="id" name="cpp_button_copy"/>
    <item type="id" name="cpp_button_paste"/>
    <item type="id" name="cpp_button_equals"/>

</resources>