Vectras-VM-Android/app/src/main/res/xml/qemu.xml

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <PreferenceCategory
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:title="QEMU"
        app:icon="@drawable/ic_qemu">

        <SwitchPreferenceCompat
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:defaultValue="false"
            android:key="customMemory"
            android:title="CUSTOM MEMORY"
            app:icon="@drawable/round_build_24" />
        <EditTextPreference
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:defaultValue="512"
            android:inputType="number"
            android:key="memory"
            android:selectAllOnFocus="true"
            android:singleLine="true"
            android:title="MEMORY"
            app:icon="@drawable/round_memory_24" />
        <SwitchPreferenceCompat
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:defaultValue="true"
            android:key="MTTCG"
            android:title="MTTCG"
            app:icon="@drawable/ic_mttcg" />
        <ListPreference
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:defaultValue="1"
            android:entries="@array/cpuCoresLabels"
            android:entryValues="@array/cpuCoresValues"
            android:key="cpuNum"
            android:title="CPU CORES"
            app:icon="@drawable/round_hub_24" />
    </PreferenceCategory>
</PreferenceScreen>