user control در اندروید استودیو

<LinearLayout
android:orientation="vertical"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1">

<TextView
android:layout_width="match_parent"
android:layout_height="96dp"
android:text="New Text"
android:id="@+id/txtNumbers" />
</LinearLayout>

<LinearLayout
android:orientation="vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content" >

<Button
android:layout_width="48dp"
android:layout_height="48dp"
android:text="UP"
android:id="@+id/btnUp" />

<Button
android:layout_width="48dp"
android:layout_height="48dp"
android:text="Down"
android:id="@+id/btnDown" />
</LinearLayout>
</LinearLayout>

public class CustomeSpier extends LinearLayout {
public CustomeSpier(Context context) {
super(context);
initialize(context);
}
public CustomeSpier(Context context, AttributeSet attrs) {
super(context, attrs);
initialize(context);
}
private void initialize(Context context) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_S  ERVICE);
inflater.inflate(R.layout.custome_spier,this,tru  e);
}
}