jf-roku/components/config/SetServerScreen.xml

<?xml version="1.0" encoding="utf-8"?>
<component name="SetServerScreen" extends="JFGroup">
  <interface>
    <field id="serverUrl" type="string" alias="serverUrlTextbox.text" />
    <field id="serverWidth" alias="serverUrlOutline.width,serverUrlTextbox.width,serverUrlContainer.width,submitSizer.width" value="1620" />
    <field id="serverHeight" alias="serverUrlOutline.height,serverUrlTextbox.height,serverUrlContainer.height" value="60" />
    <field id="errorMessage" type="string" alias="errorMessage.text" />
  </interface>

  <children>
    <LayoutGroup translation="[150,150]" itemSpacings="40">
      <LayoutGroup>
        <label text="Connect to Server" id="prompt" font="font:LargeBoldSystemFont" />
        <label text="Pick a Jellyfin server from the local network" />
      </LayoutGroup>
      <!--background for server picker-->
      <Rectangle color="0x00000020" width="1620" height="400">
        <MarkupList id="serverPicker" translation="[50, 20]" itemComponentName="JFServer" itemSpacing="[0, 10]" itemSize="[1520, 100]" numRows="3" vertFocusAnimationStyle="floatingFocus" />
      </Rectangle>

      <label text="...or enter server URL manually:" translation="[0, 690]" />

      <Rectangle id="serverUrlContainer" color="0x00000000">
        <TextEditBox id="serverUrlTextbox" hintText="e.g. 192.168.1.100:8096 or https://example.com/jellyfin"></TextEditBox>
        <Poster id="serverUrlOutline" visible="false" uri="pkg:/images/hd_focus.9.png" />
      </Rectangle>
      <label id="errorMessage" text="" font="font:MediumSystemFont" color="#ff0000FF" />
      <LayoutGroup horizAlignment="center">
        <JFButton id="submit" minChars="30" text="Submit"></JFButton>
        <!--add a known width invisibile element to allow the button to be centered-->
        <Rectangle id="submitSizer" width="1620" height="0" color="#00000000" />
      </LayoutGroup>
    </LayoutGroup>

    <OptionsSlider id="options" />
  </children>
</component>