Helps to enter another Scene

xoceunder · May 8, 2017, 6:48pm

This is my test code

main.brs

'********** Copyright 2016 Roku Corp.  All Rights Reserved. **********

sub RunUserInterface()
  screen = CreateObject("roSGScreen")
  m.port = CreateObject("roMessagePort")
  screen.setMessagePort(m.port)
  scene = screen.CreateScene("MenuList")
  
  screen.show()

  while(true)
    msg = wait(0, m.port)
    msgType = type(msg)
    if msgType = "roSGNodeEvent"
      if msg.isScreenClosed() then return
    end if
  end while

end sub

MenuScene.xml

<?xml version = "1.0" encoding = "utf-8" ?>

<component name = "MenuList" extends = "Scene" initialFocus = "Buttons" >

  <script type = "text/brightscript" >

    <![CDATA[

    sub init()
      m.top.backgroundURI = "pkg:/images/rsgde_bg_hd.jpg"

      m.top.setFocus(true)
    end sub
 
   ' on Button press selected
   Sub onItemSelected()
   
 print "Boton "; m.top.itemSelected
    if m.top.itemSelected = 0
 
 m.scene.findNode("epgGridScene")
 else if m.top.itemSelected = 1
 
    end if
   End Sub
  

    ]]>

  </script>
  
    <interface>
        <!-- Button press handler -->
        <field id="itemSelected" type="integer" alwaysnotify="true" alias="Buttons.itemSelected" onChange="onItemSelected" />
    </interface>

  <children >
  
     <LabelList
            id="Buttons"
 focusRow = "0"
 itemSize = "[440,48]"
            translation="[150,150]"
            color="0xFFFFFFFF"
            focusedColor="0x333333FF"
            numRows="5"
            sectionDividerHeight = "48.0"
            sectionDividerFont = "font:MediumBoldSystemFont"
            sectionDividerTextColor = "0x880088FF">

      <ContentNode role = "content" >
        <ContentNode title = "Livetv" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png"/>
        <ContentNode title = "Movies" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png"/>
        <ContentNode title = "Series" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png"/>
        <ContentNode title = "Events" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png" />
 <ContentNode title = "Adutls" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png" />
 <ContentNode title = "Sports" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png" />
        <ContentNode title = "Setings" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png" />
 
      </ContentNode>

    </LabelList>

  </children>

</component>

epgGridScene.xml

<?xml version="1.0" encoding="utf-8" ?> 

<!--********** Copyright 2015 Roku Corp.  All Rights Reserved. **********-->

<component name="epgGridScene" extends="Scene">

   <children>
    <Video
    id="Video"
    translation = "[1100, 70]"
    width = "760"
    height= "340"/>
      <!-- EPG Grid -->
      <customEPGGrid />
   </children>
</component>

But I’m throwing this error

BrightScript Micro Debugger.
Enter any BrightScript statement, debug commands, or HELP.

Suspending threads…
Thread selected: 1* pkg:/components/MenuScene.xml(30) m.scene.findNode(“epgGridScene”)

Current Function:
025: Sub onItemSelected()
026: ’ first button is Play
027: print "Boton "; m.top.itemSelected
028: if m.top.itemSelected = 0
029: 'print "Second 1 "
030:* m.scene.findNode(“epgGridScene”)
031: else if m.top.itemSelected = 1
032: 'print "Second 2 "
033: end if
034: End Sub
Interface not a member of BrightScript Component (runtime error &hf3) in pkg:/components/MenuScene.xml(30)
030: m.scene.findNode(“epgGridScene”)
Backtrace:
#0 Function onitemselected() As Void
file/line: pkg:/components/MenuScene.xml(30)
Local Variables:
global Interface:ifGlobal
m roAssociativeArray refcnt=2 count:2
Threads:
ID Location Source Code
0 pkg:/source/main.brs(12) msg = wait(0, m.port)
1* pkg:/components/MenuScene.xml(30) m.scene.findNode(“epgGridScene”)
*selected

destruk · May 8, 2017, 11:07pm

AFAIK you can only have one extends=“scene” component.
The component element requires 2 things – a unique name, and “Extends” - The name of the built-in node class, or extended component, that the component extends
If you want multiple screens, use extends=“Group”, or extends=“Task”, or the name of the node is based upon for your modifications.

xoceunder · May 8, 2017, 11:12pm

“destruk” wrote:
AFAIK you can only have one extends=“scene” component.
The component element requires 2 things – a unique name, and “Extends” - The name of the built-in node class, or extended component, that the component extends
If you want multiple screens, use extends=“Group”, or extends=“Task”, or the name of the node is based upon for your modifications.
I do not quite understand what you mean, you could explain where to change that please

destruk · May 8, 2017, 11:22pm

I can’t write all the code for you but these files ought to help -

MenuList.xml (extension of scene and main home screen of the scenegraph)

<?xml version = "1.0" encoding = "utf-8" ?>

<component name = "MenuList" extends = "Scene" initialFocus = "Buttons" >

  <script type = "text/brightscript" >

    <![CDATA[

    sub init()
      m.top.backgroundURI = "pkg:/images/rsgde_bg_hd.jpg"
      m.grid=m.top.findNode("epgGridScene")
      m.labellist=m.top.findNode("Buttons")
      m.labellist.setFocus(true)
    end sub
 
   ' on Button press selected
   Sub onItemSelected()
   
 print "Button "; m.labbellist.itemSelected
    if m.labellist.itemSelected = 0
  m.grid.visible=TRUE
 'm.grid.setfocus(TRUE)
 else if m.labellist.itemSelected = 1
  m.grid.visible=FALSE
    end if
   End Sub
  

    ]]>

  </script>
  
    <interface>
        <!-- Button press handler -->
        <field id="itemSelected" type="integer" alwaysnotify="true" alias="Buttons.itemSelected" onChange="onItemSelected" />
    </interface>

  <children >
  
     <LabelList
            id="Buttons"
 focusRow = "0"
 itemSize = "[440,48]"
            translation="[150,150]"
            color="0xFFFFFFFF"
            focusedColor="0x333333FF"
            numRows="5"
            sectionDividerHeight = "48.0"
            sectionDividerFont = "font:MediumBoldSystemFont"
            sectionDividerTextColor = "0x880088FF">

      <ContentNode role = "content" >
        <ContentNode title = "Livetv" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png"/>
        <ContentNode title = "Movies" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png"/>
        <ContentNode title = "Series" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png"/>
        <ContentNode title = "Events" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png" />
 <ContentNode title = "Adutls" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png" />
 <ContentNode title = "Sports" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png" />
        <ContentNode title = "Setings" HDLISTITEMICONSELECTEDURL="pkg:/images/icon-logo-design-small.png" HDLISTITEMICONURL = "pkg:/images/icon-logo-design-small.png" />
 
      </ContentNode>

    </LabelList>
<!-- epgGridScreen -->
<epgGridScreen
 id="epgGridScreen"
 visible="FALSE"/>

  </children>

</component>

epgGridScreen.xml extends Group -

<?xml version="1.0" encoding="utf-8" ?> 

<!--********** Copyright 2015 Roku Corp.  All Rights Reserved. **********-->

<component name="epgGridScreen" extends="Group">

   <children>
    <Video
    id="Video"
    translation = "[1100, 70]"
    width = "760"
    height= "340"/>
      <!-- EPG Grid -->
      <customEPGGrid />
   </children>
</component>

xoceunder · May 8, 2017, 11:45pm

=================================================================
Error creating XML component MenuList
– Could not create node of unknown type “epgGridScreen”
– Error found at line 37 of file pkg:/components/MenuList.xml

line 37 =

xoceunder · May 8, 2017, 11:53pm

When placing this as you say it does not work already the menulist works you the epgGridScene button

this code example
destruk:
https://www.dropbox.com/s/2nhqdyof78hd7 … e.zip?dl=0

xoceunder · May 9, 2017, 1:07am

Could help me to make this work

MenuListExample.zip

xoceunder · May 9, 2017, 4:08am

I have a problem that when entering the epg grid I do not want to work and neither return to the menulist

xoceunder · May 9, 2017, 2:09pm

Someone could help me with the test code that I’m testing that does not want me to work

Topic		Replies	Views
Beta Scene Graph Components Archived roku-developer-program	221	4	November 30, 2016
How to open multiple scenegraph Archived roku-developer-program	5	0	April 30, 2017
No such node error on SceneGraphTutorial Archived roku-developer-program	8	0	March 15, 2024
EPG Grid Documentation Archived roku-developer-program	2	1	August 24, 2016
Error parsing XML component MainScene.xml Archived roku-developer-program	1	0	May 11, 2020

Helps to enter another Scene

================================================================= Error creating XML component MenuList – Could not create node of unknown type “epgGridScreen” – Error found at line 37 of file pkg:/components/MenuList.xml

Related topics

=================================================================
Error creating XML component MenuList
– Could not create node of unknown type “epgGridScreen”
– Error found at line 37 of file pkg:/components/MenuList.xml