The current documentation and forum content is very understandably skewed toward the wealth of Roku information prior to the emergence of SceneGraph. SceneGraph content is there, but there's a lot of content that must be discarded to locate the detail you need.
For example, if you're keen to get on top of changing screens, the first section of the documentation, the Developer Guide, has information on working with screens:
https://sdkdocs.roku.com/display/sdkdoc/Working+with+ScreensThat page comes with the warning that it "
applies to non-Scene Graph based channels only", and provides a link to controlling the screen program flow:https://sdkdocs.roku.com/display/sdkdoc/Controlling+Screen+Program+Flow[/url:2tybnke1]
Not having to ...
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Craig Sharkie
Connected TV Lead, Engineering – EDS & OD
sbs.com.au
