Applying tiled background to container or page in #BB10 Cascades

tiledBGContainer.qml

Container {
    id: rootContainer
    background: back.imagePaint
    attachedObjects: [
        ImagePaintDefinition {
            id: back
            repeatPattern: RepeatPattern.XY
            imageSource: "asset:///container/tiled/core16x16"
        }
    ]
}

tiledBGPages.qml

Page {
    id: tab1
    background: t1bg.imagePaint
    attachedObjects: [
        ImagePaintDefinition {
            id: t1bg
            repeatPattern: RepeatPattern.XY
            imageSource: "asset:///container/tiled/core16x16"
        }
    ]
}

Page {
    id: tab2
    background: t2bg.imagePaint
    attachedObjects: [
        ImagePaintDefinition {
            id: t2bg
            repeatPattern: RepeatPattern.XY
            imageSource: "asset:///container/tiled/core16x16"
        }
    ]
}

Page {
    id: tab3
    background: t3bg.imagePaint
    attachedObjects: [
        ImagePaintDefinition {
            id: t3bg
            repeatPattern: RepeatPattern.XY
            imageSource: "asset:///container/tiled/core16x16"
        }
    ]
}

For people arriving here from a search engine, make sure you read the documentation for RepeatPattern before trying this. In particular, the image must be a power of two (with any ratio) and must have a metadata (.amd) file that sets "repeatable: true".