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Dynamic Scroll
Overview
Scroll is a specialized type of Scroll Container intended for high performance where hundreds or thousands of views need to be displayed in a scrollable list.​
In Totalcross this component is called
DynamicScrollContainer​
​
Because it is a more complex example, which does not only involve the creation of the interface, we have a simpler and more direct example. To access the complete example, just go to our github.
Source Code
DynScrollContainerSample.java
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// Creating and positioning the DynamicScrollContainer
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vsc = new DynamicScrollContainer();
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vsc.setBackColor(Color.WHITE);
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vsc.setBorderStyle(BORDER_SIMPLE);
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add(vsc, LEFT + gap, AFTER + gap*2, FILL - gap, FILL - gap*2);
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// Adding views to the DynamicScrollContainer
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DynSCTestView view = new DynSCTestView(array[i], font);
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view.height = Settings.screenHeight / 20;
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datasource.addView(view);
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Methods
Type
Name
Description
Constructor
DynamicScrollContainer( )
Creates a empty DynamicScrollContainer.
Constructor
DynamicScrollContainer(DynamicScrollContainer.DataSource datasource)
Creates a DynamicScrollContainer that sets the referred datasource
DynamicScrollContainer.AbstractView
getTopMostVisibleView( )
Return the top most visible view
Boolean
isViewVisible(DynamicScrollContainer.AbstractView view)
Return true if the view is visible
Boolean
scrollContent(int dx, int dy, boolean fromFlick)
Scroll the DynamicScrollContainer to the referred position. If the boolean is true, it does a flick animation
void
scrollToView(DynamicScrollContainer.AbstractView view)
Scroll the DynamicScrollContainer to the view
void
setDataSource(DynamicScrollContainer.DataSource datasource)
Set the DataSource
void
stopFlick()
Stops any flick animation
Last modified 2yr ago
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