ProgressNS / nativescript-ui-feedback

This repository is used for customer feedback regarding Telerik UI for NativeScript. The issues system here is used by customers who want to submit their feature requests or vote for existing ones.
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[RadListView] Top items don't appear until scrolled down and back up #1514

Open Whip opened 3 years ago

Whip commented 3 years ago

Tell us about the problem

Top row doesn't appear until you scroll down and back up. I have 2 column list and top 2 items don't load at all until I scroll down and up. If I switch to 1 column layout, the first item doesn't load.

Which platform(s) does your issue occur on?

iOS 14

Please provide the following version numbers that your issue occurs with:

XML

<lv:RadListView items="{{ purities }}" selectionBehavior="Press" multipleSelection="true" itemSelected="onItemSelected" itemDeselected="onItemDeselected" id="selectionList" ios:height="{{ listHeight }}">
    <lv:RadListView.listViewLayout>
        <lv:ListViewGridLayout scrollDirection="Vertical" spanCount="2" ios:itemHeight="167" />
    </lv:RadListView.listViewLayout>

  <lv:RadListView.itemTemplate>
    <GridLayout rows="*,auto" class="bg-trans m-r-10">
        <i:ImageCacheIt row="0" width="{{ width }}" height="{{ width }}" decodeWidth="{{ width }}" decodeHeight="{{ width }}" progressiveRenderingEnabled="true" src="{{ image }}" placeholderImageUri="~/images/loading.jpg" failureImageUri="~/images/loading.jpg" stretch="aspectFill" />
            <CheckBox:CheckBox row="0" checked="false" text="" verticalAlignment="top" horizontalAlignment="right" fillColor="#363636" id="{{ 'check'+id }}" isUserInteractionEnabled="false" ios:backgroundColor="transparent" ios:width="20" />
        <StackLayout row="0" verticalAlignment="bottom" class="cat-caption">
            <Label text="{{ name }}" verticalAlignment="center" />
        </StackLayout>
    </GridLayout>
  </lv:RadListView.itemTemplate>
</lv:RadListView>
OPADA-Eng commented 3 years ago

Same here!