javascript - Angular ui-sortable not working on mobile devices -


i'm working on angularjs app contains tests. in of them have list user has order correctly dragging , dropping.

i'm using angular-ui-sortable accomplish that. on pc , laptop works perfectly. problems arrives when user on mobile devicesit's, stops working.

i imagine conflicts vertical scroll on phones, or totally wrong? , has encountered issue , has come solution? or might point me in right direction appreciate it.

html (my html if needed)

<ul ui-sortable ng-model="sequence" class="list-group list-group-lg list-group-sp">     <li ng-repeat="choice in choices" class="list-group-item" draggable="true">         <h5>{{choice.name}}</h5>     </li> </ul>


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