1# Drag Event 2 3### Introduction 4 5This sample shows the drag operation function. 6 7### Usage 8 91. Drag an icon on the home screen to swap its position with any other icon on the home screen. 102. Drag an icon on the home screen to any position on the dock bar at the bottom. 113. Drag an icon on the dock bar to swap its position with any other icon in the dock bar. 124. You can touch an icon on the dock bar to remove it. The removed icon will be displayed on the home screen again. 13 14### Constraints 15 16This sample can only be run on standard-system devices. 17 18