import an mashup widget error

[fliu1]

i created a widget with a xml file and import into thingworx ,but always with the error message"Extension must have a metadata.xml file."

the content of the xml is

and my widget file list is so what is the reasong i failed to import this widget to thingworx

[magrawal]

your extension package should contain a folder named ui and metadata.xml.

[fliu1]

dear Meenakshi ,thanks  for your answer ,i have solved this problem by another compressed software ,but after i import my widget into thingworx ,the other widget like googlemap, customchart i imported are not in the list ,i don't know the reason