Adding a custom preview image
This section describes how to add a custom preview image to your visualization extension. The preview image is displayed in the preview window which is accessed by selecting the visualization extension from the library.
Do the following:
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Create a new image and save it as a PNG file. It should be saved in the same folder as your other extension files.
Information noteThe preview image should be saved in PNG format.Information noteThe recommended image size of a custom preview image is 140 px x 140 px. -
Update the QEXT file by adding the preview property as shown below. In this example we use a image of the Qlik Sense logo.
{ "name" : "Extension Tutorial - Hello World", "description" : "Extension Tutorial, Simple Hello World.", "icon" : "extension", "preview" : "qlik-sense-logo.png", "type" : "visualization", "version": "0.1", "author": "Your Name" }
You have now added a custom preview image.