# cover-image
Start from base library version 1.4.0. Please remaining backward compatible.
A picture view that overrides the native component.
at presentNative component is already supported for same layer rendering, and it is recommended to use image Substitute. Overridden native components are the same as cover-view, supports nesting in cover-view.
| attribute | type | Default value | Required | Introductions | Minimum version |
|---|---|---|---|---|---|
| src | string | no | Icon path, support temporary path, network address (1.6.0 support), cloud file ID (2.2.3 support). | 1.4.0 | |
| referrer-policy | string | no-referrer | no | Format fixed to https://servicewechat.com/{appid} /{version}/page-frame.htmlWhere {appid} For Mini Program appid，{version} Is the version number of the Mini Program, version number is 0 Represents a development version, a trial version, and a review version with a version number of devtools Represented as developer tools and the rest as official versions | 2.13.0 |
| bindload | eventhandle | no | Triggered when image loaded successfully | 2.1.0 | |
| binderror | eventhandle | no | Triggered when picture load fails | 2.1.0 |
referrer-policy Legal value
| value | Introductions | Minimum version |
|---|---|---|
| origin | Send the full referrer | |
| no-referrer | Do not send |
# Supported format
| format | iOS | Android |
|---|---|---|
| JPG | ||
| PNG | ||
| SVG | x | x |
| WEBP | ||
| GIF | ||
| BASE64 | x | x |