# wx.previewMedia(Object object)
Start from base library version 2.12.0. Please remaining backward compatible.
with Promise style call: Supported
Mini Program plugin: Support, need to Mini Program base library version no less than 2.15.0
Preview pictures and videos.
# parameter
# Object object
| attribute | type | Default values | Required | Introductions | Minimum version |
|---|---|---|---|---|---|
| sources | Array.<Object> | yes | List of resources to preview | ||
| current | number | 0 | no | Resource Number Currently Displayed | |
| showmenu | boolean | true | no | Displays long press menu | 2.13.0 |
| referrerPolicy | string | no-referrer | no | origin: Send the full referrer no-referrer: Do not send. 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, which 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 |
| success | function | no | Interface calls the successful callback function | ||
| fail | function | no | Interface calls failed callback functions | ||
| complete | function | no | Callback function at the end of an interface call (both successful and unsuccessful calls are executed) |
object.sources Structure
| attribute | type | Default values | Required | Introductions |
|---|---|---|---|---|
| url | String | yes | Address of a picture or video | |
| type | String | image | no | Type of resource, default to picture |
| poster | string | no | Cover image of the video |
type Legal value
| value | Introductions | Minimum version |
|---|---|---|
| image | picture | |
| video | video |