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# uni.onMemoryWarning(UTSCallback)
开启监听内存警告
本 API 是 uni ext api，需下载插件：uni-memorywarning
# # Parameters
| name | type | required | default | description |
|---|---|---|---|---|
| callback | (args?: Array<any>) => void | YES | - | - |
# # onMemoryWarning Compatibility
| Android version | Android uni-app | Android uni-app-x | iOS version | iOS uni-app | iOS uni-app-x |
|---|---|---|---|---|---|
| 4.4.4 | 3.7.7 | 3.9.0 | 9.0 | 3.7.7 | 3.9.0 |
# # See also
# uni.offMemoryWarning(callback?)
取消监听内存不足告警事件
本 API 是 uni ext api，需下载插件：uni-memorywarning
# # Parameters
| name | type | required | default | description |
|---|---|---|---|---|
| callback | (args?: Array<any>) => void | NO | - | - |
# # offMemoryWarning Compatibility
| Android version | Android uni-app | Android uni-app-x | iOS version | iOS uni-app | iOS uni-app-x |
|---|---|---|---|---|---|
| 4.4.4 | 3.7.7 | 3.9.0 | 9.0 | 3.7.7 | 3.9.0 |
# # See also
# # General type
# # GeneralCallbackResult
| name | type | optinal | default | description |
|---|---|---|---|---|
| errMsg | string | YES | - | 错误信息 |