问题
官网demo
https://developer.harmonyos.com/cn/docs/documentation/doc-gui…
失常注册,失常调用,然而就是无奈调用call办法,运行后果如下:
代码
解决
增加ohos.permission.KEEP_BACKGROUND_RUNNING权限
在module.json5文件里增加如下代码:
"requestPermissions": [
{
"name": "ohos.permission.KEEP_BACKGROUND_RUNNING",
"reason": "$string:app_name",
"usedScene": {
"abilities": [
"EntryAbility"
],
"when": "inuse"
},
}
],
如下图所示:
运行后果:
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