HarmonyOS promptAction.openCustomDialog customDialog使用组件外的builder会报错？

Question

customDialog使用组件外的builder会报错

promptAction.openCustomDialog({
  builder: () => {
    customDialogComponent
  },
  isModal: false,
  width: 126,
  height: 66,
  background color: '#00fffff',
  backgroundBlurStyle: BlurStyle.NONE,
  cornerRadius: 0,
})

Module name:com.example.myapplication

Version:1.0.0

Version Code: 10000

PreInstalled:No

Foreground:No

Pid:19499

Uid:20020015

Reason:TypeError

Error name:TypeError

Error message:Cannot read property observeComponentCreation2 of undefined

SourceCode:

(parent ? parent : this).observeComponentCreation2((elmtId, isInitialRender) =\> {

Stacktrace:

at customDialogComponent (entry/src/main/ets/pages/Index.ets:97:31)

at builder (entry/src/main/ets/pages/Index.ets:133:17)

Answer 1

builder需要赋值为箭头函数，格式如下：() =\> { this.XXX() }，其中XXX是内部builder名。

如果是全局builder需要在组件内部创建一个builder，在内部builder中调用全局builder。

https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-promptaction-V5\#customdialogoptions11