HarmonyOS H5页面怎么调用原生自定义键盘

.onShowFileSelector((event) => {
console.warn(’…MyFileUploader onShowFileSelector invoked’);

console.warn(’…invoke camera’)
this.invokeCamera(uri => {
console.warn(’…uri: ’ + uri)
event?.result.handleFileList([uri]);
});
return true;
})

invokeCamera(callback?: (uri: string) => void) {
const context = getContext(this) as common.UIAbilityContext
context.startAbilityForResult({
action: “ohos.want.action.imageCapture”,
parameters: {
callBundleName: “com.example.mydemo”
}
}, (err: BusinessError, data: common.AbilityResult) => {
if (err && err.code != 0) {
console.error(“imageCapture error:” + ${JSON.stringify(err)});
return;
}
console.warn(“imageCapture data:” + ${JSON.stringify(data)});
let uri = data?.want?.parameters?.resourceUri;
if (callback && uri) {
callback(uri.toString());
}
})
}