Build React Native App (4) - Redux, Jest, and NativeBase

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From this blog, typescript feature will be added. There are couple of ways to implement static type checking like; flow from facebook, PropTypes and Typescript. Typescript is well integrated with Visual Studio Code and supports better linter, error messages, and intellisense. Reference site Github Sample Ex4 Currnet version D:\GitRepo\reactnative>npm --version 6.3.0 D:\GitRepo\reactnative>react-native --version react-native-cli: 2.0.1 react-native: n/a - not inside a React Native project directory D:\GitRepo\reactnative>yarn --version 1.9.4 Creating React Native App $ react-native init ex4 If you want to specify the version, add "--version 0.57.3" at the end. Add NativeBase to React Native $ npm install native-base --save ... + native-base@2.8.1 added 71 packages from 42 contributors, removed 50 packages, updated 829 packages and audited 34989 packages in 138.542s found 0 vulnerabilities $ $ yarn yarn install v1.9.4 warning package-lock.json found. You...
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Show Filter/Lookup/Search result to TextBox/Label in PowerApp

Introduction

I tried show data from Filter, but having hard time to display this data to text or label box. This will show you how to do it.

Error: Property expected Text values, but this rule produces incompatible Table values

The return result from Lookup, Filter or Search is table type and this can't be diplayed directly to the text or label box. To show this you will need to specify the record which you want to display.

First/FirstN/Last/LastN function

  • The First function returns the first record of a table.
  • The FirstN function returns the first set of records of a table; the second argument specifies the number of records to return.
  • The Last function returns the last record of a table.
  • The LastN function returns the last set of records of a table; the second argument specifies the number of records to return.

First and Last return a single record. FirstN and LastN return a table, even if you specify only a single record.

Defining data using ClearCollect

ClearCollect(UserList, {UserGUID:"aee0a56c-0002-49b8-84df-fbb0c3f6470f", UserEmail:"myemail@domain.com"} )

Return UserUUID from Filter

From Text or Label box, go to the Text Property from Advanced and enter below code to show UserGUID

# Compare with staic value
First(Filter(UserList, UserEmail=myemail@domain.com)).UserGUID

#Compare with current user logged in to the PowerApp
First(Filter(UserList, UserEmail=User().Email)).UserGUID

Conclusion

It took one full day to understand the error message and I wish this post saves someone's time

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