Anyone can help me? I need Your help Guys

[Oktovianus_Masrikat]

that i Mean data are include 1. Date 2.time n 3.data

[Salman_Dev]

use a clock component

[Salman_Dev]

Make like this :

[Oktovianus_Masrikat]

thankyou so much @Salman_Dev for helping me . i want to try this now

[Salman_Dev]

You're welcome

[Oktovianus_Masrikat]

I will tell you the progress soon

[Salman_Dev]

okay, thanks

[Oktovianus_Masrikat]

why when i click the button scan the result is Error 1501 "your device does not have a scanning application installed" Even though I have installed it. why?

[Salman_Dev]

uncheck UseExternalScanner and it has to work.

[Oktovianus_Masrikat]

oh yeah. good tutor. but do I no longer need to install the application scanner in my phone if i use externalscanner

[Salman_Dev]

yes, you don't need to download it

[Oktovianus_Masrikat]

I get the Result when I scanned "Firebase Error. Previous value was empty". How to fix it?

[Salman_Dev]

@Oktovianus_Masrikat

"Firebase Error. Previous value was empty".

please show your block

[Oktovianus_Masrikat]

based on yours

[Salman_Dev]

Firebase Error: "Previous value was empty"

I wanted to ask for your help with this problem that has been presenting me several times while generating the apk in the inventor app 2 many times it works without problem but there are days or weeks where the same code generates the error "Previous value was empty" when try use firebase then it can be solved without me doing anything it just works again, I summarize my error in a synthetic model where it also occurs, in addition to throwing the error, the app closes me I already checked th…

[Oktovianus_Masrikat]

so what i can do

[Salman_Dev]

Is the data still stored when the error appears

[Oktovianus_Masrikat]

data is not stored when the error appears

[Salman_Dev]

Have you arranged this?

Firebase Security Awareness!

If like many developers, you use firebase for an online database, or for storage, and you are running your own instance of firebase, not the MIT provided instance, then you should be aware of the need to secure your data when in production. If you are working with other peoples personal data, you have a duty to protect it. For development you can set read and write as true which makes life a little easier, but when you come to production you MUST tighten up your rules, and have some form of se…

[Oktovianus_Masrikat]

@Salman_Dev

If like many developers, you use firebase for an online database, or for storage, and you are running your own instance of firebase, not the MIT provided instance, then you should be aware of the need to secure your data when in production. For development you can set read and write as true which makes life a little easier, but when you come to production you MUST tighten up your rules, and have some form of security in place, through the authenticated user system and firebase rules. You must …

yes i have done set the rules