I save a number from a apk in a file but i want dont delete file when i uninstall apk

[mah_bagh]

I save a number from a apk in a file but i want dont delete file when i uninstall apk.

[TIMAI2]

Then save and read it like this:

/madhi

This will save the file to the root of your sdcard (/sdcard/emulated/0) which will survive an uninstallation of the app

[mah_bagh]

@TIMAI2

This will save the file to the root of your sdcard (/sdcard/emulated/0) which will survive an uninstallation of the ap

hi ,when i reinstall app ,can not find file.i use noxplayer emulator.

[Anke]

The root directory of the External Storage is:
/storage/emulated/0/ or
file:///storage/emulated/0/ or
file:///mnt/sdcard/

See here:

AppInventor file path

For clarification: From an Android point of view there are an Internal Storage and an External Storage. 1. Internal Storage In the Internal Storage, the app package is saved: /data/data/<app packageName>/ which can only be accessed with a rooted device. 2. External Storage The root directory of the External Storage is: /storage/emulated/0/ 2.1. App-specific directory In addition, there may be an app-specific directory (which can be created with Taifun’s File extension: https://puravida…

[TIMAI2]

@mah_bagh

hi ,when i reinstall app ,can not find file.i use noxplayer emulator.

Did you change:

mahdi

to

/madhi

(note the forward slash before the word madhi)

[Taifun]

@mah_bagh

i use noxplayer emulator.

ýou might want to test this on an Android device
Taifun

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Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by Taifun.

[mah_bagh]

Hi.Ok.thats right.thanks

[mah_bagh]

Hi.thanks.

[mah_bagh]

Hi.Ok.thanks.

[mah_bagh]

i want read file when exist .how i can understood file exist or no??

[Anke]

@mah_bagh

i want read file when exist .how i can understood file exist or no?

Use Taifun's File extension: App Inventor Extensions: File | Pura Vida Apps

[mah_bagh]

hi.thanks.but i dont see this blocks.

[mah_bagh]

hi i dont see this block.

[Anke]

@mah_bagh

hi i dont see this block

As I said before

@Anke

Use Taifun’s File extension: App Inventor Extensions: File | Pura Vida Apps

[mah_bagh]

Hi thanks.

[mah_bagh]

Hi .i add Taifun,s file extension to my project.i want when screen initialize,check do file exist?if exist ,read file.

is below block correct?

[Taifun]

@mah_bagh

is below block correct?

this seems to be correct...
what about trying it yourself?
see also tip 2 here App Inventor: How to Learn | Pura Vida Apps
Taifun

[mah_bagh]

Hi thanks. i will do .