Android Question who tell me about this error?

this error occur sometimes，not frequently。

It seems you are trying to access something not yet initialized

Please use code tags when posting code!

Button1 click，time after time，this error can occur

DonManfred said:

Please use code tags when posting code!

Click to expand...

how to use tag?

just on debug, occur error.
on realease, b4a log such as :

PackageAdded: package:b4a.smqy
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
** Activity (main) Pause, UserClosed = true **
** Activity (login) Create, isFirst = true **
** Activity (login) Resume **
** Activity (login) Pause, UserClosed = true **
** Activity (hfxf) Create, isFirst = true **
** Activity (hfxf) Resume **
** Activity (hfxf) Pause, UserClosed = false **
** Activity (smqy) Create, isFirst = true **
** Activity (smqy) Resume **
** Activity (smqy) Pause, UserClosed = false **
Portrait
Screen 1080 1920
CODE_392017082900024###myzx_result
sending message to waiting queue (OnActivityResult)
running waiting messages (1)
** Activity (smqy) Resume **
** Activity (smqy) Pause, UserClosed = false **
Portrait
CODE_392017082900024###myzx_result
sending message to waiting queue (OnActivityResult)
running waiting messages (1)
** Activity (smqy) Resume **
** Activity (smqy) Pause, UserClosed = false **
Portrait
CODE_392017082900024###myzx_result
sending message to waiting queue (OnActivityResult)
running waiting messages (1)
** Activity (smqy) Resume **
** Activity (smqy) Pause, UserClosed = false **
Portrait
CODE_392017082900024###myzx_result
sending message to waiting queue (OnActivityResult)
running waiting messages (1)
** Activity (smqy) Resume **
** Activity (smqy) Pause, UserClosed = false **
Portrait
CODE_392017082900028###myzx_result
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (hfxf) Create, isFirst = true **
** Activity (hfxf) Resume **

the red part, is error ,should "sending message to waiting queue (OnActivityResult) running waiting messages (1)..."

this is source code

Please use File - Export as zip to create a zip with all required files.

Note that you should create a single Beeper object and reuse it or call Beeper.Release when you are done with it.

Erel said:

Please use File - Export as zip to create a zip with all required files.

Note that you should create a single Beeper object and reuse it or call Beeper.Release when you are done with it.

Click to expand...

I think the error is "JhsIceZxing lib scanbarcode have bug, it scan result wrong when it scan long time"

Erel said:

Please use File - Export as zip to create a zip with all required files.

Note that you should create a single Beeper object and reuse it or call Beeper.Release when you are done with it.

Click to expand...

you can scan the barcode of the picture,then the error occur, so the lib " JhsIceZxing1" have bugs,can you solve? help me?

Only the library developer can help you if there is a bug inside the library. However there are several other barcode libraries available...

Erel said:

Only the library developer can help you if there is a bug inside the library. However there are several other barcode libraries available...

Click to expand...

thanks, I find this lib is well for me, but have bugs. other barcode libraries ? can you give me a list of other barcode libraries ? I try to use it.

hf said:

can you give me a list of other barcode libraries ?

Click to expand...

Here:
https://www.b4x.com/search?query=b4a+barcode

Erel said:

Here:
https://www.b4x.com/search?query=b4a barcode

Click to expand...

this is my project, use mssql lib,JhsIceZxing1 lib, you can see it .