How can I turn the picture to base64?Our school needs a lost and found system

[Tangjy_75]

[TIMAI2]

Try this:

ImageToBase64

[Tangjy_75]

error

[TIMAI2]

No issues here:

[Tangjy_75]

When I add this extention to my program,it always output error message.

Maybe my appinventor can't accept the extension.
My appinventor:app.gzjkw.net

[TIMAI2]

If you just want to display the base64 you have, try making it into a datauri:

data:image/jpeg;base64,iVBORw0KGgoAAAANSUhEUgAAAFE......
(if a jpg)

You can then display this in a webviewer....

[Kevinkun]

@Tangjy_75

appinventor:app.gzjkw.net

这个服务器已经严重过时了。强烈建议换个更新的服务器，比如官网的 login.appinventor.mit.edu/login

[Tangjy_75]

马上就换((((

[Tangjy_75]

Thank you

[Tangjy_75]

现在可以编译了