App Inventor Open Source Development

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The MIT App Inventor team is sunsetting this group. Please see the Open Source Development topic at community.appinventor.mit.edu for continued discussion on App Inventor open source development.

Evan W. Patton, Ph.D.

Lead Software Engineer, MIT App Inventor

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Bart Mathijssen, Peter Mathijssen2

9/26/19

Hacktoberfest 2019

If you want to discuss this, you can use the new community forum. https://community.appinventor.mit.

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Hacktoberfest 2019

If you want to discuss this, you can use the new community forum. https://community.appinventor.mit.

9/26/19

9/23/19

Scheduling a new time for the online meetups

Hi all, We want to schedule a new time for the online meetups. Please go to this post on community.

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Scheduling a new time for the online meetups

Hi all, We want to schedule a new time for the online meetups. Please go to this post on community.

9/23/19

Henry Savoy, Evan Patton2

9/23/19

Maven Repository

Hi Henry, Please redirect your query to the open source group on the new community.appinventor.mit.

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Maven Repository

Hi Henry, Please redirect your query to the open source group on the new community.appinventor.mit.

9/23/19

Evan Patton, … Jose Dominguez5

9/19/19

Discourse server

Hi there, do you see anything when you try to log in through Google? I just tried myself, and for

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Discourse server

Hi there, do you see anything when you try to log in through Google? I just tried myself, and for

9/19/19

furrichip, Evan Patton4

9/19/19

google maps launcher

Forum added, thanks for your help Regards El mié., 18 sept. 2019 a las 22:24, Evan Patton (<

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google maps launcher

Forum added, thanks for your help Regards El mié., 18 sept. 2019 a las 22:24, Evan Patton (<

9/19/19

MRKY 4M, Evan Patton2

9/18/19

Facing very strange error in ComponentTranslation !! Need a help ???

It's possible that you have too many translations depending on how many components you've

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Facing very strange error in ComponentTranslation !! Need a help ???

It's possible that you have too many translations depending on how many components you've

9/18/19

nandu aeer, Evan Patton2

9/18/19

Pls help me to solve error building app inventor local

You missed the step in the README that says to run git submodule update --init to pull down the extra

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Pls help me to solve error building app inventor local

You missed the step in the README that says to run git submodule update --init to pull down the extra

9/18/19

Pavitra, … uXXLApp8

9/15/19

Github Action for building AI Extensions

Hi, is it possible to add a Maven Repository and use it in my extension ?

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Github Action for building AI Extensions

Hi, is it possible to add a Maven Repository and use it in my extension ?

9/15/19

kangris, Evan Patton2

9/13/19

How make Property with Case Switch?

It depends on whether you want to do this in the core system or in an extension. For the core system,

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How make Property with Case Switch?

It depends on whether you want to do this in the core system or in an extension. For the core system,

9/13/19

Nathan Knauss, … Souvik Bera9

9/12/19

Cannot access android.support.v7.widget.AppCompatEditText/androidx.appcompat.widget.AppCompatEditText

Can't say what I did, but I removed the Material Lib from Google and used a different one, my

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Cannot access android.support.v7.widget.AppCompatEditText/androidx.appcompat.widget.AppCompatEditText

Can't say what I did, but I removed the Material Lib from Google and used a different one, my

9/12/19

tutu shan, Evan Patton5

9/12/19

how to config build.xml when to add external *.jar files and *.properties files the external Jar will use !!!!!!!!!!!!!!!!!!!!!

My guess is that it's being dropped in the buildserver. I'd have to run some tests to see

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how to config build.xml when to add external *.jar files and *.properties files the external Jar will use !!!!!!!!!!!!!!!!!!!!!

My guess is that it's being dropped in the buildserver. I'd have to run some tests to see

9/12/19

Mas K, … Ruben Baena Perez5

9/11/19

Add MultiDex "YAIL compiler - ApkBuilder failed"?

Would you please share the necessary code for the class3.dex? El jueves, 7 de febrero de 2019, 20:57:

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Add MultiDex "YAIL compiler - ApkBuilder failed"?

Would you please share the necessary code for the class3.dex? El jueves, 7 de febrero de 2019, 20:57:

9/11/19

Andro Lover, … Ruben Baena Perez3

9/11/19

How To Organize 3rd Dex

Hi, I have the same problem, I don't know how to modify Compiler.java to add class3.dex Can

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How To Organize 3rd Dex

Hi, I have the same problem, I don't know how to modify Compiler.java to add class3.dex Can

9/11/19

Naman Bhatia, Evan Patton2

9/7/19

Hi Naman, To get started contributing to MIT App Inventor, you should first get a development copy of

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Hi Naman, To get started contributing to MIT App Inventor, you should first get a development copy of

9/7/19

8/30/19

Re: WebViewer won't download

this forum is about working with the App Inventor sources, for programming questions the main forum

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Re: WebViewer won't download

this forum is about working with the App Inventor sources, for programming questions the main forum

8/30/19

Evaldas Latoškinas, … Abraham Getzler8

8/29/19

[Request for comment] Chart Components Project

Hi Bernard, Thank you for reporting the issue. This is, in fact, a bug internally which only happens

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[Request for comment] Chart Components Project

Hi Bernard, Thank you for reporting the issue. This is, in fact, a bug internally which only happens

8/29/19

8/22/19

can't run main server

Hello everyone, When I try to run the main server its giving me this error: $ dev_appserver.sh --port

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can't run main server

Hello everyone, When I try to run the main server its giving me this error: $ dev_appserver.sh --port

8/22/19

8/22/19

Facing while loading project

when i debug project i got this message in Developer messase INFO] DesignToolbar added project Hello

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Facing while loading project

when i debug project i got this message in Developer messase INFO] DesignToolbar added project Hello

8/22/19

Red Panda, … Abhijith Dominic3

8/16/19

Changing the layout in GWT

Hi, Is this Compatible with AppInventor GWT? https://gwtmaterialdesign.github.io/gwt-material-demo/

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Changing the layout in GWT

Hi, Is this Compatible with AppInventor GWT? https://gwtmaterialdesign.github.io/gwt-material-demo/

8/16/19

imacat, … Yong Tang9

8/8/19

Connect AI2 Companion to Local AI2 Server Through Internet Like MIT

Thanks all. I finally got this working. *^_^* The key missing component for the AI2 server to connect

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Connect AI2 Companion to Local AI2 Server Through Internet Like MIT

Thanks all. I finally got this working. *^_^* The key missing component for the AI2 server to connect

8/8/19

Deepanshu Arya, Souvik Bera10

8/7/19

invalid method declaration; return type required

same errors On Wednesday, 7 August 2019 21:34:33 UTC+5:30, Souvik Bera wrote: Try after placing the

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invalid method declaration; return type required

same errors On Wednesday, 7 August 2019 21:34:33 UTC+5:30, Souvik Bera wrote: Try after placing the

8/7/19

8/7/19

Getting error when trying to use cardview

NoClassDefFound error. Any solution ??

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Getting error when trying to use cardview

NoClassDefFound error. Any solution ??

8/7/19

base dados, … Jeffrey Schiller5

8/6/19

My app inventor extension doesn't get the variable value!

Hi, Jeff! I'm creating an app that uploads multiple pictures and i need this block to get the

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My app inventor extension doesn't get the variable value!

Hi, Jeff! I'm creating an app that uploads multiple pictures and i need this block to get the

8/6/19

8/3/19

What after $ant

I successfully executed and build app inventor but now what to do? I mean where is the new build

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What after $ant

I successfully executed and build app inventor but now what to do? I mean where is the new build

8/3/19

7/28/19

Error ant org.apache.tools.ant?

What the meaning error like that? [javac] at org.apache.tools.ant.Task.perform(Task.java:352) [javac]

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Error ant org.apache.tools.ant?

What the meaning error like that? [javac] at org.apache.tools.ant.Task.perform(Task.java:352) [javac]

7/28/19

Kijana, … Hossein Amerkashi3

7/28/19

App Mit Inventor 2 Offline - License

There is another App Inventor Offline here: https://github.com/AppyBuilder/AppInventorPersonal -

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App Mit Inventor 2 Offline - License

There is another App Inventor Offline here: https://github.com/AppyBuilder/AppInventorPersonal -

7/28/19

Sameer Tuteja, Peter Mathijssen3

7/28/19

Screenshot Extension not taking snap of webpage

And this is not the right forum to ask this. This is only for developers working with the app

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Screenshot Extension not taking snap of webpage

And this is not the right forum to ask this. This is only for developers working with the app

7/28/19

7/27/19

Facing issue related to Companion App ! App Gets Crash ! How to solve??

Hello Everyone , Actually i am in trouble , when i build my Companion App and test in my Phone , then

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Facing issue related to Companion App ! App Gets Crash ! How to solve??

Hello Everyone , Actually i am in trouble , when i build my Companion App and test in my Phone , then

7/27/19

Pavitra, … Qin Binghua42

7/25/19

How to use 'Super Dev Mode' (GWT) with AI sources?

Thank you very much,Pavitra! 在 2018年1月19日星期五 UTC+8上午1:27:14，Mark Friedman写道： Thanks, Pavitra! -Mark

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How to use 'Super Dev Mode' (GWT) with AI sources?

Thank you very much,Pavitra! 在 2018年1月19日星期五 UTC+8上午1:27:14，Mark Friedman写道： Thanks, Pavitra! -Mark

7/25/19

7/24/19

Sound recorder component records only at 12kbit per second bitrate. What about to add more options?

I'm playing with the sound recorder and I noticed that the files are saved with a bitrate of just

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Sound recorder component records only at 12kbit per second bitrate. What about to add more options?

I'm playing with the sound recorder and I noticed that the files are saved with a bitrate of just

7/24/19

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