Open Source • Background Tasks: Itoo 🚀

[Taifun]

@iSPANKzombiez

you previously mentioned "logText", but i didn't see that method

Yes, sorry, it is called LogInfo
Remove the 2 Firebase blocks and test again

Check also the log for itoo errors

Taifun

[iSPANKzombiez]

You the Goat my friend!
Thank you so much for helping
I've got it working now

[Taifun]

@iSPANKzombiez

I've got it working now

Please let us know what the issue was and provide a screenshot of the working solution

Taifun

[iSPANKzombiez]

sure thing

the block has changed quite a bit, because i've been working on it since that last post.

but here is the current block:

I pretty much just did what you said. However, I never saw anything inside the adb console.
Instead, i pushed a few notifications with "MelonNotification" to see the output content as well as just "the fact that the timer was working" more or less

I hope this is explanation enough xD I'm a beginner as far as using the App Inventor. So I'm not sure that I documented really all the changes.

[fraisquet]

Hi everyone,
I'm working on an app that connects my Android (Android 13) to an Arduino using an HM10 BLE module. Right now, the app works as expected while it's open, but I'm trying to improve it by keeping certain features running in the foreground (and maybe even in the background later).
What I ened help with:First, keeping Auto-Reconnect working in the foreground
I tried making it work in the foreground, but it doesn't. As I said, it works when the app is on the screen. I’m not sure which blocks I should be using, or if that is even possible. Second, I also want the app to display a notification with the received string when data is sent from the Arduino. Do I need another extension for this?

Thanks in advance!

[Taifun]

@fraisquet

What I ened help with:First, keeping Auto-Reconnect working in the foreground
I tried making it work in the foreground, but it doesn't. As I said, it works when the app is on the screen.

So you said, auto reconnect works when the app is open. Isn't that identical to foreground or do you have another definition for foreground?

Are you using Bluetooth Classic?
To try something with itoo follow the description in the first post of this thread. Try some examples to get familiar with the extension and if you have specific questions show us a screenshot of your relevant blocks

@fraisquet

Second, I also want the app to display a notification with the received string when data is sent from the Arduino. Do I need another extension for this?

Yes, let me recommend

MelonNotification • Various styled notifications + Itoo

Melon Notification A rich library of various notification styles along with the combined power of Itoo Documentation Image resource Any image resource provided to this extension may be a full file path an asset name an URL starting with prefix url: an icon from the default Android Drawable collections it must start with the : prefix, for e.g. :ic_media_play only resources starting with ic_ are supported. If you intend to your custom icon, then please ensure the image is atleas…

See also some examples there

Taifun

[fraisquet]

I think I missunderstood the definition in the extension description. What I mean, is for example, if I lock my Andorid screen, after 10mins max, the device disconnects, or that if I go away of the device, it disconnects, and I would like it to reconnect automatically. I then understand that what I need is the reconnect blocks to be working also in background? I am using a HM10 BLE module, so not Bluetooth classic.

Thanks for the recommendation. WIth the Melon extension, I can receive push notifications, as long as my device is still connected, right? So, for example my Android is locked, and a string is received, so I can show in the lockscreen a notification that the device has sent data.

Thanks for your help

[Taifun]

I'm not a BLE specialist, but here in this thread there are already a few BLE itoo projects

Open Source • Background Tasks: Itoo

INCREDIBLE! Amazing work @Kumaraswamy thank you so much for the guidance. Paying it forward by sharing what I have working here. I was able to offload BLE to a background process. Next step: figure out how to exchange data between background and foreground process. [image]

Open Source • Background Tasks: Itoo

Hello everyone! I bring to your attention a working project for periodically listening to temperature measured remotely. And most importantly, the application has been tested and works in the BACKGROUND!!! We receive the temperature from a command sent via BLE. In this project, the polling frequency is set to 1 minute - 60000 ms. command sent from the application to the receiving side: "i". You can ask yours! Please also figure out where to enter the Bluetooth ID. A text-to-speech module is…

Open Source • Background Tasks: Itoo

Hello! Improved application stability and commented out some blocks. And, most importantly, after requesting and receiving data via BLE, we turn it off. And before receiving a new timer, turn it on again! That is, BLE does not waste energy, which corresponds to its purpose! I saw threads where someone wanted to do this! The polling frequency in the application is set to 30 seconds. You can change it as you wish. BLE_WEATHER_V1.2.aia (268.0 KB) [BLE_WEATHER_V1.2]

Open Source • Background Tasks: Itoo

Kumaraswamy, Taifun tks for your work ! I added Bluetooth Low Energy to the example of Battery Checker with ESP32 Arduino Not is finished but working very good. Tks Fabian R.C. batterychecker_5_BLE_V9_15.aia (357.7 KB)

@fraisquet

WIth the Melon extension, I can receive push notifications, as long as my device is still connected, right? So, for example my Android is locked, and a string is received, so I can show in the lockscreen a notification that the device has sent data.

Yes you can

Taifun

[iSPANKzombiez]

Hey Taifun,

Me again.
I'm having an issue where, when my process is running in the foreground. I will close my app, and then attempt to reopen it; this causes the app to more or less just crash before fully opening, until i force close it.

Any idea off hand what could cause that? I can ofc provide ss of the blocks upon your request.

Thanks again,

ispankzombiez

[Taifun]

@iSPANKzombiez

this causes the app to more or less just crash before fully opening, until i force close it.

Please elaborate

It would really help if you provided a screenshot of your relevant blocks, so we can see what you are trying to do, and where the problem may be.

To get an image of your blocks, right click in the Blocks Editor and select "Download Blocks as Image". You might want to use an image editor to crop etc. if required. Then post it here in the community.

Taifun

---

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

[iSPANKzombiez]

yup.

here is a ss of it.

hopefully its not to much
i've been at it for a minute now.

[iSPANKzombiez]

here is the blocks for the related processes

this is where the foreground process is being started

[iSPANKzombiez]

the logic of the app is like this.

1. hits login screen (screen 1)
2. checks for profile (login info / remember me info)
3. if present, logs in, moves to "main" screen (this screen)
4. else, asks for register/login

[Taifun]

your large screenshot is of bad quality, unfortunately I can't read it
waht I can see here is you could simplify a bit... also I would use the same tags for TinyDB and itoo to avoid errors...

use logcat to find out what's going on as mentioned earlier

Taifun

[iSPANKzombiez]

Hey Taifun,

I think I may have figured out my issue
I was not properly checking if the app already had notification permission before requesting it...
my mistake

-ispankzombiez

[iSPANKzombiez]

so contrary to my previous comment, that did not actually solve my problem

i've tracked the source of the error to this block.

which results in a screen that looks like this.

and the app will just sort of stuck right there indefinitly, even if i close the app and restart.
i have to force close it to get it to show the visuals again. But the foreground process (background whatchamacalit) will still be updating and pinging off the notifications correctly.

but i do have to close the app in tasker once (or sometimes more) to accomplish this error.

I'm sorry that my explanations are not great. but i'll post some follow up screenshots shortly.

[iSPANKzombiez]

login / landing page (screen1)

slightly better screenshots of the "next page" ("home" / where the process is launched)

i hope this helps im kind of at a loss for what is causing this tbh...
im very new to this. so im not even really sure what to look for.

Edit:

As long as i dont swipe away this notification, it seems to work fine. But if i swipe it away, the app instant does the white screen of death.

[Taifun]

@iSPANKzombiez

As long as i dont swipe away this notification, it seems to work fine. But if i swipe it away, the app instant does the white screen of death.

Use logcat to find out more

Capturing Device Logs using adb logcat

ADB is a command-line utility that that can be used to control your device over USB from a computer. It will allow you to install / uninstall and or view logs on your device. This could be very handy when there are issues with a specific app and you like to view the logs for information that may lead to identify the cause of error. In this post, we’ll discuss how to install and use ADB. Installation: ADB comes with Android SDK. However, you can download ONLY the ADB files from HERE . EDIT: …

Taifun

[iSPANKzombiez]

so brought up the log cat.
but it doesn't mean much to me

hopefully this means something to you?
i really truly cannot put into words the amount of appreciation i have for you friend

04-13 18:58:05.756 1707 1801 D RenderEngine: [SEC_GC_CMN_SF_EFFECTS] drawLayersInternal,1279, Rendering layer Splash Screen appinventor.ai_caleb_bren1.SFL_Notifi$_4070#443457 at index 1

04-13 18:58:10.049 2352 3857 D MdnieScenarioControlService: packageName : appinventor.ai_caleb_bren1.SFL_Notifi className : appinventor.ai_caleb_bren1.SFL_Notifi.Screen1

04-13 18:58:11.735 2352 8395 D SGM:GameManager: identifyGamePackage. appinventor.ai_caleb_bren1.SFL_Notifi, mCurrentUserId: 0, callerUserId: 0, callingMethodInfo: com.samsung.android.game.IGameManagerService$Stub.onTransact(IGameManagerService.java:233)

04-13 18:58:11.735 2352 8395 D SGM:PkgDataHelper: getGamePkgData(). appinventor.ai_caleb_bren1.SFL_Notifi

04-13 18:58:11.819 2352 5054 D SGM:GameManager: identifyForegroundApp. appinventor.ai_caleb_bren1.SFL_Notifi, mCurrentUserId: 0, callerUserId: 0

04-13 18:58:11.820 2352 5054 D SGM:PkgDataHelper: getGamePkgData(). appinventor.ai_caleb_bren1.SFL_Notifi

04-13 18:58:13.237 2352 3857 D MdnieScenarioControlService: packageName : appinventor.ai_caleb_bren1.SFL_Notifi className : appinventor.ai_caleb_bren1.SFL_Notifi.Screen1

04-13 18:58:13.253 9389 9401 W gle.android.gms: ApkAssets: Deleting an ApkAssets object ' and /data/app/~~xwvLL8gZyCeYbkW74kFrDg==/appinventor.ai_caleb_bren1.SFL_Notifi-M4C7MhOMOpBD41RhUIahmw==/base.apk' with 1 weak references

04-13 18:58:13.696 4486 22756 I SearchEngine: isComponentInApps() packageName : appinventor.ai_caleb_bren1.SFL_Notifi / className : appinventor.ai_caleb_bren1.SFL_Notifi.Screen1 / userId : 0 / enable true / enabledSetting 0

04-13 18:58:13.696 4486 22756 I SearchEngine: isComponentInApps() packageName : appinventor.ai_caleb_bren1.SFL_Notifi / className : appinventor.ai_caleb_bren1.SFL_Notifi.Screen1 / userId : 0 / enable true / enabledSetting 0

this last one just repeats after the screen gets stuck on the white opening screen.

if this doesn't show what you need, a point in the right direction as far as how else i should filter it would be awesome
im currently filtering it like this.

adb logcat | findstr appinventor.ai_caleb_bren1.SFL_Notifi

[Kumaraswamy]

Your blocks are still of low quality and cannot be read. Please download relevant block individually by right click then Download blocks.