android

  1. amorosik

    Italian [B4A] Programma di lettura dati gps che si blocca - perche' ?

    Dispongo di un programma che, usando come base la lettura gps indicata da Erel, registra la posizione ogni 60 secondi su file di log locale Dopo diverse ore di funzionamento corretto, e solo su alcuni telefoni, l'app improvvisamente si spegne Leggo su alcuni articoli che potrebbe essere...
  2. K

    Android Question Setup Dynamic PAC Proxy file

    Hi I like to build an application that able to help users set up a dynamic PAC file for each wifi connection that they use. That anybody can help me how to made it, how to modify wifi info for auto proxy services. Thanks
  3. J

    Android Question NFC NdefFormatable Tag IOException

    I have a little problem when injecting data to NFC Tags. Here my code Sub Activity_Resume If app.GetNFCAdapter(Me).IsInitialized = False Then //Show Message Else If app.GetNFCAdapter(Me).RunMethod("isEnabled", Null) = False Then Msgbox2Async("NFC is Off. Turn...
  4. S

    Android Question DateTime.Now

    Hello, For replication between android device (db) and Server (db) I plan to use DateTime.Now as a key field. ie to retrieve data updated after the last update, I feel DateTime.Now is good candidate. But this mobile application is only an extension to an already available windows application...
  5. Pedro Caldeira

    Android Question Prevent running more than one instance of the same APP

    Hello guys, I need to prevent my app to run more than one time. Is there a way to check if the App is running and prevent from being launched again, by clicking its icon ? Thanks
  6. M

    Android Question App show alert and makes sound until user accepts or declines the alert, no matter if the phone is blocked or app is not active

    My app needs to show to alert a user and continue to show the alert and make a sound until the user accepts or declines it. This will need to happen even if the phone is locked, asleep, or the app is not active (it would be nice to have this functionality even if the application is killed, but...
  7. S

    Share My Creation click & claim - free bitcoin faucet

    Hi everyone. after several months of work, forum posts, problems solved and money spent, I finally finished my last application in b4x It names Click & Claim, and it is a free faucet for android. The feature that distinguishes this app from the others, in addition to working, is that it saves...
  8. M

    Android Question Native Input Dialogs Android (No B4XDialogs)

    Hi everyone, how can implement the native input dialogs of Android in my app? i found this code here, but i don't know how to convert it: private void showForgotDialog(Context c) { final EditText taskEditText = new EditText(c); AlertDialog dialog = new AlertDialog.Builder(c)...
  9. M

    Android Question 64-Bits Compilation?

    Hi Everyone! I'm trying to publish my first app in Google Play Store and I noticed that my app doesn't support 64-bits devices... I read in older threads that it can maybe been an error with older libraries. I use those: I don't know which one is needing an update an where to find them... Can...
  10. M

    iOS Question Forward notification via bluetooth

    Hi everyone, I've a question. There is a way to forward notifications to an bluetooth device, like the 10$ smartwatch does? Thanks
  11. R

    Android Question Futronic Finger print error JNI DETECTED ERROR IN APPLICATION: use of invalid jobject

    Hi all , I am developing an android app , I am using SDK for Futronic finger print in my app and it works fine , but some devices return for me this error : "JNI DETECTED ERROR IN APPLICATION: use of invalid jobject 0xbabbb8d0" any one can help ??
  12. peacemaker

    Android Question tiny single-board computer, Android based

    HI, All Who knows what SBC with Android do we have now in 2020 on the market ? With WiFi, accelerometer, BT4+ optionally... And maybe any GPIO... Good documented. And if with some Android version source codes\ROM to customize - it's the best...
  13. Ahmet KOÇ

    Android Question webview video fullscreen problem

    Video full screen button is not active on webview. anyone who solved this problem?
  14. manzoor

    Android Question GetCell Value of 2nd Column below 1st Column and so on in Excel - Urgent Help Requested

    Help from respected developers needed I need this GetCell Value of 2nd Column below 1st Column and so on in Excel as explained in attached file
  15. pauleffect

    Android Question [USB AUDIO CLASS]

    Hello. I have a usb headset (mic + headphones). I'd like to use the usb library to connect to the headset directly. Kinda like a USB Sniffer. Is it possible to open a device in shared access mode and see the traffic it generates? I'm interested in "sniffing" the isochronous endpoints.
  16. Marvel

    Share My Creation Stopeet - Phone Addiction Manager

    Finally! I get to release my first android app. It is called Stopeet - Phone Addiction Manager. It helps you track the time spent on your phone and helps you set limits. It is far from perfect, but I hope people will find it useful regardless of its imperfections. It took a very long time than...
  17. Pedro Caldeira

    Android Question Retrieving Phone or Tablet Language

    Hello All, I am trying to get the two letter code of the language used by the Tablet or Phone (EN) (PT) (ES), etc My device, a Samsung TabA is in Portuguese wirt all texts and messages also in Portuguese, but I always get EN, US, EN-US. Any idea why ? Sub Get_Language As String Dim jo As...
  18. arenaluigi

    Android Tutorial Free Mini Course Android Development Environment Preparation (B4A)

    Good morning, I'd like to share the free "Android Development Environment Preparation" course. This course helps prepare the B4A development environment to start developing Android apps. I thank everyone, and count a lot in your feedback. Here is the link: Video corso Preparazione ambiente di...
  19. arenaluigi

    Italian Mini corso gratuito Preparazione Ambiente di Sviluppo Android (B4A)

    Buongiorno, vorrei condividere il corso gratuito "Preparazione ambiente di sviluppo Android" . Questo corso aiuta a preparare l'ambiente di sviluppo B4A per iniziare a sviluppare App per Android. Ringrazio a tutti, e conto moltissimo nei vostri feedback. Di seguito il link: Video corso...
  20. N

    Android Question Receive data from MQTT broker into MQTT Android Client

    Hey guys, I am new to B4x. I have been watching videos recently and doing beginner programs but my main objective is to use B4a to create an app that receives data from MQTT broker myqtthub.com. The data later needs to recorded over time and represented on a graph. I'm looking for a template...
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