android

Dear all, I think I'm quite a good programmer but I have no idea which effects a change of OS has to my apps. The apps are written in B4A but since Android 11 they don't want to work. I've tried a mass of analysis, checks, changes ... What am I doing wrong? Who can help? Thanks in advance...

Hello, I'm trying to create an app for sending pictures from the device to a PC with FileZilla. I think that my problem is that I dont actually understand what the full path is in the UploadFile function, because the client connects to the server but cannot upload anything (success is false...

Hello there, I am connecting to web service with SOAP using KSOAP2 library. I'm currently having a problem that I can't get out of for the user login section. When I send data via **** POST, it returns "successful" as 'result'. However, when I test the web service with SOAP, the email or...

Hello There, I'm looking for a Back-end Developer on node.js with experience in Reverse Engineering of Android applications. The project has already started, i'm looking for a person that joins the team and takes it forward. The required skills are as follows: Past experience in Android...

Good morning everyone, in my App there are 5 different types of subscription, each with different prices but all lasting one month. I should make a function that allows the user to upgrade a service by purchasing a different subscription: To go from "pui_cloud_lvl1" (1.99 €) to...

I'm making an application that uses a single Activity with multiple panels one on top of the other that are treated as "screens" that become visible or invisible according to the option selected by the user. In one of these panels (attached image), there are two EditText that are in the same...

Hello! I was trying to implement In-App update published by @ArminKh1993 here https://www.b4x.com/android/forum/threads/in-app-update-library.126305/page-2#post-809707 Uploaded a new version to google play and left BridgeLogger true, when I debug the app the availableVersionCode is always 0 and...

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...

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

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...

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...

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

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...

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...

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)...

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...

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

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 ??

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...

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