data

Hi, I have a Tablet connected to an arduino that is sending to the tablet data (one value) 50 times per second. I have to show that data in the tablet, and it has to look like the red part in the image below. Now, the question is, how can I “add” new point to the left, erase first point of the...

Hi everyone, i'm trying to use UDP to send packets, but i'm getting some errors. I tried this code on an iPhoneXR and it works in debug and also in release(last os version)... i tried the same code on an iPhone6 but when it is in release it doesn't work I need to send a packet, and then wait...

Hello When i used B4A for the first time, I felt something is missing. it was hard to save values using File.WriteString or even harder: File.WriteMap each time i had to Create a map and write it to a file if i wanted to save changes. i was waiting for anyone to write a library to make this...

How can i check if the Wifi and Mobile Data are enabled (not connected). And what is the event that triggers when one of those two change

I made 7 examples how to exchange data between B4x apps and php. I use the POSTSTRING method as it is simple, secure (get-methods will be logged with the data autmatically on the server, post-methods not), strings can be formatted very easy (JSON) and en-/decrypted (not included but see my other...

java.lang.RuntimeException: android.os.TransactionTooLargeException: data parcel size 1176092 bytes I got this is error on customlistview add and there are only 515 records to load Error log :: java.lang.RuntimeException: android.os.TransactionTooLargeException: data parcel size 1176092 bytes...

Hi Everyone, Do you know of a web site that has a json file I can download that contains the following? For now I'm looking to get the data for cities in the US. I will add other countries later if the web resource has multiple countries. City Name or postcode Lat latitude in degrees Lon...