I'm trying to rebuild my old app, but this error message shows:
Unsupported option: --v4-signing-enabled. See --help for supported options.
I downloaded the files from https://www.b4x.com/b4a.html, but the problem is not fixed,
I tried to build a project on Android Studio using...
hi i send image with c# server to b4a tcp client and after get error load bitmap error.
this code very good work for udp just error in tcp from b4a i think problem for tcp b4a
img = Image.FromFile(@"C:\Users\at\Pictures\download.jpeg");
ms = new MemoryStream()...
Buenas tardes mi nombres el Mikhail y tengo el sigiente problema desde un par de dias: mi problema surge al momento de diseñar la pantalla en el activity con botones, label etc.
mil B4A lo instale desde la pagina oficial y segui todos los pasos correctamente. Pero desde ayer, es la primera vez...
Hi everyone, i'm building an app that has to recognize single words and validate them in a certain period of time (ex. 1min). Like a game counting correct words.
I tried to use speech recognition example at beginning, adding only the part to get the single word (and not the full sentence that...
Salve a tutti,
questo è il mio primo thread, spero quindi di porre correttamente il problema che riscontro.
Nella creazione/composizione di un'Activity quando aggiungo più di x Panel il layout non si comporta più in modo corretto.
Vi allego qui due immagini e un esempio di codice.
Hi everybody, I need a hand with a problem I am stucked with
I have a funny issue with MKWebView: I am trying to use a PCI plattform (mercado pago) to process payments on an app I'm developing on iOS, everithing works fine but when I enter the data of the card It gets stuck trying to process the...
Hello, I post data to my server with OkHttpUtils2 and it works. But my server not have SSL and that is why my program does not work in Android 10.
I do not know what to do to connect to the server in Android 10 without SSL.
I create application in b4a version 5.5, which has the signature key used by the debugger (it doesn´'t have a private key), I install the apk on several devices, now I update application using b4a version 9.5, however when reinstalling it, the error "App not install" is displayed , both...
Looking for advice, I`ve been trying an app using MQTT over wifi. I have a strong wifi signal all the way out at 600+m (clear line of sight), but I`m losing connection to the MQTT Broker at about 150m?
I`m sending about 10KB on data at a time, and the Broker is responding back with about 2KB of...
Looking for advice, I`ve been trying an app using MQTT over wifi. I have a strong wifi signal at 600+m, but I`m losing connection to the MQTT Broker at about 150m?
I`m sending about 10KB on data at a time, and the Broker is responding back with about 2KB of data. I`m unable to reconnect...
so i made a server in b4j with jServer (see #3)
it get a request and it send a list with userdefined type as bytes as response.
that works fine if me test this from browser.
now i try to make a b4j app that make this get request vis https:// + username & password
but i get a error here :(...
I got a project I'm working right now, and I'm using a set of customlistview, which results are a another set, a define number of times.
Each of these elements contains
-Transparent buttom/ white frame when the focus is on the element.
The focus was created with...
i have a sub that make a texture but the text width looks different if me compare a tablet with a phone.
my goal is to have the same texture at all devices.
currently one device looks good and at the other the text is cut.
is there a way to use a static font in asset folder or something...
maybe is someone more firm in json parsing
i have this json and need iterate this array(list) "List_Packages"
and the data there "Pos_A_mm" and below "X","Y","Z"
Dim J As JSONParser
Dim Map1 As Map
Map1 = J.NextObject
I made a full screen application in B4J (Raspberry Pi 3 model B with Raspbian) and when I move the mouse to the corner of the screen and I go back, the cursor changes to a black square. Does anyone know how to fix this problem?
Thanks in advance.