android

Hello everyone, I am experiencing a similar bug to this post https://www.b4x.com/android/forum/threads/do-i-always-have-to-reconnect-my-usb-accessory-before-opening-it.30222/, when i try to call InputStream.close() on my apps onDestroy() it does throw "read interrupted" exception fine. However...

hi my app is have a widget for make my app live for get and send gps location services i want after run my app if widget is no active in home screen is automaticly added this in there

Hi all, just wanted to share this real quick, I am finally able to publicly speak about what I have been working on for the past 2 years at Snapchat Inc. These new AR Glasses are now officially released. The reason I am posting this is to give everyone a small peek into what the future of AR...

Hello Everyone, How are you all ? I'm facing a bit of trouble. Every time I create a new project in B4A and run it for the first time in debug, or when I make changes to the design and run it in debug mode, my app always asks for installation on the connected Android phone. I've noticed that...

Good day! I am struggling with a problem concerning my POS application integration with the VIVA softPOS application. The documentation on developer.viva.com give us: Intent payIntent = new Intent(Intent.ACTION_VIEW, Uri.parse( "vivapayclient://pay/v1"...

Hi folks. I've been working on a new project (B4x / V12.80 - Web-Browser) for quite some time now. Now, as my work is progressing I noticed that the webview control can't seem to handle links like downloads (href) or mailto events. Clicking on these links will result in no action whatsoever...

Hello, I'm having problems with the orientation of my app, I'm trying to set the main layout in PORTRAIT and the second Layout in Landscape but it's only posible if the phone has the orientation activated, I want to.... force the app to change to Landscape... I tried using...

hi, the question is very easy, i make a function for build a xml structure so i put it in a file and save it like xml. Easy, the problem is that i have to sign this file for send it to Italian Tax Agency and i have with me only a x509Certificate. On Internet i found that with only that i can...

Does anyone knows or have an example on reading the Samsung Health? I am looking to read and display the information on my android phone. Thanks in advance for any ideas, suggestions and examples (if possible).

Hi everyone, Some time ago I posted this question on how to start programmatically the Screensaver from my Application. Is there a way to do the opposite? I wish to exit from the screensaver to show up my Application again (I will do it in the event that fires when new data arrives from the...

Hi, I am trying to find a way to build a service only app. I remember years ago using B4A (when you still needed to pay for it), where you could build a service only app. I can't seem to work out how to do it in the current version, and I can't seem to find any forum posts either. Any help...

Hi everyone, my app has a timeout timer that is resetted every time that the user interacts with the application interface. Thanks to this method However I just implemented a B4XDialog with B4XInputTemplate and I noticed that when the keyboard is used in Text Mode the "user_interaction" event...

Hi everyone, I’m developing an app that will run on a panel tablet (kiosk). This tablet has the screensaver function in system settings (colors or clock) with a button to start it. From settings seems that the screensaver can start ONLY if the tablet is charging… but since it is a tablet panel...

I have a web vision, I get out of the application and, when the loaded page passes 20 minutes, the page does not continue, the page stops!

Hi everyone, I've to develop a Kiosk Mode Application (for a panel pc/tablet)... I'm concerned about what happens if the app crashes... Is there any robust way to restart the application in case it crashes? Thanks in advance

Hi everyone, I have a project to do that involves using an Android Tablet. This tablet has several ports and one of these (/dev/ttyS0) is used by a MIFARE UART card reader (called ICM523). Here on the forum I'm not able to find the correct way to interact with a hardware serial port in order...

I have app which is supporting the voip call. when I am on the voip call, if I get SIM call and accept it, I am going to hold the voip call. I am using TelephonyManager and PhoneStateListener to get the incoming call state. When there is no active voip call, I can get the incoming call...

Hi everyone, I'm doing some researches, is there any way to reorder a CLV item by dragging and dropping it in a new location? A bit like in the following image Thanks in advance.

Is there a way to move like a Button-UITextEntry just by click on it? I did this by a setting the Width/Height and its Location when Adding the View but instead, i just want to create a Button with a static Width/Height in the View but when i click on it, DRAG this object around the view Any...

Hi everyone, I'm using this method by @Erel to take a picture from Android in my app released months ago. Since some days, some customers told me that the "take picture" button is not working anymore, randomly. After some investigation in my code, I could not find the problem... the only thing...