app

Hello, I have in the App Store one of the first radio apps created for Apple and due to various problems I had to upgrade it since 2017. In the last two years I worked hard and designed the app from scratch, I released it on Google Play where there was no problem and the app is in the Play...

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 everyone, I'm doing some researches for a customer project that needs a kiosk. So I bought an Android PC and now I'm studying all the necessary stuff to do what I need. In particular I already saw the Kiosk Tutorial and the Immersive Mode Tutorial. I still miss some pieces to get all...

This library is used to describe the 3 or 4 most important functions of the app to the user the first time they use it, as an onboarding measure. The library can also be used as an update log if you have released a major update and want to inform the user which new things are now in the app. I...

Hello guys, Follow up question to this thread: https://www.b4x.com/android/forum/threads/how-to-create-a-quiz-in-b4a.147965/#post-938586. Thanks guys for the responses! I want to ask how can I do this. My goal is to change the background color of the Radio button to green if the answer is...

Hi everyone, i wish to build a desktop app but with some modern vibes in it. So I imagined it without the ugly windows default window, but more like macos apps. Is it possibile to create an app that has this type of GUI using B4J? no borders, round corners, functioning buttons (close, minimize...

Hello everyone. I published my app on google play store (as many other apps). Some users when they tried to install my app the got the following warning "APP_NAME appears to be infected. Immediate uninstallation is advised" Any idea about this? Thank you in advance.

how to insert in app purchases with b4a? I created a free and ad-free app. I would like to insert a paid product that can be purchased at will. How can I do? is there a guide on this?

Is there a way I can implement google play games achievements and leaderboard into an app that is listed on the play store as an "app" and not as a game? In the play console, play games services are visible to me only when I set the app's type to game.

Hello, If you use your cell phone camera as much as I do, then you probably know the moment when you have to copy the files to your PC. That always bothered me and that's why I developed a super easy-to-use app that always does it for me automatically. When I told my friends about my app called...

如何让APP开机后自启动，而不需要用户点击？类似于windows中的程序，添加进系统启动项里，开机就能自己启动运行。 How to make the APP start after booting, without the user clicking？

We are building a new amazing project :) The project will enable the user to create his own mobile web app within the app with 3 steps only !! :) The user will upload the user Products, categories, shop information to the cloud and produce a user-friendly link The user can share the link as...

Hi everyone, I finished my app, but there is an imperfection that annoy me.. Before the app actually start there is a black/gray screen. The problem is that in the main Activity_Create is veeeery simple, same for Starter Service it is just: Sub Activity_Create(FirstTime as Boolean)...

hello, did someone made a android app where you can call and mute the voice that a waiting melody is played? or maybe know a good reliable app for calling with this feature? regards

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...

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...

Hello. I've been trying to upload my app on the amazon appstore but it returns "Invalid APK" I read on their forums that maybe your apk is missing Version Code and Version Name attribute. Try adding #VersionName and #VersionCode in the build.gradle file. OK, but how do i add them when i'm not...

Hi everyone. I was wondering if it's possibile to set up a geofence that when you enter (or exit), triggers an event catchable with the app closed. (like Apple "Find My" app, that can send a notification to you when a friend leave/arrive a place). I'm not knowledge about this things , so I'm...

Hi everyone, i've an app with the Main activity used as Login form. When i user log in i wrote: StartActivity("Home") But if the user put the app in background and then opens it up from the homescreen (not from the recent apps) starts the Main activity instead of the Home activity (that is the...

Force Customer to Logout of Application before they Uninstall software. How can I do this?