b4a

  1. A

    Android Question How to acheive anti-tamper protection when app published in play store

    Hi guys, How do I make app to close whenever program is changed. Before I was using MacroRome lib named CheckLibrarySignature. It working fine and great. But problem is google resign my app and hence app get new signature and tampered. It won't run. Any workaround ? or advice ? Thanks 😊
  2. Marvel

    Share My Creation Project 8 - Exploring UI capabilities

    Hi guys, I thought I should share what I've been exploring with the B4x community. I recently set out to do some exploration to see how much I can achieve by using jut B4a internal tools(libraries) for an apps UI. The result is what you will see further in this post. After I managed to create...
  3. G

    Android Question BLE2 Library - WriteData

    Hello! I have a bluetooth device. I have already read the posts about BLE2 (included the BLE 2 - Bluetooth Low Energy thread). My android device is paired correctly with the bluetooth device. I cannot understand the way that I can use the method WriteData. Is there a specific process, that I...
  4. A

    Android Question How To insert a B4XImageView component via line of code?

    with ImageView just Do so Dim img As ImageView Activity.AddView(img, 0%x, 5%y, 100%x, 20%y) But how would it be To insert a B4XImageView component in the Activity via line of code? Thank you very much in advance
  5. Scotter

    Android Question Goal to build an app to create sound only dogs can hear (Bark trainer)

    Looking to build an app to create sound only dogs can hear. I have barking dogs on both sides of my house. Politely talked to the neighbors three times. Each time they paid more attention to their dogs and took other measures to reduce the barking. Unfortunately, this lasted only a week or two...
  6. G

    Android Question Answer incomming call from my App

    Hello, Is there any way that my app can be opened automatically when there is incoming call? I need to handle incoming calls from my app. Thanks in advance!
  7. A

    Java Question Python 3.8 in B4A

    Hi, Thanks for B4x team & libraries developers I have two questions with NinjaPython library: -How Can I import python libraries in it? -How to give the inputs to it? for example: x = input() Thanks in advance 🌸
  8. F

    Android Question Write to File

    I tried a lot but nothing works for me ... Google Pixel 3 XL Android 11 No-Root-Access I want to write to files, I tried every single option from File.Dir_xxxx I want to write to my own Directory on /data/emulated/0/xxxx. I tried here Sub Activity_PermissionResult (Permission As String...
  9. Mrphone

    Android Question Recommended Specifications (B4A)

    Hi everyone :) What is your recommended system for building and working with B4A? Because in the new versions, my system gets into trouble and there is a lot of pressure on it and it hangs, while in the previous versions I did not have a problem and I worked with it easily. CPU? RAM? GPU?
  10. kosmocis

    Android Question B4XTable - Null error when using search field

    Hi, first, I am very grateful to the community for the tremendous work that has been carried out with the environment and libraries. I always search the forum, but today I came across a problem that I haven't been able to solve in days. I am implementing a table of type B4XTable to display data...
  11. M

    Where is best to post this?

    There isn't a B4A (or B4X) Installation/Setup Section, but I have a tip - actually proof of a tip by others - post. Maybe even for inclusion in the installation Instructions. Having had several installation problems with B4A, I noted a tip to use 7ZIP for extraction rather than the built-in...
  12. B

    Android Question Need avdice to develope for Android and iOS

    Hello everyone, A customer ask me to develope an app that allowd the user to comunicate with a server online. Nothing so special, just read n write some record in a few table. The problem it's the app need to run on android and ios, so i dont't know if it's easy to develope with B4X libraries in...
  13. M

    Android Question SdkManager Error

    Hi everyone, today i opened B4A (after updating all thing to the newest versions), and when i went to the B4A SdkManager i got this What does it mean? I already downloaded from the website the last sdk and resources Thanks in advance
  14. Scotter

    Android Question Free? What parts? What will next major B4A version cost?

    Thank you for your generosity. I never expected you to give anything away. That said, I hear you saying the IDE is not free? How will all this play out when the next major version number comes out? Same pricing for the whole package because that includes the IDE? I'm confused, heh!
  15. muhammadali213123

    Android Question Can I get libvlc.jar to be use in b4a ?

    Please don't delete my post. I am already depressed and helpless. I didn't added any bad thing. And if added then please correct me.Thanks! As you know all that vlc isn't just a video player But also an open source framework shared across tons of platforms. They give you a lib called libvlc...
  16. lnxpy

    Android Question Getting "Bad Request" in posting JSON Data to an Endpoint

    Hey guys, hope you're doing well. I want to create an application to post some JSON data to an endpoint and get a field from the returned response. Whenever I click the button it takes back with the "Bad Request" error and says that two "title" and "script" fields are required. (I've already...
  17. pie ui+developer

    Android Question Library Wrapper training

    HI please create learn Wrapper library for b4a For this library : ColoredShadowImageView ♥
  18. MarkusR

    Android Question call app with voice mute and waiting melody

    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
  19. M

    Android Question Error(?) using B4A SDK Manager

    Hi. I got this Warning using the B4A SDK Manager [=======================================] 100% Unzipping... platform-tools/systr[=======================================] 100% Unzipping... platform-tools/systr[=======================================] 100% Unzipping... platform-tools/systr...
  20. E

    Android Question Prevent activity from being reloaded

    Hi Guys, can someone give me a tip on how to prevent the activity from being reloaded when connecting a power supply or a cable? Many thanks
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