lucassiqueirago

  1. Lucas Siqueira

    Share My Creation B4J Color Palette Tool – Extract colors from any image (HEX picker + palette generator)

    Hi everyone! I'd like to share a B4J desktop tool I made to extract colors from images. It uses the ColourThief library to generate a color palette from any image, and also lets you pick the exact color of any pixel by hovering with the mouse. Features: Paste an image directly from...
  2. Lucas Siqueira

    Share My Creation Color Picker Tool for Windows - Pick any color from screen and copy HEX or RGB to clipboard

    Hi everyone! I'd like to share a Color Picker tool I built with B4J. It lets you hover the mouse over any pixel on the screen and copy the color value to the clipboard. How it works: Run the app (or build it as a standalone .exe using Project > Build Standalone Package) A small overlay...
  3. Lucas Siqueira

    Share My Creation Complete Source Code: Checkers Game in B4XPages [Source Code Sale]

    🎮Complete Source Code: Checkers Game in B4XPages 🎮 Developers, want to create amazing games without wasting time? Get the complete source code for the classic Checkers game, developed in B4XPages, and save weeks of work! This project is fully functional, compatible with B4A (Android), B4i (iOS)...
  4. Lucas Siqueira

    Android Code Snippet [B4X] Select and Extract .ZIP File

    Private Sub selectAndExtractZIP_Click ' Define the internal folder and ZIP file name Dim diretorioArquivo As String = xui.DefaultFolder Dim nomeArquivo As String = "arquivo.zip" ' Delete ZIP file if it already exists to avoid conflicts If File.Exists(diretorioArquivo...
  5. Lucas Siqueira

    [B4X] Selecionar e Extrair Arquivo .ZIP

    Private Sub selecionarExtrairZIP_Click ' Define o diretório interno padrão e o nome do arquivo ZIP que será manipulado Dim diretorioArquivo As String = xui.DefaultFolder Dim nomeArquivo As String = "arquivo.zip" ' Se já existir um arquivo ZIP com esse nome, deleta para...
  6. Lucas Siqueira

    [B4XPages] jRDC2 + CRUD MySql + Login [Código Fonte Gratuito]

    Olá, veja como ficou o projeto 1) Login; 2) Adicionar Usuário; 3) Listar Usuários; 4) Editar Usuário; 5) Excluir Usuário; Existem vários sites onde você pode baixar a biblioteca de conexão Java: mysql-connector-java-5.1.44 https://downloads.mysql.com/archives/c-j/ ou...
  7. Lucas Siqueira

    Share My Creation [B4XPages] jRDC2 + CRUD MySql + Login [Source Code Free]

    Hello, look how the project turned out 1) Login; 2) Add User; 3) List Users; 4) Edit User; 5) Delete user; There are several sites where you can download the java connection library: mysql-connector-java-5.1.44 https://downloads.mysql.com/archives/c-j/ or...
  8. Lucas Siqueira

    [B4X] Converter Base64 Para String, String Para Base64, Validar se é Base64

    Sub isBase64(text As String) As Boolean If Regex.IsMatch("^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$", text) And text.Length > 3 Then Return True Else Return False End If End Sub Sub converterStringBase64(text As String) As String...
  9. Lucas Siqueira

    Android Code Snippet [B4X] Convert Base64 To String, String To Base64 and Validate Is Base64

    Sub isBase64(text As String) As Boolean If Regex.IsMatch("^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$", text) And text.Length > 3 Then Return True Else Return False End If End Sub Sub convertStringToBase64(text As String) As String...
  10. Lucas Siqueira

    iOS Code Snippet [B4X] Example Play Audio MP3 (b4a + b4i + b4j)

    Explanation of the Solution Audio Session Configuration on iOS: On iOS, audio playback depends on the correct configuration of the audio session (AVAudioSession). By default, iOS may block or mute sounds if the audio session is not explicitly configured. The AVAudioSessionCategoryPlayback...
  11. Lucas Siqueira

    Share My Creation Complete Source Code: Minesweeper Game in B4XPages [Source Code Sale]

    🎮 Complete Source Code: Minesweeper Game in B4XPages 🎮 Developers, want to create amazing games without wasting time? Get the complete source code for the classic Minesweeper game, developed in B4XPages , and save weeks of work! This project is fully functional, compatible with B4A (Android) and...
  12. Lucas Siqueira

    [SQLITE] SQLite para iniciantes

    Introdução ao SQLite O SQLite é um banco de dados leve e rápido, muito usado em aplicativos Android para armazenar informações. Ele não precisa de um servidor separado para funcionar, pois armazena os dados diretamente em um arquivo. Com o SQLite, você pode: Armazenar informações de forma...
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