Software
📱
v1.2 July 2, 2026

PrintTools Mobile

PrintTools for Android — Generate documents on the go

KotlinJetpack ComposeAndroid PdfDocumentMaterial 3ViewModel

简介

PrintTools Mobile 是 PrintTools 的 Android 手机版本。和桌面版功能一致,报价单、催款单、收款单随时随地一键生成,生成后可App 内预览一键转发微信/企业微信

Introduction

PrintTools Mobile is the Android version of PrintTools. It offers the same functionality as the desktop version — generate Quotations, Payment Reminders, and Receipts anytime, anywhere. After generation, you can preview within the app or share directly to WeChat/WeCom.

核心功能

📱 三个单据

  • 报价单 — 选客户、选服务、调数量/单价,自动合计
  • 催款单 — 明细列表 + 还款期限,自动大写金额
  • 收款单 — 明细 + 收款方式,自动打印银行账户

🔗 一键分享

  • 生成 PDF 后弹窗提供App 内预览(PdfRenderer 渲染)
  • 一键转发微信 / 企业微信
  • 支持系统分享菜单(邮件、网盘等)

📊 预置数据

  • 客户 + 服务项目一次录入,全局复用
  • 添加时可手动改单价(默认预置价格)
  • 单号按日期自动递增,不重复
  • 删除时弹出确认对话框,防止误删

🏢 公司信息

  • 公司名、电话、地址、开户行、账号集中管理
  • 公章自动生成(弧形公司名 + 五角星)

📋 单据历史

  • 自动生成的单据自动记录
  • 支持预览、分享、删除
  • 最多保留 100 条记录

🎨 UI 优化

  • Material 3 设计语言
  • 首页卡片化设计,功能一目了然
  • 底部导航精简为 5 个
  • 页面切换动画效果
  • 暗色模式自动跟随系统

Core Features

📱 Three Document Types

  • Quotation — Select client, services, adjust quantity/price, auto-calculate total
  • Payment Reminder — Detail list + deadline, auto-convert amount to Chinese uppercase
  • Receipt — Details + payment method, auto-print bank account info

🔗 One-Tap Sharing

  • Preview PDF in-app after generation (PdfRenderer)
  • Share directly to WeChat / WeCom
  • Support system share menu (email, cloud storage, etc.)

📊 Preset Data

  • One-time entry of clients and services, reusable globally
  • Manually adjust unit price when adding (default preset price)
  • Auto-increment document number by date, no duplicates
  • Delete confirmation dialog to prevent accidental deletion

🏢 Company Info

  • Centralized management of company name, phone, address, bank, account
  • Auto-generate company seal (arc-shaped company name + five-pointed star)

📋 Document History

  • Auto-record generated documents
  • Support preview, share, delete
  • Keep up to 100 records

🎨 UI Optimization

  • Material 3 design language
  • Card-based homepage design
  • Simplified bottom navigation (5 items)
  • Page transition animations
  • Dark mode follows system settings

与桌面版对比

特性桌面版手机版
PDF 生成
公章绘制
预置数据
Excel 导入
App 内预览
一键转发微信
单据历史
暗色模式
平台WindowsAndroid

Comparison with Desktop

FeatureDesktopMobile
PDF Generation
Company Seal
Preset Data
Excel Import
In-App Preview
WeChat Sharing
Document History
Dark Mode
PlatformWindowsAndroid

技术栈

层级技术选型
UI 框架Jetpack Compose + Material 3
PDF 引擎Android PdfDocument Canvas
状态管理ViewModel + StateFlow
存储SharedPreferences + JSON
语言Kotlin

Tech Stack

LayerTechnology
UI FrameworkJetpack Compose + Material 3
PDF EngineAndroid PdfDocument Canvas
State ManagementViewModel + StateFlow
StorageSharedPreferences + JSON
LanguageKotlin

更新日志

v1.2 (2026-07-03)

  • 修复致命问题:添加 ProGuard Gson keep 规则,Release 版不再崩溃
  • 数据安全:presets.json 和 history.json 支持原子写入 + 自动备份
  • 修复三个单据页面共享 ViewModel 导致数据串台的问题
  • 修复切换单据页面时单号不刷新的问题
  • 版本号从 BuildConfig 动态读取,不再硬编码
  • FileProvider URI 提取为 remember 变量,减少重复调用
  • 复用 DataManager 实例,不再重复创建

v1.1 (2026-06-27)

  • 新增单据历史记录功能
  • 单号自动递增(格式:BJD-20260627-001)
  • 删除客户/服务时弹出确认对话框
  • 通用分享功能(支持所有 App)
  • 首页卡片化设计
  • 底部导航精简为 5 个
  • 空状态引导提示
  • 页面切换动画
  • 暗色模式支持
  • AGP 降级到 8.2.0(更稳定)
  • Release 版本开启混淆

Changelog

v1.2 (2026-07-03)

  • Critical fix: Added ProGuard Gson keep rules, Release build no longer crashes
  • Data safety: presets.json and history.json support atomic write + auto backup
  • Fixed shared ViewModel across three document pages causing data mixing
  • Fixed document number not refreshing when switching pages
  • Version number now dynamically read from BuildConfig, no longer hardcoded
  • FileProvider URI extracted as remember variable, reducing redundant calls
  • Reuse DataManager instance instead of creating new ones

v1.1 (2026-06-27)

  • Added document history feature
  • Auto-increment document number (format: BJD-20260627-001)
  • Delete confirmation dialog for clients/services
  • General sharing feature (support all apps)
  • Card-based homepage design
  • Simplified bottom navigation (5 items)
  • Empty state guidance
  • Page transition animations
  • Dark mode support
  • Downgraded AGP to 8.2.0 (more stable)
  • Enabled Release obfuscation
ESC

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