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Android Bluetooth Architecture: From API to HCIguideHow Android System Properties Work Across PartitionsguideAdb shell command to get Current Activity Name (Foreground / Top Activity )guideHow to Start and Stop Android Services via ADB ShellguideHow to Use ADB Shell Commands on AndroidguideAndroid audio_policy_configuration.xml Architecture & Setupguide

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Developer Tools

Vyapar Accounting Software: A Practical Evaluation

Vyapar may fit an India-focused small business that wants billing, inventory and GST workflows on Android and desktop—but software handling tax and customer records deserves a scenario-based trial, accountant review, restore test and exit plan before purchase.

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Android

Turn On Bluetooth and Discoverability with ADB

ADB can open Android’s trusted system dialogs for enabling Bluetooth and temporary discoverability, but the user still controls consent. This guide shows the exact intents, duration extra, device targeting, verification, and the limits of unattended automation.

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Android

Fix RecyclerView Orientation WrongConstant

`WrongConstant` is Android lint telling you that an integer came from outside the API’s documented constant set. Use the constant family declared by the parameter, then investigate dependency or lint-version drift if an official alias is still flagged.

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Flutter

Set Up Flutter on Ubuntu and Read flutter doctor

Build a reliable Flutter development environment on Ubuntu, then prove each layer works. This setup covers the Flutter SDK, Android toolchain, licenses, emulator or USB device, a real test app, and the difference between required and optional flutter doctor checks.

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