How much water should you actually drink? A formula that beats '8 glasses a day'
The 8-glasses rule ignores your body weight, activity, and climate. Here's the body-weight formula clinicians actually use, with a worked example.
Building OldSchool's adherence calendar: turning dose taps into a day you can trust
A monthly adherence calendar looks like a single colored dot per day. Here's the event model, the day-status rules, and the on-time math behind it, on-device.
A hydration routine that doesn't rely on willpower
Most hydration advice boils down to 'drink more water' and hopes willpower fills the gap. Here's a routine built around cues and gentle nudges instead.
Android notification actions done right: marking a dose taken without opening the app
A practical guide to Android notification action buttons — PendingIntents, the trampoline restriction, goAsync(), and updating Room state safely.
Building a medication routine you'll actually stick to
A practical guide to medication adherence — why people miss doses, how reminder timing actually works, and how to build a routine that survives a bad week.
Reliable Android reminders in 2026: WorkManager, exact alarms, and the new battery rules
How to ship reminders on Android in 2026 that actually fire — WorkManager vs AlarmManager, SCHEDULE_EXACT_ALARM, POST_NOTIFICATIONS, and the OEM quirks that still bite.