https://catwavesolutions.com/blog/ Build notes from the CatWave Solutions studio in Kochi — Android engineering, on-device privacy and product decisions behind our apps. en-in Tue, 21 Jul 2026 00:00:00 GMT https://catwavesolutions.com/blog/sms-app-with-no-internet-permission/ https://catwavesolutions.com/blog/sms-app-with-no-internet-permission/ Logic Inbox has no android.permission.INTERNET line in its manifest. That single omission makes the privacy claim verifiable by anyone — and it rules out analytics, crash reporting and cloud backup. Here's the trade we made. Tue, 21 Jul 2026 00:00:00 GMT Android Privacy Engineering https://catwavesolutions.com/blog/parsing-dlt-sender-ids-on-device/ https://catwavesolutions.com/blog/parsing-dlt-sender-ids-on-device/ How Logic Inbox sorts Indian SMS into Personal, Transactions, Orders and Promotions using TRAI's DLT header format, a layered rules engine and a lot of hard-won regex — with no server and no ML model. Tue, 14 Jul 2026 00:00:00 GMT Android Kotlin Engineering https://catwavesolutions.com/blog/plan-forward-is-live/ https://catwavesolutions.com/blog/plan-forward-is-live/ Our daily planner is on the Play Store. It is opinionated about one thing: capture is easy, and completion is hard — so the app is built around the morning plan and the evening review rather than around the list. Tue, 07 Jul 2026 00:00:00 GMT Product Android Launch