Getting the most out of Android KTX
summary
Covers concrete Android KTX extensions with code-level detail: shows doOnNextLayout optimization that checks if a View is already laid out, demonstrates isVisible boolean property mapping nonvisible to GONE, uses lambda-based listeners for animations and text watchers, explains by viewModels delegate for fragment/activity scoping, and shows coroutine scopes tied to lifecycle for automatic cancellation. Builds small utilities (decimal-limiting EditText) and confirms they simplify and prevent leaks compared to raw Java boilerplate.
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