Expert Android app startup performance optimization skill. Use when analyzing or improving Android app cold start, warm start, or hot start times. Applies to projects using Jetpack Compose, Hilt/Dagger, ContentProviders, ad SDKs, or any Android initialization bottlenecks. Triggers on phrases like "startup time", "app launch", "cold start", "slow startup", "initialization performance", "TTID", "TTFD", "baseline profiles", "startup profiles", "R8 optimization", "app startup library", or when analyzing Application.onCreate(), Activity.onCreate(), or SDK initialization patterns.
