Android ANR Investigator

Purpose

Use this skill for:

• ANR reports
• app freeze complaints
• "click does nothing"
• long startup hangs
• blocked navigation
• jank severe enough to appear frozen

Goals

• Identify what the main thread was blocked on
• Distinguish CPU-heavy work from I/O wait or lock contention
• Find the responsible code path
• Propose targeted fixes with low regression risk
• Suggest observability and performance regression checks