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C2.16

Touch Event Models and Cancel Events

Cards in this group · 4

  1. C2.16.1Touch sequences are modeled as begin, move, end, and cancel
  2. C2.16.2System interruptions inject cancel into an in-flight touch sequence
  3. C2.16.3Unhandled cancel events leave widgets stuck in a pressed state
  4. C2.16.4Each multitouch contact has an independent begin-move-end lifecycle