Because something heavy ran on the UI thread: constructors, synchronous I/O, .Result or .Wait(), long event handlers, or expensive property getters. Make everything asynchronous (async/await), avoid blocking calls, and use ConfigureAwait(false) in library code that does not need the UI context.
Why does navigation sometimes freeze or block the UI thread?
Related FAQs
Couldn't find the FAQs you're looking for?
Please submit your question and answer.
Share with