Android Text, The Good The Bad and The ugly

on YouTube ↗37m

" summary

Covers concrete Android Text fixes: turn off hyphenation (default causes ~2.5× slower layout on many devices), use precomputed text + RecyclerView prefetch to move measurement off the UI thread and gain up to 10× faster text measurement (cost ~20 KB per 500 chars), avoid setText churn by prebuilding Spannables and setting a custom SpannableFactory to skip copies, avoid runtime Linkify in bind, and use BreakIterator when implementing length filters to handle multi-codepoint emoji correctly.

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" chapters (13)

1. 0:00Introduction to Android text
2. 1:56Disabling hyphenation for performance
3. 4:29Precomputed text with RecyclerView
4. 7:21How native text measurement works
5. 13:06Inflation and text view count
6. 14:56Performance pitfalls with setText
7. 18:29Efficient span checks and usage
8. 20:15Optimizing spannable strings
9. 22:24Autolink performance issues
10. 23:29Editable text and performance
11. 26:01Input method and text changes
12. 28:51Input filter and length limits
13. 35:56Resources and Q&A

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