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Android 9.0中的新功能 - PrecomputedText
source link: https://juejin.im/post/5cb3e62ae51d456e2809fb72
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PrecomputedText 如字面意义一样，是用来预先计算文本的。它的诞生也是因为计算文本是一个耗时操作，它需要根据字号、字体、样式、换行等去计算，并且这个计算时间随着文字数量的增加而增加。如果这时显示的列表中恰好是这种多行的文字，那么滑动起来岂不是会掉帧
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