maoruibin / maoruibin/maoruibin.github.com
TextView maxWidth maxLength maxEms 区别
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Description
from https://blog.csdn.net/pashanhuxp/article/details/51167954
thanks http://blog.csdn.net/JavaLive09/article/details/38661773
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maxWidth=”80dp” 限制TextView最大宽度。必须与layout_width=”wrap_content”搭配使用，当指定layout_width为其他值时，maxWidth会失效。
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maxLength=”10” 限制TextView最多10个字符数。汉字、英文、数字都算一个字符。maxLength属性会使ellipsize=”end”属性失效。添加了maxLength不再会显示”…”
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maxEms=”5” 限制TextView的最大宽度为5个大写M的字符宽度。em是一个印刷排版的单位，表示字宽的单位。 em字面意思为：equal M（和M字符一致的宽度为一个单位）简称em。ems是em的复数表达。
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maxEms与maxWidth很相似，只是单位不一样，都是限制TextView的最大宽度，所以可以和ellipsize属性共用。
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Assessment
- Tech stack
- android
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
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- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100