Space in Android and width of Chinese characters

Use the space in the Android layout to achieve text alignment. So how do you represent a space in Android?

Space:& #160;

Narrow space:& #8201;

A space of a Chinese character width:& #160;& #160;& #8201; "With two spaces (& #160;& #160;) The width of a Chinese character, two empty aligning a character slightly narrower, three spaces (& #160; & #160;& #160;) slightly wider than a Chinese character "

Flexible use of & #160 in practical use, and & #8201 combinations.

Remark: The test of the machine

1 characters = = = & #160;& #160;& #160;& #8201;

Space in Android and width of Chinese characters