android automatic matching drop-down menu shortcuts how to tune out

For example, I enter android: layout_width = "", cursor in the middle of two quotes , how to fall out display wrap_content, fill_content, fill_parent drop-down menu with three options , the shortcut key is what
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alt + / try this online search Kazakhstan, too Lai it.
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alt + /
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alt + /, the following is a shortcut Complete http://www.blogjava.net/action/articles/17339.html
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alt + /, Oh, really lazy ,
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learned
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learn,
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good, learn