{"id":1318,"date":"2012-03-06T15:59:29","date_gmt":"2012-03-06T07:59:29","guid":{"rendered":"http:\/\/leybreeze.com\/blog\/?p=1318"},"modified":"2012-03-11T19:49:41","modified_gmt":"2012-03-11T11:49:41","slug":"%e5%85%ac%e5%88%b6%e5%92%8c%e7%bd%91%e6%a0%bc%ef%bc%88grid%ef%bc%89","status":"publish","type":"post","link":"http:\/\/leybreeze.com\/blog\/?p=1318","title":{"rendered":"\u516c\u5236\u548c\u6846\u683c\uff08grid\uff09"},"content":{"rendered":"<p>\u8bbe\u5907\u4e0d\u4ec5\u7269\u7406\u5c3a\u5bf8\u4e0d\u540c\uff0c\u5c4f\u5e55\u5bc6\u5ea6\uff08DPI\uff0cDots Per Inch\uff09\u4e5f\u4e0d\u76f8\u540c\u3002\u4e3a\u4e86\u7b80\u5316\u5728\u4e0d\u540c\u5c4f\u5e55\u65f6\u7684\u8bbe\u8ba1\uff0c\u60f3\u8c61\u6bcf\u4e00\u79cd\u8bbe\u5907\u90fd\u88ab\u5206\u7c7b\u653e\u5165\u6307\u5b9a\u7684\u201c\u5c3a\u5bf8\u6876\u201d\u548c\u201c\u5bc6\u5ea6\u6876\u201d\u4e2d\u3002\u201c\u5c3a\u5bf8\u6876\u201d\u5206\u4e3a\u624b\u6301\u8bbe\u5907\uff08\u5c0f\u4e8e600dp\uff09\u4e0e\u5e73\u677f\u8bbe\u5907\uff08\u5927\u4e8e\u7b49\u4e8e600dp\uff09\u3002\u201c\u5bc6\u5ea6\u6876\u201d\u5206\u4e3aLDPI\uff08Low DPI\uff0c120\uff09\u3001MDPI\uff08Medium DPI\uff0c160\uff09\u3001HDPI\uff08High DPI\uff0c240\uff09\u4e0eXHDPI\uff08Extra High DPI\uff0c320\uff09\u3002\u4e3a\u4e0d\u540c\u201c\u5c3a\u5bf8\u6876\u201d\u8bbe\u8ba1\u4e0d\u540c\u7684\u754c\u9762\u5e03\u5c40\u5e76\u4e3a\u4e0d\u540c\u7684\u201c\u5bc6\u5ea6\u6876\u201d\u63d0\u4f9b\u4e0d\u540c\u7684\u4f4d\u56fe\u56fe\u7247\u4ee5\u4f18\u5316\u7a0b\u5e8f\u7684\u7528\u6237\u754c\u9762\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/developer.android.com\/design\/media\/metrics_diagram.png\" alt=\"\" \/><\/p>\n<p><strong>\u7a7a\u95f4\u95ee\u9898<\/strong><br \/>\n\u8bbe\u5907\u80fd\u591f\u663e\u793a\u7684\u5bc6\u5ea6\u65e0\u5173\u50cf\u7d20\uff08density-independent pixel\uff0cdp\uff09\u662f\u4e0d\u540c\u7684\u3002<br \/>\n\u66f4\u591a\u5185\u5bb9\u8bf7\u53c2\u89c1<a title=\"Screen Sizes and Densities\" href=\"http:\/\/developer.android.com\/resources\/dashboard\/screens.html\" target=\"_blank\">\u201c\u5c4f\u5e55\u5c3a\u5bf8\u4e0e\u5bc6\u5ea6\u201d\u6570\u636e\u9875\u9762<\/a>\u3002<\/p>\n<p><span style=\"color: #00ccff;\"><strong>48dp\u5f8b<\/strong><\/span><\/p>\n<p>\u53ef\u89e6\u63a7\u7684UI\u7ec4\u4ef6\u901a\u5e38\u662f48dp\u5927\u5c0f\u7684\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/developer.android.com\/design\/media\/metrics_48.png\" alt=\"\" width=\"608\" height=\"65\" \/><\/p>\n<p><strong>\u4e3a\u4ec0\u4e48\u662f48dp\uff1f<\/strong><br \/>\n\u901a\u5e38\uff0c48dp\u76f8\u5f53\u4e0e\u7269\u7406\u5c3a\u5bf8\u76849mm\uff08\u6709\u65f6\u53ef\u80fd\u4f1a\u6709\u4e9b\u5dee\u5f02\uff09\u3002\u8fd9\u5728\u53ef\u89e6\u63a7\u5143\u7d20\u7684\u63a8\u8350\u5c3a\u5bf8\uff087-10mm\uff09\u4e4b\u5185\uff0c\u56e0\u6b64\u7528\u6237\u53ef\u4ee5\u51c6\u786e\u5730\u7528\u624b\u6307\u6309\u4e0b\u8fd9\u4e9b\u5143\u7d20\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5c06\u5143\u7d20\u7684\u957f\u5bbd\u8bbe\u8ba1\u4e3a48dp\u4ee5\u4e0a\u7684\u8bdd\uff1a<\/p>\n<ul>\n<li>\u65e0\u8bba\u5728\u4f55\u79cd\u5c4f\u5e55\u4e0a\u4f60\u7684\u5143\u7d20\u90fd\u4e0d\u53ef\u80fd\u4f1a\u6bd4\u6700\u5c0f\u63a8\u8350\u89e6\u63a7\u5c3a\u5bf8\u76847mm\u66f4\u5c0f\u3002<\/li>\n<li>\u4f60\u5c06\u5728\u6574\u4f53\u4fe1\u606f\u5bc6\u5ea6\u548c\u754c\u9762\u5143\u7d20\u7684\u6613\u89e6\u63a7\u6027\u4e4b\u95f4\u53d6\u5f97\u5f88\u597d\u7684\u5e73\u8861\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" style=\"line-height: 21px; 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