{"id":129,"date":"2011-05-11T22:41:44","date_gmt":"2011-05-11T14:41:44","guid":{"rendered":"http:\/\/nullthought.net\/?p=129"},"modified":"2024-08-19T16:11:46","modified_gmt":"2024-08-19T08:11:46","slug":"android3-1%e7%9a%84%e6%96%b0%e5%a2%9e%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/nullthought.net\/?p=129","title":{"rendered":"Android3.1\u7684\u65b0\u589e\u7279\u6027"},"content":{"rendered":"

Google\u5df2\u7ecf\u653e\u51faAndroid 3.1\u7684\u5f00\u53d1\u5305\u3002<\/span><\/p>\n

Android 3.1\u5f00\u53d1\u5305\u7684\u65b0\u589e\u7279\u6027\u6709\uff1a<\/span>
1.USB APIs\uff1aAndroid 3.1\u63d0\u4f9b\u4e86\u6574\u5408\u8054\u63a5\u5916\u8bbe\u7684\u5168\u65b0USB API\u3002<\/span>
2.MTP\/PTP API\uff1a\u65b0\u589eMTP\/PTP\uff08\u5a92\u4f53\u4f20\u8f93\u534f\u8bae\/\u56fe\u7247\u4f20\u8f93\u534f\u8bae\uff09 API<\/span>
3.Support for new input devices and motion events\uff1a\u6269\u5c55\u4e86\u5bf9\u5176\u4ed6\u8f93\u5165\u8bbe\u5907\u7684\u652f\u6301\u53ca\u65b0\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002\u9664\u952e\u76d8\u548c\u89e6\u5c4f\u5916\uff0c\u53ef\u652f\u6301\u9f20\u6807\u3001\u8f68\u8ff9\u7403\u3001\u6e38\u620f\u6746\u7b49\u3002<\/span>
4.RTP API\uff1a\u65b0\u589e\u4e86RTP\uff08\u5b9e\u65f6\u4f20\u9001\u534f\u8bae\uff09API\u3002VOIP, push-to-talk, conferencing, audio\u7b49\u5e94\u7528\u53ef\u4f7f\u7528\u8be5API\u5904\u7406\u6570\u636e\u6d41\u3002<\/span>
5.Resizable app widgets\uff1awidgets\u7684\u5927\u5c0f\u53ef\u4ee5\u8c03\u6574\u4e86\u3002<\/span>
6.Animation framework\uff1a\u52a8\u753b\u6846\u67b6\u65b0\u589e\u4e86\u8bf8\u5982ViewPropertyAnimator\u7b49\u7c7b\u3002<\/span>
7.UI framework\uff1a\u65b0\u589e\u4e86\u4e0d\u5c11\u7279\u6027\u3002<\/span>
8.Graphics\uff1a1)\u65b0\u589e\u4e86\u4e00\u4e9b\u7528\u4ee5\u7ba1\u7406\u548c\u64cd\u4f5c\u4f4d\u56fe(bitmap)\u7684\u65b9\u6cd5\uff1b2)\u76f8\u673a\u64cd\u4f5c\u65b0\u589e\u4e86rotate\u548csetLocation()\u65b9\u6cd5\u63a7\u5236\u76f8\u673a\u4f4d\u7f6e\uff0c\u53ef\u7528\u4e8e3D\u8f6c\u6362\u3002<\/span>
9.Network\uff1a1)\u652f\u6301\u9ad8\u6027\u80fdWi-Fi\u9501\u5b9a\uff0c\u5373\u4f7f\u5c4f\u5e55\u663e\u793a\u5173\u95ed\uff0c\u9ad8\u6027\u80fd\u7684Wi-Fi\u8054\u63a5\u8fd8\u53ef\u4ee5\u4fdd\u6301\uff1b2)\u4f7f\u7528TrafficStats\u4e2d\u7684\u65b0\u589e\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5bf9\u7f51\u7edc\u4f7f\u7528\u8fdb\u884c\u7edf\u8ba1\uff1b3)\u65b0\u589e\u65b9\u6cd5\u7528\u4ee5\u8bfb\u53d6\u548c\u8bbe\u5b9aSIP\u8ba4\u8bc1\u7528<\/span>\u6237\u540d\u3002<\/span>
10.Download Manager\uff1aAPP\u53ef\u4ee5\u8c03\u7528\u4e0b\u8f7d\u7ba1\u7406\u5668\u5904\u7406\u5df2\u5b8c\u6210\u7684\u4e0b\u8f7d\uff0c\u53ef\u4ee5\u8c03\u7528addCompletedDownload()\u65b9\u6cd5\u5728\u4e0b\u8f7d\u6570\u636e\u5e93\u4e2d\u6dfb\u52a0\u6587\u4ef6\uff0c\u53ef\u4ee5\u6309\u6587\u4ef6\u5927\u5c0f\u6392\u5e8f\u7684\u65b9\u5f0f\u542f\u52a8\u4e0b\u8f7d\u7ba1\u7406\u5668\u3002<\/span>
11.IME framework\uff1a\u53ef\u4ee5\u5904\u7406\u8f93\u5165\u6cd5\u4e2d\u7684\u6269\u5c55value key\u3002<\/span>
12.Media\uff1a\u9664\u652f\u6301FLAC\u97f3\u9891\u683c\u5f0f\u5916\uff0c\u65b0\u589e\u5bf9ADTS AAC\u97f3\u9891\u6d41\u7684\u652f\u6301\u3002<\/span>
13.Launch controls on stopped applications\uff1a\u5e94\u7528\u5305\u7ba1\u7406\u5668\u53ef\u4ee5\u5bf9\u505c\u7528\u7684APP\u5b9e\u884c\u8ddf\u8e2a\u7ba1\u7406\uff0c\u5e94\u7528\u5305\u7684\u9996\u6b21\u4f7f\u7528\u53ca\u66f4\u65b0\u72b6\u6001\u90fd\u53ef\u4ee5\u8ddf\u8e2a\u3002<\/span>
14.Core utilities\uff1a1)\u65b0\u589eLruCache\u7c7b(Least-Recently-Used(LRU)\u7f13\u5b58\u7c7b)\uff1b2)\u65b0\u589egetFd()\u548cdetachFd()\u65b9\u6cd5\uff0c\u7528\u4ee5\u83b7\u53d6\u6574\u578b\uff08int\uff09\u7684File descriptor\u3002<\/span>
15.WebKit\uff1a1)\u65b0\u589e\u5bf9\u4f7f\u7528URI scheme\u6587\u4ef6\u7684cookies\u7684\u652f\u6301\uff1b2)\u65b0\u589e\u7684onReceivedLoginRequest()\u65b9\u6cd5\u7528\u4ee5\u5904\u7406\u81ea\u52a8\u767b\u5f55\uff1b3)\u53bb\u9664\u4e86\u90e8\u5206\u7c7b\u548c\u63a5\u53e3\u3002<\/span>
16.Browser\uff1a\u65b0\u589e\u5bf9HTML5 <video>\u6807\u7b7e\u7684\u652f\u6301\u3002<\/span>
\u4e0a\u8ff0\u65b0\u589e\u7279\u6027\u7684\u8be6\u60c5\u53c2\u89c1\uff1a<\/span>http:\/\/developer.android.com\/sdk\/android-3.1.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Google\u5df2\u7ecf\u653e\u51faAndroid 3.1\u7684\u5f00\u53d1\u5305\u3002 Android 3.1\u5f00\u53d1\u5305\u7684\u65b0\u589e\u7279\u6027\u6709\uff1a1.USB A […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[66],"class_list":["post-129","post","type-post","status-publish","format-standard","hentry","category-it","tag-google"],"rttpg_featured_image_url":null,"rttpg_author":{"display_name":"NullThought","author_link":"https:\/\/nullthought.net\/?author=1"},"rttpg_comment":0,"rttpg_category":"IT<\/a>","rttpg_excerpt":"Google\u5df2\u7ecf\u653e\u51faAndroid 3.1\u7684\u5f00\u53d1\u5305\u3002 Android 3.1\u5f00\u53d1\u5305\u7684\u65b0\u589e\u7279\u6027\u6709\uff1a1.USB A…","_links":{"self":[{"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/posts\/129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nullthought.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=129"}],"version-history":[{"count":3,"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/posts\/129\/revisions"}],"predecessor-version":[{"id":4378,"href":"https:\/\/nullthought.net\/index.php?rest_route=\/wp\/v2\/posts\/129\/revisions\/4378"}],"wp:attachment":[{"href":"https:\/\/nullthought.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nullthought.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nullthought.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}