{"id":67096,"date":"2020-08-17T17:10:31","date_gmt":"2020-08-17T17:10:31","guid":{"rendered":"http:\/\/blog.jetbrains.com\/?post_type=kotlin&#038;p=67096"},"modified":"2020-09-29T09:46:48","modified_gmt":"2020-09-29T09:46:48","slug":"kotlin-1-4-released-with-a-focus-on-quality-and-performance-zh","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/zh-hans\/kotlin\/2020\/08\/kotlin-1-4-released-with-a-focus-on-quality-and-performance-zh\/","title":{"rendered":"Kotlin 1.4 \u73b0\u5df2\u53d1\u5e03\uff0c\u4e13\u6ce8\u4e8e\u8d28\u91cf\u548c\u6027\u80fd"},"content":{"rendered":"<p>Kotlin 1.4.0 \u4eca\u65e5\u53d1\u5e03\uff01 \u5728\u8fc7\u53bb\u7684\u51e0\u5e74\u91cc\uff0c\u6211\u4eec\u4e00\u76f4\u5728\u52aa\u529b\u4f7f Kotlin \u6210\u4e3a\u4e00\u79cd\u6709\u8da3\u3001\u4ee4\u4eba\u6109\u5feb\u4e14\u9ad8\u6548\u7684\u7f16\u7a0b\u8bed\u8a00\u3002 \u4e3a\u4e86\u501f\u52a9\u6b64\u7248\u672c\u7684 Kotlin \u7ee7\u7eed\u8ffd\u6c42\u8fd9\u4e00\u76ee\u6807\uff0c\u6211\u4eec\u6295\u5165\u4e86\u5927\u91cf\u7cbe\u529b\u548c\u52aa\u529b\u6765\u63d0\u9ad8 Kotlin \u53ca\u5176\u5de5\u5177\u7684\u6027\u80fd\u548c\u8d28\u91cf\u3002 \u6211\u4eec\u4e5f\u5f88\u5174\u594b\u5730\u5ba3\u5e03\u652f\u6301\u591a\u79cd\u65b0\u7684\u8bed\u8a00\u529f\u80fd\uff0c\u5305\u62ec\u671f\u5f85\u5df2\u4e45\u7684 Kotlin \u63a5\u53e3\u7684 SAM \u8f6c\u6362\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/image-1597417083773.png\" alt=\"file\" \/><\/p>\n<p>\u4e3a\u4e86\u5e2e\u52a9\u60a8\u5145\u5206\u5229\u7528 Kotlin 1.4 \u4e2d\u5f15\u5165\u7684\u53d8\u66f4\u548c\u6539\u8fdb\uff0c\u6211\u4eec\u9080\u8bf7\u6240\u6709\u4eba\u53c2\u52a0 <a href=\"https:\/\/kotlinlang.org\/lp\/event-14\" target=\"_blank\" rel=\"noopener\">Kotlin 1.4 \u5728\u7ebf\u6d3b\u52a8<\/a>\uff0c\u5728\u4e3a\u671f\u56db\u5929\u7684\u6d3b\u52a8\u4e2d\uff0c\u60a8\u5c06\u80fd\u591f\u53c2\u4e0e Kotlin \u6f14\u8bb2\u3001Kotlin \u56e2\u961f\u95ee\u7b54\u7b49\u6d3b\u52a8\u2014\u2014\u5b8c\u5168\u514d\u8d39\uff01<\/p>\n<h2 id=\"compiler-and-ecosystem\">\u793e\u533a\u548c\u751f\u6001\u7cfb\u7edf<\/h2>\n<p>\u5728\u8fc7\u53bb 12 \u4e2a\u6708\u91cc\uff0c\u6709\u8d85\u8fc7 580 \u4e07\u4eba\u7f16\u8f91\u4e86 Kotlin \u4ee3\u7801\uff0c\u800c\u4e14\u6570\u91cf\u8fd8\u5728\u4e0d\u65ad\u589e\u957f\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/image-1596831871952.png\" alt=\"\u6587\u4ef6\" \/><\/p>\n<p>\u6211\u4eec\u5f88\u9ad8\u5174\u770b\u5230 Kotlin \u53d8\u5f97\u8d8a\u6765\u8d8a\u53d7\u6b22\u8fce\uff01 \u6d3b\u8dc3\u7528\u6237\u7684\u6570\u91cf\u5c24\u5176\u9f13\u821e\u4eba\u5fc3\uff0c\u6211\u4eec\u5c06\u5728\u672a\u6765\u7684\u535a\u6587\u4e2d\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e00\u6307\u6807\u3002 \u8fd9\u4e2a\u6570\u5b57\u6bd4\u4e0a\u4e00\u5e74\u589e\u52a0\u4e86 1.5 \u500d\u3002<\/p>\n<p>\u6839\u636e <a href=\"https:\/\/insights.stackoverflow.com\/survey\/2020#most-popular-technologies\" target=\"_blank\" rel=\"noopener\">2020 StackOverflow \u5f00\u53d1\u8005\u8c03\u67e5<\/a>\uff0c\u5728\u6700\u53d7\u4e13\u4e1a\u5f00\u53d1\u8005\u6b22\u8fce\u7684\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0cKotlin \u5df2\u6500\u5347\u81f3\u7b2c 13 \u4f4d\uff0c\u6211\u4eec\u5f88\u9ad8\u5174\u770b\u5230 Kotlin \u6210\u4e3a\u6700\u53d7\u559c\u7231\u7684 5 \u79cd\u8bed\u8a00\u4e4b\u4e00\u3002<\/p>\n<p>\u8bb8\u591a\u516c\u53f8\u9009\u62e9 Kotlin \u4f5c\u4e3a\u4ed6\u4eec\u7684\u9996\u9009\u8bed\u8a00\uff0c\u5e76\u4e14\u5df2\u5728\u6240\u6709\u5e73\u53f0\u4e0a\u6210\u529f\u4f7f\u7528 Kotlin\u3002 \u6211\u4eec\u5f88\u9ad8\u5174\u770b\u5230\u8fd9\u79cd\u8d8b\u52bf\uff0c\u5e76\u4e14\u975e\u5e38\u611f\u8c22\u5f88\u591a\u8fd9\u6837\u7684\u516c\u53f8\u63d0\u4f9b\u4e86\u5404\u79cd\u6848\u4f8b\u7814\u7a76\u4f9b\u793e\u533a\u9605\u8bfb\u548c\u5b66\u4e60\u3002 \u4e0b\u9762\u662f\u4e00\u4e9b\u6700\u8fd1\u4f7f\u7528 Kotlin \u5f00\u53d1\u7684\u4f18\u79c0\u8f6f\u4ef6\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u7aef\uff1a<a href=\"https:\/\/www.youtube.com\/watch?v=4GkoB4hZUnw\" target=\"_blank\" rel=\"noopener\">Atlassian<\/a>\u3001<a href=\"https:\/\/medium.com\/adobetech\/streamlining-server-side-app-development-with-kotlin-be8cf9d8b61a\" target=\"_blank\" rel=\"noopener\">Adobe<\/a>\u3001<a href=\"https:\/\/medium.com\/ing-blog\/introducing-kotlin-at-ing-a-long-but-rewarding-story-1bfcd3dc8da0\" target=\"_blank\" rel=\"noopener\">ING Bank<\/a>\uff1b<\/li>\n<li>Android\uff1a<a href=\"https:\/\/developer.android.com\/stories\/apps\/google-home\" target=\"_blank\" rel=\"noopener\">Google Home<\/a>\u3001<a href=\"https:\/\/developer.android.com\/stories\/apps\/duolingo-kotlin\" target=\"_blank\" rel=\"noopener\">Duolingo<\/a>\u3001<a href=\"https:\/\/www.youtube.com\/watch?v=ao9QvtpszOU\" target=\"_blank\" rel=\"noopener\">Zomato<\/a>\uff1b<\/li>\n<li>\u591a\u5e73\u53f0\u79fb\u52a8\u7aef\uff1a<a href=\"https:\/\/medium.com\/vmware-end-user-computing\/adopting-a-cross-platform-strategy-for-mobile-apps-59495ffa23b0\" target=\"_blank\" rel=\"noopener\">VMware<\/a>\u3001<a href=\"https:\/\/kotlinconf.com\/2019\/talks\/video\/2019\/116027\/\" target=\"_blank\" rel=\"noopener\">PlanGrid \u548c CashApp<\/a>\u3001Mirego \u7684 <a href=\"https:\/\/shift.mirego.com\/en\/trikot\" target=\"_blank\" rel=\"noopener\">Trikot<\/a>\uff1b<\/li>\n<li>Web\uff1a<a href=\"https:\/\/kotlinconf.com\/2019\/talks\/video\/2019\/137062\/\" target=\"_blank\" rel=\"noopener\">JetBrains \u7684 Space<\/a>\u3001<a href=\"https:\/\/www.karhoo.com\/\" target=\"_blank\" rel=\"noopener\">Karhoo<\/a>\u3001<a href=\"https:\/\/github.com\/mipt-npm\" target=\"_blank\" rel=\"noopener\">MIPT \u6838\u7269\u7406\u65b9\u6cd5\u5b9e\u9a8c\u5ba4<\/a>\u7684 <a href=\"https:\/\/www.youtube.com\/watch?v=lzsF0NuhS6g\" target=\"_blank\" rel=\"noopener\">VisionForge<\/a>\u3002<\/li>\n<\/ul>\n<p>\u6211\u4eec\u7684 Kotlin \u793e\u533a\u4e5f\u5728\u8fc5\u901f\u58ee\u5927\u3002 \u73b0\u5728\uff0c\u8d85\u8fc7 30,000 \u540d Kotlin \u5f00\u53d1\u8005\u5728 <a href=\"http:\/\/kotlinlang.slack.com\/\" target=\"_blank\" rel=\"noopener\">Slack<\/a> \u548c <a href=\"https:\/\/www.reddit.com\/r\/Kotlin\/\" target=\"_blank\" rel=\"noopener\">Reddit<\/a> \u4e0a\u4ea4\u6d41\u77e5\u8bc6\u5e76\u76f8\u4e92\u652f\u6301\uff0c\u540c\u65f6\u8d85\u8fc7 90,000 \u4eba\u5173\u6ce8\u4e86\u6211\u4eec\u7684\u5b98\u65b9 <a href=\"https:\/\/twitter.com\/kotlin\" target=\"_blank\" rel=\"noopener\">Twitter \u5e10\u53f7<\/a>\u6765\u83b7\u53d6\u63d0\u793a\u3001\u6280\u5de7\u548c\u516c\u544a\u3002 Kotlin \u793e\u533a\u5728\u5168\u7403\u62e5\u6709\u8d85\u8fc7 200 \u4e2a\u7528\u6237\u5c0f\u7ec4\uff0c\u5e76\u4e14\u6b63\u5728\u84ec\u52c3\u53d1\u5c55\u3002 \u6211\u4eec\u611f\u8c22\u6240\u6709\u4eba\u5e2e\u52a9\u4f20\u64ad\u4fe1\u606f\u3001\u5206\u4eab\u77e5\u8bc6\u4ee5\u53ca\u652f\u6301\u5176\u4ed6 Kotlin \u5f00\u53d1\u8005\u3002 \u5927\u5bb6\u521b\u9020\u7684\u6e29\u6696\u800c\u4eb2\u5207\u7684\u6c1b\u56f4\u8ba9\u5171\u540c\u63a2\u7d22 Kotlin \u6210\u4e3a\u4e00\u79cd\u6109\u5feb\u7684\u4f53\u9a8c\u3002 \u6ca1\u6709\u60a8\uff0c\u5c31\u4e0d\u4f1a\u6709\u4eca\u5929\u7684 Kotlin\u3002<\/p>\n<h3 id=\"online-event\">Kotlin 1.4 \u5728\u7ebf\u6d3b\u52a8<\/h3>\n<p>\u6211\u4eec\u5e0c\u671b\u786e\u4fdd\u60a8\u62e5\u6709\u51fa\u8272\u7684 Kotlin 1.4 \u4f7f\u7528\u4f53\u9a8c\uff0c\u5e76\u5e0c\u671b\u60a8\u5bf9\u8be5\u8bed\u8a00\u7684\u4e0b\u4e00\u6b65\u53d1\u5c55\u6709\u4e00\u4e2a\u5f88\u597d\u7684\u4e86\u89e3\u3002 \u56e0\u6b64\uff0c\u6211\u4eec\u9ad8\u5174\u5730\u9080\u8bf7\u5927\u5bb6\u53c2\u52a0\u6211\u4eec\u7684 Kotlin 1.4 \u5728\u7ebf\u6d3b\u52a8\uff01<\/p>\n<p>\u8fd9\u6b21\u6d3b\u52a8\u4e3a\u671f\u56db\u5929\uff0c\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u6709\u5173 Kotlin \u4ee5\u53ca\u8be5\u8bed\u8a00\u4e0e\u5176\u751f\u6001\u7cfb\u7edf\u7684\u672a\u6765\u7684\u77e5\u8bc6\uff1a\u6211\u4eec\u5c06\u63a2\u8ba8 Kotlin 1.4 \u7684\u5168\u65b0\u53d8\u66f4\u548c\u6539\u8fdb\uff0c\u5e76\u5206\u4eab\u6211\u4eec\u5bf9\u8be5\u8bed\u8a00\u7684\u672a\u6765\u8ba1\u5212\u3002 \u6211\u4eec\u7684 Kotlin \u56e2\u961f\u6210\u5458\u5c06\u5728\u6bcf\u65e5\u95ee\u7b54\u73af\u8282\u4e2d\u56de\u7b54\u60a8\u7684\u95ee\u9898\u3002 \u901a\u8fc7\u4f7f\u7528 <a href=\"https:\/\/twitter.com\/search?q=%23kotlin14ask&amp;src=typed_query\" target=\"_blank\" rel=\"noopener\">#kotlin14ask<\/a> \u6807\u7b7e\u5728 Twitter \u4e0a\u53d1\u8868\u63a8\u6587\u6216\u8005\u4f7f\u7528<a href=\"https:\/\/surveys.jetbrains.com\/s3\/Q-A-Your-question-for-the-Kotlin-team\" target=\"_blank\" rel=\"noopener\">\u6b64\u8868\u5355<\/a>\u63d0\u524d\u63d0\u4ea4\u60a8\u7684\u95ee\u9898\u3002<\/p>\n<p>Kotlin 1.4 \u5728\u7ebf\u6d3b\u52a8\u5c06\u4e8e 10 \u6708 12 \u65e5\u81f3 15 \u65e5\u76f4\u64ad\uff0c\u60a8\u53ef\u4ee5\u5728\u6b64\u5904_\u514d\u8d39_\u6ce8\u518c\uff1a<\/p>\n<p align=\"center\"><a class=\"jb-download-button\" href=\"https:\/\/kotlinlang.org\/lp\/event-14#registration\" target=\"_blank\" rel=\"noopener\"><i class=\"download-icon\"><\/i>\u6ce8\u518c Kotlin 1.4 \u5728\u7ebf\u6d3b\u52a8<\/a><\/p>\n<p>\u6211\u4eec\u671f\u5f85\u4e0e\u5927\u5bb6\u89c1\u9762\uff01<\/p>\n<h2 id=\"focusing-on-quality\">\u4e13\u6ce8\u4e8e\u8d28\u91cf<\/h2>\n<p>\u6b64\u7248\u672c\u7684\u91cd\u70b9\u662f\u6539\u5584 Kotlin \u7684\u6574\u4f53\u5f00\u53d1\u4f53\u9a8c\uff0c\u5305\u62ec\u63d0\u9ad8 IDE \u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002 \u6211\u4eec\u7684\u76ee\u6807\u662f\u4f7f Kotlin \u7528\u6237\u5c3d\u53ef\u80fd\u9ad8\u6548\u5de5\u4f5c\uff0c\u5e76\u4e14\u6211\u4eec\u4e13\u6ce8\u4e8e\u6539\u8fdb\u5bf9\u7528\u6237\u6700\u91cd\u8981\u7684\u529f\u80fd\uff0c\u8ba9\u4ed6\u4eec\u5728\u4f7f\u7528\u65f6\u66f4\u52a0\u6ee1\u610f\uff01<\/p>\n<p>\u6211\u4eec\u68c0\u67e5\u548c\u4fee\u590d\u4e86<a href=\"https:\/\/youtrack.jetbrains.com\/issues?q=%23%7BPerformance%20Problem%7D%20Subsystems:%20%7BIDE*%7D%20%23Fixed%20resolved%20date:%202019-10%20..%20Today%20and%20Target%20versions:%20-1.4.20\" target=\"_blank\" rel=\"noopener\">\u8d85\u8fc7 60 \u4e2a<\/a>\u6027\u80fd\u95ee\u9898\uff0c\u5305\u62ec\u5bfc\u81f4 IDE \u51bb\u7ed3\u6216\u5185\u5b58\u6cc4\u6f0f\u7684\u8bb8\u591a\u95ee\u9898\u3002 \u5728 Kotlin 1.4.0 \u7684 EAP \u9636\u6bb5\u4e2d\uff0c\u6211\u4eec\u6536\u96c6\u5230\u8bb8\u591a\u79ef\u6781\u53cd\u9988\uff0c\u8fd9\u8868\u660e\u6574\u4f53\u4f53\u9a8c\u73b0\u5728\u53d8\u5f97\u76f8\u5f53\u51fa\u8272\uff01<\/p>\n<p>\u5f53\u60a8\u7b2c\u4e00\u6b21\u5904\u7406\u9879\u76ee\u5e76\u6253\u5f00\u4e00\u4e2a\u8f83\u5927\u7684 Kotlin \u6587\u4ef6\u65f6\uff0c\u73b0\u5728\u53ef\u4ee5\u66f4\u5feb\u5730\u770b\u5230\u9ad8\u4eae\u663e\u793a\u7684\u5185\u5bb9\u3002 \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u9ad8\u4eae\u663e\u793a\u7684\u901f\u5ea6\u73b0\u5728\u63d0\u9ad8\u4e86 1.5-4 \u500d\uff1a<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/image-1596832840332.png\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Kotlin\/1.4-release-highlighting.gif\" width=\"607\" height=\"454\" \/><\/p>\n<p>\u6211\u4eec\u8fd8\u5927\u5e45\u7f29\u77ed\u4e86\u663e\u793a\u81ea\u52a8\u8865\u5168\u5efa\u8bae\u6240\u82b1\u7684\u65f6\u95f4\u3002 \u4e0b\u56fe\u6982\u8ff0\u4e86 Kotlin \u7528\u6237\u6240\u7ecf\u5386\u7684\u5e73\u5747\u81ea\u52a8\u8865\u5168\u54cd\u5e94\u65f6\u95f4\u3002 \u8865\u5168\u65f6\u95f4\u8d85\u8fc7 500 \u6beb\u79d2\u7684\u60c5\u51b5\u51e0\u4e4e\u51cf\u5c11\u4e86\u4e00\u534a\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/image-1597151211621.png\" alt=\"\u6587\u4ef6\" \/><\/p>\n<p>\u8bf7\u6ce8\u610f\uff0c\u8fd9\u4e9b\u6700\u65b0\u66f4\u6539\uff08\u5305\u62ec\u52a0\u901f\u7684\u4ee3\u7801\u9ad8\u4eae\u663e\u793a\uff09 \u53ea\u80fd\u4e0e IntelliJ IDEA 2020.1+ \u548c Android Studio 4.1+ \u4f7f\u7528\u3002<\/p>\n<p>\u6027\u80fd\u6539\u8fdb\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u8fc7\u7a0b\uff0c\u6211\u4eec\u8fd8\u6709\u66f4\u591a\u589e\u5f3a\u8ba1\u5212\uff0c\u4f8b\u5982\u7ee7\u7eed\u52aa\u529b\u6d88\u9664\u51bb\u7ed3\u4ee5\u53ca\u4f7f\u8f93\u5165\u66f4\u52a0\u6d41\u7545\u3002 \u6211\u4eec\u5df2\u5f00\u59cb\u96c6\u6210\u65b0\u7684\u5b9e\u9a8c\u6027 Kotlin <a href=\"#new-compiler\">\u7f16\u8bd1\u5668\u524d\u7aef<\/a>\uff0c\u8fd9\u5c06\u8fdb\u4e00\u6b65\u63d0\u9ad8 IDE \u7684\u901f\u5ea6\u3002 \u8fd9\u662f\u4e00\u9879\u8270\u5de8\u7684\u4efb\u52a1\uff0c\u9700\u8981\u91cd\u5199\u63d2\u4ef6\u7684\u8bb8\u591a\u90e8\u5206\uff0c\u4f46\u662f\u5b83\u5c06\u63d0\u9ad8 IDE \u5728\u8bb8\u591a\u65b9\u9762\u7684\u6027\u80fd\uff0c\u5305\u62ec\u4ee3\u7801\u8865\u5168\u3001\u8bed\u6cd5\u9ad8\u4eae\u663e\u793a\u548c\u7f16\u8bd1\u5668\u9519\u8bef\u62a5\u544a\u3002<\/p>\n<h3 id=\"new-ide-functionality\">IDE \u65b0\u529f\u80fd<\/h3>\n<p>JetBrains \u7684\u4f7f\u547d\u662f\u8ba9\u8f6f\u4ef6\u5f00\u53d1\u66f4\u52a0\u9ad8\u6548\u548c\u6709\u8da3\uff0c\u56e0\u6b64\u6211\u4eec\u81ea\u7136\u5e0c\u671b\u786e\u4fdd\u56f4\u7ed5 Kotlin \u6253\u9020\u7684\u5de5\u5177\u975e\u5e38\u51fa\u8272\uff0c\u5e76\u4f7f Kotlin \u7f16\u7801\u5c3d\u53ef\u80fd\u7b80\u5355\u3002<\/p>\n<p>\u4e3a\u4e86\u8ba9\u60a8\u66f4\u8f7b\u677e\u5730\u4f7f\u7528\u534f\u540c\u7a0b\u5e8f\uff0c\u5c24\u5176\u662f\u67e5\u660e\u5e76\u53d1\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u9519\u8bef\uff0c\u6211\u4eec\u5f15\u5165\u4e86<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#coroutine-debugger\" target=\"_blank\" rel=\"noopener\">\u534f\u540c\u7a0b\u5e8f\u8c03\u8bd5\u5668<\/a>\u3002 \u6211\u4eec\u5c06\u6269\u5c55\u5176\u521d\u59cb\u529f\u80fd\u96c6\uff0c\u4ee5\u63d0\u4f9b\u793e\u533a\u6700\u9700\u8981\u7684\u529f\u80fd\uff0c\u56e0\u6b64\u8bf7\u4f7f\u7528\u6211\u4eec\u7684\u6e20\u9053\u4e4b\u4e00\u6216\u5728\u4e0b\u9762\u7684\u8bc4\u8bba\u90e8\u5206\u4e2d\u4e0e\u6211\u4eec\u5206\u4eab\u60a8\u7684\u53cd\u9988\u3002<\/p>\n<p>\u6211\u4eec\u8fd8\u5f15\u5165\u4e86\u4e00\u4e2a\u7075\u6d3b\u7684\u65b0 <a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#new-flexible-project-wizard\" target=\"_blank\" rel=\"noopener\">Kotlin Project Wizard<\/a>\u3002 \u8fd9\u4e2a\u65b0\u5411\u5bfc\u4e3a\u60a8\u63d0\u4f9b\u4e86\u4e00\u4e2a\u521b\u5efa\u548c\u914d\u7f6e\u4e0d\u540c\u7c7b\u578b\u7684 Kotlin \u9879\u76ee\u7684\u5730\u65b9\uff0c\u5373\u4f7f\u4f7f\u7528\u66f4\u590d\u6742\u7684\u7ed3\u6784\uff08\u4f8b\u5982\u591a\u5e73\u53f0\u9879\u76ee\uff09\uff0c\u4e5f\u53ef\u4ee5\u8f7b\u677e\u4e0a\u624b\u3002<\/p>\n<p>Kotlin 1.4.0 \u6dfb\u52a0\u4e86\u8d85\u8fc7 <a href=\"https:\/\/youtrack.jetbrains.com\/issues?q=%23Feature%20Subsystems:%20%7BIDE.%20Inspections%20and%20Intentions%7D%20%23Fixed%20resolved%20date:%202019-10%20..%20Today%20and%20Target%20versions:%20-1.4.20\" target=\"_blank\" rel=\"noopener\">40 \u9879\u65b0\u7684\u5feb\u901f\u4fee\u590d<\/a>\u3001\u610f\u56fe\u548c\u68c0\u67e5\uff0c\u5b83\u4eec\u5c06\u5728\u60a8\u9700\u8981\u65f6\u63d0\u4f9b\u5e2e\u52a9\u2014\u2014\u4fee\u6539\u4ee3\u7801\u65f6\uff0c<a href=\"https:\/\/www.jetbrains.com\/help\/idea\/intention-actions.html#apply-intention-actions\" target=\"_blank\" rel=\"noopener\">\u6309 Alt+Enter<\/a> \u53ef\u4ee5\u67e5\u770b\u5728\u7279\u5b9a\u4e0a\u4e0b\u6587\u4e2d\u53ef\u7528\u7684\u529f\u80fd\u3002<\/p>\n<h3 id=\"new-compiler\">\u65b0\u7684\u7f16\u8bd1\u5668<\/h3>\n<p>\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\u4ee5\u6765\uff0c\u6211\u4eec\u4e00\u76f4\u5728\u5f00\u53d1\u4e00\u4e2a\u65b0\u7684 Kotlin \u7f16\u8bd1\u5668\uff0c\u5b83\u5c06\u5728\u6027\u80fd\u548c\u53ef\u6269\u5c55\u6027\u65b9\u9762\u8fdb\u4e00\u6b65\u63a8\u52a8 Kotlin \u7684\u53d1\u5c55\u3002 \u65b0\u7f16\u8bd1\u5668\u7684\u4e3b\u8981\u76ee\u6807\u662f\u53d8\u5f97\u66f4\u5feb\u901f\u3001\u7edf\u4e00 Kotlin \u652f\u6301\u7684\u6240\u6709\u5e73\u53f0\uff0c\u5e76\u63d0\u4f9b\u7528\u4e8e\u7f16\u8bd1\u5668\u6269\u5c55\u7684 API\u3002 \u6211\u4eec\u5c06\u9010\u6b65\u5f15\u5165\u65b0\u7684\u90e8\u5206\uff0c\u4ee5\u4fbf\u5b83\u4eec\u5c3d\u5feb\u5230\u8fbe\u7528\u6237\u624b\u4e2d\u3002 \u5728 Kotlin 1.4.0 \u4e2d\uff0c\u6211\u4eec\u53d1\u5e03\u4e86\u51e0\u9879\u6b63\u5728\u8fdb\u884c\u7684\u5de5\u4f5c\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#new-more-powerful-type-inference-algorithm\" target=\"_blank\" rel=\"noopener\">\u66f4\u5f3a\u5927\u7684\u65b0\u7c7b\u578b\u63a8\u7406\u7b97\u6cd5<\/a>\u9ed8\u8ba4\u542f\u7528\u3002 \u5b83\u53ef\u4ee5\u5728\u66f4\u591a\u7528\u4f8b\u4e2d\u81ea\u52a8\u63a8\u7406\u7c7b\u578b\uff0c\u5373\u4f7f\u5728\u590d\u6742\u7684\u573a\u666f\u4e0b\u4e5f\u652f\u6301\u667a\u80fd\u8f6c\u6362\uff0c\u6539\u8fdb\u4e86\u59d4\u6258\u5c5e\u6027\u7684\u63a8\u7406\uff0c\u7b49\u7b49\u3002<\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#unified-backends-and-extensibility\" target=\"_blank\" rel=\"noopener\">\u65b0\u7684 JVM \u548c JS \u540e\u7aef<\/a>\u4ee5 <a href=\"https:\/\/kotlinlang.org\/docs\/reference\/evolution\/components-stability.html\" target=\"_blank\" rel=\"noopener\">Alpha<\/a> \u6a21\u5f0f\u63d0\u4f9b\u3002 \u4e00\u65e6\u7a33\u5b9a\u4e0b\u6765\uff0c\u5b83\u4eec\u5c31\u4f1a\u6210\u4e3a\u65b0\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<p>\u6211\u4eec\u6b63\u5728\u79ef\u6781\u5f00\u53d1\u65b0\u7684\u524d\u7aef\u5b9e\u73b0\uff0c\u5b83\u5c06\u5728\u7f16\u8bd1\u5668\u7ba1\u9053\u4e2d\u63d0\u4f9b\u6700\u5927\u7684\u6027\u80fd\u63d0\u5347\u3002 \u6b64\u524d\u7aef\u662f\u7f16\u8bd1\u5668\u7684\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u89e3\u6790\u4ee3\u7801\u548c\u540d\u79f0\u3001\u6267\u884c\u7c7b\u578b\u68c0\u67e5\u7b49\uff0c\u56e0\u6b64\u4e5f\u4f1a\u5f71\u54cd IDE \u7684\u6027\u80fd\u3002\u3002 \u6211\u4eec\u5c06\u5728\u672a\u6765\u7248\u672c\u4e2d\u63d0\u4f9b\u5b83\u7684\u9884\u89c8\uff0c\u656c\u8bf7\u5173\u6ce8\uff01<\/p>\n<h2 id=\"language-features\">\u8bed\u8a00\u529f\u80fd<\/h2>\n<p>Kotlin 1.4 \u63d0\u4f9b\u4e86\u8bb8\u591a\u65b0\u529f\u80fd\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#sam-conversions-for-kotlin-interfaces\" target=\"_blank\" rel=\"noopener\">Kotlin \u63a5\u53e3\u7684 SAM \u8f6c\u6362<\/a><\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#explicit-api-mode-for-library-authors\" target=\"_blank\" rel=\"noopener\">\u5e93\u4f5c\u8005\u7684\u663e\u5f0f API \u6a21\u5f0f<\/a><\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#mixing-named-and-positional-arguments\" target=\"_blank\" rel=\"noopener\">\u6df7\u5408\u547d\u540d\u548c\u4f4d\u7f6e\u53c2\u6570<\/a><\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#trailing-comma\" target=\"_blank\" rel=\"noopener\">\u5c3e\u968f\u9017\u53f7<\/a><\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#callable-reference-improvements\" target=\"_blank\" rel=\"noopener\">\u53ef\u8c03\u7528\u7684\u5f15\u7528\u6539\u8fdb<\/a><\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#using-break-and-continue-inside-when-expressions-included-in-loops\" target=\"_blank\" rel=\"noopener\">\u5728\u5faa\u73af\u7684 <code>when<\/code> \u5185\u4f7f\u7528 <code>break<\/code> \u548c <code>continue<\/code><\/a><\/li>\n<\/ul>\n<h2 id=\"library-improvements\">\u5e93\u6539\u8fdb<\/h2>\n<p>\u5bf9\u4e8e\u6807\u51c6\u5e93\uff0c\u6211\u4eec\u901a\u5e38\u4f18\u5148\u8003\u8651\u7684\u662f\u63d0\u9ad8\u8de8\u4e0d\u540c\u5e73\u53f0\u548c\u64cd\u4f5c\u672c\u8eab\u4e4b\u95f4\u7684\u4e00\u81f4\u6027\u3002 \u5728\u6b64\u7248\u672c\u4e2d\uff0cKotlin \u6807\u51c6\u5e93\u83b7\u5f97\u4e86<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#new-functions-for-arrays-and-collections\" target=\"_blank\" rel=\"noopener\">\u65b0\u96c6\u5408\u8fd0\u7b97\u7b26<\/a>\u3001<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#delegated-properties-improvements\" target=\"_blank\" rel=\"noopener\">\u59d4\u6258\u5c5e\u6027\u6539\u8fdb<\/a>\u4ee5\u53ca<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#arraydeque\" target=\"_blank\" rel=\"noopener\">\u53cc\u7aef\u961f\u5217\u5b9e\u73b0 <code>ArrayDeque<\/code><\/a>\uff0c<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#standard-library\" target=\"_blank\" rel=\"noopener\">\u7b49\u7b49<\/a>\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u5728\u201c\u901a\u7528\u201d\u4ee3\u7801\u4e2d\u4f7f\u7528\u6807\u51c6\u5e93\uff0c\u201c\u901a\u7528\u201d\u4ee3\u7801\u662f\u6307\u5728\u4e0d\u540c\u7684\u5e73\u53f0\uff08\u5373 Android \u4e0e iOS \u6216 JVM \u4e0e JS\uff09\u4e4b\u95f4\u5171\u4eab\u7684\u4ee3\u7801\u3002 \u6211\u4eec\u5c06\u9010\u6b65\u6269\u5c55\u901a\u7528\u5e93\uff0c\u5e76\u5411\u5176\u6dfb\u52a0\u6216\u5f15\u5165\u7f3a\u5c11\u7684\u529f\u80fd\u3002<\/p>\n<p>\u65e0\u8bba\u60a8\u662f\u9488\u5bf9\u5355\u4e00\u5e73\u53f0\u8fd8\u662f\u5728\u591a\u5e73\u53f0\u9879\u76ee\u4e2d\u5de5\u4f5c\uff0c\u5728\u4efb\u4f55 Gradle Kotlin \u9879\u76ee\u4e2d\uff0c\u90fd\u4e0d\u518d\u9700\u8981\u58f0\u660e\u4e0e <code>stdlib<\/code> \u7684\u4f9d\u8d56\u5173\u7cfb\u3002 \u4ece Kotlin 1.4.0 \u5f00\u59cb\uff0c\u6b64\u4f9d\u8d56\u5173\u7cfb<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#dependency-on-the-standard-library-added-by-default\" target=\"_blank\" rel=\"noopener\">\u9ed8\u8ba4\u6dfb\u52a0<\/a>\u3002<\/p>\n<p>\u6211\u4eec\u6b63\u5728\u5f00\u53d1 Kotlin \u751f\u6001\u7cfb\u7edf\u7684\u5176\u4ed6\u90e8\u5206\uff1a<\/p>\n<ul>\n<li>\u6211\u4eec\u6b63\u6839\u636e\u5927\u5bb6\u7684\u53cd\u9988\u9010\u6b65\u6539\u8fdb <a href=\"https:\/\/github.com\/Kotlin\/kotlinx.coroutines\" target=\"_blank\" rel=\"noopener\">kotlinx.coroutines<\/a>\u3002<\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/serialization.html\" target=\"_blank\" rel=\"noopener\">\u5e8f\u5217\u5316\u5e93<\/a>\u8d8a\u6765\u8d8a\u63a5\u8fd1\u6210\u719f\u3002 <a href=\"https:\/\/github.com\/Kotlin\/kotlinx.serialization\/releases\/tag\/1.0.0-RC\" target=\"_blank\" rel=\"noopener\">kotlinx.serialization<\/a> 1.0.0-RC \u7248\u672c\u4eca\u65e5\u53d1\u5e03\uff01<\/li>\n<li>\u6211\u4eec\u5df2\u7ecf\u53d1\u5e03\u4e86 DateTime API \u9884\u89c8\u7248\uff0c\u5373\u5904\u4e8e\u5b9e\u9a8c\u9636\u6bb5\u7684 <a href=\"https:\/\/github.com\/Kotlin\/kotlinx-datetime\" target=\"_blank\" rel=\"noopener\">kotlinx-datetime<\/a> \u5e93\u3002<\/li>\n<\/ul>\n<h2 id=\"kotlin-jvm\">Kotlin\/JVM<\/h2>\n<p>\u6211\u4eec\u9f13\u52b1\u60a8\u5bf9\u5e38\u89c4\u9879\u76ee\u8bd5\u7528\u65b0\u7684 Alpha <a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#new-jvm-ir-backend\" target=\"_blank\" rel=\"noopener\">Kotlin\/JVM \u540e\u7aef<\/a>\uff0c\u5e76\u5206\u4eab\u60a8\u7684\u53cd\u9988\uff01 \u9664\u4e86\u7edf\u4e00\u7f16\u8bd1\u5668\u7ba1\u9053\u5916\uff0c\u8fd9\u9879\u5de5\u4f5c\u8fd8\u4f1a\u5e2e\u52a9\u6211\u4eec\u66f4\u5feb\u5730\u5c06 <a href=\"https:\/\/developer.android.com\/jetpack\/compose\" target=\"_blank\" rel=\"noopener\">Jetpack Compose<\/a> \u4e4b\u7c7b\u7684\u7f16\u8bd1\u5668\u6269\u5c55\u5f15\u5165 Kotlin \u793e\u533a\u3002<\/p>\n<p>\u7279\u5b9a\u4e8e Kotlin\/JVM \u7684\u8bed\u8a00\u529f\u80fd\uff1a<\/p>\n<ul>\n<li>\u6211\u4eec\u6dfb\u52a0\u4e86<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#new-modes-for-generating-default-methods\" target=\"_blank\" rel=\"noopener\">\u65b0\u7684\u5b9e\u9a8c\u65b9\u6cd5\uff0c\u7528\u4e8e\u5728\u5b57\u8282\u7801\u7684\u63a5\u53e3\u4e2d\u751f\u6210\u9ed8\u8ba4\u65b9\u6cd5<\/a>\uff08\u5bf9\u4e8e Java 8 \u76ee\u6807\uff09\u3002<\/li>\n<li>\u6211\u4eec\u4e3a<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#unified-exception-type-for-null-checks\" target=\"_blank\" rel=\"noopener\">null \u68c0\u67e5\u5f15\u5165\u4e86\u7edf\u4e00\u7684\u5f02\u5e38\u7c7b\u578b<\/a>\u3002<\/li>\n<li>Kotlin\u73b0\u5728\u53ef\u4ee5\u5728 JVM \u5b57\u8282\u7801\u4e2d\u751f\u6210<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#type-annotations-in-the-jvm-bytecode\" target=\"_blank\" rel=\"noopener\">\u7c7b\u578b\u6ce8\u91ca<\/a>\uff0c\u4ee5\u4fbf\u5b83\u4eec\u5728\u8fd0\u884c\u65f6\u53ef\u4ee5\u5728 Java \u53cd\u5c04\u4e2d\u4f7f\u7528\u3002 \u8be5\u529f\u80fd\u9002\u7528\u4e8e\u76ee\u6807\u7248\u672c 8 \u53ca\u66f4\u9ad8\u7248\u672c\uff0c\u5230\u76ee\u524d\u53ea\u5728\u5b9e\u9a8c\u6a21\u5f0f\u4e0b\u88ab\u53d1\u5e03\u3002<\/li>\n<\/ul>\n<h2 id=\"kotlin-js\">Kotlin\/JS<\/h2>\n<p>Kotlin 1.4.0 \u63d0\u4f9b\u4e86\u65b0\u7684 Gradle DSL \u548c Alpha \u7248\u672c\u7684\u65b0 Kotlin\/JS \u7f16\u8bd1\u5668\u540e\u7aef\u4ee5\u53ca\u5176\u4ed6\u529f\u80fd\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#new-gradle-dsl\" target=\"_blank\" rel=\"noopener\">\u65b0\u7684 Gradle DSL<\/a> \u6dfb\u52a0\u4e86\u5bf9\u4ece DSL \u914d\u7f6e CSS \u548c\u6837\u5f0f\u52a0\u8f7d\u5668\u7684\u652f\u6301\uff0c\u5b83\u5305\u62ec\u4e0e npm \u4f9d\u8d56\u9879\u7ba1\u7406\u76f8\u5173\u7684\u5404\u79cd\u6539\u8fdb\uff0c\u5e76\u6539\u8fdb\u4e86\u5bf9 Dukat \u96c6\u6210\u7684\u63a7\u5236\u3002<\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#new-js-ir-backend\" target=\"_blank\" rel=\"noopener\">\u5168\u65b0\u7684 Kotlin\/JS \u7f16\u8bd1\u5668\u540e\u7aef<\/a>\u7ed9 Kotlin\/JS \u6307\u660e\u4e86\u672a\u6765\u7684\u65b9\u5411\u3002 \u5b83\u5305\u62ec\u4f18\u5316\u548c\u529f\u80fd\uff0c\u4f8b\u5982\u4ece Kotlin \u4ee3\u7801\u81ea\u52a8\u751f\u6210 TypeScript \u5b9a\u4e49\u3001\u66f4\u5c0f\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u548c\u6346\u7ed1\u5305\u3001\u5411 JavaScript \u516c\u5f00 Kotlin \u529f\u80fd\u7684\u73b0\u4ee3\u5316\u65b9\u5f0f\uff0c\u7b49\u7b49\u3002<\/li>\n<\/ul>\n<h2 id=\"kotlin-native\">Kotlin\/Native<\/h2>\n<p>Kotlin\/Native \u83b7\u5f97\u4e86\u5927\u91cf\u65b0\u529f\u80fd\u548c\u6539\u8fdb\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#performance-improvements\" target=\"_blank\" rel=\"noopener\">Kotlin\/Native \u7f16\u8bd1\u548c\u6267\u884c\u7684\u6574\u4f53\u6027\u80fd\u63d0\u5347<\/a>\u3002<\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#support-for-kotlins-suspending-functions-in-swift-and-objective-c\" target=\"_blank\" rel=\"noopener\">Kotlin\/Native \u548c Swift \/ Obj-C \u4e4b\u95f4\u4e92\u64cd\u4f5c\u6027\u7684\u6539\u8fdb<\/a>\u3002<\/li>\n<li><a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#simplified-management-of-cocoapods-dependencies\" target=\"_blank\" rel=\"noopener\">\u7b80\u5316\u4e86 CocoaPods \u4f9d\u8d56\u9879\u7ba1\u7406<\/a>\u3002<\/li>\n<\/ul>\n<p>Kotlin\/Native \u4e2d\u7684\u5f53\u524d\u81ea\u52a8\u5185\u5b58\u7ba1\u7406\u5b9e\u73b0\u5728\u5e76\u53d1\u65b9\u9762\u5b58\u5728\u9650\u5236\uff0c\u6211\u4eec\u6b63\u5728\u52aa\u529b\u5c06\u5176<a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2020\/07\/kotlin-native-memory-management-roadmap\/\">\u66ff\u6362<\/a>\u3002<\/p>\n<p>Kotlin\/Native \u7684\u4e00\u4e2a\u91cd\u70b9\u662f\u53ef\u4e0e <a href=\"https:\/\/www.jetbrains.com\/lp\/mobilecrossplatform\/\" target=\"_blank\" rel=\"noopener\">Kotlin Multiplatform Mobile<\/a> \u65e0\u7f1d\u96c6\u6210\uff0c\u4f46\u4e0d\u4ec5\u4ec5\u662f\u8fd9\u4e9b\u3002<\/p>\n<h2 id=\"kotlin-multiplatform\">Kotlin Multiplatform<\/h2>\n<p>\u8ba9 Kotlin \u6210\u4e3a\u51fa\u8272\u7684\u591a\u5e73\u53f0\u89e3\u51b3\u65b9\u6848\u662f\u6211\u4eec\u7684\u9996\u8981\u4efb\u52a1\u4e4b\u4e00\u3002 \u6211\u4eec\u5728 KotlinConf \u4e0a<a href=\"https:\/\/kotlinconf.com\/2019\/talks\/video\/2019\/130754\/\" target=\"_blank\" rel=\"noopener\">\u627f\u8bfa<\/a>\u8fdb\u884c\u4e00\u4e9b\u91cd\u8981\u6539\u8fdb\uff0c\u5728\u6b64\u5f88\u9ad8\u5174\u5730\u62a5\u544a\u6211\u4eec\u7684\u5de5\u4f5c\u6210\u679c\uff1a<\/p>\n<ul>\n<li>\u5f97\u76ca\u4e8e<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#sharing-code-in-several-targets-with-the-hierarchical-project-structure\" target=\"_blank\" rel=\"noopener\">\u5206\u5c42\u9879\u76ee\u7ed3\u6784<\/a>\uff0c\u60a8\u73b0\u5728\u53ef\u4ee5\u5728\u76ee\u6807\u7684\u7279\u5b9a\u5b50\u96c6\uff08\u4f8b\u5982\u7c7b\u4f3c\u7684 iOS ARM64 \u8bbe\u5907\u76ee\u6807\u548c x64 \u6a21\u62df\u5668\u76ee\u6807\uff09\u4e4b\u95f4\u5171\u4eab\u4ee3\u7801\u3002<\/li>\n<li>\u60a8\u53ef\u4ee5<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#leveraging-native-libs-in-the-hierarchical-structure\" target=\"_blank\" rel=\"noopener\">\u4f7f\u7528\u5728\u591a\u4e2a\u539f\u751f\u76ee\u6807\u4e4b\u95f4\u5171\u4eab\u7684\u901a\u7528\u4ee3\u7801\u4e2d\u4e0e\u5e73\u53f0\u76f8\u5173\u7684\u5e93<\/a>\u3002<\/li>\n<li>\u60a8\u53ef\u4ee5\u5728\u5171\u4eab\u6e90\u96c6\u4e2d<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#specifying-dependencies-only-once\" target=\"_blank\" rel=\"noopener\">\u4ec5\u6307\u5b9a\u4e00\u6b21\u4f9d\u8d56\u9879<\/a>\uff0c\u800c\u4e0d\u662f\u5728\u5171\u4eab\u548c\u5e73\u53f0\u4e13\u7528\u6e90\u96c6\u4e2d\u540c\u4e00\u5e93\u7684\u4e0d\u540c\u53d8\u4f53\u4e0a\u6307\u5b9a\u4f9d\u8d56\u9879\u3002<\/li>\n<li>\u6211\u4eec\u7ee7\u7eed\u5f00\u53d1 Kotlin \u5e93\u683c\u5f0f Klib\uff0c\u8fd9\u79cd\u683c\u5f0f\u5728\u540e\u53f0\u7528\u4e8e\u5171\u4eab\u591a\u5e73\u53f0\u5e93\u3002<\/li>\n<\/ul>\n<p>\u6211\u4eec\u6b63\u5728\u5f00\u53d1 Android Studio \u63d2\u4ef6\uff0c\u6b64\u63d2\u4ef6\u53ef\u5728 iOS \u8bbe\u5907\u548c\u6a21\u62df\u5668\u4e0a\u8fd0\u884c\u3001\u6d4b\u8bd5\u548c\u8c03\u8bd5 Kotlin \u4ee3\u7801\u3002 \u9996\u4e2a\u516c\u5f00\u9884\u89c8\u7248\u5c06\u5f88\u5feb\u53d1\u5e03\uff0c\u656c\u8bf7\u5173\u6ce8\u3002<\/p>\n<p>\u6211\u4eec\u5c06\u5f88\u5feb\u53d1\u5e03\u5728 Kotlin \u793e\u533a\u6210\u5458\u5e2e\u52a9\u4e0b\u521b\u5efa\u7684\u5927\u91cf\u8d44\u6599\uff0c\u8fd9\u4e9b\u8d44\u6599\u89e3\u91ca\u4e86\u5982\u4f55\u4f7f\u7528 Kotlin Multiplatform Mobile (KMM) \u6280\u672f\u6765\u9488\u5bf9\u7279\u5b9a\u7684\u79fb\u52a8\u7528\u4f8b\uff08\u5728 Android \u548c iOS \u4e4b\u95f4\u5171\u4eab\u4ee3\u7801\uff09\u3002<\/p>\n<p>\u5c3d\u7ba1\u73b0\u5728\u7684\u91cd\u70b9\u662f\u79fb\u52a8\u76ee\u6807\uff0c\u4f46 JetBrains \u5df2\u79ef\u6781\u4f7f\u7528 Kotlin Multiplatform \u7684 Web \u76ee\u6807\u6765\u6784\u5efa\u548c\u53d1\u5e03 <a href=\"https:\/\/www.jetbrains.com\/space\/\" target=\"_blank\" rel=\"noopener\">JetBrains Space<\/a>\u3002 Web \u76ee\u6807\u4ecd\u7136\u662f Kotlin \u7684\u4e00\u9879\u91cd\u8981\u6218\u7565\u6295\u8d44\u3002<\/p>\n<h2 id=\"more-details\">\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<p>\u60a8\u53ef\u4ee5\u5728 <a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html\" target=\"_blank\" rel=\"noopener\">Kotlin 1.4 \u6700\u65b0\u53d8\u5316\u9875\u9762\u548c\u6587\u6863<\/a>\u4e2d\u627e\u5230\u6709\u5173\u65b0\u529f\u80fd\u7684\u8be6\u7ec6\u8bf4\u660e\uff0c\u5e76\u9605\u8bfb\u66f4\u591a\u5173\u4e8e<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/whatsnew14.html#migrating-to-kotlin-140\" target=\"_blank\" rel=\"noopener\">\u8fc1\u79fb\u5230 Kotlin 1.4<\/a> \u7684\u4fe1\u606f\u3002<\/p>\n<p>\u4e0e\u6240\u6709\u4e3b\u8981\u7248\u672c\u4e00\u6837\uff0c\u67d0\u4e9b\u5148\u524d\u5ba3\u5e03\u7684\u53d8\u66f4\u7684\u5f03\u7528\u5468\u671f\u5c06\u5728 Kotlin 1.4 \u7248\u672c\u7ed3\u675f\u3002 \u6240\u6709\u8fd9\u4e9b\u60c5\u51b5\u90fd\u7ecf\u8fc7\u4e86<a href=\"https:\/\/kotlinlang.org\/docs\/reference\/evolution\/kotlin-evolution.html#decision-making\" target=\"_blank\" rel=\"noopener\">\u8bed\u8a00\u59d4\u5458\u4f1a<\/a>\u7684\u4ed4\u7ec6\u5ba1\u67e5\uff0c\u5e76\u5728 <a href=\"https:\/\/kotlinlang.org\/docs\/reference\/compatibility-guide-14.html\" target=\"_blank\" rel=\"noopener\">Kotlin 1.4 \u517c\u5bb9\u6027\u6307\u5357<\/a>\u4e2d\u5217\u51fa\u3002<\/p>\n<h2 id=\"how-to-help-us\">\u5982\u4f55\u5e2e\u52a9\u6211\u4eec\u6539\u8fdb Kotlin<\/h2>\n<p>IntelliJ IDEA \u548c Android Studio \u4e2d\u7684 Kotlin \u63d2\u4ef6\u4f1a\u6536\u96c6\u5173\u4e8e\u60a8\u5982\u4f55\u4f7f\u7528\u5176\u529f\u80fd\u7684\u533f\u540d\u7edf\u8ba1\u4fe1\u606f\u3002 \u6211\u4eec\u6073\u8bf7\u60a8\u9009\u62e9\u63d0\u4f9b\u8fd9\u4e9b\u7edf\u8ba1\u4fe1\u606f\uff01<\/p>\n<p>\u8fd9\u4e9b\u533f\u540d\u6570\u636e\u53ef\u6781\u5927\u5730\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u4e86\u89e3\u7528\u6237\u3001\u54ea\u4e9b\u529f\u80fd\u6709\u6548\u3001\u54ea\u4e9b\u65b9\u9762\u9020\u6210\u4e86\u56f0\u96be\u4ee5\u53ca\u6211\u4eec\u5e94\u5f53\u5c06\u91cd\u70b9\u653e\u5728\u54ea\u91cc\u3002 \u8981\u542f\u7528\u7edf\u8ba1\u4fe1\u606f\uff0c\u8bf7\u8f6c\u5230 <em>Preferences<\/em>\uff0c\u6253\u5f00 <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/settings-usage-statistics.html\" target=\"_blank\" rel=\"noopener\"><em>Appearance &amp; Behaviour | System Settings | Data Sharing<\/em><\/a>\uff0c\u7136\u540e\u6fc0\u6d3b <em>Send usage statistics<\/em> \u590d\u9009\u6846\u3002<\/p>\n<h3 id=\"top-issue-reporters\">\u81ea Kotlin 1.3 \u4ee5\u6765\u6700\u70ed\u5fc3\u7684\u95ee\u9898\u62a5\u544a\u8005<\/h3>\n<p>\u6211\u4eec\u8981\u611f\u8c22\u793e\u533a\u7684\u6240\u6709\u6210\u5458\uff0c\u4ed6\u4eec\u901a\u8fc7\u5411 <a href=\"http:\/\/kotl.in\/issue\" target=\"_blank\" rel=\"noopener\">YouTrack<\/a> \u62a5\u544a\u95ee\u9898\u5e2e\u52a9\u6211\u4eec\u6539\u8fdb\u4e86\u6b64\u7248\u672c\uff01 \u6211\u4eec\u5217\u51fa\u4e86\u524d 20 \u540d\u62a5\u544a\u8005\uff0c\u5728\u6b64\u5411\u4ed6\u4eec\u81f4\u4ee5\u8877\u5fc3\u611f\u8c22\uff1a<\/p>\n<p><a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20panell\" target=\"_blank\" rel=\"noopener\">Igor Wojda<\/a>\uff08145 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20louis.cad\" target=\"_blank\" rel=\"noopener\">Louis CAD<\/a>\uff0887 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20fluidsonic\" target=\"_blank\" rel=\"noopener\">Marc Knaup<\/a>\uff0886 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20lblb636\" target=\"_blank\" rel=\"noopener\">AndroidDeveloperLB<\/a>\uff0883 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20Robert_Stoll\" target=\"_blank\" rel=\"noopener\">Robert Stoll<\/a>\uff0868 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20kotlinisland\" target=\"_blank\" rel=\"noopener\">Morgan Bartholomew<\/a>\uff0862 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20Turansky\" target=\"_blank\" rel=\"noopener\">Victor Turansky<\/a>\uff0854 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20him188\" target=\"_blank\" rel=\"noopener\">Guan Tianyi<\/a>\uff0851 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20spierce7.1\" target=\"_blank\" rel=\"noopener\">Scott Pierce<\/a>\uff0838 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20gamalik\" target=\"_blank\" rel=\"noopener\">Andreas Malik<\/a>\uff0837 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20stevenschaefer\" target=\"_blank\" rel=\"noopener\">Steven Sch\u00e4fer<\/a>\uff0837 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20Vampire\" target=\"_blank\" rel=\"noopener\">Bj\u00f6rn Kautler<\/a>\uff0836 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20TWiStErRob\" target=\"_blank\" rel=\"noopener\">R\u00f3bert Papp<\/a>\uff0834 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20t-kameyama\" target=\"_blank\" rel=\"noopener\">Toshiaki Kameyama<\/a>\uff0830 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20nbilyk3\" target=\"_blank\" rel=\"noopener\">Nicholas Bilyk<\/a>\uff0829 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20Michael.Bailey\" target=\"_blank\" rel=\"noopener\">Michael Bailey<\/a>\uff0826 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20Jake.Wharton\" target=\"_blank\" rel=\"noopener\">Jake Wharton<\/a>\uff0825 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20lamba92\" target=\"_blank\" rel=\"noopener\">Lamberto Basti<\/a>\uff0824 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20sergepro\" target=\"_blank\" rel=\"noopener\">Serge Pro<\/a>\uff0823 \u4e2a\u95ee\u9898\uff09\uff1b<a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT?q=created:%202018-10-29%20..%20*%20created%20by:%20Egorand\" target=\"_blank\" rel=\"noopener\">Egor Andreevici<\/a>\uff0821 \u4e2a\u95ee\u9898\uff09\u3002<\/p>\n<h2 id=\"start-using\">\u7acb\u5373\u5f00\u59cb\u4f7f\u7528 Kotlin 1.4<\/h2>\n<p>\u548c\u5f80\u5e38\u4e00\u6837\uff0c\u60a8\u53ef\u4ee5\u5728 <a href=\"http:\/\/play.kotl.in\/\" target=\"_blank\" rel=\"noopener\">play.kotl.in<\/a> \u4e0a\u5728\u7ebf\u8bd5\u7528 Kotlin\u3002<\/p>\n<p>\u5728 Gradle \u548c Maven \u4e2d\uff0c\u4f7f\u7528 1.4.0 \u4f5c\u4e3a\u7f16\u8bd1\u5668\u7248\u672c\u3002 \u8bf7\u53c2\u9605 <a href=\"http:\/\/kotlinlang.org\/docs\/reference\/using-gradle.html\" target=\"_blank\" rel=\"noopener\">Gradle<\/a> \u548c <a href=\"https:\/\/kotlinlang.org\/docs\/reference\/using-maven.html\" target=\"_blank\" rel=\"noopener\">Maven<\/a> \u7684\u6587\u6863\u3002<\/p>\n<p>IntelliJ IDEA \u548c Android Studio \u4f1a\u81ea\u52a8<a href=\"https:\/\/kotlinlang.org\/releases.html#updating-to-a-new-release\" target=\"_blank\" rel=\"noopener\">\u63d0\u793a<\/a>\u60a8\u5c06 Kotlin \u63d2\u4ef6\u66f4\u65b0\u4e3a 1.4.0 \u7248\u3002 \u60a8\u4e5f\u53ef\u4ee5\u6253\u5f00 <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/managing-plugins.html\" target=\"_blank\" rel=\"noopener\">Preferences | Plugins<\/a> \u5e76\u624b\u52a8\u66f4\u65b0 Kotlin \u63d2\u4ef6\u3002<\/p>\n<p>\u53ef\u4ee5\u4ece <a href=\"https:\/\/github.com\/JetBrains\/kotlin\/releases\/tag\/v1.4.0\" target=\"_blank\" rel=\"noopener\">GitHub \u7248\u672c\u9875\u9762<\/a>\u4e0b\u8f7d\u547d\u4ee4\u884c\u7f16\u8bd1\u5668\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0e\u6b64\u7248\u672c\u4e00\u540c\u53d1\u5e03\u7684\u4ee5\u4e0b\u5e93\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/github.com\/Kotlin\/kotlinx.coroutines\" target=\"_blank\" rel=\"noopener\">kotlinx.coroutines<\/a> \u7248\u672c\uff1a<code>1.3.9<\/code><\/li>\n<li><a href=\"https:\/\/github.com\/Kotlin\/kotlinx.serialization\" target=\"_blank\" rel=\"noopener\">kotlinx.serialization<\/a> \u7248\u672c\uff1a<code>1.0.0-RC<\/code><\/li>\n<li><a href=\"https:\/\/ktor.io\/\" target=\"_blank\" rel=\"noopener\">ktor<\/a> \u7248\u672c\uff1a<code>1.4.0<\/code><\/li>\n<li><a href=\"https:\/\/github.com\/Kotlin\/kotlinx.atomicfu\" target=\"_blank\" rel=\"noopener\">kotlinx.atomicfu<\/a> \u7248\u672c\uff1a<code>0.14.4<\/code><\/li>\n<li><a href=\"https:\/\/github.com\/Kotlin\/kotlinx.html\" target=\"_blank\" rel=\"noopener\">kotlinx.html<\/a> \u7248\u672c\uff1a<code>0.7.2<\/code><\/li>\n<li><a href=\"https:\/\/github.com\/Kotlin\/kotlinx-nodejs\" target=\"_blank\" rel=\"noopener\">kotlinx-nodejs<\/a> \u7248\u672c: <code>0.0.6<\/code><\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u5728\u76f8\u5e94\u7684<a href=\"https:\/\/github.com\/JetBrains\/kotlin-wrappers\" target=\"_blank\" rel=\"noopener\">\u5b58\u50a8\u5e93<\/a>\u4e2d\u627e\u5230<code> kotlin-wrappers<\/code>\uff08<code> kotlin-react<\/code>\u7b49\uff09\u7684\u5e93\u7248\u672c\u3002<\/p>\n<p>\u6700\u65b0\u7684 IDE \u6027\u80fd\u6539\u8fdb\uff08\u5305\u62ec\u52a0\u901f\u7684\u4ee3\u7801\u9ad8\u4eae\u663e\u793a\uff09 \u53ea\u80fd\u4e0e IntelliJ IDEA 2020.1+ \u548c Android Studio 4.1+ \u4f7f\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5728\u65b0\u7248\u672c\u4e2d\u9047\u5230\u4efb\u4f55\u95ee\u9898\uff0c\u53ef\u4ee5\u5728 <a href=\"http:\/\/kotlinlang.slack.com\/\" target=\"_blank\" rel=\"noopener\">Slack<\/a> \u4e0a\u5bfb\u6c42\u5e2e\u52a9\uff08\u5728<a href=\"http:\/\/slack.kotlinlang.org\/\" target=\"_blank\" rel=\"noopener\">\u6b64\u5904<\/a>\u83b7\u5f97\u9080\u8bf7\uff09\u5e76\u5728\u6211\u4eec\u7684 <a href=\"https:\/\/youtrack.jetbrains.com\/issues\/KT\" target=\"_blank\" rel=\"noopener\">YouTrack<\/a> \u4e2d\u62a5\u544a\u95ee\u9898\u3002<\/p>\n<h2 id=\"thank-you\">\u8c22\u8c22\uff01<\/h2>\n<p>\u975e\u5e38\u611f\u8c22\u6240\u6709\u8bd5\u7528\u8fc7 Kotlin EAP \u548c\u5b9e\u9a8c\u6027\u529f\u80fd\u5e76\u63d0\u4f9b\u53cd\u9988\u7684\u4eba\u3002 \u6211\u4eec\u6b63\u5728\u4e0e\u60a8\u4e00\u8d77\u5f00\u53d1 Kotlin \u8bed\u8a00\uff0c\u5e76\u6839\u636e\u60a8\u7684\u5b9d\u8d35\u610f\u89c1\u505a\u51fa\u8bb8\u591a\u8bbe\u8ba1\u51b3\u7b56\u3002 \u4e0e\u793e\u533a\u4fdd\u6301\u8fd9\u79cd\u5feb\u901f\u6709\u6548\u7684\u53cd\u9988\u5faa\u73af\u5bf9\u786e\u4fdd Kotlin \u6210\u4e3a\u6700\u4f73\u72b6\u6001\u975e\u5e38\u91cd\u8981\uff01<\/p>\n<p>\u6211\u4eec\u8981\u8877\u5fc3\u611f\u8c22\u6240\u6709\u5916\u90e8\u8d21\u732e\u8005\uff0c\u6b64\u7248\u672c\u4e2d\u5305\u542b\u4e86\u4ed6\u4eec\u7684\u62c9\u53d6\u8bf7\u6c42\u3002 \u662f\u4f60\u4eec\u5e2e\u52a9\u6211\u4eec\u8ba9\u6b64\u7248\u672c\u5f97\u4ee5\u95ee\u4e16\uff01<\/p>\n<p>\u6211\u4eec\u611f\u8c22\u793e\u533a\u4e2d\u6240\u6709\u4e0e Kotlin \u5171\u540c\u521b\u9020\u4e86\u8bb8\u591a\u4ee4\u4eba\u60ca\u5947\u7684\u4e8b\u7269\u7684\u6210\u5458\u3002 <em>Kotlin 1.4\uff1a\u6211\u4e3a\u4eba\u4eba\uff01<\/em><\/p>\n","protected":false},"author":814,"featured_media":67101,"comment_status":"closed","ping_status":"closed","template":"","categories":[4113],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/kotlin\/67096"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/kotlin"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/types\/kotlin"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/users\/814"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=67096"}],"version-history":[{"count":1,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/kotlin\/67096\/revisions"}],"predecessor-version":[{"id":79898,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/kotlin\/67096\/revisions\/79898"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media\/67101"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=67096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=67096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=67096"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/zh-hans\/wp-json\/wp\/v2\/cross-post-tag?post=67096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}