{"id":16355,"date":"2023-10-07T17:25:33","date_gmt":"2023-10-07T09:25:33","guid":{"rendered":"https:\/\/app.applebyme.cn\/cloud\/?p=16355"},"modified":"2023-10-07T17:25:33","modified_gmt":"2023-10-07T09:25:33","slug":"flutter%e6%90%ad%e5%bb%ba%e4%b8%80%e4%b8%aaapp%e6%9e%b6%e6%9e%84%e6%80%8e%e4%b9%88%e5%81%9a%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/app.applebyme.cn\/cloud\/appkaifa\/16355.html","title":{"rendered":"flutter\u642d\u5efa\u4e00\u4e2aapp\u67b6\u6784\u600e\u4e48\u505a\uff1f"},"content":{"rendered":"<p>Flutter\u662f\u4e00\u6b3e\u7531Google\u5f00\u53d1\u7684\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u6846\u67b6\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u901a\u8fc7\u4e00\u5957\u4ee3\u7801\u5e93\u6784\u5efa\u9ad8\u6027\u80fd\u3001\u7f8e\u89c2\u7684\u5e94\u7528\u7a0b\u5e8f\u3002Flutter\u662f\u4e00\u79cd\u8de8\u5e73\u53f0\u7684\u5f00\u53d1\u6846\u67b6\uff0c\u53ef\u4ee5\u5728iOS\u548cAndroid\u7b49\u591a\u4e2a\u5e73\u53f0\u4e0a\u8fd0\u884c\u3002<\/p>\n<p>\u5728\u642d\u5efa\u4e00\u4e2aFlutter\u5e94\u7528\u7a0b\u5e8f\u7684\u67b6\u6784\u4e4b\u524d\uff0c\u9700\u8981\u5148\u4e86\u89e3Flutter\u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u6280\u672f\u3002<\/p>\n<p>1. Widget<\/p>\n<p>\u5728Flutter\u4e2d\uff0c\u4e00\u5207\u90fd\u662fWidget\u3002Widget\u662fFlutter\u5e94\u7528\u7a0b\u5e8f\u7684\u57fa\u672c\u6784\u5efa\u5757\uff0c\u53ef\u4ee5\u662f\u6587\u672c\u3001\u6309\u94ae\u3001\u56fe\u50cf\u7b49\u3002Flutter\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684Widget\uff0c\u53ef\u4ee5\u901a\u8fc7\u7ec4\u5408\u8fd9\u4e9bWidget\u6765\u6784\u5efa\u590d\u6742\u7684\u7528\u6237\u754c\u9762\u3002<\/p>\n<p>2. StatefulWidget\u548cStatelessWidget<\/p>\n<p>Flutter\u4e2d\u7684Widget\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1aStatefulWidget\u548cStatelessWidget\u3002StatefulWidget\u662f\u6709\u72b6\u6001\u7684Widget\uff0c\u53ef\u4ee5\u6839\u636e\u7528\u6237\u7684\u64cd\u4f5c\u800c\u6539\u53d8\u5176\u72b6\u6001\u3002StatelessWidget\u662f\u65e0\u72b6\u6001\u7684Widget\uff0c\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u4f1a\u518d\u6539\u53d8\u3002<\/p>\n<p>3. Material Design\u548cCupertino Design<\/p>\n<p>Flutter\u63d0\u4f9b\u4e86\u4e24\u79cd\u4e0d\u540c\u7684\u8bbe\u8ba1\u8bed\u8a00\uff1aMaterial Design\u548cCupertino Design<a href=\"https:\/\/www.yimenapp.cn\/fengzhuang-2299.html\">\u521b\u5efa\u5feb\u6377app<\/a>\u3002Material Design\u662f\u4e00\u79cd\u73b0\u4ee3\u5316\u7684\u8bbe\u8ba1\u8bed\u8a00\uff0c\u7528\u4e8eAndroid\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u3002Cupertino Design\u662f\u4e00\u79cd\u7c7b\u4f3c\u4e8eiOS\u7684\u8bbe\u8ba1\u8bed\u8a00\uff0c\u7528\u4e8eiOS\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u3002<\/p>\n<p>\u6709\u4e86\u8fd9\u4e9b\u57fa\u672c\u6982\u5ff5\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u642d\u5efa\u4e00\u4e2aFlutter\u5e94\u7528\u7a0b\u5e8f\u7684\u67b6\u6784\u4e86\u3002<\/p>\n<p>1. \u4f7f\u7528Flutter\u7684UI\u6846\u67b6<\/p>\n<p>Flutter\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684UI\u6846\u67b6\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u5feb\u901f\u6784\u5efa\u590d\u6742\u7684\u7528\u6237\u754c\u9762\u3002\u5728\u642d\u5efa\u4e00\u4e2aFlutter\u5e94\u7528\u7a0b\u5e8f\u7684\u67b6\u6784\u4e4b\u524d\uff0c\u9700\u8981\u5148\u9009\u62e9\u4f7f\u7528Flutter\u7684UI\u6846\u67b6\u3002<\/p>\n<p>2. \u521b\u5efa\u4e00\u4e2a\u65b0\u9879\u76ee<\/p>\n<p>\u4f7f\u7528Flutter\u7684UI\u6846\u67b6\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Flutter\u9879\u76ee\u3002Flutter\u63d0\u4f9b\u4e86\u4e00\u4e2a\u547d\u4ee4\u884c\u5de5\u5177\u6765\u521b\u5efa\u65b0\u7684Flutter\u9879\u76ee\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Flutter\u9879\u76ee\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>flutter create myapp<\/p>\n<p>&#8220;`<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3amyapp\u7684\u65b0Flutter\u9879\u76ee\u3002<\/p>\n<p>3. \u521b\u5efa\u4e00\u4e2a\u4e3b\u754c\u9762<\/p>\n<p>\u5728Flutter\u4e2d\uff0c\u4e3b\u754c\u9762\u662f\u4e00\u4e2aWidget\u3002\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aStatefulWidget\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e3b\u754c\u9762\u3002\u5728\u8fd9\u4e2aWidget\u4e2d\uff0c\u53ef\u4ee5\u7ec4\u5408\u5176\u4ed6\u7684Widget\u6765\u6784\u5efa\u590d\u6742\u7684\u7528\u6237\u754c\u9762\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aMyHomePage\u7684StatefulWidget\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>class MyHomePage extends StatefulWidget {<\/p>\n<p>  MyHomePage({Key key, this.title}) : super(key: key);<\/p>\n<p>  final String title;<\/p>\n<p>  @override<a href=\"https:\/\/www.yimenapp.cn\/fengzhuang-818.html\">app\u52a0h5<\/a><\/p>\n<p>  _MyHomePageState createState() =&gt; _MyHomePageState();<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728\u8fd9\u4e2aWidget\u4e2d\uff0c\u53ef\u4ee5\u7ec4\u5408\u5176\u4ed6\u7684Widget\u6765\u6784\u5efa\u590d\u6742\u7684\u7528\u6237\u754c\u9762\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2aScaffold Widget\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e3b\u754c\u9762\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>class _MyHomePageState extends State {<\/p>\n<p><p>  @override<\/p>\n<p>  Widget build(BuildContext context) {<\/p>\n<p>    return Scaffold(<\/p>\n<p>      appBar: AppBar(<\/p>\n<p>        title: Text(widget.title),<\/p>\n<p>      ),<\/p>\n<p>      body: Center(<\/p>\n<p>        child: Text(&#8216;Hello, World!&#8217;),<\/p>\n<p>      ),<\/p>\n<p>    );<\/p>\n<p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/2023-03\/22\/18\/14620675516.jpg\" \/><\/figure>\n<\/p>\n<p>  }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728\u8fd9\u4e2aWidget\u4e2d\uff0c\u4f7f\u7528\u4e86\u4e00\u4e2aAppBar Widget\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u7684\u6807\u9898\u680f\uff0c\u4f7f\u7528\u4e86\u4e00\u4e2aCenter Widget\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e3b\u4f53\u5185\u5bb9\u3002<\/p>\n<p>4. \u6dfb\u52a0\u8def\u7531\u548c\u5bfc\u822a<\/p>\n<p>\u5728Flutter\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Navigator Widget\u6765\u5b9e\u73b0\u5e94\u7528\u7a0b\u5e8f\u7684\u5bfc\u822a\u529f\u80fd\u3002\u53ef\u4ee5\u901a\u8fc7\u5728\u4e3b\u754c\u9762\u4e2d\u6dfb\u52a0Navigator Widget\u6765\u5b9e\u73b0\u5e94\u7528\u7a0b\u5e8f\u7684\u5bfc\u822a\u529f\u80fd\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u53ef\u4ee5\u5728MyHomePage Widget\u4e2d\u6dfb\u52a0\u4e00\u4e2aNavigator Widget\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>class _MyHomePageState extends State {<\/p>\n<p><p>  &#8230;<\/p>\n<p>  @override<\/p>\n<p>  Widget build(BuildContext context) {<\/p>\n<p>    return Scaffold(<\/p>\n<p>      appBar: AppBar(<\/p>\n<p>        title: Text(widget.title),<\/p>\n<p>      ),<\/p>\n<p>      body: Center(<\/p>\n<p>        child: RaisedButton(<\/p>\n<p>          child: Text(&#8216;Go to Second Page&#8217;),<\/p>\n<p>          onPressed: () {<\/p>\n<p>            Navigator.push(<\/p>\n<p>              context,<\/p>\n<p>              MaterialPageRoute(builder: (context) =&gt; SecondPage()),<\/p>\n<p>            );<\/p>\n<p>          },<\/p>\n<p>        ),<\/p>\n<p>      ),<\/p>\n<p>    );<\/p>\n<p>  }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728\u8fd9\u4e2aWidget\u4e2d\uff0c\u6dfb\u52a0\u4e86\u4e00\u4e2aRaisedButton Widget\uff0c\u5f53\u7528\u6237\u70b9\u51fb\u8fd9\u4e2a\u6309\u94ae\u65f6\uff0c\u4f1a\u8df3\u8f6c\u5230\u4e00\u4e2a\u540d\u4e3aSecondPage\u7684\u65b0\u754c\u9762\u3002<\/p>\n<p>5. \u521b\u5efa\u5176\u4ed6\u754c\u9762<\/p>\n<p>\u53ef\u4ee5\u521b\u5efa\u5176\u4ed6\u7684StatefulWidget\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u7684\u5176\u4ed6\u754c\u9762\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aSecondPage\u7684StatefulWidget\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u7684\u7b2c\u4e8c\u4e2a\u754c\u9762\u3002<\/p>\n<p>&#8220;`<\/p>\n<p>class SecondPage extends StatefulWidget {<\/p>\n<p>  SecondPage({Key key}) : super(key: key);<\/p>\n<p>  @override<\/p>\n<p>  _SecondPageState createState() =&gt; _SecondPageState();<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728\u8fd9\u4e2aWidget\u4e2d\uff0c\u53ef\u4ee5\u7ec4\u5408\u5176\u4ed6\u7684Widget\u6765\u6784\u5efa\u590d\u6742\u7684\u7528\u6237\u754c\u9762\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2aScaffold Widget\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e3b\u754c\u9762\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>class _SecondPageState extends State {<\/p>\n<p><p>  @override<\/p>\n<p>  Widget build(BuildContext context) {<\/p>\n<p>    return Scaffold(<\/p>\n<p>      appBar: AppBar(<\/p>\n<p>        title: Text(&#8216;Second Page&#8217;),<\/p>\n<p>      ),<\/p>\n<p>      body: Center(<\/p>\n<p>        child: Text(&#8216;This is the second page.&#8217;),<\/p>\n<p>      ),<\/p>\n<p>    );<\/p>\n<p>  }<\/p>\n<p>}<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728\u8fd9\u4e2aWidget\u4e2d\uff0c\u4f7f\u7528\u4e86\u4e00\u4e2aAppBar Widget\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u7684\u6807\u9898\u680f\uff0c\u4f7f\u7528\u4e86\u4e00\u4e2aCenter Widget\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e3b\u4f53\u5185\u5bb9\u3002<\/p>\n<p>6. \u603b\u7ed3<\/p>\n<p>\u642d\u5efa\u4e00\u4e2aFlutter\u5e94\u7528\u7a0b\u5e8f\u7684\u67b6\u6784\u9700\u8981\u7406\u89e3Flutter\u7684\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u6280\u672f\u3002\u9700\u8981\u9009\u62e9\u4f7f\u7528Flutter\u7684UI\u6846\u67b6\uff0c\u521b\u5efa\u4e00\u4e2a\u4e3b\u754c\u9762\uff0c\u6dfb\u52a0\u8def\u7531\u548c\u5bfc\u822a\uff0c\u521b\u5efa\u5176\u4ed6\u754c\u9762\u7b49\u7b49\u3002\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u53ef\u4ee5\u5feb\u901f\u6784\u5efa\u51fa\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u7f8e\u89c2\u7684Flutter\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Flutter\u662f\u4e00\u6b3e\u7531Google\u5f00\u53d1\u7684\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u6846\u67b6\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u901a\u8fc7\u4e00\u5957\u4ee3\u7801\u5e93\u6784\u5efa\u9ad8\u6027\u80fd\u3001\u7f8e\u89c2\u7684\u5e94\u7528\u7a0b\u5e8f\u3002Flutter\u662f\u4e00\u79cd\u8de8\u5e73\u53f0\u7684\u5f00\u53d1\u6846\u67b6\uff0c\u53ef\u4ee5\u5728iOS\u548cAndroid\u7b49\u591a\u4e2a\u5e73\u53f0\u4e0a\u8fd0\u884c\u3002<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[3079,23243,1775,776,23244],"class_list":["post-16355","post","type-post","status-publish","format-standard","hentry","category-appkaifa","tag-3079","tag-app","tag-1775","tag-776","tag-23244"],"_links":{"self":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/posts\/16355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/comments?post=16355"}],"version-history":[{"count":0,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/posts\/16355\/revisions"}],"wp:attachment":[{"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/media?parent=16355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/categories?post=16355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.applebyme.cn\/cloud\/wp-json\/wp\/v2\/tags?post=16355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}