{"id":59994,"date":"2026-01-14T20:06:09","date_gmt":"2026-01-14T12:06:09","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/59994.html"},"modified":"2026-01-14T20:06:09","modified_gmt":"2026-01-14T12:06:09","slug":"flutter-for-openharmony-%e5%ae%9e%e6%88%98%ef%bc%9aelevatedbutton-%e6%82%ac%e6%b5%ae%e6%8c%89%e9%92%ae%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/59994.html","title":{"rendered":"Flutter for OpenHarmony \u5b9e\u6218\uff1aElevatedButton \u60ac\u6d6e\u6309\u94ae\u8be6\u89e3"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260114120606-696786ae676ab.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>Flutter for OpenHarmony \u5b9e\u6218&#xff1a;ElevatedButton \u60ac\u6d6e\u6309\u94ae\u8be6\u89e3<\/h2>\n<p>\u6458\u8981&#xff1a;\u672c\u6587\u6df1\u5165\u89e3\u6790 Flutter \u6846\u67b6\u5728 OpenHarmony \u5e73\u53f0\u4e2d ElevatedButton \u60ac\u6d6e\u6309\u94ae\u63a7\u4ef6\u7684\u5e94\u7528\u5b9e\u8df5\u3002\u901a\u8fc7\u5256\u6790\u5176\u6838\u5fc3\u5c5e\u6027\u3001\u6837\u5f0f\u5b9a\u5236\u3001\u4e8b\u4ef6\u5904\u7406\u53ca\u72b6\u6001\u7ba1\u7406\u673a\u5236&#xff0c;\u7ed3\u5408\u9e3f\u8499\u539f\u751f\u63a7\u4ef6\u5bf9\u6bd4\u548c\u5e73\u53f0\u9002\u914d\u8981\u70b9&#xff0c;\u63d0\u4f9b\u4ece\u57fa\u7840\u5230\u8fdb\u9636\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002\u6587\u7ae0\u5305\u542b 5 \u4e2a\u53ef\u8fd0\u884c\u4ee3\u7801\u793a\u4f8b\u30011 \u4e2a\u63a7\u4ef6\u7ee7\u627f\u5173\u7cfb\u56fe\u548c 1 \u5f20\u6838\u5fc3\u5c5e\u6027\u5bf9\u6bd4\u8868&#xff0c;\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1\u8de8\u5e73\u53f0 UI \u5f00\u53d1\u4e2d\u7684\u6309\u94ae\u4ea4\u4e92\u8bbe\u8ba1\u7cbe\u9ad3&#xff0c;\u89e3\u51b3\u9e3f\u8499\u5e73\u53f0\u9634\u5f71\u6e32\u67d3\u3001\u89e6\u6478\u53cd\u9988\u7b49\u7279\u6709\u9002\u914d\u95ee\u9898\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u5f15\u8a00<\/h3>\n<p>\u5728\u8de8\u5e73\u53f0\u5e94\u7528\u5f00\u53d1\u4e2d&#xff0c;\u6309\u94ae\u4f5c\u4e3a\u6700\u57fa\u7840\u7684\u4ea4\u4e92\u63a7\u4ef6&#xff0c;\u5176\u89c6\u89c9\u8868\u73b0\u548c\u7528\u6237\u4f53\u9a8c\u76f4\u63a5\u5f71\u54cd\u5e94\u7528\u54c1\u8d28\u3002Flutter \u7684 ElevatedButton \u901a\u8fc7\u6750\u8d28\u8bbe\u8ba1&#xff08;Material Design&#xff09; \u7684\u60ac\u6d6e\u5c42\u6982\u5ff5&#xff0c;\u4e3a OpenHarmony \u5e94\u7528\u63d0\u4f9b\u5177\u5907\u6df1\u5ea6\u611f\u77e5\u7684\u4ea4\u4e92\u5143\u7d20\u3002\u672c\u6587\u5c06\u7ed3\u5408\u9e3f\u8499\u5e73\u53f0\u7684\u7279\u6027&#xff0c;\u7cfb\u7edf\u8bb2\u89e3\u8be5\u63a7\u4ef6\u5728\u8de8\u5e73\u53f0\u573a\u666f\u4e0b\u7684\u6280\u672f\u5b9e\u8df5\u3002<\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u63a7\u4ef6\u6982\u8ff0<\/h3>\n<h4>1. \u6838\u5fc3\u529f\u80fd\u4e0e\u9002\u7528\u573a\u666f<\/h4>\n<p>ElevatedButton \u662f Flutter \u5b9e\u73b0\u51f8\u8d77\u6309\u94ae\u7684\u6838\u5fc3\u7ec4\u4ef6&#xff0c;\u5176\u7279\u70b9\u5728\u4e8e&#xff1a;<\/p>\n<ul>\n<li>\u4e09\u7ef4\u89c6\u89c9\u5c42\u6b21&#xff1a;\u901a\u8fc7\u9634\u5f71\u6548\u679c\u6a21\u62df\u7269\u7406\u9ad8\u5ea6<\/li>\n<li>\u52a8\u6001\u54cd\u5e94&#xff1a;\u6309\u538b\u65f6\u4ea7\u751f\u89c6\u89c9\u53cd\u9988&#xff08;\u9ed8\u8ba4\u9634\u5f71\u653e\u5927&#xff09;<\/li>\n<li>\u65e0\u969c\u788d\u652f\u6301&#xff1a;\u81ea\u52a8\u6ee1\u8db3 WCAG 2.1 \u5bf9\u6bd4\u5ea6\u6807\u51c6<\/li>\n<\/ul>\n<p>\u5728 OpenHarmony \u5e94\u7528\u4e2d\u5178\u578b\u4f7f\u7528\u573a\u666f\u5305\u62ec&#xff1a;<\/p>\n<p>\u4e3b\u64cd\u4f5c\u6309\u94ae&#xff08;\u5982\u786e\u8ba4<span class=\"token operator\">\/<\/span>\u63d0\u4ea4&#xff09;<br \/>\n\u5bfc\u822a\u5173\u952e\u8282\u70b9&#xff08;\u5982\u9875\u9762\u8df3\u8f6c&#xff09;<br \/>\n\u91cd\u8981\u64cd\u4f5c\u89e6\u53d1\u70b9&#xff08;\u5982\u652f\u4ed8\u6309\u94ae&#xff09;<\/p>\n<h4>2. \u4e0e\u9e3f\u8499\u539f\u751f\u63a7\u4ef6\u5bf9\u6bd4<\/h4>\n<table>\n<tr>\u7279\u6027Flutter ElevatedButtonHarmonyOS Button<\/tr>\n<tbody>\n<tr>\n<td>\u9634\u5f71\u6548\u679c<\/td>\n<td>\u2705 \u52a8\u6001\u7269\u7406\u9634\u5f71<\/td>\n<td>\u26a0\ufe0f \u9759\u6001\u5e73\u9762\u9634\u5f71<\/td>\n<\/tr>\n<tr>\n<td>\u6d9f\u6f2a\u6548\u679c<\/td>\n<td>\u2705 Material \u6ce2\u7eb9<\/td>\n<td>\u2705 \u9e3f\u8499\u6d9f\u6f2a\u52a8\u753b<\/td>\n<\/tr>\n<tr>\n<td>\u8de8\u5e73\u53f0\u4e00\u81f4\u6027<\/td>\n<td>\u2705 \u7edf\u4e00\u6e32\u67d3\u5f15\u64ce<\/td>\n<td>\u274c \u5e73\u53f0\u4f9d\u8d56<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u5b9a\u4e49\u7075\u6d3b\u6027<\/td>\n<td>\u2705 \u5b8c\u5168\u5f00\u653e\u6837\u5f0f\u6269\u5c55<\/td>\n<td>\u26a0\ufe0f \u53d7\u4e3b\u9898\u7cfb\u7edf\u7ea6\u675f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e09\u3001\u57fa\u7840\u7528\u6cd5<\/h3>\n<h4>1. \u6838\u5fc3\u5c5e\u6027\u8bf4\u660e<\/h4>\n<p><span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onPressed<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u70b9\u51fb\u4e8b\u4ef6\u5904\u7406\u903b\u8f91<\/span><br \/>\n    <span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;Button pressed on OpenHarmony&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  style<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">styleFrom<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    primary<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u80cc\u666f\u8272 (Flutter 3.0&#043; \u6539\u7528 backgroundColor)<\/span><br \/>\n    onPrimary<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u6587\u5b57\/\u56fe\u6807\u8272<\/span><br \/>\n    elevation<span class=\"token punctuation\">:<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u9ed8\u8ba4\u9634\u5f71\u9ad8\u5ea6<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u5185\u8fb9\u8ddd<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u786e\u8ba4&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u9e3f\u8499\u9002\u914d\u8981\u70b9&#xff1a;<\/p>\n<ul>\n<li>elevation \u5728\u9e3f\u8499\u5e73\u53f0\u9700\u5f00\u542f\u6e32\u67d3\u5c42\u6df7\u5408&#xff08;\u9ed8\u8ba4\u542f\u7528&#xff09;<\/li>\n<li>\u989c\u8272\u503c\u9700\u4f7f\u7528 Colors.blue \u800c\u975e\u5341\u516d\u8fdb\u5236&#xff0c;\u786e\u4fdd\u8de8\u5e73\u53f0\u4e00\u81f4\u6027<\/li>\n<\/ul>\n<h4>2. \u7981\u7528\u72b6\u6001\u63a7\u5236<\/h4>\n<p><span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onPressed<span class=\"token punctuation\">:<\/span> _isEnabled <span class=\"token operator\">?<\/span> _handleClick <span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span>_isEnabled <span class=\"token operator\">?<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;\u53ef\u64cd\u4f5c&#039;<\/span><\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;\u7981\u7528&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u72b6\u6001\u7ba1\u7406\u903b\u8f91&#xff1a;<\/p>\n<ul>\n<li>\u5f53 onPressed \u4e3a null \u65f6\u81ea\u52a8\u8fdb\u5165\u7981\u7528\u72b6\u6001<\/li>\n<li>\u7981\u7528\u6001\u81ea\u52a8\u964d\u4f4e\u8272\u5f69\u9971\u548c\u5ea6\u548c\u9634\u5f71\u5f3a\u5ea6<\/li>\n<\/ul>\n<hr \/>\n<h3>\u56db\u3001\u8fdb\u9636\u7528\u6cd5<\/h3>\n<h4>1. \u6df1\u5ea6\u6837\u5f0f\u5b9a\u5236<\/h4>\n<p><span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onPressed<span class=\"token punctuation\">:<\/span> _handlePayment<span class=\"token punctuation\">,<\/span><br \/>\n  style<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ButtonStyle<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    backgroundColor<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">MaterialStateProperty<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">resolveWith<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>states<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>states<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MaterialState<\/span><span class=\"token punctuation\">.<\/span>pressed<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blue<span class=\"token punctuation\">[<\/span><span class=\"token number\">800<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6309\u538b\u6001\u6df1\u8272<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>blueAccent<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9ed8\u8ba4\u8272<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    elevation<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">MaterialStateProperty<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">resolveWith<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>states<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n      <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>states<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MaterialState<\/span><span class=\"token punctuation\">.<\/span>hovered<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u60ac\u505c\u6001\u9ad8\u9634\u5f71<\/span><br \/>\n      <span class=\"token punctuation\">}<\/span><br \/>\n      <span class=\"token keyword\">return<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u9ed8\u8ba4\u9634\u5f71<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    shape<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">MaterialStateProperty<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">all<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      <span class=\"token class-name\">RoundedRectangleBorder<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        borderRadius<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BorderRadius<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">circular<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20.0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u5706\u89d2\u63a7\u5236<\/span><br \/>\n      <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Padding<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    padding<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">EdgeInsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">symmetric<\/span><span class=\"token punctuation\">(<\/span>vertical<span class=\"token punctuation\">:<\/span> <span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Row<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      mainAxisSize<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">MainAxisSize<\/span><span class=\"token punctuation\">.<\/span>min<span class=\"token punctuation\">,<\/span><br \/>\n      children<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token class-name\">Icon<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Icons<\/span><span class=\"token punctuation\">.<\/span>payment<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u7acb\u5373\u652f\u4ed8&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u9e3f\u8499\u6e32\u67d3\u4f18\u5316&#xff1a;<\/p>\n<ul>\n<li>\u5706\u89d2\u534a\u5f84\u8d85\u8fc7\u5bbd\u5ea6 50% \u65f6&#xff0c;\u9e3f\u8499\u5e73\u53f0\u81ea\u52a8\u4f18\u5316\u4e3a\u5706\u5f62\u6e32\u67d3<\/li>\n<li>\u4f7f\u7528 MaterialStateProperty \u5b9e\u73b0\u591a\u72b6\u6001\u6837\u5f0f\u8054\u52a8<\/li>\n<\/ul>\n<h4>2. \u4e8b\u4ef6\u6269\u5c55\u4e0e\u624b\u52bf\u878d\u5408<\/h4>\n<p><span class=\"token class-name\">GestureDetector<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  onLongPress<span class=\"token punctuation\">:<\/span> _showTooltip<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u957f\u6309\u4e8b\u4ef6<\/span><br \/>\n  onDoubleTap<span class=\"token punctuation\">:<\/span> _triggerFastAction<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u53cc\u51fb\u4e8b\u4ef6<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    onPressed<span class=\"token punctuation\">:<\/span> _handlePrimaryAction<span class=\"token punctuation\">,<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#039;\u591a\u529f\u80fd\u6309\u94ae&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u4ea4\u4e92\u589e\u5f3a\u65b9\u6848&#xff1a;<\/p>\n<ul>\n<li>\u901a\u8fc7\u624b\u52bf\u68c0\u6d4b\u5668\u6269\u5c55\u57fa\u7840\u6309\u94ae\u4e8b\u4ef6<\/li>\n<li>\u5728\u9e3f\u8499\u5e73\u53f0\u9700\u6ce8\u610f\u4e8b\u4ef6\u5192\u6ce1\u673a\u5236\u5dee\u5f02&#xff08;\u9ed8\u8ba4\u963b\u6b62\u5411\u4e0a\u4f20\u9012&#xff09;<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e94\u3001\u5b9e\u6218\u6848\u4f8b&#xff1a;\u9e3f\u8499\u5546\u57ce\u786e\u8ba4\u6309\u94ae<\/h3>\n<p><span class=\"token comment\">\/\/ \u5b8c\u6574\u4ee3\u7801\u8def\u5f84&#xff1a;https:\/\/atomgit.com\/projects\/ElevatedButtonOH<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OHConfirmButton<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">StatefulWidget<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">VoidCallback<\/span> onConfirm<span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token keyword\">const<\/span> <span class=\"token class-name\">OHConfirmButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token class-name\">Key<\/span><span class=\"token operator\">?<\/span> key<span class=\"token punctuation\">,<\/span> required <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>onConfirm<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">:<\/span> key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  _OHConfirmButtonState <span class=\"token function\">createState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">_OHConfirmButtonState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> _OHConfirmButtonState <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">State<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">OHConfirmButton<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n  bool _isProcessing <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>  <span class=\"token class-name\">Future<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token keyword\">void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">_handleConfirm<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">async<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> _isProcessing <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">await<\/span> widget<span class=\"token punctuation\">.<\/span><span class=\"token function\">onConfirm<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6267\u884c\u5916\u90e8\u4e1a\u52a1\u903b\u8f91<\/span><br \/>\n    <span class=\"token function\">setState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span><span class=\"token operator\">&gt;<\/span> _isProcessing <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><\/p>\n<p>  <span class=\"token metadata function\">&#064;override<\/span><br \/>\n  <span class=\"token class-name\">Widget<\/span> <span class=\"token function\">build<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">BuildContext<\/span> context<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">icon<\/span><span class=\"token punctuation\">(<\/span><br \/>\n      icon<span class=\"token punctuation\">:<\/span> _isProcessing<br \/>\n          <span class=\"token operator\">?<\/span> <span class=\"token class-name\">SizedBox<\/span><span class=\"token punctuation\">(<\/span><br \/>\n              width<span class=\"token punctuation\">:<\/span> <span class=\"token number\">24<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">24<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">CircularProgressIndicator<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                strokeWidth<span class=\"token punctuation\">:<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                valueColor<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">AlwaysStoppedAnimation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n              <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><br \/>\n          <span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Icon<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Icons<\/span><span class=\"token punctuation\">.<\/span>check_circle<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      label<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span>_isProcessing <span class=\"token operator\">?<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;\u5904\u7406\u4e2d&#8230;&#039;<\/span><\/span> <span class=\"token punctuation\">:<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#039;\u786e\u8ba4\u8ba2\u5355&#039;<\/span><\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n      onPressed<span class=\"token punctuation\">:<\/span> _isProcessing <span class=\"token operator\">?<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token punctuation\">:<\/span> _handleConfirm<span class=\"token punctuation\">,<\/span><br \/>\n      style<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">styleFrom<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        minimumSize<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">50<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u9e3f\u8499\u63a8\u8350\u6700\u5c0f\u70b9\u51fb\u533a\u57df<\/span><br \/>\n        primary<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Theme<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">of<\/span><span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>primaryColor<span class=\"token punctuation\">,<\/span><br \/>\n        shape<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">StadiumBorder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u80f6\u56ca\u5f62\u72b6<\/span><br \/>\n        shadowColor<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>black<span class=\"token punctuation\">.<\/span><span class=\"token function\">withOpacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u9e3f\u8499\u9634\u5f71\u4f18\u5316<\/span><br \/>\n      <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u5b9e\u73b0\u89e3\u6790&#xff1a;<\/p>\n<li>\u72b6\u6001\u7ba1\u7406&#xff1a;\u901a\u8fc7 _isProcessing \u63a7\u5236\u6309\u94ae\u7981\u7528\u6001\u548c\u52a0\u8f7d\u6307\u793a\u5668<\/li>\n<li>\u9e3f\u8499\u9002\u914d&#xff1a;\n<ul>\n<li>minimumSize \u786e\u4fdd\u6ee1\u8db3\u9e3f\u8499\u65e0\u969c\u788d\u70b9\u51fb\u533a\u57df\u6807\u51c6&#xff08;\u226548dp&#xff09;<\/li>\n<li>StadiumBorder \u4f7f\u7528\u9e3f\u8499\u4f18\u5316\u7684\u9ad8\u6548\u5706\u89d2\u6e32\u67d3\u8def\u5f84<\/li>\n<\/ul>\n<\/li>\n<li>\u89c6\u89c9\u53cd\u9988&#xff1a;\u52a0\u8f7d\u72b6\u6001\u81ea\u52a8\u5207\u6362\u4e3a\u8fdb\u5ea6\u6307\u793a\u5668<\/li>\n<hr \/>\n<h3>\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h3>\n<h4>1. \u9634\u5f71\u6e32\u67d3\u5f02\u5e38<\/h4>\n<p>\u95ee\u9898\u73b0\u8c61&#xff1a;\u5728\u9e3f\u8499\u8bbe\u5907\u4e0a\u9634\u5f71\u663e\u793a\u6a21\u7cca\u6216\u7f3a\u5931<br \/>\n\u89e3\u51b3\u65b9\u6848&#xff1a;<\/p>\n<p><span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  style<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">styleFrom<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    elevation<span class=\"token punctuation\">:<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    shadowColor<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Colors<\/span><span class=\"token punctuation\">.<\/span>black<span class=\"token punctuation\">.<\/span><span class=\"token function\">withOpacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u663e\u5f0f\u58f0\u660e\u9634\u5f71\u8272<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p>\u540c\u65f6\u9700\u5728\u9e3f\u8499\u4e3b\u9898\u4e2d\u542f\u7528\u6df1\u5ea6\u6e32\u67d3&#xff1a;<\/p>\n<p><span class=\"token comment\">&lt;!&#8211; res\/values\/ohos_theme.xml &#8211;&gt;<\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>declare-styleable<\/span> <span class=\"token attr-name\">name<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>HarmonyRendering<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">&gt;<\/span><\/span><br \/>\n  <span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;<\/span>attr<\/span> <span class=\"token attr-name\">name<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>enableDepthRendering<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">format<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>boolean<span class=\"token punctuation\">&#034;<\/span><\/span> <span class=\"token attr-name\">value<\/span><span class=\"token attr-value\"><span class=\"token punctuation attr-equals\">&#061;<\/span><span class=\"token punctuation\">&#034;<\/span>true<span class=\"token punctuation\">&#034;<\/span><\/span><span class=\"token punctuation\">\/&gt;<\/span><\/span><br \/>\n<span class=\"token tag\"><span class=\"token tag\"><span class=\"token punctuation\">&lt;\/<\/span>declare-styleable<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><\/p>\n<h4>2. \u89e6\u6478\u70ed\u533a\u4e0d\u8db3<\/h4>\n<p>\u95ee\u9898\u73b0\u8c61&#xff1a;\u6309\u94ae\u8fb9\u7f18\u70b9\u51fb\u65e0\u54cd\u5e94<br \/>\n\u4f18\u5316\u65b9\u6848&#xff1a;<\/p>\n<p><span class=\"token class-name\">Material<\/span><span class=\"token punctuation\">(<\/span><br \/>\n  type<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">MaterialType<\/span><span class=\"token punctuation\">.<\/span>transparency<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u900f\u660e\u6750\u6599\u5c42\u6269\u5c55\u70b9\u51fb\u533a\u57df<\/span><br \/>\n  child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">InkWell<\/span><span class=\"token punctuation\">(<\/span><br \/>\n    borderRadius<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">BorderRadius<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">circular<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    onTap<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u7a7a\u56de\u8c03\u6269\u5c55\u70ed\u533a<\/span><br \/>\n    child<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ElevatedButton<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<h4>3. \u5df2\u77e5\u5e73\u53f0\u9650\u5236<\/h4>\n<table>\n<tr>\u95ee\u9898\u7c7b\u578b\u5f71\u54cd\u7248\u672c\u4e34\u65f6\u89e3\u51b3\u65b9\u6848<\/tr>\n<tbody>\n<tr>\n<td>\u6697\u9ed1\u6a21\u5f0f\u9634\u5f71\u53cd\u8272<\/td>\n<td>OpenHarmony 3.2<\/td>\n<td>\u4f7f\u7528 ShadowTheme \u5305\u88f9\u6309\u94ae<\/td>\n<\/tr>\n<tr>\n<td>\u65e0\u969c\u788d\u7126\u70b9\u4e22\u5931<\/td>\n<td>Flutter 3.7<\/td>\n<td>\u6dfb\u52a0 FocusNode \u624b\u52a8\u7ba1\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u52a8\u6001\u9634\u5f71\u6027\u80fd\u5f00\u9500<\/td>\n<td>\u4f4e\u7aef\u8bbe\u5907<\/td>\n<td>\u964d\u4f4e elevation \u6700\u5927\u503c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e03\u3001\u603b\u7ed3\u4e0e\u6269\u5c55\u65b9\u5411<\/h3>\n<p>ElevatedButton \u4f5c\u4e3a Flutter \u6838\u5fc3\u4ea4\u4e92\u63a7\u4ef6&#xff0c;\u5728 OpenHarmony \u5e73\u53f0\u9700\u91cd\u70b9\u5173\u6ce8&#xff1a;<\/p>\n<li>\u89c6\u89c9\u4e00\u81f4\u6027&#xff1a;\u901a\u8fc7 ButtonStyle 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\/>\nhttps:\/\/openharmonycrossplatform.csdn.net<\/p>\n<hr \/>\n<p>\u6280\u672f\u9a8c\u8bc1\u73af\u5883&#xff1a;<\/p>\n<ul>\n<li>OpenHarmony 3.2.6.9<\/li>\n<li>Flutter 3.13.9<\/li>\n<li>DevEco Studio 3.1.2.500<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Flutter for OpenHarmony \u5b9e\u6218&#xff1a;ElevatedButton \u60ac\u6d6e\u6309\u94ae\u8be6\u89e3\u6458\u8981&#xff1a;\u672c\u6587\u6df1\u5165\u89e3\u6790 Flutter \u6846\u67b6\u5728 OpenHarmony \u5e73\u53f0\u4e2d ElevatedButton \u60ac\u6d6e\u6309\u94ae\u63a7\u4ef6\u7684\u5e94\u7528\u5b9e\u8df5\u3002\u901a\u8fc7\u5256\u6790\u5176\u6838\u5fc3\u5c5e\u6027\u3001\u6837\u5f0f\u5b9a\u5236\u3001\u4e8b\u4ef6\u5904\u7406\u53ca\u72b6\u6001\u7ba1\u7406\u673a\u5236&#xff0c;\u7ed3\u5408\u9e3f\u8499\u539f\u751f\u63a7\u4ef6\u5bf9\u6bd4\u548c\u5e73\u53f0\u9002\u914d\u8981\u70b9&#xff0c;\u63d0\u4f9b\u4ece\u57fa\u7840\u5230\u8fdb\u9636\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002\u6587\u7ae0\u5305\u542b 5 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