flutter和原生混合开发换肤方案

原生

1.本地预定义兜底json配置文件，用户首次启动解析，更新本地存储，再请求服务端配置文件，刷新UI

2.用户每次先拿本地存储，再拉取服务端配置文件，更新本地存储后，全局通知刷新UI

3.设置页切换主题色，recreate()首页,发送map至flutter engine，本地存储用户设置主题色

4.重新打开页面，显示用户设置主题色。无，则显示默认主题色

flutter

调用：

原生请求数据：传个Map集合到flutter

切换时，传map刷新

ThemeData 使用provider更新

 

UI色值定义

{
  "code": 0,
  "data": {
    "default": {
      "background": "#ffffff",
      "primary": "#EC3E33",
      "primary2": "#D4382E",
      "warn": "#F35400",
      "success": "#2B9529",
      "danger": "#E73125",
      "title": "#24262A",
      "content": "#505560",
      "subtitle": "#8A8F9D",
      "tip": "#A2A6BA",
      "reversal": "#FFFFFF",
      "underline": "#F0F1F5",
      "border": "#DCDEE0",
      "card_bg": "#f5f7f9",
      "shadow": "#1F24262A",
      "gradient1": "#EC3E33|#FF7A5C",
      "gradient2": "#FFC8D7FF|#FFFBFCFF|#FFFFFFFF",
      "gradient3": "#FFF33A00|#FFFFA928"
    },
    "yellow_theme": {}
  },
  "message": "",
  "time": 0
}