預覽圖片

方法1 – 修改 Setting
VS Code左下方 打開Setting

搜尋 dart 並拉到最底
將 Preview Flutter Ui Guides
及 Preview Flutter Ui Guides Custom Tracking
打勾,然後重啟VS Code

方法2 – 直接修改 settings.json
ctrl + shift + p 然後輸入 settings.json,選擇 Open User Settings (JSON)

加入以下代碼並保存,再重啟VS Code
JSON
"dart.previewFlutterUiGuides": true,
"dart.previewFlutterUiGuidesCustomTracking": true,