# AR ■掃QRcode ![](https://i.imgur.com/bpyFTgR.png) 產生QRcore(內容記得要打文字) http://qr.calm9.com/tw/ ![](https://i.imgur.com/BTeZ0dE.png) ■ 判斷影像圖片大小的分數 https://www.pictorem.com/checkprintsize.html ![](https://i.imgur.com/vGgZjid.jpg) 參考資料 https://developers.google.com/ar/discover/supported-devices https://github.com/google-ar/arcore-android-sdk ![](https://i.imgur.com/Ma8J7pT.png) ■遇到的問題 導航無法跟上實際腳步 *查steplong ![](https://i.imgur.com/XZ7xjtv.png) 影像辨識 ![](https://i.imgur.com/R4zt8gA.png) ■環境安裝 ![](https://i.imgur.com/LaLsq8T.png) 記得把sdk放進去