検証済みの機能

近距離 QR ファイル転送

短時間有効な QR コードで近くの Android 端末間にファイルを転送します。

解決できる問題: Moving files between nearby phones should not require first uploading them to a developer-operated server.

短時間有効な QR コードで近くの Android 端末間にファイルを転送します。
短時間有効な QR コードで近くの Android 端末間にファイルを転送します。

できること

  • Create a short-lived QR pairing code on the receiving phone.
  • Select images or files to send from the other phone.
  • Connect nearby devices through Bluetooth and Wi-Fi.
  • Verify the one-time session and file integrity before saving.

設定できる項目

  • Image or file selection
  • Custom receive folder
  • Manual matching-digit confirmation when required

対応する入力

  • Selected images or files on a sending Android phone

出力

  • Files saved to a selected folder or private app storage on the receiving phone

ワークフロー

  1. Create a receive code on the destination phone.
  2. Select files on the sending phone and scan the code.
  3. Confirm matching digits when automatic verification asks for confirmation.
  4. Keep the phones nearby while transfer and integrity verification complete.
  5. Open the selected destination and review the received files.

制限事項

  • The feature requires compatible Google Play services and nearby-device permissions.
  • Bluetooth and Wi-Fi must be available, and the QR code expires after 60 seconds.

よくある質問

Are files uploaded to a developer server?

No. The verified QR Transfer flow connects nearby phones directly using Bluetooth and Wi-Fi.

Why can the pairing QR code expire?

The receiving screen states that the one-time code is valid for 60 seconds to limit reuse.

プロジェクトの根拠

  • feature/feature_app/src/main/java/com/wkq/photo/feature/app/qrtransfer/QrTransferActivity.kt
  • feature/feature_app/src/main/java/com/wkq/photo/feature/app/qrtransfer/QrTransferService.kt
  • feature/feature_app/src/main/res/values/feature_page_strings.xml
関連ガイドを読む