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我用过:uses-feature android:name="android.hardware.camera" 但这会检查相机。但我想检查 Flash Led 是否存在。
使用<uses-feature android:name="android.hardware.camera.flash" />,如文档中所述。
<uses-feature android:name="android.hardware.camera.flash" />
我已经用 Flask 创建了一个 Python 应用程序,现在我正在尝试将它部署在 Heroku 上。当我尝试推送(使用“git push heroku master”)时,出现以下错误:
raise ValueError("Missing distribution spec"