It seems that your device does not support camera(or it is locked)
雕·不懒惰 2020-09-15 06:47:19 opencv人脸识别,在手机上没问题
安装到Android5.1, 7.1板子上都出现这种情况
外接的USB摄像头,系统相机是正常的
权限都有添加
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
<uses-feature android:name="android.hardware.camera.front" />
<uses-feature android:name="android.hardware.camera.front.autofocus" />