android 10以上的串口访问权限问题 #49
Description
在android 10以上的设备运行，扫描端口驱动的时候，无法访问 /proc/tty/drivers
提示信息：
17:07:39.340 System.err W java.io.FileNotFoundException: /proc/tty/drivers: open failed: EACCES (Permission denied)
17:07:39.340 System.err W at libcore.io.IoBridge.open(IoBridge.java:575)
17:07:39.340 System.err W at java.io.FileInputStream.(FileInputStream.java:160)
17:07:39.336 rialport.sample W type=1400 audit(0.0:100530): avc: denied { read } for name="drivers" dev="proc" ino=4026531852 scontext=u:r:untrusted_app_29:s0:c191,c258,c512,c768 tcontext=u:object_r:proc_tty_drivers:s0 tclass=file permissive=0 app=android.serialport.sample
17:07:39.340 System.err W at java.io.FileReader.(FileReader.java:58)
17:07:39.340 System.err W at android.serialport.SerialPortFinder.getDrivers(SerialPortFinder.java:71)
17:07:39.340 System.err W at android.serialport.SerialPortFinder.getAllDevices(SerialPortFinder.java:93)
17:07:39.340 System.err W at android.serialport.sample.SerialPortPreferences.onCreate(SerialPortPreferences.java:42)
可否有解决方法