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Android手机获取不到String[] mDevices = serialPortFinder.getAllDevicesPath();，mDevices大小为0 #31

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chuncainiao opened this issue Aug 19, 2020 · 3 comments
Open

Android手机获取不到String[] mDevices = serialPortFinder.getAllDevicesPath();，mDevices大小为0 #31

chuncainiao opened this issue Aug 19, 2020 · 3 comments

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@chuncainiao
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java.io.FileNotFoundException: /proc/tty/drivers: open failed: EACCES (Permission denied)
W/System.err: at libcore.io.IoBridge.open(IoBridge.java:496)
W/System.err: at java.io.FileInputStream.(FileInputStream.java:159)
W/System.err: at java.io.FileInputStream.(FileInputStream.java:115)
W/System.err: at java.io.FileReader.(FileReader.java:58)
W/System.err: at android.serialport.SerialPortFinder.getDrivers(SerialPortFinder.java:71)
@grubberbin
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权限问题啊

@chuncainiao
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Author

这两个权限都已经添加了呀

@Mr-Jiang
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Mr-Jiang commented Jul 7, 2023

SE-Linux权限，需要改系统.te文件

@Mr-Jiang Mr-Jiang mentioned this issue Aug 3, 2023
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@Mr-Jiang @grubberbin @chuncainiao