ADB Android Device Unauthorized

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伪装坚强ぢ
伪装坚强ぢ 2020-11-22 14:36

Since I reinstalled Eclipse (simply deleted and downloaded it again) I can\'t debug my applications on Samsung Galaxy i9001 (with CyanogenMod - Android 4.4.2). It worked fin

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  • 2020-11-22 15:31

    I was getting this error with my Nexus 10. I tried all of the answers I could find, and then I realized I was using a different USB port than usual. I switched to using the port I usually use, which is on the other side of my laptop, and the authorization popped up on my tablet!

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  • 2020-11-22 15:32

    The solution is to copy your file ~/.android/adbkey.pub (on GNU/Linux, or %USERPROFILE%\.android\adbkey.pub on Windows) to Android, and place it as /data/misc/adb/adb_keys. You need root privileges to do that.

    You can transfer the file any way you like (or are able to), be it USB, e-mail or a temporary file upload service. In my case, as it was a new Android-x86 installation in a Virtual Machine, no usable web browser, and with network/TCP adb not working, I had to actually type in the 715 characters.

    At least it worked.

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  • 2020-11-22 15:33

    For reference, I just encountered much the same issue on Linux and had a hell of a time figuring it out. I eventually determined that I had a ~/.android directory that was root owned (thanks to running adb as root, while flailing around trying to figure out other connection problems). Deleting that root owned ~/.android directory resolved the missing authorisation dialog next time I reconnected the device.

    It's possible that simply changing the ownership would also have fixed the problem - I'm guessing it was a simple lack of access to the adb key file stored inside that was the root of the problem. I didn't verify that, though, and I'm not going to deliberately break my hard-won connectivity just so I can check ;-)

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  • 2020-11-22 15:33

    I was tiered with this, I got that permission dialog by turning off wi-fi of my phone.

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  • 2020-11-22 15:33

    After having spent over an hour going in rounds swearing at Samsung (mostly), Google, and who not, here are my findings, that finally helped me get the device recognized:

    • On Device:
      • Set developer mode
      • Allow USB debugging
      • Default USB configuration > Select USB tethering
      • Connect device to PC USB
    • On PC:
      • Elevated cmd/ps prompt (maybe not mandatory, but that was my drill)
      • adb kill-server (precede with .\ in ps)
      • adb start-server (while device connected) > watch for prompt on device
    • On device:
      • Always allow connections from this computer > Yes
    • On PC:
      • adb devices gets the following output:
    List of devices attached
    278c250cce217ece        device
    
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  • 2020-11-22 15:33

    adb usb worked for me This restarts the adb daemon listening on the USB port The command returned:

    error: device unauthorized. Please check the confirmation dialog on your device

    . But the prompt for the RSA key showed up on the phone straight away. Once I approved, everything started working as expected

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