Please , I am beginner to ANDROID . Can anyone send me Android Ebooks ... ?
On Wed, Jul 25, 2012 at 5:17 PM, Sreedhar Reddy V <[email protected]>wrote: > Thanks for the answer, > > actually i am trying to run commands from python script, > > more over if the issue is with adbd, then even though i keep shell open, > restart adb server on pc, nothing is working, > > only solution is remove usb cable, uncheck and check usb debugging option > on android device, connect usb cable again.(But i dont want to do it :-)) > > question which is tickling my mind is why device is going to offline? > > > On Tuesday, 24 July 2012 09:26:27 UTC+5:30, Diego Torres Milano wrote: >> >> You can leave a shell open (which perhaps prevents being disconnected) in >> a window and then run the monkey scripts on another window. >> >> On Wednesday, 18 July 2012 03:00:45 UTC-4, Sreedhar Reddy V wrote: >>> >>> Hi >>> >>> I connected My android ICS device to my windows PC using USB. >>> >>> I executed "adb devices" from my pc. >>> >>> The output >>> ------------------------------**------------------------------** >>> --------------- >>> List of devices attached >>> XXXXXXXXid device >>> ------------------------------**------------------------------** >>> --------------- >>> >>> >>> After a long time of say 12 hours, i ran the same command "adb devices" >>> from my pc. >>> >>> The output >>> ------------------------------**------------------------------** >>> --------------- >>> List of devices attached >>> XXXXXXXXid offline >>> ------------------------------**------------------------------** >>> --------------- >>> >>> I am not sure what went wrong. i did not even touch my pc, and my device. >>> I made settings in my PC so that it will never sleep. >>> I am running monkey scripts which wont make android device to lock as >>> well. >>> >>> Many people said that ur device is offline because adbd deamon is not >>> running on android device. >>> But this is wrong, why because if adbd is not running then the device >>> will not be listed at all. >>> >>> >>> I came across adbd deamon process which will be running on my android >>> device. >>> For my device to get detected by adb(server on my pc) adbd must be >>> running. >>> >>> I went to adb shell >>> I stopped adbd using the command "stop adbd" >>> This stopped my adbd deamon on android device.because adbd is stopped mt >>> adb(server on my pc will not detect my device) >>> Now adbd is not running, I execute the "adb devices" command the output >>> is, list of devices with empty list. >>> The output >>> ------------------------------**------------------------------** >>> --------------- >>> List of devices attached >>> ------------------------------**------------------------------** >>> --------------- >>> >>> because the device it self is not detected i cannot log in to adb shell >>> again to "start adbd" adbd deamon on my device. >>> so I shutdown and rebooted my android device, this made my adbd deamon >>> to run again. >>> >>> Now when i executed "adb devices" on my PC >>> The output >>> ------------------------------**------------------------------** >>> --------------- >>> List of devices attached >>> XXXXXXXXid device >>> ------------------------------**------------------------------** >>> --------------- >>> >>> >>> By seeing this output it is very clear that adbd deamon is running on >>> device, because if adbd is not running then the device will not be listed >>> at all. >>> >>> Now the question is? >>> what is the reason for the device to go to offline? (i am very sure that >>> "adbd deamon not running" is not at all a reason for this.) >>> How can i switch the device from online -> offline viceversa? >>> >>> I am very very thank full to any android expert who solve my confusion. >>> >>> -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

