I have searched the same query but got the answer that I should restart Eclipse, but that trick is not working for me. I have also update with latest update of sdk. things are working perfectly in Android studio. But when I am open Eclipse it throws following error
[2017-04-27 12:14:08 - CRM] ------------------------------
[2017-04-27 12:14:08 - CRM] Android Launch!
[2017-04-27 12:14:08 - CRM] The connection to adb is down, and a
severe error has occured.
[2017-04-27 12:14:08 - CRM] You must restart adb and Eclipse.
[2017-04-27 12:14:08 - CRM] Please ensure that adb is correctly
located at 'F:\SDK\platform-tools\adb.exe' and can be executed.
Should I use different SDK for both. but it is space consuming task.
Also I am getting the following message when I run apk
`[2017-04-27 12:27:56 - DDMS] DDMS files not found: F:\SDK\tools\traceview.bat'
In My Case I used differnt SDk for eclipse and android studio works for me.
download SDk for eclipse from download sdk