can't debug android projects in Eclipse (adt bundle)

Question

I can't debug any android projects on my PC. I am using the adt bundle version where in both Eclipse and SDK are bundled together. I tried almost all the solutions I found on here like restarting the PC (running Ubuntu), the android device and the adb server , adding android:debuggable="true" to the manifest.xml file, changing the debug port to 8601 but nothing helped. I have also tried debugging on another PC with the adt bundle and couldn't debug on it either. Is there something wrong with the adt bundle that prevents me from debugging or is there some setting in the SDK or Eclipse that I have missed out on?

Edit:

The error I get:

Launch error: Failed to connect to remote VM. Connection timed out.

Can anyone who has successfully debugged an android app using the adt-bundle comment on this post so I know it's possible?

Answer 1

Did you turned developers options on in device? see here

also this may be useful

for your error connection timed out

go to Windows->Preferences->Android->DDMS. Change default port, apply, and restart Eclipse.

if this also does not work

do CTRL + ALT + DELETE and kill all adb.exe processes

Answer 2

按照以下步骤重新安装安装程序： http://www.javatpoint.com/how-to-setup-android-for-eclipse-ide