Debugging
- Debugger
- Double click to set/unset breakpoints
- Step-in / Step-over / Step-return
- LogCat
- Window > Show View > Other > Android/LogCat
- DDMS
- Dalvik Debug Monitor Service
- Window > Open Perspective > Other > DDMS
公式のドキュメントは読むべきなかんじかな。
http://developer.android.com/guide/developing/debugging/