The Dalvik Debug Monitor Server (DDMS), whether it's accessed through the standalone application or the Eclipse perspective with the same name, provides handy features for inspecting, debugging, and interacting with emulator and device instances. You can use DDMS to inspect running processes and threads, explore the filesystem, gather heap and other memory information, attach debuggers, and even take screenshots. For emulators, you can also simulate mock location data, send SMS messages, and initiate incoming phone calls:
As the preceding screenshot shows, DDMS can primarily track, update, and display the following information:
All running processes
All running threads per process
Consumed heap per process
All log messages
On Android, every application runs in its own process, each of which runs in its own virtual machine. The debugger can be attached to the exposed port of VM. DDMS connects to adb on start. On successful connection, a VM monitoring service is created...
