用PC键盘操作android emulator，感觉也不错。

Home
HOME

Menu (left softkey)
F2 or Page-up button

Star (right softkey)
Shift-F2 or Page Down

Back
ESC

Call/dial button
F3

Hangup/end call button
F4

Search
F5

Power button
F7

Audio volume up button
KEYPAD_PLUS, Ctrl-5

Audio volume down button
KEYPAD_MINUS, Ctrl-F6

Camera button
Ctrl-KEYPAD_5, Ctrl-F3

Switch to previous layout orientation (for example, portrait, landscape)
KEYPAD_7, F11

Switch to next layout orientation (for example, portrait, landscape)
KEYPAD_9, F12

Toggle cell networking on/off
F8

Toggle code profiling
F9 (only with -trace startup option)

Toggle fullscreen mode
Alt-Enter

Toggle trackball mode
F6

Enter trackball mode temporarily (while key is pressed)
Delete

DPad left/up/right/down
KEYPAD_4/8/6/2

DPad center click
KEYPAD_5

Onion alpha increase/decrease
KEYPAD_MULTIPLY(*) / KEYPAD_DIVIDE(/)