＝＝＝＝＝＝＝＝＝＝input keyevent＝＝＝＝＝＝＝＝＝
Android 4.4 源码里keycode 定义在：
frameworks/base/core/java/android/view/KeyEvent.java
可以在minicom里或，adb shell （需要root）下输入
input keyevent n 来进行相关操作 adb shell input keyevent 7 # for key '0'adb shell input keyevent 8 # for key '1'adb shell input keyevent 29 # for key 'A'adb shell input keyevent 54 # for key 'B'adb shell input text "ANDROID"支持的KEYCODE, 只列出了一部分，黄色部分为常用键
0 --> "KEYCODE_UNKNOWN"1 --> "KEYCODE_MENU"2 --> "KEYCODE_SOFT_RIGHT" 3 --> "KEYCODE_HOME" 4 --> "KEYCODE_BACK" 5 --> "KEYCODE_CALL"6 --> "KEYCODE_ENDCALL" 7 --> "KEYCODE_0" 8 --> "KEYCODE_1" 9 --> "KEYCODE_2" 10 --> "KEYCODE_3"11 --> "KEYCODE_4" 13 --> "KEYCODE_6" 12 --> "KEYCODE_5" 14 --> "KEYCODE_7" 15 --> "KEYCODE_8" 16 --> "KEYCODE_9" 17 --> "KEYCODE_STAR" 18 --> "KEYCODE_POUND" 19 --> "KEYCODE_DPAD_UP" 垂直向上20 --> "KEYCODE_DPAD_DOWN" 垂直向下21 --> "KEYCODE_DPAD_LEFT" 水平向左22 --> "KEYCODE_DPAD_RIGHT" 水平向右23 --> "KEYCODE_DPAD_CENTER" 确定键24 --> "KEYCODE_VOLUME_UP" 音量加25 --> "KEYCODE_VOLUME_DOWN" 音量减26 --> "KEYCODE_POWER" 27 --> "KEYCODE_CAMERA" 28 --> "KEYCODE_CLEAR" 29 --> "KEYCODE_A" 30 --> "KEYCODE_B" 31 --> "KEYCODE_C" 32 --> "KEYCODE_D" 33 --> "KEYCODE_E" 34 --> "KEYCODE_F" 35 --> "KEYCODE_G" 36 --> "KEYCODE_H" 37 --> "KEYCODE_I" 38 --> "KEYCODE_J" 39 --> "KEYCODE_K" 40 --> "KEYCODE_L" 41 --> "KEYCODE_M"42 --> "KEYCODE_N" 43 --> "KEYCODE_O" 44 --> "KEYCODE_P" 45 --> "KEYCODE_Q" 46 --> "KEYCODE_R" 47 --> "KEYCODE_S" 48 --> "KEYCODE_T" 49 --> "KEYCODE_U" 50 --> "KEYCODE_V" 51 --> "KEYCODE_W" 52 --> "KEYCODE_X"53 --> "KEYCODE_Y" 54 --> "KEYCODE_Z" 55 --> "KEYCODE_COMMA" 56 --> "KEYCODE_PERIOD"57 --> "KEYCODE_ALT_LEFT" 58 --> "KEYCODE_ALT_RIGHT" 59 --> "KEYCODE_SHIFT_LEFT" 60 --> "KEYCODE_SHIFT_RIGHT" 61 --> "KEYCODE_TAB" 62 --> "KEYCODE_SPACE" 63 --> "KEYCODE_SYM" 64 --> "KEYCODE_EXPLORER" 65 --> "KEYCODE_ENVELOPE" 66 --> "KEYCODE_ENTER" 67 --> "KEYCODE_DEL" 68 --> "KEYCODE_GRAVE" 69 --> "KEYCODE_MINUS" 70 --> "KEYCODE_EQUALS" 71 --> "KEYCODE_LEFT_BRACKET" 72 --> "KEYCODE_RIGHT_BRACKET" 73 --> "KEYCODE_BACKSLASH" 74 --> "KEYCODE_SEMICOLON" 75 --> "KEYCODE_APOSTROPHE"76 --> "KEYCODE_SLASH" 77 --> "KEYCODE_AT" 78 --> "KEYCODE_NUM" 79 --> "KEYCODE_HEADSETHOOK" 80 --> "KEYCODE_FOCUS"81 --> "KEYCODE_PLUS" 82 --> "KEYCODE_MENU" 解锁83 --> "KEYCODE_NOTIFICATION"84 --> "KEYCODE_SEARCH" 85 --> "TAG_LAST_KEYCODE" Ref:http://www.cnblogs.com/androidwsjisji/archive/2012/05/11/2496753.html