方法名：keyevent(keyname)
方法示例：keyevent("keycode_back")
| keyname | value | content | |
| 电话相关 | KEYCODE_CALL | 5 | 拨号键 |
| KEYCODE_ENDCALL | 6 | 挂机键 | |
| KEYCODE_SEARCH | 84 | 搜索键 | |
| KEYCODE_CAMERA | 27 | 拍照键 | |
| KEYCODE_FOCUS | 80 | 拍照对焦键 | |
| KEYCODE_POWER | 26 | 电源键 | |
| KEYCODE_HOME | 3 | 按键Home | |
| KEYCODE_MENU | 82 | 菜单键 | |
| KEYCODE_BACK | 4 | 返回键 | |
| KEYCODE_NOTIFICATION | 83 | 通知键 | |
| KEYCODE_MUTE | 91 | 话筒静音键 | |
| KEYCODE_VOLUME_MUTE | 164 | 扬声器静音键 | |
| KEYCODE_VOLUME_UP | 24 | 音量增加键 | |
| KEYCODE_VOLUME_DOWN | 25 | 音量减小键 | |
| 控制键 | KEYCODE_ENTER | 66 | 回车键 |
| KEYCODE_ESCAPE | 111 | ESC键 | |
| KEYCODE_DPAD_CENTER | 23 | 导航键 确定键 | |
| KEYCODE_DPAD_UP | 19 | 导航键 向上 | |
| KEYCODE_DPAD_DOWN | 20 | 导航键 向下 | |
| KEYCODE_DPAD_LEFT | 21 | 导航键 向左 | |
| KEYCODE_DPAD_RIGHT | 22 | 导航键 向右 | |
| KEYCODE_MOVE_HOME | 122 | 光标移动到开始键 | |
| KEYCODE_MOVE_END | 123 | 光标移动到末尾键 | |
| KEYCODE_PAGE_UP | 92 | 向上翻页键 | |
| KEYCODE_PAGE_DOWN | 93 | 向下翻页键 | |
| KEYCODE_DEL | 67 | 退格键 | |
| KEYCODE_FORWARD_DEL | 112 | 删除键 | |
| KEYCODE_INSERT | 124 | 插入键 | |
| KEYCODE_TAB | 61 | Tab键 | |
| KEYCODE_NUM_LOCK | 143 | 小键盘锁 | |
| KEYCODE_CAPS_LOCK | 115 | 大写锁定键 | |
| KEYCODE_BREAK | 121 | Break/Pause键 | |
| KEYCODE_SCROLL_LOCK | 116 | 滚动锁定键 | |
| KEYCODE_ZOOM_IN | 168 | 放大键 | |
| KEYCODE_ZOOM_OUT | 169 | 缩小键 | |
|
全部字符键 0-9 A-Z |
KEYCODE_0 | 7 | 按键’0’ |
| KEYCODE_1 | 8 | 按键’1’ | |
| KEYCODE_2 | 9 | 按键’2’ | |
| KEYCODE_3 | 10 | 按键’3’ | |
| KEYCODE_4 | 11 | 按键’4’ | |
| KEYCODE_5 | 12 | 按键’5’ | |
| KEYCODE_6 | 13 | 按键’6’ | |
| KEYCODE_7 | 14 | 按键’7’ | |
| KEYCODE_8 | 15 | 按键’8’ | |
| KEYCODE_9 | 16 | 按键’9’ | |
| KEYCODE_A | 29 | 按键’A’ | |
| KEYCODE_B | 30 | 按键’B’ | |
| KEYCODE_C | 31 | 按键’C’ | |
| KEYCODE_D | 32 | 按键’D’ | |
| KEYCODE_E | 33 | 按键’E’ | |
| KEYCODE_F | 34 | 按键’F’ | |
| KEYCODE_G | 35 | 按键’G’ | |
| KEYCODE_H | 36 | 按键’H’ | |
| KEYCODE_I | 37 | 按键’I’ | |
| KEYCODE_J | 38 | 按键’J’ | |
| KEYCODE_K | 39 | 按键’K’ | |
| KEYCODE_L | 40 | 按键’L’ | |
| KEYCODE_M | 41 | 按键’M’ | |
| KEYCODE_N | 42 | 按键’N’ | |
| KEYCODE_O | 43 | 按键’O’ | |
| KEYCODE_P | 44 | 按键’P’ | |
| KEYCODE_Q | 45 | 按键’Q’ | |
| KEYCODE_R | 46 | 按键’R’ | |
| KEYCODE_S | 47 | 按键’S’ | |
| KEYCODE_T | 48 | 按键’T’ | |
| KEYCODE_U | 49 | 按键’U’ | |
| KEYCODE_V | 50 | 按键’V’ | |
| KEYCODE_W | 51 | 按键’W’ | |
| KEYCODE_X | 52 | 按键’X’ | |
| KEYCODE_Y | 53 | 按键’Y’ | |
| KEYCODE_Z | 54 | 按键’Z’ | |
| 常用符号 | KEYCODE_PLUS | 按键’+’ | |
| KEYCODE_MINUS | 按键’-’ | ||
| KEYCODE_STAR | 按键’*’ | ||
| KEYCODE_SLASH | 按键’/’正斜杠 | ||
| KEYCODE_EQUALS | 按键’=’ | ||
| KEYCODE_AT | 按键’@’ | ||
| KEYCODE_POUND | 按键’#’ | ||
| KEYCODE_APOSTROPHE | 单引号 | ||
| KEYCODE_BACKSLASH | 按键’\’反斜杠 | ||
| KEYCODE_COMMA | 按键’,’ | ||
| KEYCODE_PERIOD | 按键’.’ | ||
| KEYCODE_LEFT_BRACKET | 按键’[’ | ||
| KEYCODE_RIGHT_BRACKET | 按键’]’ | ||
| KEYCODE_SEMICOLON | 按键’;’ | ||
| KEYCODE_GRAVE | 按键’`’ | ||
| KEYCODE_SPACE | 空格键 |