创新互联鸿蒙OS教程：鸿蒙OSBuiltinKeyEvent

BuiltinKeyEvent

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java.lang.Object
|---ohos.multimodalinput.event.MultimodalEvent
|---|---ohos.multimodalinput.event.KeyEvent
|---|---|---ohos.multimodalinput.event.BuiltinKeyEvent

public abstract class BuiltinKeyEvent
extends KeyEvent

定义内部输入设备的按键事件。

所有内部输入设备的按键事件，如电视上的按钮、车辆、旋钮等，都由该类定义。操作系统统一管理内部输入设备的按键事件。已为此类及其子类中定义的键码授予权限。这意味着访问关键事件需要相应的权限。

Since:

嵌套类摘要

从接口 ohos.utils.Sequenceable 继承的嵌套类/接口
Sequenceable.ProducerT

字段摘要

从类 ohos.multimodalinput.event.KeyEvent 继承的字段
KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_A, KEY_ALT_LEFT, KEY_ALT_RIGHT, KEY_APOSTROPHE, KEY_AT, KEY_B, KEY_BACK, KEY_BACKSLASH, KEY_BREAK, KEY_BRIGHTNESS_DOWN, KEY_BRIGHTNESS_UP, KEY_C, KEY_CALL, KEY_CAMERA, KEY_CAPS_LOCK, KEY_CLEAR, KEY_COMMA, KEY_CTRL_LEFT, KEY_CTRL_RIGHT, KEY_CUSTOM1, KEY_D, KEY_DEL, KEY_DPAD_CENTER, KEY_DPAD_DOWN, KEY_DPAD_LEFT, KEY_DPAD_RIGHT, KEY_DPAD_UP, KEY_E, KEY_ENDCALL, KEY_ENTER, KEY_ENVELOPE, KEY_EQUALS, KEY_ESCAPE, KEY_EXPLORER, KEY_F, KEY_F1, KEY_F10, KEY_F11, KEY_F12, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7, KEY_F8, KEY_F9, KEY_FOCUS, KEY_FORWARD, KEY_FORWARD_DEL, KEY_FUNCTION, KEY_G, KEY_GRAVE, KEY_H, KEY_HEADSETHOOK, KEY_HOME, KEY_I, KEY_INSERT, KEY_J, KEY_K, KEY_L, KEY_LAUNCHER_MENU, KEY_LEFT_BRACKET, KEY_LEFT_KNOB, KEY_LEFT_KNOB_ROLL_DOWN, KEY_LEFT_KNOB_ROLL_UP, KEY_M, KEY_MEDIA_CLOSE, KEY_MEDIA_EJECT, KEY_MEDIA_FAST_FORWARD, KEY_MEDIA_NEXT, KEY_MEDIA_PAUSE, KEY_MEDIA_PLAY, KEY_MEDIA_PLAY_PAUSE, KEY_MEDIA_PREVIOUS, KEY_MEDIA_RECORD, KEY_MEDIA_REWIND, KEY_MEDIA_STOP, KEY_MENU, KEY_META_LEFT, KEY_META_RIGHT, KEY_MINUS, KEY_MOVE_END, KEY_MOVE_HOME, KEY_N, KEY_NOTIFICATION, KEY_NUM_LOCK, KEY_NUMPAD_0, KEY_NUMPAD_1, KEY_NUMPAD_2, KEY_NUMPAD_3, KEY_NUMPAD_4, KEY_NUMPAD_5, KEY_NUMPAD_6, KEY_NUMPAD_7, KEY_NUMPAD_8, KEY_NUMPAD_9, KEY_NUMPAD_ADD, KEY_NUMPAD_COMMA, KEY_NUMPAD_DIVIDE, KEY_NUMPAD_DOT, KEY_NUMPAD_ENTER, KEY_NUMPAD_EQUALS, KEY_NUMPAD_LEFT_PAREN, KEY_NUMPAD_MULTIPLY, KEY_NUMPAD_RIGHT_PAREN, KEY_NUMPAD_SUBTRACT, KEY_O, KEY_P, KEY_PAGE_DOWN, KEY_PAGE_UP, KEY_PERIOD, KEY_PLUS, KEY_POUND, KEY_POWER, KEY_PRESSED, KEY_Q, KEY_R, KEY_RELEASED, KEY_RIGHT_BRACKET, KEY_RIGHT_KNOB, KEY_RIGHT_KNOB_ROLL_DOWN, KEY_RIGHT_KNOB_ROLL_UP, KEY_S, KEY_SCROLL_LOCK, KEY_SEARCH, KEY_SEMICOLON, KEY_SHIFT_LEFT, KEY_SHIFT_RIGHT, KEY_SLASH, KEY_SPACE, KEY_STAR, KEY_SYM, KEY_SYSRQ, KEY_T, KEY_TAB, KEY_U, KEY_UNKNOWN, KEY_V, KEY_VOICE_ASSISTANT, KEY_VOICE_SOURCE_SWITCH, KEY_VOLUME_DOWN, KEY_VOLUME_MUTE, KEY_VOLUME_UP, KEY_W, KEY_WEAR_1, KEY_X, KEY_Y, KEY_Z, NOW_MAX_KEY

从类 ohos.multimodalinput.event.KeyEvent 继承的字段

KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_A, KEY_ALT_LEFT, KEY_ALT_RIGHT, KEY_APOSTROPHE, KEY_AT, KEY_B, KEY_BACK, KEY_BACKSLASH, KEY_BREAK, KEY_BRIGHTNESS_DOWN, KEY_BRIGHTNESS_UP, KEY_C, KEY_CALL, KEY_CAMERA, KEY_CAPS_LOCK, KEY_CLEAR, KEY_COMMA, KEY_CTRL_LEFT, KEY_CTRL_RIGHT, KEY_CUSTOM1, KEY_D, KEY_DEL, KEY_DPAD_CENTER, KEY_DPAD_DOWN, KEY_DPAD_LEFT, KEY_DPAD_RIGHT, KEY_DPAD_UP, KEY_E, KEY_ENDCALL, KEY_ENTER, KEY_ENVELOPE, KEY_EQUALS, KEY_ESCAPE, KEY_EXPLORER, KEY_F, KEY_F1, KEY_F10, KEY_F11, KEY_F12, KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7, KEY_F8, KEY_F9, KEY_FOCUS, KEY_FORWARD, KEY_FORWARD_DEL, KEY_FUNCTION, KEY_G, KEY_GRAVE, KEY_H, KEY_HEADSETHOOK, KEY_HOME, KEY_I, KEY_INSERT, KEY_J, KEY_K, KEY_L, KEY_LAUNCHER_MENU, KEY_LEFT_BRACKET, KEY_LEFT_KNOB, KEY_LEFT_KNOB_ROLL_DOWN, KEY_LEFT_KNOB_ROLL_UP, KEY_M, KEY_MEDIA_CLOSE, KEY_MEDIA_EJECT, KEY_MEDIA_FAST_FORWARD, KEY_MEDIA_NEXT, KEY_MEDIA_PAUSE, KEY_MEDIA_PLAY, KEY_MEDIA_PLAY_PAUSE, KEY_MEDIA_PREVIOUS, KEY_MEDIA_RECORD, KEY_MEDIA_REWIND, KEY_MEDIA_STOP, KEY_MENU, KEY_META_LEFT, KEY_META_RIGHT, KEY_MINUS, KEY_MOVE_END, KEY_MOVE_HOME, KEY_N, KEY_NOTIFICATION, KEY_NUM_LOCK, KEY_NUMPAD_0, KEY_NUMPAD_1, KEY_NUMPAD_2, KEY_NUMPAD_3, KEY_NUMPAD_4, KEY_NUMPAD_5, KEY_NUMPAD_6, KEY_NUMPAD_7, KEY_NUMPAD_8, KEY_NUMPAD_9, KEY_NUMPAD_ADD, KEY_NUMPAD_COMMA, KEY_NUMPAD_DIVIDE, KEY_NUMPAD_DOT, KEY_NUMPAD_ENTER, KEY_NUMPAD_EQUALS, KEY_NUMPAD_LEFT_PAREN, KEY_NUMPAD_MULTIPLY, KEY_NUMPAD_RIGHT_PAREN, KEY_NUMPAD_SUBTRACT, KEY_O, KEY_P, KEY_PAGE_DOWN, KEY_PAGE_UP, KEY_PERIOD, KEY_PLUS, KEY_POUND, KEY_POWER, KEY_PRESSED, KEY_Q, KEY_R, KEY_RELEASED, KEY_RIGHT_BRACKET, KEY_RIGHT_KNOB, KEY_RIGHT_KNOB_ROLL_DOWN, KEY_RIGHT_KNOB_ROLL_UP, KEY_S, KEY_SCROLL_LOCK, KEY_SEARCH, KEY_SEMICOLON, KEY_SHIFT_LEFT, KEY_SHIFT_RIGHT, KEY_SLASH, KEY_SPACE, KEY_STAR, KEY_SYM, KEY_SYSRQ, KEY_T, KEY_TAB, KEY_U, KEY_UNKNOWN, KEY_V, KEY_VOICE_ASSISTANT, KEY_VOICE_SOURCE_SWITCH, KEY_VOLUME_DOWN, KEY_VOLUME_MUTE, KEY_VOLUME_UP, KEY_W, KEY_WEAR_1, KEY_X, KEY_Y, KEY_Z, NOW_MAX_KEY

从类 ohos.multimodalinput.event.MultimodalEvent 继承的字段
BUILTIN_KEY, DEFAULT_TYPE, highLevelEvent, KEYBOARD, MOUSE, ROTATION, SPEECH, STYLUS, TOUCH_PANEL, UNSUPPORTED_DEVICE, uuid

构造函数摘要

构造函数	描述
BuiltinKeyEvent()

方法总结

从类 ohos.multimodalinput.event.KeyEvent 继承的方法
getKeyCode, getKeyDownDuration, getMaxKeyCode, isKeyDown

从类 ohos.multimodalinput.event.MultimodalEvent 继承的方法
getDeviceId, getInputDeviceId, getOccurredTime, getSourceDevice, getUuid, isSameEvent, marshalling, unmarshalling

从类 java.lang.Object 继承的方法
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口 ohos.utils.Sequenceable 继承的方法
hasFileDescriptor

构造函数详细信息

BuiltinKeyEvent

public BuiltinKeyEvent()

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