Native XComponent

Overview

Describes the surface and touch event held by the ArkUI XComponent, which can be used for the EGL/OpenGL ES and media data input and displayed on the ArkUI XComponent. For details, see Native XComponent.

NOTE

The APIs of this module are supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.

Summary

Files

Name	Description
native_interface_xcomponent.h	Declares the APIs for accessing NativeXComponent. File to include: <ace/xcomponent/native_interface_xcomponent.h> Library: libace_ndk.z.so
native_xcomponent_key_event.h	Declares the enums used to access NativeXComponent key events. File to include: <ace/xcomponent/native_xcomponent_key_event.h> Library: libace_ndk.z.so

Structs

Name	Description
OH_NativeXComponent_TouchPoint	Describes the touch point of the touch event.
OH_NativeXComponent_TouchEvent	Describes the touch event.
OH_NativeXComponent_MouseEvent	Describes the mouse event.
OH_NativeXComponent_Callback	Registers callbacks for the surface lifecycle and touch event.
OH_NativeXComponent_MouseEvent_Callback	Registers callbacks for the mouse event.
OH_NativeXComponent_ExpectedRateRange	Defines the expected frame rate range.

Types

Name	Description
OH_NativeXComponent	Provides an encapsulated OH_NativeXComponent instance.
OH_NativeXComponent_Callback	Registers callbacks for the surface lifecycle and touch event.
OH_NativeXComponent_MouseEvent_Callback	Registers callbacks for the mouse event.
OH_NativeXComponent_KeyEvent	Provides an encapsulated OH_NativeXComponent_KeyEvent instance.

Enums

Name	Description
{ OH_NATIVEXCOMPONENT_RESULT_SUCCESS = 0, OH_NATIVEXCOMPONENT_RESULT_FAILED = -1, OH_NATIVEXCOMPONENT_RESULT_BAD_PARAMETER = -2 }	Enumerates the API access states.
OH_NativeXComponent_TouchEventType { OH_NATIVEXCOMPONENT_DOWN = 0, OH_NATIVEXCOMPONENT_UP, OH_NATIVEXCOMPONENT_MOVE, OH_NATIVEXCOMPONENT_CANCEL, OH_NATIVEXCOMPONENT_UNKNOWN }	Enumerates the touch event types.
OH_NativeXComponent_TouchPointToolType { OH_NATIVEXCOMPONENT_TOOL_TYPE_UNKNOWN = 0, OH_NATIVEXCOMPONENT_TOOL_TYPE_FINGER, OH_NATIVEXCOMPONENT_TOOL_TYPE_PEN, OH_NATIVEXCOMPONENT_TOOL_TYPE_RUBBER, OH_NATIVEXCOMPONENT_TOOL_TYPE_BRUSH, OH_NATIVEXCOMPONENT_TOOL_TYPE_PENCIL, OH_NATIVEXCOMPONENT_TOOL_TYPE_AIRBRUSH, OH_NATIVEXCOMPONENT_TOOL_TYPE_MOUSE, OH_NATIVEXCOMPONENT_TOOL_TYPE_LENS }	Enumerates the touch point tool types.
OH_NativeXComponent_EventSourceType { OH_NATIVEXCOMPONENT_SOURCE_TYPE_UNKNOWN = 0, OH_NATIVEXCOMPONENT_SOURCE_TYPE_MOUSE, OH_NATIVEXCOMPONENT_SOURCE_TYPE_TOUCHSCREEN, OH_NATIVEXCOMPONENT_SOURCE_TYPE_TOUCHPAD, OH_NATIVEXCOMPONENT_SOURCE_TYPE_JOYSTICK, OH_NATIVEXCOMPONENT_SOURCE_TYPE_KEYBOARD }	Enumerates the touch event source types.
OH_NativeXComponent_MouseEventAction { OH_NATIVEXCOMPONENT_MOUSE_NONE = 0, OH_NATIVEXCOMPONENT_MOUSE_PRESS, OH_NATIVEXCOMPONENT_MOUSE_RELEASE, OH_NATIVEXCOMPONENT_MOUSE_MOVE }	Enumerates the mouse event actions.
OH_NativeXComponent_MouseEventButton { OH_NATIVEXCOMPONENT_NONE_BUTTON = 0, OH_NATIVEXCOMPONENT_LEFT_BUTTON = 0x01, OH_NATIVEXCOMPONENT_RIGHT_BUTTON = 0x02, OH_NATIVEXCOMPONENT_MIDDLE_BUTTON = 0x04, OH_NATIVEXCOMPONENT_BACK_BUTTON = 0x08, OH_NATIVEXCOMPONENT_FORWARD_BUTTON = 0x10 }	Enumerates the mouse event buttons.
OH_NativeXComponent_KeyCode { KEY_UNKNOWN = -1, KEY_FN = 0, KEY_HOME = 1, KEY_BACK = 2,KEY_MEDIA_PLAY_PAUSE = 10, KEY_MEDIA_STOP = 11, KEY_MEDIA_NEXT = 12, KEY_MEDIA_PREVIOUS = 13, KEY_MEDIA_REWIND = 14, KEY_MEDIA_FAST_FORWARD = 15, KEY_VOLUME_UP = 16, KEY_VOLUME_DOWN = 17, KEY_POWER = 18, KEY_CAMERA = 19, KEY_VOLUME_MUTE = 22, KEY_MUTE = 23,KEY_BRIGHTNESS_UP = 40, KEY_BRIGHTNESS_DOWN = 41, KEY_0 = 2000, KEY_1 = 2001, KEY_2 = 2002, KEY_3 = 2003, KEY_4 = 2004, KEY_5 = 2005, KEY_6 = 2006, KEY_7 = 2007, KEY_8 = 2008, KEY_9 = 2009, KEY_STAR = 2010, KEY_POUND = 2011, KEY_DPAD_UP = 2012, KEY_DPAD_DOWN = 2013,KEY_DPAD_LEFT = 2014, KEY_DPAD_RIGHT = 2015, KEY_DPAD_CENTER = 2016, KEY_A = 2017, KEY_B = 2018, KEY_C = 2019, KEY_D = 2020, KEY_E = 2021, KEY_F = 2022, KEY_G = 2023, KEY_H = 2024, KEY_I = 2025, KEY_J = 2026, KEY_K = 2027, KEY_L = 2028, KEY_M = 2029, KEY_N = 2030, KEY_O = 2031, KEY_P = 2032, KEY_Q = 2033, KEY_R = 2034, KEY_S = 2035, KEY_T = 2036, KEY_U = 2037, KEY_V = 2038, KEY_W = 2039, KEY_X = 2040, KEY_Y = 2041, KEY_Z = 2042, KEY_COMMA = 2043, KEY_PERIOD = 2044, KEY_ALT_LEFT = 2045, KEY_ALT_RIGHT = 2046, KEY_SHIFT_LEFT = 2047, KEY_SHIFT_RIGHT = 2048, KEY_TAB = 2049, KEY_SPACE = 2050, KEY_SYM = 2051, KEY_EXPLORER = 2052, KEY_ENVELOPE = 2053, KEY_ENTER = 2054, KEY_DEL = 2055, KEY_GRAVE = 2056, KEY_MINUS = 2057, KEY_EQUALS = 2058, KEY_LEFT_BRACKET = 2059, KEY_RIGHT_BRACKET = 2060, KEY_BACKSLASH = 2061, KEY_SEMICOLON = 2062, KEY_APOSTROPHE = 2063, KEY_SLASH = 2064, KEY_AT = 2065, KEY_PLUS = 2066, KEY_MENU = 2067, KEY_PAGE_UP = 2068, KEY_PAGE_DOWN = 2069, KEY_ESCAPE = 2070, KEY_FORWARD_DEL = 2071, KEY_CTRL_LEFT = 2072, KEY_CTRL_RIGHT = 2073, KEY_CAPS_LOCK = 2074, KEY_SCROLL_LOCK = 2075, KEY_META_LEFT = 2076, KEY_META_RIGHT = 2077, KEY_FUNCTION = 2078, KEY_SYSRQ = 2079, KEY_BREAK = 2080, KEY_MOVE_HOME = 2081, KEY_MOVE_END = 2082, KEY_INSERT = 2083, KEY_FORWARD = 2084, KEY_MEDIA_PLAY = 2085, KEY_MEDIA_PAUSE = 2086, KEY_MEDIA_CLOSE = 2087, KEY_MEDIA_EJECT = 2088, KEY_MEDIA_RECORD = 2089, KEY_F1 = 2090, KEY_F2 = 2091, KEY_F3 = 2092, KEY_F4 = 2093, KEY_F5 = 2094, KEY_F6 = 2095, KEY_F7 = 2096, KEY_F8 = 2097, KEY_F9 = 2098, KEY_F10 = 2099, KEY_F11 = 2100, KEY_F12 = 2101, KEY_NUM_LOCK = 2102, KEY_NUMPAD_0 = 2103, KEY_NUMPAD_1 = 2104, KEY_NUMPAD_2 = 2105, KEY_NUMPAD_3 = 2106, KEY_NUMPAD_4 = 2107, KEY_NUMPAD_5 = 2108, KEY_NUMPAD_6 = 2109, KEY_NUMPAD_7 = 2110, KEY_NUMPAD_8 = 2111, KEY_NUMPAD_9 = 2112, KEY_NUMPAD_DIVIDE = 2113, KEY_NUMPAD_MULTIPLY = 2114, KEY_NUMPAD_SUBTRACT = 2115, KEY_NUMPAD_ADD = 2116, KEY_NUMPAD_DOT = 2117, KEY_NUMPAD_COMMA = 2118, KEY_NUMPAD_ENTER = 2119, KEY_NUMPAD_EQUALS = 2120, KEY_NUMPAD_LEFT_PAREN = 2121, KEY_NUMPAD_RIGHT_PAREN = 2122, KEY_VIRTUAL_MULTITASK = 2210, KEY_SLEEP = 2600, KEY_ZENKAKU_HANKAKU = 2601, KEY_102ND = 2602, KEY_RO = 2603, KEY_KATAKANA = 2604, KEY_HIRAGANA = 2605, KEY_HENKAN = 2606, KEY_KATAKANA_HIRAGANA = 2607, KEY_MUHENKAN = 2608, KEY_LINEFEED = 2609, KEY_MACRO = 2610, KEY_NUMPAD_PLUSMINUS = 2611, KEY_SCALE = 2612, KEY_HANGUEL = 2613, KEY_HANJA = 2614, KEY_YEN = 2615, KEY_STOP = 2616, KEY_AGAIN = 2617, KEY_PROPS = 2618, KEY_UNDO = 2619, KEY_COPY = 2620, KEY_OPEN = 2621, KEY_PASTE = 2622, KEY_FIND = 2623, KEY_CUT = 2624, KEY_HELP = 2625, KEY_CALC = 2626, KEY_FILE = 2627, KEY_BOOKMARKS = 2628, KEY_NEXT = 2629, KEY_PLAYPAUSE = 2630, KEY_PREVIOUS = 2631, KEY_STOPCD = 2632, KEY_CONFIG = 2634, KEY_REFRESH = 2635, KEY_EXIT = 2636, KEY_EDIT = 2637, KEY_SCROLLUP = 2638, KEY_SCROLLDOWN = 2639, KEY_NEW = 2640, KEY_REDO = 2641, KEY_CLOSE = 2642, KEY_PLAY = 2643, KEY_BASSBOOST = 2644, KEY_PRINT = 2645, KEY_CHAT = 2646, KEY_FINANCE = 2647, KEY_CANCEL = 2648, KEY_KBDILLUM_TOGGLE = 2649, KEY_KBDILLUM_DOWN = 2650, KEY_KBDILLUM_UP = 2651, KEY_SEND = 2652, KEY_REPLY = 2653, KEY_FORWARDMAIL = 2654, KEY_SAVE = 2655, KEY_DOCUMENTS = 2656, KEY_VIDEO_NEXT = 2657, KEY_VIDEO_PREV = 2658, KEY_BRIGHTNESS_CYCLE = 2659, KEY_BRIGHTNESS_ZERO = 2660, KEY_DISPLAY_OFF = 2661, KEY_BTN_MISC = 2662, KEY_GOTO = 2663, KEY_INFO = 2664, KEY_PROGRAM = 2665, KEY_PVR = 2666, KEY_SUBTITLE = 2667, KEY_FULL_SCREEN = 2668, KEY_KEYBOARD = 2669, KEY_ASPECT_RATIO = 2670, KEY_PC = 2671, KEY_TV = 2672, KEY_TV2 = 2673, KEY_VCR = 2674, KEY_VCR2 = 2675, KEY_SAT = 2676, KEY_CD = 2677, KEY_TAPE = 2678, KEY_TUNER = 2679, KEY_PLAYER = 2680, KEY_DVD = 2681, KEY_AUDIO = 2682, KEY_VIDEO = 2683, KEY_MEMO = 2684, KEY_CALENDAR = 2685, KEY_RED = 2686, KEY_GREEN = 2687, KEY_YELLOW = 2688, KEY_BLUE = 2689, KEY_CHANNELUP = 2690, KEY_CHANNELDOWN = 2691, KEY_LAST = 2692, KEY_RESTART = 2693, KEY_SLOW = 2694, KEY_SHUFFLE = 2695, KEY_VIDEOPHONE = 2696, KEY_GAMES = 2697, KEY_ZOOMIN = 2698, KEY_ZOOMOUT = 2699, KEY_ZOOMRESET = 2700, KEY_WORDPROCESSOR = 2701, KEY_EDITOR = 2702, KEY_SPREADSHEET = 2703, KEY_GRAPHICSEDITOR = 2704, KEY_PRESENTATION = 2705, KEY_DATABASE = 2706, KEY_NEWS = 2707, KEY_VOICEMAIL = 2708, KEY_ADDRESSBOOK = 2709, KEY_MESSENGER = 2710, KEY_BRIGHTNESS_TOGGLE = 2711, KEY_SPELLCHECK = 2712, KEY_COFFEE = 2713, KEY_MEDIA_REPEAT = 2714, KEY_IMAGES = 2715, KEY_BUTTONCONFIG = 2716, KEY_TASKMANAGER = 2717, KEY_JOURNAL = 2718, KEY_CONTROLPANEL = 2719, KEY_APPSELECT = 2720, KEY_SCREENSAVER = 2721, KEY_ASSISTANT = 2722, KEY_KBD_LAYOUT_NEXT = 2723, KEY_BRIGHTNESS_MIN = 2724, KEY_BRIGHTNESS_MAX = 2725, KEY_KBDINPUTASSIST_PREV = 2726, KEY_KBDINPUTASSIST_NEXT = 2727, KEY_KBDINPUTASSIST_PREVGROUP = 2728, KEY_KBDINPUTASSIST_NEXTGROUP = 2729, KEY_KBDINPUTASSIST_ACCEPT = 2730, KEY_KBDINPUTASSIST_CANCEL = 2731, KEY_FRONT = 2800, KEY_SETUP = 2801, KEY_WAKEUP = 2802, KEY_SENDFILE = 2803, KEY_DELETEFILE = 2804, KEY_XFER = 2805, KEY_PROG1 = 2806, KEY_PROG2 = 2807, KEY_MSDOS = 2808, KEY_SCREENLOCK = 2809, KEY_DIRECTION_ROTATE_DISPLAY = 2810, KEY_CYCLEWINDOWS = 2811, KEY_COMPUTER = 2812, KEY_EJECTCLOSECD = 2813, KEY_ISO = 2814, KEY_MOVE = 2815, KEY_F13 = 2816, KEY_F14 = 2817, KEY_F15 = 2818, KEY_F16 = 2819, KEY_F17 = 2820, KEY_F18 = 2821, KEY_F19 = 2822, KEY_F20 = 2823, KEY_F21 = 2824, KEY_F22 = 2825, KEY_F23 = 2826, KEY_F24 = 2827, KEY_PROG3 = 2828, KEY_PROG4 = 2829, KEY_DASHBOARD = 2830, KEY_SUSPEND = 2831, KEY_HP = 2832, KEY_SOUND = 2833, KEY_QUESTION = 2834, KEY_CONNECT = 2836, KEY_SPORT = 2837, KEY_SHOP = 2838, KEY_ALTERASE = 2839, KEY_SWITCHVIDEOMODE = 2841, KEY_BATTERY = 2842, KEY_BLUETOOTH = 2843, KEY_WLAN = 2844, KEY_UWB = 2845, KEY_WWAN_WIMAX = 2846, KEY_RFKILL = 2847, KEY_CHANNEL = 3001, KEY_BTN_0 = 3100, KEY_BTN_1 = 3101, KEY_BTN_2 = 3102, KEY_BTN_3 = 3103, KEY_BTN_4 = 3104, KEY_BTN_5 = 3105, KEY_BTN_6 = 3106, KEY_BTN_7 = 3107, KEY_BTN_8 = 3108, KEY_BTN_9 = 3109 }	Enumerates the mouse event key codes.
OH_NativeXComponent_KeyAction { OH_NATIVEXCOMPONENT_KEY_ACTION_UNKNOWN = -1, OH_NATIVEXCOMPONENT_KEY_ACTION_DOWN = 0, OH_NATIVEXCOMPONENT_KEY_ACTION_UP }	Enumerates the key event actions.

Functions

Name	Description
OH_NativeXComponent_GetXComponentId (OH_NativeXComponent *component, char *id, uint64_t *size)	Obtains the ID of the ArkUI XComponent.
OH_NativeXComponent_GetXComponentSize (OH_NativeXComponent *component, const void *window, uint64_t *width, uint64_t *height)	Obtains the size of the surface held by the ArkUI XComponent.
OH_NativeXComponent_GetXComponentOffset (OH_NativeXComponent *component, const void *window, double *x, double *y)	Obtains the offset of the surface held by the XComponent relative to the upper left corner of its parent component.
OH_NativeXComponent_GetTouchEvent (OH_NativeXComponent *component, const void *window, OH_NativeXComponent_TouchEvent *touchEvent)	Obtains the touch event scheduled by the ArkUI XComponent.
OH_NativeXComponent_GetTouchPointToolType (OH_NativeXComponent *component, uint32_t pointIndex, OH_NativeXComponent_TouchPointToolType *toolType)	Obtains the ArkUI XComponent touch point tool type.
OH_NativeXComponent_GetTouchPointTiltX (OH_NativeXComponent *component, uint32_t pointIndex, float *tiltX)	Obtains the angle between the Y-Z plane of the ArkUI XComponent touch point and the x-axis.
OH_NativeXComponent_GetTouchPointTiltY (OH_NativeXComponent *component, uint32_t pointIndex, float *tiltY)	Obtains the angle between the X-Z plane of the ArkUI XComponent touch point and the y-axis.
OH_NativeXComponent_GetMouseEvent (OH_NativeXComponent *component, const void *window, OH_NativeXComponent_MouseEvent *mouseEvent)	Obtains the mouse event scheduled by ArkUI XComponent.
OH_NativeXComponent_RegisterCallback (OH_NativeXComponent *component, OH_NativeXComponent_Callback *callback)	Registers a callback for this OH_NativeXComponent instance.
OH_NativeXComponent_RegisterMouseEventCallback (OH_NativeXComponent *component, OH_NativeXComponent_MouseEvent_Callback *callback)	Registers the mouse event callback for this OH_NativeXComponent instance.
OH_NativeXComponent_RegisterFocusEventCallback (OH_NativeXComponent *component, void(*callback)(OH_NativeXComponent *component, void *window))	Registers the focus obtaining event callback for this OH_NativeXComponent instance.
OH_NativeXComponent_RegisterKeyEventCallback (OH_NativeXComponent *component, void(*callback)(OH_NativeXComponent *component, void *window))	Registers the key event callback for this OH_NativeXComponent instance.
OH_NativeXComponent_RegisterBlurEventCallback (OH_NativeXComponent *component, void(*callback)(OH_NativeXComponent *component, void *window))	Registers the focus loss event callback for this OH_NativeXComponent instance.
OH_NativeXComponent_GetKeyEvent (OH_NativeXComponent *component, OH_NativeXComponent_KeyEvent **keyEvent)	Obtains the key event scheduled by the ArkUI XComponent.
OH_NativeXComponent_GetKeyEventAction (OH_NativeXComponent_KeyEvent *keyEvent, OH_NativeXComponent_KeyAction *action)	Obtains the action of the specified key event.
OH_NativeXComponent_GetKeyEventCode (OH_NativeXComponent_KeyEvent *keyEvent, OH_NativeXComponent_KeyCode *code)	Obtains the key code of the specified key event.
OH_NativeXComponent_GetKeyEventSourceType (OH_NativeXComponent_KeyEvent *keyEvent, OH_NativeXComponent_EventSourceType *sourceType)	Obtains the source type of the specified key event.
OH_NativeXComponent_GetKeyEventDeviceId (OH_NativeXComponent_KeyEvent *keyEvent, int64_t *deviceId)	Obtains the device ID of the specified key event.
OH_NativeXComponent_GetKeyEventTimeStamp (OH_NativeXComponent_KeyEvent *keyEvent, int64_t *timeStamp)	Obtains the timestamp of the specified key event.
OH_NativeXComponent_SetExpectedFrameRateRange (OH_NativeXComponent *component, OH_NativeXComponent_ExpectedRateRange *range)	Sets the expected frame rate range.
OH_NativeXComponent_RegisterOnFrameCallback (OH_NativeXComponent *component, void(*callback)(OH_NativeXComponent *component, uint64_t timestamp, uint64_t targetTimestamp))	Registers the display update callback for this OH_NativeXComponent instance and enables the callback for each frame.
OH_NativeXComponent_UnregisterOnFrameCallback (OH_NativeXComponent *component)	Deregisters the display update callback for this OH_NativeXComponent instance and disables the callback for each frame.
int32_t OH_NativeXComponent_AttachNativeRootNode (OH_NativeXComponent *component, ArkUI_NodeHandle root)	Attaches the UI component created through the native API of ArkUI to this OH_NativeXComponent instance.
int32_t OH_NativeXComponent_DetachNativeRootNode (OH_NativeXComponent *component, ArkUI_NodeHandle root)	Detaches the native component of ArkUI from this OH_NativeXComponent instance.
int32_t OH_NativeXComponent_RegisterUIInputEventCallback (OH_NativeXComponent *component, void(*callback)(OH_NativeXComponent *component, ArkUI_UIInputEvent *event, ArkUI_UIInputEvent_Type type), ArkUI_UIInputEvent_Type type)	Registers a UI input event callback for an OH_NativeXComponent instance and enables the callback to be invoked when a UI input event is received.
int32_t OH_NativeXComponent_RegisterOnTouchInterceptCallback (OH_NativeXComponent *component, HitTestMode(*callback)(OH_NativeXComponent *component, ArkUI_UIInputEvent *event))	Registers a custom event intercept callback for an OH_NativeXComponent and enables the callback during the hit test.
int32_t OH_NativeXComponent_SetNeedSoftKeyboard (OH_NativeXComponent *component, bool isNeedSoftKeyboard)	Sets whether the soft keyboard is required for an OH_NativeXComponent instance.
int32_t OH_NativeXComponent_RegisterSurfaceShowCallback (OH_NativeXComponent *component, void(*callback)(OH_NativeXComponent *component, void *window))	Registers a surface display callback for an OH_NativeXComponent instance. The callback is invoked whenever the application is switched to the foreground.
int32_t OH_NativeXComponent_RegisterSurfaceHideCallback (OH_NativeXComponent *component, void(*callback)(OH_NativeXComponent *component, void *window))	Registers a surface hiding callback for an OH_NativeXComponent instance. The callback is invoked whenever the application is switched to the background.
int32_t OH_NativeXComponent_GetTouchEventSourceType (OH_NativeXComponent *component, int32_t pointId, OH_NativeXComponent_EventSourceType *sourceType)	Obtains the touch event source type of an OH_NativeXComponent instance.
OH_NativeXComponent * OH_NativeXComponent_GetNativeXComponent (ArkUI_NodeHandle node)	Obtains the pointer to an OH_NativeXComponent instance based on the specified component instance created by the native API.
int32_t OH_NativeXComponent_GetNativeAccessibilityProvider(OH_NativeXComponent* component, ArkUI_AccessibilityProvider** handle);

Variables

Name	Description
OH_XCOMPONENT_ID_LEN_MAX = 128	Maximum length of the ArkUI XComponent ID.
OH_MAX_TOUCH_POINTS_NUMBER = 10	Maximum number of identifiable touch points in a touch event.
OH_NativeXComponent_TouchPoint::id = 0	Unique identifier of the finger.
OH_NativeXComponent_TouchPoint::screenX = 0.0	X coordinate of the touch point relative to the upper left corner of the application window where the XComponent is located.
OH_NativeXComponent_TouchPoint::screenY = 0.0	Y coordinate of the touch point relative to the upper left corner of the application window where the XComponent is located.
OH_NativeXComponent_TouchPoint::x = 0.0	X coordinate of the touch point relative to the left edge of the XComponent.
OH_NativeXComponent_TouchPoint::y = 0.0	Y coordinate of the touch point relative to the upper edge of the XComponent.
OH_NativeXComponent_TouchPoint::type = OH_NativeXComponent_TouchEventType::OH_NATIVEXCOMPONENT_UNKNOWN	Touch type of the touch event.
OH_NativeXComponent_TouchPoint::size = 0.0	Contact area between the finger pad and the screen.
OH_NativeXComponent_TouchPoint::force = 0.0	Pressure of the touch event.
OH_NativeXComponent_TouchPoint::timeStamp = 0	Timestamp of the touch point.
OH_NativeXComponent_TouchPoint::isPressed = false	Whether the current point is pressed.
OH_NativeXComponent_TouchEvent::id = 0	Unique identifier of the finger.
OH_NativeXComponent_TouchEvent::screenX = 0.0	X coordinate of the touch point relative to the left edge of the screen.
OH_NativeXComponent_TouchEvent::screenY = 0.0	Y coordinate of the touch point relative to the upper edge of the screen.
OH_NativeXComponent_TouchEvent::x = 0.0	X coordinate of the touch point relative to the left edge of the XComponent.
OH_NativeXComponent_TouchEvent::y = 0.0	Y coordinate of the touch point relative to the upper edge of the XComponent.
OH_NativeXComponent_TouchEvent::type = OH_NativeXComponent_TouchEventType::OH_NATIVEXCOMPONENT_UNKNOWN	Touch type of the touch event.
OH_NativeXComponent_TouchEvent::size = 0.0	Contact area between the finger pad and the screen.
OH_NativeXComponent_TouchEvent::force = 0.0	Pressure of the touch event.
OH_NativeXComponent_TouchEvent::deviceId = 0	ID of the device where the current touch event is triggered.
OH_NativeXComponent_TouchEvent::timeStamp = 0	Timestamp of the touch event.
OH_NativeXComponent_TouchEvent::touchPoints [OH_MAX_TOUCH_POINTS_NUMBER]	Array of the touch points.
OH_NativeXComponent_TouchEvent::numPoints = 0	Number of current touch points.
OH_NativeXComponent_MouseEvent::x = 0.0	X coordinate of the clicked point relative to the upper left corner of the component.
OH_NativeXComponent_MouseEvent::y= 0.0	Y coordinate of the clicked point relative to the upper left corner of the component.
OH_NativeXComponent_MouseEvent::screenX= 0.0	X coordinate of the clicked point relative to the upper left corner of the screen.
OH_NativeXComponent_MouseEvent::screenY= 0.0	Y coordinate of the clicked point relative to the upper left corner of the screen.
OH_NativeXComponent_MouseEvent::timestamp= 0	Timestamp of the mouse event.
OH_NativeXComponent_MouseEvent::action= OH_NativeXComponent_MouseEventAction::OH_NATIVEXCOMPONENT_MOUSE_NONE	Action of the mouse event.
OH_NativeXComponent_MouseEvent::button= OH_NativeXComponent_MouseEventButton::OH_NATIVEXCOMPONENT_NONE_BUTTON	Enumerates the mouse event buttons.
OH_NativeXComponent_Callback::OnSurfaceCreated	Invoked when a surface is created.
OH_NativeXComponent_Callback::OnSurfaceChanged	Invoked when the surface changes.
OH_NativeXComponent_Callback::OnSurfaceDestroyed	Invoked when the surface is destroyed.
OH_NativeXComponent_Callback::DispatchTouchEvent	Invoked when a touch event is triggered.
OH_NativeXComponent_MouseEvent_Callback::DispatchMouseEvent	Invoked when a mouse event is triggered.
OH_NativeXComponent_MouseEvent_Callback::DispatchHoverEvent	Invoked when a hover event is triggered.

Type Description

OH_NativeXComponent

typedef struct OH_NativeXComponent OH_NativeXComponent

Description

Provides an encapsulated OH_NativeXComponent instance.

Since

8

OH_NativeXComponent_Callback

typedef struct OH_NativeXComponent_Callback OH_NativeXComponent_Callback

Description

Registers callbacks for the surface lifecycle and touch event.

Since

8

OH_NativeXComponent_KeyEvent

typedef struct OH_NativeXComponent_KeyEvent OH_NativeXComponent_KeyEvent

Description

Provides an encapsulated OH_NativeXComponent_KeyEvent instance.

Since

10

OH_NativeXComponent_MouseEvent_Callback

typedef struct OH_NativeXComponent_MouseEvent_Callback OH_NativeXComponent_MouseEvent_Callback

Description

Registers callbacks for the mouse event.

Since

9

Enum Description

anonymous enum

anonymous enum

Description

Enumerates the API access states.

Value	Description
OH_NATIVEXCOMPONENT_RESULT_SUCCESS	Success.
OH_NATIVEXCOMPONENT_RESULT_FAILED	Failure.
OH_NATIVEXCOMPONENT_RESULT_BAD_PARAMETER	Invalid parameter.

Since

8

OH_NativeXComponent_EventSourceType

enum OH_NativeXComponent_EventSourceType

Description

Enumerates the touch event source types.

Value	Description
OH_NATIVEXCOMPONENT_SOURCE_TYPE_UNKNOWN	Unknown source type.
OH_NATIVEXCOMPONENT_SOURCE_TYPE_MOUSE	Source that generates a mouse multi-click event.
OH_NATIVEXCOMPONENT_SOURCE_TYPE_TOUCHSCREEN	Source that generates a touchscreen multi-touch event.
OH_NATIVEXCOMPONENT_SOURCE_TYPE_TOUCHPAD	Source that generates a touchpad multi-touch event.
OH_NATIVEXCOMPONENT_SOURCE_TYPE_JOYSTICK	Source that generates a joystick multi-touch event.
OH_NATIVEXCOMPONENT_SOURCE_TYPE_KEYBOARD10+	Source that generates a key event.

Since

9

OH_NativeXComponent_KeyAction

enum OH_NativeXComponent_KeyAction

Description

Enumerates the key event actions.

Value	Description
OH_NATIVEXCOMPONENT_KEY_ACTION_UNKNOWN	Unknown key event action.
OH_NATIVEXCOMPONENT_KEY_ACTION_DOWN	Button press.
OH_NATIVEXCOMPONENT_KEY_ACTION_UP	Button release.

Since

10

OH_NativeXComponent_KeyCode

enum OH_NativeXComponent_KeyCode

Description

Enumerates the mouse event key codes.

Value	Description
KEY_UNKNOWN	Unknown key.
KEY_FN	Function (Fn) key.
KEY_HOME	Function (Home) key.
KEY_BACK	Back key.
KEY_MEDIA_PLAY_PAUSE	Multimedia key - play/pause.
KEY_MEDIA_STOP	Multimedia key - stop.
KEY_MEDIA_NEXT	Multimedia key - next song.
KEY_MEDIA_PREVIOUS	Multimedia key - previous song.
KEY_MEDIA_REWIND	Multimedia key - rewind.
KEY_MEDIA_FAST_FORWARD	Multimedia key - fast-forward.
KEY_VOLUME_UP	Volume Up key.
KEY_VOLUME_DOWN	Volume Down key.
KEY_POWER	Power key.
KEY_CAMERA	Camera key.
KEY_VOLUME_MUTE	Speaker Mute key.
KEY_MUTE	Microphone Mute key.
KEY_BRIGHTNESS_UP	Brightness key - turn up.
KEY_BRIGHTNESS_DOWN	Brightness key - turn down.
KEY_0	Key 0.
KEY_1	Key 1.
KEY_2	Key 2.
KEY_3	Key 3.
KEY_4	Key 4.
KEY_5	Key 5.
KEY_6	Key 6.
KEY_7	Key 7.
KEY_8	Key 8.
KEY_9	Key 9.
KEY_STAR	Key *.
KEY_POUND	Key #.
KEY_DPAD_UP	Navigation key - up.
KEY_DPAD_DOWN	Navigation key - down.
KEY_DPAD_LEFT	Navigation key - left.
KEY_DPAD_RIGHT	Navigation key - right.
KEY_DPAD_CENTER	Navigation key - OK.
KEY_A	Key A.
KEY_B	Key B.
KEY_C	Key C.
KEY_D	Key D.
KEY_E	Key E.
KEY_F	Key F.
KEY_G	Key G.
KEY_H	Key H.
KEY_I	Key I.
KEY_J	Key J.
KEY_K	Key K.
KEY_L	Key L.
KEY_M	Key M.
KEY_N	Key N.
KEY_O	Key O.
KEY_P	Key P.
KEY_Q	Key Q.
KEY_R	Key R.
KEY_S	Key S.
KEY_T	Key T.
KEY_U	Key U.
KEY_V	Key V.
KEY_W	Key W.
KEY_X	Key X.
KEY_Y	Key Y.
KEY_Z	Key Z.
KEY_COMMA	Key ,.
KEY_PERIOD	Key ..
KEY_ALT_LEFT	Left Alt key.
KEY_ALT_RIGHT	Right Alt key.
KEY_SHIFT_LEFT	Left Shift key.
KEY_SHIFT_RIGHT	Right Shift key.
KEY_TAB	Tab key.
KEY_SPACE	Space key.
KEY_SYM	Symbol key.
KEY_EXPLORER	Explorer key, which is used to start the explorer application.
KEY_ENVELOPE	Email key, which is used to start the email application.
KEY_ENTER	Enter key.
KEY_DEL	Delete key.
KEY_GRAVE	Key `.
KEY_MINUS	Key -.
KEY_EQUALS	Key =.
KEY_LEFT_BRACKET	Key [.
KEY_RIGHT_BRACKET	Key ].
KEY_BACKSLASH	Key ****.
KEY_SEMICOLON	Key ;.
KEY_APOSTROPHE	Key '.
KEY_SLASH	Key /.
KEY_AT	Key @.
KEY_PLUS	Key +.
KEY_MENU	Menu key.
KEY_PAGE_UP	Page Up key.
KEY_PAGE_DOWN	Page Down key.
KEY_ESCAPE	ESC key.
KEY_FORWARD_DEL	Delete key.
KEY_CTRL_LEFT	Left Ctrl key.
KEY_CTRL_RIGHT	Right Ctrl key.
KEY_CAPS_LOCK	Caps Lock key.
KEY_SCROLL_LOCK	Scroll Lock key.
KEY_META_LEFT	Left Meta key.
KEY_META_RIGHT	Right Meta key.
KEY_FUNCTION	Function key.
KEY_SYSRQ	System Request/Print Screen key.
KEY_BREAK	Break/Pause key.
KEY_MOVE_HOME	Move to Home key.
KEY_MOVE_END	Move to End key.
KEY_INSERT	Insert key.
KEY_FORWARD	Forward key.
KEY_MEDIA_PLAY	Multimedia key - play.
KEY_MEDIA_PAUSE	Multimedia key - pause.
KEY_MEDIA_CLOSE	Multimedia key - close.
KEY_MEDIA_EJECT	Multimedia key - eject.
KEY_MEDIA_RECORD	Multimedia key - record.
KEY_F1	F1 key.
KEY_F2	F2 key.
KEY_F3	F3 key.
KEY_F4	F4 key.
KEY_F5	F5 key.
KEY_F6	F6 key.
KEY_F7	F7 key.
KEY_F8	F8 key.
KEY_F9	F9 key.
KEY_F10	F10 key.
KEY_F11	F11 key.
KEY_F12	F12 key.
KEY_NUM_LOCK	Number Lock key.
KEY_NUMPAD_0	Key 0 on numeric keypad.
KEY_NUMPAD_1	Key 1 on numeric keypad.
KEY_NUMPAD_2	Key 2 on numeric keypad.
KEY_NUMPAD_3	Key 3 on numeric keypad.
KEY_NUMPAD_4	Key 4 on numeric keypad.
KEY_NUMPAD_5	Key 5 on numeric keypad.
KEY_NUMPAD_6	Key 6 on numeric keypad.
KEY_NUMPAD_7	Key 7 on numeric keypad.
KEY_NUMPAD_8	Key 8 on numeric keypad.
KEY_NUMPAD_9	Key 9 on numeric keypad.
KEY_NUMPAD_DIVIDE	Key / on numeric keypad.
KEY_NUMPAD_MULTIPLY	Key ***** on numeric keypad.
KEY_NUMPAD_SUBTRACT	Key - on numeric keypad.
KEY_NUMPAD_ADD	Key + on numeric keypad.
KEY_NUMPAD_DOT	Key . on numeric keypad.
KEY_NUMPAD_COMMA	Key , on numeric keypad.
KEY_NUMPAD_ENTER	Enter key on numeric keypad.
KEY_NUMPAD_EQUALS	Key = on numeric keypad.
KEY_NUMPAD_LEFT_PAREN	Key ( on numeric keypad.
KEY_NUMPAD_RIGHT_PAREN	Key ) on numeric keypad.
KEY_VIRTUAL_MULTITASK	Multi-task key.
KEY_SLEEP	Sleep key.
KEY_ZENKAKU_HANKAKU	Zenkaku/Hankaku key.
KEY_102ND	102nd key.
KEY_RO	Ro key.
KEY_KATAKANA	Katakana key.
KEY_HIRAGANA	Hiragana key.
KEY_HENKAN	Henkan key.
KEY_KATAKANA_HIRAGANA	Katakana/Hiragana key.
KEY_MUHENKAN	Muhenkan key.
KEY_LINEFEED	Linefeed key.
KEY_MACRO	Macro key.
KEY_NUMPAD_PLUSMINUS	Plus/Minus key on the numeric keypad.
KEY_SCALE	Scale key.
KEY_HANGUEL	Hanguel key.
KEY_HANJA	Hanja key.
KEY_YEN	Yen key.
KEY_STOP	Stop key.
KEY_AGAIN	Again key.
KEY_PROPS	Props key.
KEY_UNDO	Undo key.
KEY_COPY	Copy key.
KEY_OPEN	Open key.
KEY_PASTE	Paste key.
KEY_FIND	Find key.
KEY_CUT	Cut key.
KEY_HELP	Help key.
KEY_CALC	Calc key, which is used to start the calculator application.
KEY_FILE	File key.
KEY_BOOKMARKS	Bookmarks key.
KEY_NEXT	Next key.
KEY_PLAYPAUSE	Play/Pause key.
KEY_PREVIOUS	Previous key.
KEY_STOPCD	Stop CD key.
KEY_CONFIG	Config key.
KEY_REFRESH	Refresh key.
KEY_EXIT	Exit key.
KEY_EDIT	Edit key.
KEY_SCROLLUP	Scroll Up key.
KEY_SCROLLDOWN	Scroll Down key.
KEY_NEW	New key.
KEY_REDO	Redo key.
KEY_CLOSE	Close key.
KEY_PLAY	Play key.
KEY_BASSBOOST	Bass Boost key.
KEY_PRINT	Print key.
KEY_CHAT	Chat key.
KEY_FINANCE	Finance key.
KEY_CANCEL	Cancel key.
KEY_KBDILLUM_TOGGLE	Keyboard Illumination Toggle key.
KEY_KBDILLUM_DOWN	Keyboard Illumination Up key.
KEY_KBDILLUM_UP	Keyboard Illumination Down key.
KEY_SEND	Send key.
KEY_REPLY	Reply key.
KEY_FORWARDMAIL	Forward Mail key.
KEY_SAVE	Save key.
KEY_DOCUMENTS	Documents key.
KEY_VIDEO_NEXT	Next Video key.
KEY_VIDEO_PREV	Previous Video key.
KEY_BRIGHTNESS_CYCLE	Brightness Cycle key.
KEY_BRIGHTNESS_ZERO	Brightness Zero key.
KEY_DISPLAY_OFF	Display Off Key.
KEY_BTN_MISC	Misc Button key.
KEY_GOTO	Goto key.
KEY_INFO	Info key.
KEY_PROGRAM	Program key.
KEY_PVR	PVR key.
KEY_SUBTITLE	Subtitle key.
KEY_FULL_SCREEN	Full Screen key.
KEY_KEYBOARD	Keyboard.
KEY_ASPECT_RATIO	Aspect Ratio key.
KEY_PC	Port Control key.
KEY_TV	TV key.
KEY_TV2	TV key 2.
KEY_VCR	VCR key.
KEY_VCR2	VCR key 2.
KEY_SAT	SAT key.
KEY_CD	CD key.
KEY_TAPE	Tape key.
KEY_TUNER	Tuner key.
KEY_PLAYER	Player key.
KEY_DVD	DVD key.
KEY_AUDIO	Audio key.
KEY_VIDEO	Video key.
KEY_MEMO	Memo key.
KEY_CALENDAR	Calendar key.
KEY_RED	Red indicator.
KEY_GREEN	Green indicator.
KEY_YELLOW	Yellow indicator.
KEY_BLUE	Blue indicator.
KEY_CHANNELUP	Channel Up key.
KEY_CHANNELDOWN	Channel Down key.
KEY_LAST	Last key.
KEY_RESTART	Restart key.
KEY_SLOW	Slow key.
KEY_SHUFFLE	Shuffle key.
KEY_VIDEOPHONE	Videophone key.
KEY_GAMES	Games key.
KEY_ZOOMIN	Zoom in key.
KEY_ZOOMOUT	Zoom out key.
KEY_ZOOMRESET	Zoom Reset key.
KEY_WORDPROCESSOR	Word Processor key.
KEY_EDITOR	Editor key.
KEY_SPREADSHEET	Spreadsheet key.
KEY_GRAPHICSEDITOR	Graphics Editor key.
KEY_PRESENTATION	Presentation key.
KEY_DATABASE	Database key.
KEY_NEWS	News key.
KEY_VOICEMAIL	Voicemail key.
KEY_ADDRESSBOOK	Address book key.
KEY_MESSENGER	Messenger key.
KEY_BRIGHTNESS_TOGGLE	Brightness Toggle key.
KEY_SPELLCHECK	Spell Check key.
KEY_COFFEE	Coffee key, which is used to launch screen lock or screen saver.
KEY_MEDIA_REPEAT	Media Repeat key.
KEY_IMAGES	Images key.
KEY_BUTTONCONFIG	Button Configuration key.
KEY_TASKMANAGER	Task Manager key.
KEY_JOURNAL	Log key.
KEY_CONTROLPANEL	Control Panel key.
KEY_APPSELECT	App Select key.
KEY_SCREENSAVER	Screen Saver key.
KEY_ASSISTANT	Assistant key.
KEY_KBD_LAYOUT_NEXT	Next Keyboard Layout key.
KEY_BRIGHTNESS_MIN	Min Brightness key.
KEY_BRIGHTNESS_MAX	Max Brightness key.
KEY_KBDINPUTASSIST_PREV	Keyboard Input-assisted Previous key.
KEY_KBDINPUTASSIST_NEXT	Keyboard Input-assisted Next key.
KEY_KBDINPUTASSIST_PREVGROUP	Keyboard Input-assisted Previous key.
KEY_KBDINPUTASSIST_NEXTGROUP	Keyboard Input-assisted Next key.
KEY_KBDINPUTASSIST_ACCEPT	Keyboard Input-assisted Accept key.
KEY_KBDINPUTASSIST_CANCEL	Keyboard Input-assisted Cancel key.
KEY_FRONT	Front key, which is used to launch the windshield defogger.
KEY_SETUP	Setup key.
KEY_WAKEUP	Wakeup key.
KEY_SENDFILE	Send File key.
KEY_DELETEFILE	Delete File key.
KEY_XFER	XFER key, which is used to start file transfer.
KEY_PROG1	Program key 1.
KEY_PROG2	Program key 2.
KEY_MSDOS	MS-DOS key.
KEY_SCREENLOCK	Screen Lock key.
KEY_DIRECTION_ROTATE_DISPLAY	Directional Rotation Display key.
KEY_CYCLEWINDOWS	Windows Cycle key.
KEY_COMPUTER	Keys.
KEY_EJECTCLOSECD	Eject CD key.
KEY_ISO	ISO key.
KEY_MOVE	Move key.
KEY_F13	F13 key.
KEY_F14	F14 key.
KEY_F15	F15 key.
KEY_F16	F16 key.
KEY_F17	F17 key.
KEY_F18	F18 key.
KEY_F19	F19 key.
KEY_F20	F20 key.
KEY_F21	F21 key.
KEY_F22	F22 key.
KEY_F23	F23 key.
KEY_F24	F24 key.
KEY_PROG3	Program key 3.
KEY_PROG4	Program key 4.
KEY_DASHBOARD	Dashboard.
KEY_SUSPEND	Suspend key.
KEY_HP	HP key.
KEY_SOUND	Sound key.
KEY_QUESTION	Question key.
KEY_CONNECT	Connect key.
KEY_SPORT	Sport key.
KEY_SHOP	Shop key.
KEY_ALTERASE	Alternate key.
KEY_SWITCHVIDEOMODE	Switch Video Mode key (monitor, LCD, and TV, etc.).
KEY_BATTERY	Battery key.
KEY_BLUETOOTH	Bluetooth key.
KEY_WLAN	WLAN key.
KEY_UWB	Ultra-wideband key.
KEY_WWAN_WIMAX	WWAN WiMAX key.
KEY_RFKILL	RF Kill key.
KEY_CHANNEL	Channel key.
KEY_BTN_0	Button 0.
KEY_BTN_1	Button 1.
KEY_BTN_2	Button 2.
KEY_BTN_3	Button 3.
KEY_BTN_4	Button 4.
KEY_BTN_5	Button 5.
KEY_BTN_6	Button 6.
KEY_BTN_7	Button 7.
KEY_BTN_8	Button 8.
KEY_BTN_9	Button 9.

Since

10

OH_NativeXComponent_MouseEventAction

enum OH_NativeXComponent_MouseEventAction

Description

Enumerates the mouse event actions.

Value	Description
OH_NATIVEXCOMPONENT_MOUSE_NONE	Invalid mouse event.
OH_NATIVEXCOMPONENT_MOUSE_PRESS	Mouse button press.
OH_NATIVEXCOMPONENT_MOUSE_RELEASE	Mouse button release.
OH_NATIVEXCOMPONENT_MOUSE_MOVE	Mouse movement.

Since

9

OH_NativeXComponent_MouseEventButton

enum OH_NativeXComponent_MouseEventButton

Description

Enumerates the mouse event buttons.

Value	Description
OH_NATIVEXCOMPONENT_NONE_BUTTON	No button.
OH_NATIVEXCOMPONENT_LEFT_BUTTON	Left mouse button.
OH_NATIVEXCOMPONENT_RIGHT_BUTTON	Right mouse button.
OH_NATIVEXCOMPONENT_MIDDLE_BUTTON	Middle mouse button.
OH_NATIVEXCOMPONENT_BACK_BUTTON	Back button on the left of the mouse.
OH_NATIVEXCOMPONENT_FORWARD_BUTTON	Forward key on the left of the mouse.

Since

9

OH_NativeXComponent_TouchEventType

enum OH_NativeXComponent_TouchEventType

Description

Enumerates the touch event types.

Value	Description
OH_NATIVEXCOMPONENT_DOWN	The touch event is triggered when a finger is pressed.
OH_NATIVEXCOMPONENT_UP	The touch event is triggered when a finger is lifted.
OH_NATIVEXCOMPONENT_MOVE	The touch event is triggered when a finger is moved on the screen.
OH_NATIVEXCOMPONENT_CANCEL	The event is triggered when a touch event is canceled.
OH_NATIVEXCOMPONENT_UNKNOWN	Invalid touch type.

Since

8

OH_NativeXComponent_TouchPointToolType

enum OH_NativeXComponent_TouchPointToolType

Description

Enumerates the touch point tool types.

Value	Description
OH_NATIVEXCOMPONENT_TOOL_TYPE_UNKNOWN	Unknown tool type.
OH_NATIVEXCOMPONENT_TOOL_TYPE_FINGER	Finger.
OH_NATIVEXCOMPONENT_TOOL_TYPE_PEN	Stylus.
OH_NATIVEXCOMPONENT_TOOL_TYPE_RUBBER	Rubber.
OH_NATIVEXCOMPONENT_TOOL_TYPE_BRUSH	Brush.
OH_NATIVEXCOMPONENT_TOOL_TYPE_PENCIL	Pencil.
OH_NATIVEXCOMPONENT_TOOL_TYPE_AIRBRUSH	Air brush.
OH_NATIVEXCOMPONENT_TOOL_TYPE_MOUSE	Mouse.
OH_NATIVEXCOMPONENT_TOOL_TYPE_LENS	Lens.

Since

9

Function Description

OH_NativeXComponent_AttachNativeRootNode()

int32_t OH_NativeXComponent_AttachNativeRootNode (OH_NativeXComponent * component, ArkUI_NodeHandle root )

Description

Attaches the UI component created through the native API of ArkUI to this OH_NativeXComponent instance.

Since: 12

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
root	Pointer to the component instance created through the native API.

Returns

0: success

401: parameter error

OH_NativeXComponent_DetachNativeRootNode()

int32_t OH_NativeXComponent_DetachNativeRootNode (OH_NativeXComponent * component, ArkUI_NodeHandle root )

Description

Detaches the native component of ArkUI from this OH_NativeXComponent instance.

Since: 12

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
root	Pointer to the component instance created through the native API.

Returns

0: success

401: parameter error

OH_NativeXComponent_GetKeyEvent()

int32_t OH_NativeXComponent_GetKeyEvent (OH_NativeXComponent * component, OH_NativeXComponent_KeyEvent ** keyEvent )

Description

Obtains the key event scheduled by ArkUI XComponent.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
keyEvent	Pointer to the current key event.

Returns

Returns the status code of the execution.

Since

10

OH_NativeXComponent_GetKeyEventAction()

int32_t OH_NativeXComponent_GetKeyEventAction (OH_NativeXComponent_KeyEvent * keyEvent, OH_NativeXComponent_KeyAction * action )

Description

Obtains the action of the specified key event.

Parameters

Name	Description
keyEvent	Pointer to the OH_NativeXComponent_KeyEvent instance.
action	Pointer to the key event action.

Returns

Returns the status code of the execution.

Since

10

OH_NativeXComponent_GetKeyEventCode()

int32_t OH_NativeXComponent_GetKeyEventCode (OH_NativeXComponent_KeyEvent * keyEvent, OH_NativeXComponent_KeyCode * code )

Description

Obtains the key code of the specified key event.

Parameters

Name	Description
keyEvent	Pointer to the OH_NativeXComponent_KeyEvent instance.
code	Pointer to the key code of the key event.

Returns

Returns the status code of the execution.

Since

10

OH_NativeXComponent_GetKeyEventDeviceId()

int32_t OH_NativeXComponent_GetKeyEventDeviceId (OH_NativeXComponent_KeyEvent * keyEvent, int64_t * deviceId )

Description

Obtains the device ID of the specified key event.

Parameters

Name	Description
keyEvent	Pointer to the OH_NativeXComponent_KeyEvent instance.
deviceId	Pointer to the device ID of the key event.

Returns

Returns the status code of the execution.

Since

10

OH_NativeXComponent_GetKeyEventSourceType()

int32_t OH_NativeXComponent_GetKeyEventSourceType (OH_NativeXComponent_KeyEvent * keyEvent, OH_NativeXComponent_EventSourceType * sourceType )

Description

Obtains the source type of the specified key event.

Parameters

Name	Description
keyEvent	Pointer to the OH_NativeXComponent_KeyEvent instance.
sourceType	Pointer to the source type of the key event.

Returns

Returns the status code of the execution.

Since

10

OH_NativeXComponent_GetKeyEventTimeStamp()

int32_t OH_NativeXComponent_GetKeyEventTimeStamp (OH_NativeXComponent_KeyEvent * keyEvent, int64_t * timeStamp )

Description

Obtains the timestamp of the specified key event.

Parameters

Name	Description
keyEvent	Pointer to the OH_NativeXComponent_KeyEvent instance.
timeStamp	Pointer to the timestamp of the key event.

Returns

Returns the status code of the execution.

Since

10

OH_NativeXComponent_GetMouseEvent()

int32_t OH_NativeXComponent_GetMouseEvent (OH_NativeXComponent * component, const void * window, OH_NativeXComponent_MouseEvent * mouseEvent )

Description

Obtains the mouse event scheduled by ArkUI XComponent.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
window	Handle to the NativeWindow instance.
mouseEvent	Pointer to the current mouse event.

Returns

Returns the status code of the execution.

Since

9

OH_NativeXComponent_GetNativeXComponent()

OH_NativeXComponent* OH_NativeXComponent_GetNativeXComponent (ArkUI_NodeHandle node)

Description

Obtains the pointer to an OH_NativeXComponent instance based on the specified component instance created by the native API.

Since: 12

Parameters

Name	Description
node	Pointer to the component instance created through the native API.

Returns

Pointer to the OH_NativeXComponent instance.

OH_NativeXComponent_GetTouchEvent()

int32_t OH_NativeXComponent_GetTouchEvent (OH_NativeXComponent * component, const void * window, OH_NativeXComponent_TouchEvent * touchEvent )

Description

Obtains the touch event scheduled by the ArkUI XComponent.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
window	Handle to the NativeWindow instance.
touchEvent	Pointer to the current touch event.

Returns

Returns the status code of the execution.

Since

8

OH_NativeXComponent_GetTouchPointTiltX()

int32_t OH_NativeXComponent_GetTouchPointTiltX (OH_NativeXComponent * component, uint32_t pointIndex, float * tiltX )

Description

Obtains the angle between the Y-Z plane of the ArkUI XComponent touch point and the x-axis.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
pointIndex	Pointer to the index of the touch point.
tiltX	Pointer to the angle between the Y-Z plane of the touch point and the x-axis.

Returns

Returns the status code of the execution.

Since

9

OH_NativeXComponent_GetTouchPointTiltY()

int32_t OH_NativeXComponent_GetTouchPointTiltY (OH_NativeXComponent * component, uint32_t pointIndex, float * tiltY )

Description

Obtains the angle between the X-Z plane of the ArkUI XComponent touch point and the y-axis.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
pointIndex	Pointer to the index of the touch point.
tiltY	Pointer to the angle between the X-Z plane of the touch point and the y-axis.

Returns

Returns the status code of the execution.

Since

9

OH_NativeXComponent_GetTouchPointWindowX()

int32_t OH_NativeXComponent_GetTouchPointWindowX(OH_NativeXComponent * component, uint32_t pointIndex, float * windowX )

Description

Obtains the X coordinate of the touch point relative to the upper left corner of the application window where the ArkUI XComponent is located.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
pointIndex	Pointer to the index of the touch point.
windowX	Pointer to the X coordinate of the touch point relative to the upper left corner of the application window.

Returns

Returns the status code of the execution.

Since

12

OH_NativeXComponent_GetTouchPointWindowY()

int32_t OH_NativeXComponent_GetTouchPointWindowY(OH_NativeXComponent * component, uint32_t pointIndex, float * windowY )

Description

Obtains the Y coordinate of the touch point relative to the upper left corner of the application window where the ArkUI XComponent is located.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
pointIndex	Pointer to the index of the touch point.
windowY	Pointer to the Y coordinate of the touch point relative to the upper left corner of the application window.

Returns

Returns the status code of the execution.

Since

12

OH_NativeXComponent_GetTouchPointDisplayX()

int32_t OH_NativeXComponent_GetTouchPointDisplayX(OH_NativeXComponent * component, uint32_t pointIndex, float * displayX )

Description

Obtains the X coordinate of the touch point relative to the upper left corner of the screen where the ArkUI XComponent is located.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
pointIndex	Pointer to the index of the touch point.
displayX	Pointer to the X coordinate of the touch point relative to the upper left corner of the screen.

Returns

Returns the status code of the execution.

Since

12

OH_NativeXComponent_GetTouchPointDisplayY()

int32_t OH_NativeXComponent_GetTouchPointDisplayY(OH_NativeXComponent * component, uint32_t pointIndex, float * displayY )

Description

Obtains the Y coordinate of the touch point relative to the upper left corner of the screen where the ArkUI XComponent is located.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
pointIndex	Pointer to the index of the touch point.
displayY	Pointer to the Y coordinate of the touch point relative to the upper left corner of the screen.

Returns

Returns the status code of the execution.

Since

12

OH_NativeXComponent_GetTouchPointToolType()

int32_t OH_NativeXComponent_GetTouchPointToolType (OH_NativeXComponent * component, uint32_t pointIndex, OH_NativeXComponent_TouchPointToolType * toolType )

Description

Obtains the ArkUI XComponent touch point tool type.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
pointIndex	Pointer to the index of the touch point.
toolType	Pointer to the tool type.

Returns

Returns the status code of the execution.

Since

9

OH_NativeXComponent_GetXComponentId()

int32_t OH_NativeXComponent_GetXComponentId (OH_NativeXComponent * component, char * id, uint64_t * size )

Description

Obtains the ID of ArkUI XComponent.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
id	Pointer to the character buffer for storing the ID of the OH_NativeXComponent instance. Note that null terminators will be attached to the character buffer, so the size of the character buffer should be at least one unit greater than the length of the real ID. The recommended size is [OH_XCOMPONENT_ID_LEN_MAX + 1].
size	Pointer to the ID length, which is used to receive the ID length information.

Returns

Returns the status code of the execution.

Since

8

OH_NativeXComponent_GetXComponentOffset()

int32_t OH_NativeXComponent_GetXComponentOffset (OH_NativeXComponent * component, const void * window, double * x, double * y )

Description

Obtains the offset of the surface held by the XComponent relative to the upper left corner of its parent component.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
window	Handle to the NativeWindow instance.
x	Pointer to the X coordinate of the current surface relative to the upper left corner of the XComponent's parent component.
y	Pointer to the Y coordinate of the current surface relative to the upper left corner of the XComponent's parent component.

Returns

Returns the status code of the execution.

Since

8

OH_NativeXComponent_GetXComponentSize()

int32_t OH_NativeXComponent_GetXComponentSize (OH_NativeXComponent * component, const void * window, uint64_t * width, uint64_t * height )

Description

Obtains the size of the surface held by the ArkUI XComponent.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
window	Handle to the NativeWindow instance.
width	Pointer to the width of the current surface.
height	Pointer to the height of the current surface.

Returns

Returns the status code of the execution.

Since

8

OH_NativeXComponent_RegisterBlurEventCallback()

int32_t OH_NativeXComponent_RegisterBlurEventCallback (OH_NativeXComponent * component, void(*callback)(OH_NativeXComponent *component, void *window))

Description

Registers the focus loss event callback for this OH_NativeXComponent instance.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the focus loss event callback.

Returns

Returns the status code of the execution.

Since

10

OH_NativeXComponent_RegisterCallback()

int32_t OH_NativeXComponent_RegisterCallback (OH_NativeXComponent * component, OH_NativeXComponent_Callback * callback )

Description

Registers a callback for this OH_NativeXComponent instance.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the surface lifecycle and touch event callback.

Returns

Returns the status code of the execution.

Since

8

OH_NativeXComponent_RegisterFocusEventCallback()

int32_t OH_NativeXComponent_RegisterFocusEventCallback (OH_NativeXComponent * component, void(*callback)(OH_NativeXComponent *component, void *window))

Description

Registers the focus obtaining event callback for this OH_NativeXComponent instance.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the focus obtaining event callback.

Returns

Returns the status code of the execution.

Since

10

OH_NativeXComponent_RegisterKeyEventCallback()

int32_t OH_NativeXComponent_RegisterKeyEventCallback (OH_NativeXComponent * component, void(*callback)(OH_NativeXComponent *component, void *window))

Description

Registers the key event callback for this OH_NativeXComponent instance.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the key event callback.

Returns

Returns the status code of the execution.

Since

10

OH_NativeXComponent_RegisterMouseEventCallback()

int32_t OH_NativeXComponent_RegisterMouseEventCallback (OH_NativeXComponent * component, OH_NativeXComponent_MouseEvent_Callback * callback )

Description

Registers the mouse event callback for this OH_NativeXComponent instance.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the mouse event callback.

Returns

Returns the status code of the execution.

Since

9

OH_NativeXComponent_RegisterOnFrameCallback()

int32_t OH_NativeXComponent_RegisterOnFrameCallback (OH_NativeXComponent* component, void (*callback)(OH_NativeXComponent *component, uint64_t timestamp, uint64_t targetTimestamp))

Description

Registers the display update callback for this OH_NativeXComponent instance and enables the callback for each frame.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the display update callback.

Returns

Returns the status code of the execution.

Since

11

OH_NativeXComponent_RegisterOnTouchInterceptCallback()

int32_t OH_NativeXComponent_RegisterOnTouchInterceptCallback (OH_NativeXComponent * component, HitTestMode(*callback)(OH_NativeXComponent *component, ArkUI_UIInputEvent *event))

Description

Registers a custom event intercept callback for an OH_NativeXComponent and enables the callback during the hit test.

Since: 12

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the custom event intercept callback.

Returns

Returns 0 if the operation is successful; returns 401 if a parameter error occurs.

OH_NativeXComponent_RegisterUIInputEventCallback()

int32_t OH_NativeXComponent_RegisterUIInputEventCallback (OH_NativeXComponent * component, void(*callback)(OH_NativeXComponent *component, ArkUI_UIInputEvent *event, ArkUI_UIInputEvent_Type type), ArkUI_UIInputEvent_Type type )

Description

Registers a UI input event callback for an OH_NativeXComponent instance and enables the callback to be invoked when a UI input event is received.

Since: 12

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the UI input event callback.
type	Type of the current UI input event.

Returns

Returns the status code of the execution.

OH_NativeXComponent_SetExpectedFrameRateRange()

int32_t OH_NativeXComponent_SetExpectedFrameRateRange (OH_NativeXComponent * component, OH_NativeXComponent_ExpectedRateRange * range )

Description

Sets the expected frame rate range.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
range	Pointer to the expected frame rate range.

Returns

Returns the status code of the execution.

Since

11

OH_NativeXComponent_UnregisterOnFrameCallback()

int32_t OH_NativeXComponent_UnregisterOnFrameCallback (OH_NativeXComponent * component)

Description

Deregisters the display update callback for this OH_NativeXComponent instance and disables the callback for each frame.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.

Returns

Returns the status code of the execution.

Since

11

OH_NativeXComponent_SetNeedSoftKeyboard()

int32_t OH_NativeXComponent_SetNeedSoftKeyboard(OH_NativeXComponent* component, bool isNeedSoftKeyboard)

Description

Sets whether the soft keyboard is required for an OH_NativeXComponent instance.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
isNeedSoftKeyboard	Whether the soft keyboard is required for the OH_NativeXComponent instance.

Returns

Returns the status code of the execution.

Since

12

OH_NativeXComponent_RegisterSurfaceShowCallback()

int32_t OH_NativeXComponent_RegisterSurfaceShowCallback (OH_NativeXComponent * component, void(*callback)(OH_NativeXComponent *component, void *window))

Description

Registers a surface display callback for an OH_NativeXComponent instance. The callback is invoked whenever the application is switched to the foreground.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the surface display callback.

Returns

Returns the status code of the execution.

Since

12

OH_NativeXComponent_RegisterSurfaceHideCallback()

int32_t OH_NativeXComponent_RegisterSurfaceHideCallback (OH_NativeXComponent * component, void(*callback)(OH_NativeXComponent *component, void *window))

Description

Registers a surface hiding callback for an OH_NativeXComponent instance. The callback is invoked whenever the application is switched to the background.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
callback	Pointer to the surface hiding callback.

Returns

Returns the status code of the execution.

Since

12

OH_NativeXComponent_GetTouchEventSourceType()

int32_t OH_NativeXComponent_GetTouchEventSourceType (OH_NativeXComponent* component, int32_t pointId, OH_NativeXComponent_EventSourceType* sourceType);

Description

Obtains the touch event source type of an OH_NativeXComponent instance.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
pointId	ID of the touch point. NOTE The touch event source type can be correctly returned only when the ID passed in is the ID of the touch point that triggers the touch event. Otherwise, OH_NATIVEXCOMPONENT_RESULT_BAD_PARAMETER is returned.
sourceType	Pointer to the touch event source type.

Returns

Returns OH_NATIVEXCOMPONENT_RESULT_SUCCESS if the operation is successful.

Returns OH_NATIVEXCOMPONENT_RESULT_BAD_PARAMETER if a parameter error occurs.

Returns OH_NATIVEXCOMPONENT_RESULT_FAILED if any other error occurs.

Since

12

OH_NativeXComponent_GetNativeAccessibilityProvider()

int32_t OH_NativeXComponent_GetNativeAccessibilityProvider(
    OH_NativeXComponent* component, ArkUI_AccessibilityProvider** handle);

Description

Obtains the accessibility provider handle for an ArkUI XComponent.

Parameters

Name	Description
component	Pointer to the OH_NativeXComponent instance.
handle	Pointer to the accessibility provider handle.

Returns

Returns OH_NATIVEXCOMPONENT_RESULT_SUCCESS if the operation is successful.

Returns OH_NATIVEXCOMPONENT_RESULT_BAD_PARAMETER if a parameter error occurs.

Returns OH_NATIVEXCOMPONENT_RESULT_FAILED if any other error occurs.

Since

13

Variable Description

OH_XCOMPONENT_ID_LEN_MAX

const uint32_t OH_XCOMPONENT_ID_LEN_MAX = 128

Description

Maximum length of the ArkUI XComponent ID.

Since

8

OH_MAX_TOUCH_POINTS_NUMBER

const uint32_t OH_MAX_TOUCH_POINTS_NUMBER = 10

Description

Maximum number of identifiable touch points in a touch event.

Since

8

action

OH_NativeXComponent_MouseEventAction OH_NativeXComponent_MouseEvent::action

Description

Action of the mouse event.

Since

8

button

OH_NativeXComponent_MouseEventButton OH_NativeXComponent_MouseEvent::button

Description

Mouse event button.

Since

8

deviceId

int64_t OH_NativeXComponent_TouchEvent::deviceId = 0

Description

ID of the device where the current touch event is triggered.

Since

8

DispatchHoverEvent

void(* OH_NativeXComponent_MouseEvent_Callback::DispatchHoverEvent) (OH_NativeXComponent *component, bool isHover)

Description

Invoked when a hover event is triggered.

Since

8

DispatchMouseEvent

void(* OH_NativeXComponent_MouseEvent_Callback::DispatchMouseEvent) (OH_NativeXComponent *component, void *window)

Description

Invoked when a mouse event is triggered.

Since

8

DispatchTouchEvent

void(* OH_NativeXComponent_Callback::DispatchTouchEvent) (OH_NativeXComponent *component, void *window)

Description

Invoked when a touch event is triggered.

Since

8

force [1/2]

float OH_NativeXComponent_TouchPoint::force = 0.0

Description

Pressure of the touch event.

Since

8

force [2/2]

float OH_NativeXComponent_TouchEvent::force = 0.0

Description

Pressure of the touch event.

Since

8

id [1/2]

int32_t OH_NativeXComponent_TouchPoint::id = 0

Description

Unique identifier of the finger.

Since

8

id [2/2]

int32_t OH_NativeXComponent_TouchEvent::id = 0

Description

Unique identifier of the finger.

Since

8

isPressed

bool OH_NativeXComponent_TouchPoint::isPressed = false

Description

Whether the current point is pressed.

Since

8

numPoints

uint32_t OH_NativeXComponent_TouchEvent::numPoints = 0

Description

Number of current touch points.

Since

8

OnSurfaceChanged

void(* OH_NativeXComponent_Callback::OnSurfaceChanged) (OH_NativeXComponent *component, void *window)

Description

Invoked when the surface changes.

Since

8

OnSurfaceCreated

void(* OH_NativeXComponent_Callback::OnSurfaceCreated) (OH_NativeXComponent *component, void *window)

Description

Invoked when a surface is created.

Since

8

OnSurfaceDestroyed

void(* OH_NativeXComponent_Callback::OnSurfaceDestroyed) (OH_NativeXComponent *component, void *window)

Description

Invoked when the surface is destroyed.

Since

8

screenX [1/3]

float OH_NativeXComponent_TouchPoint::screenX = 0.0

Description

X coordinate of the touch point relative to the upper left corner of the application window where the XComponent is located.

Since

8

screenX [2/3]

float OH_NativeXComponent_TouchEvent::screenX = 0.0

Description

X coordinate of the touch point relative to the upper left corner of the application window where the XComponent is located.

Since

8

screenX [3/3]

float OH_NativeXComponent_MouseEvent::screenX

Description

X coordinate of the click point relative to the upper left corner of the application screen where the XComponent is located.

Since

8

screenY [1/3]

float OH_NativeXComponent_TouchPoint::screenY = 0.0

Description

Y coordinate of the touch point relative to the upper left corner of the application window where the XComponent is located.

Since

8

screenY [2/3]

float OH_NativeXComponent_TouchEvent::screenY = 0.0

Description

Y coordinate of the touch point relative to the upper left corner of the application window where the XComponent is located.

Since

8

screenY [3/3]

float OH_NativeXComponent_MouseEvent::screenY

Description

Y coordinate of the click point relative to the upper left corner of the application window where the XComponent is located.

Since

8

size [1/2]

double OH_NativeXComponent_TouchPoint::size = 0.0

Description

Contact area between the finger pad and the screen.

Since

8

size [2/2]

double OH_NativeXComponent_TouchEvent::size = 0.0

Description

Contact area between the finger pad and the screen.

Since

8

timeStamp [1/2]

long long OH_NativeXComponent_TouchPoint::timeStamp = 0

Description

Timestamp of the touch point.

Since

8

timeStamp [2/2]

long long OH_NativeXComponent_TouchEvent::timeStamp = 0

Description

Timestamp of the touch point.

Since

8

timestamp

int64_t OH_NativeXComponent_MouseEvent::timestamp

Description

Timestamp of the mouse event.

Since

8

touchPoints

OH_NativeXComponent_TouchPoint OH_NativeXComponent_TouchEvent::touchPoints[OH_MAX_TOUCH_POINTS_NUMBER]

Description

Array of the touch points.

Since

8

type [1/2]

OH_NativeXComponent_TouchEventType OH_NativeXComponent_TouchPoint::type = OH_NativeXComponent_TouchEventType::OH_NATIVEXCOMPONENT_UNKNOWN

Description

Touch type of the touch point.

Since

8

type [2/2]

OH_NativeXComponent_TouchEventType OH_NativeXComponent_TouchEvent::type = OH_NativeXComponent_TouchEventType::OH_NATIVEXCOMPONENT_UNKNOWN

Description

Touch type of the touch point.

Since

8

x [1/3]

float OH_NativeXComponent_TouchPoint::x = 0.0

Description

X coordinate of the touch point relative to the left edge of the XComponent.

Since

8

x [2/3]

float OH_NativeXComponent_TouchEvent::x = 0.0

Description

X coordinate of the touch point relative to the left edge of the XComponent.

Since

8

x [3/3]

float OH_NativeXComponent_MouseEvent::x

Description

X coordinate of the clicked point relative to the upper left corner of the component.

Since

8

y [1/3]

float OH_NativeXComponent_TouchPoint::y = 0.0

Description

Y coordinate of the touch point relative to the upper edge of the XComponent.

Since

8

y [2/3]

float OH_NativeXComponent_TouchEvent::y = 0.0

Description

Y coordinate of the touch point relative to the upper edge of the XComponent.

Since

8

y [3/3]

float OH_NativeXComponent_MouseEvent::y

Description

Y coordinate of the clicked point relative to the upper left corner of the component.

Since

8

expected

int32_t OH_NativeXComponent_ExpectedRateRange::expected

Description

Expected frame rate range.

Since

11

max

int32_t OH_NativeXComponent_ExpectedRateRange::max

Description

Maximum value of the expected frame rate range.

Since

11

min

int32_t OH_NativeXComponent_ExpectedRateRange::min

Description

Minimum value of the expected frame rate range.

Since

11

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