1e41f4b71Sopenharmony_ci# InputManager 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci提供Input设备管理相关的接口。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci此类接口包含Input设备的扫描、打开和关闭、特定设备信息查询，以及所有设备列表信息获取等接口。 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**起始版本：** 1.0 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**相关模块：**[Input](_input.md) 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci## 汇总 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci### Public 属性 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci| 名称 | 描述 | 21e41f4b71Sopenharmony_ci| -------- | -------- | 22e41f4b71Sopenharmony_ci| int32_t(\* [ScanInputDevice](#scaninputdevice) )([InputDevDesc](_input_dev_desc.md) \*staArr, uint32_t arrLen) | Input服务用于扫描所有在线设备。 | 23e41f4b71Sopenharmony_ci| int32_t(\* [OpenInputDevice](#openinputdevice) )(uint32_t devIndex) | Input服务打开对应设备的设备文件。 | 24e41f4b71Sopenharmony_ci| int32_t(\* [CloseInputDevice](#closeinputdevice) )(uint32_t devIndex) | Input服务关闭对应设备的设备文件。 | 25e41f4b71Sopenharmony_ci| int32_t(\* [GetInputDevice](#getinputdevice) )(uint32_t devIndex, [InputDeviceInfo](_input_device_info.md) \*\*devInfo) | Input服务获取对应ID的设备信息。 | 26e41f4b71Sopenharmony_ci| int32_t(\* [GetInputDeviceList](#getinputdevicelist) )(uint32_t \*devNum, [InputDeviceInfo](_input_device_info.md) \*\*devList, uint32_t size) | Input服务获取所有Input设备列表的设备信息。 | 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci## 类成员变量说明 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci 32e41f4b71Sopenharmony_ci### CloseInputDevice 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci``` 35e41f4b71Sopenharmony_ciint32_t(* InputManager::CloseInputDevice) (uint32_t devIndex) 36e41f4b71Sopenharmony_ci``` 37e41f4b71Sopenharmony_ci**描述** 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ciInput服务关闭对应设备的设备文件。 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci**起始版本：** 1.0 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ci**参数:** 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ci| 名称 | 描述 | 46e41f4b71Sopenharmony_ci| -------- | -------- | 47e41f4b71Sopenharmony_ci| devIndex | 输入参数，Input设备索引，用于标志多个Input设备，取值从0开始，最多支持32个设备。 | 48e41f4b71Sopenharmony_ci 49e41f4b71Sopenharmony_ci**返回：** 50e41f4b71Sopenharmony_ci 51e41f4b71Sopenharmony_ciINPUT_SUCCESS 表示执行成功。 52e41f4b71Sopenharmony_ci 53e41f4b71Sopenharmony_ci其他值表示执行失败，具体错误码查看[RetStatus](_input.md#retstatus)。 54e41f4b71Sopenharmony_ci 55e41f4b71Sopenharmony_ci 56e41f4b71Sopenharmony_ci### GetInputDevice 57e41f4b71Sopenharmony_ci 58e41f4b71Sopenharmony_ci``` 59e41f4b71Sopenharmony_ciint32_t(* InputManager::GetInputDevice) (uint32_t devIndex, InputDeviceInfo **devInfo) 60e41f4b71Sopenharmony_ci``` 61e41f4b71Sopenharmony_ci**描述** 62e41f4b71Sopenharmony_ci 63e41f4b71Sopenharmony_ciInput服务获取对应ID的设备信息。 64e41f4b71Sopenharmony_ci 65e41f4b71Sopenharmony_ci**起始版本：** 1.0 66e41f4b71Sopenharmony_ci 67e41f4b71Sopenharmony_ci**参数:** 68e41f4b71Sopenharmony_ci 69e41f4b71Sopenharmony_ci| 名称 | 描述 | 70e41f4b71Sopenharmony_ci| -------- | -------- | 71e41f4b71Sopenharmony_ci| devIndex | 输入参数，Input设备索引，用于标志多个Input设备，取值从0开始，最多支持32个设备。 | 72e41f4b71Sopenharmony_ci| devInfo | 输出参数，即devIndex对应的设备的设备信息，具体参考[InputDeviceInfo](_input_device_info.md)。 | 73e41f4b71Sopenharmony_ci 74e41f4b71Sopenharmony_ci**返回：** 75e41f4b71Sopenharmony_ci 76e41f4b71Sopenharmony_ciINPUT_SUCCESS 表示执行成功。 77e41f4b71Sopenharmony_ci 78e41f4b71Sopenharmony_ci其他值表示执行失败，具体错误码查看[RetStatus](_input.md#retstatus)。 79e41f4b71Sopenharmony_ci 80e41f4b71Sopenharmony_ci 81e41f4b71Sopenharmony_ci### GetInputDeviceList 82e41f4b71Sopenharmony_ci 83e41f4b71Sopenharmony_ci``` 84e41f4b71Sopenharmony_ciint32_t(* InputManager::GetInputDeviceList) (uint32_t *devNum, InputDeviceInfo **devList, uint32_t size) 85e41f4b71Sopenharmony_ci``` 86e41f4b71Sopenharmony_ci**描述** 87e41f4b71Sopenharmony_ci 88e41f4b71Sopenharmony_ciInput服务获取所有Input设备列表的设备信息。 89e41f4b71Sopenharmony_ci 90e41f4b71Sopenharmony_ci**起始版本：** 1.0 91e41f4b71Sopenharmony_ci 92e41f4b71Sopenharmony_ci**参数:** 93e41f4b71Sopenharmony_ci 94e41f4b71Sopenharmony_ci| 名称 | 描述 | 95e41f4b71Sopenharmony_ci| -------- | -------- | 96e41f4b71Sopenharmony_ci| devNum | 输出参数，当前已经注册过的所有Input设备的总数。 | 97e41f4b71Sopenharmony_ci| devList | 输出参数，Input设备列表所对应的设备信息，具体参考[InputDeviceInfo](_input_device_info.md)。 | 98e41f4b71Sopenharmony_ci| size | 输入参数，即指定deviceList数组对应的元素个数。 | 99e41f4b71Sopenharmony_ci 100e41f4b71Sopenharmony_ci**返回：** 101e41f4b71Sopenharmony_ci 102e41f4b71Sopenharmony_ciINPUT_SUCCESS 表示执行成功。 103e41f4b71Sopenharmony_ci 104e41f4b71Sopenharmony_ci其他值表示执行失败，具体错误码查看[RetStatus](_input.md#retstatus)。 105e41f4b71Sopenharmony_ci 106e41f4b71Sopenharmony_ci 107e41f4b71Sopenharmony_ci### OpenInputDevice 108e41f4b71Sopenharmony_ci 109e41f4b71Sopenharmony_ci``` 110e41f4b71Sopenharmony_ciint32_t(* InputManager::OpenInputDevice) (uint32_t devIndex) 111e41f4b71Sopenharmony_ci``` 112e41f4b71Sopenharmony_ci**描述** 113e41f4b71Sopenharmony_ci 114e41f4b71Sopenharmony_ciInput服务打开对应设备的设备文件。 115e41f4b71Sopenharmony_ci 116e41f4b71Sopenharmony_ci**起始版本：** 1.0 117e41f4b71Sopenharmony_ci 118e41f4b71Sopenharmony_ci**参数:** 119e41f4b71Sopenharmony_ci 120e41f4b71Sopenharmony_ci| 名称 | 描述 | 121e41f4b71Sopenharmony_ci| -------- | -------- | 122e41f4b71Sopenharmony_ci| devIndex | 输入参数，Input设备索引，用于标志多个Input设备，取值从0开始，最多支持32个设备。 | 123e41f4b71Sopenharmony_ci 124e41f4b71Sopenharmony_ci**返回：** 125e41f4b71Sopenharmony_ci 126e41f4b71Sopenharmony_ciINPUT_SUCCESS 表示执行成功。 127e41f4b71Sopenharmony_ci 128e41f4b71Sopenharmony_ci其他值表示执行失败，具体错误码查看[RetStatus](_input.md#retstatus)。 129e41f4b71Sopenharmony_ci 130e41f4b71Sopenharmony_ci 131e41f4b71Sopenharmony_ci### ScanInputDevice 132e41f4b71Sopenharmony_ci 133e41f4b71Sopenharmony_ci``` 134e41f4b71Sopenharmony_ciint32_t(* InputManager::ScanInputDevice) (InputDevDesc *staArr, uint32_t arrLen) 135e41f4b71Sopenharmony_ci``` 136e41f4b71Sopenharmony_ci**描述** 137e41f4b71Sopenharmony_ci 138e41f4b71Sopenharmony_ciInput服务用于扫描所有在线设备。 139e41f4b71Sopenharmony_ci 140e41f4b71Sopenharmony_ci**起始版本：** 1.0 141e41f4b71Sopenharmony_ci 142e41f4b71Sopenharmony_ci**参数:** 143e41f4b71Sopenharmony_ci 144e41f4b71Sopenharmony_ci| 名称 | 描述 | 145e41f4b71Sopenharmony_ci| -------- | -------- | 146e41f4b71Sopenharmony_ci| staArr | 输出参数，存放Input设备扫描信息的数组，信息包含设备索引以及设备类型。 | 147e41f4b71Sopenharmony_ci| arrLen | 输入参数，staArr数组的长度信息。 | 148e41f4b71Sopenharmony_ci 149e41f4b71Sopenharmony_ci**返回：** 150e41f4b71Sopenharmony_ci 151e41f4b71Sopenharmony_ciINPUT_SUCCESS 表示执行成功。 152e41f4b71Sopenharmony_ci 153e41f4b71Sopenharmony_ci其他值表示执行失败，具体错误码查看[RetStatus](_input.md#retstatus)。 154