WifiEvents

java.lang.Object
- ohos.wifi.WifiEvents

```
public final class WifiEvents
extends Object
```
Provides parameters for Wi-Fi interfaces.
The parameters include Wi-Fi broadcasting status and common Wi-Fi parameters.

从以下版本开始:

3

字段概要

字段
限定符和类型	字段	说明
`static int`	`BAND_INVALID`	Indicates an invalid Wi-Fi channel or value.
`static int`	`BAND_WIDTH_160MHZ`	Indicates 160MHz channel bandwidth.
`static int`	`BAND_WIDTH_20MHZ`	Indicates 20MHz channel bandwidth.
`static int`	`BAND_WIDTH_40MHZ`	Indicates 40MHz channel bandwidth.
`static int`	`BAND_WIDTH_80MHZ`	Indicates 80MHz channel bandwidth.
`static int`	`BAND_WIDTH_80MHZ_PLUS`	Indicates 80MHZ + 80MHZ channel bandwidth.
`static int`	`BAND_WIFI_2G`	Indicates a 2.4 GHz Wi-Fi channel.
`static int`	`BAND_WIFI_5G`	Indicates a 5 GHz Wi-Fi channel.
`static String`	`EVENT_ACTIVE_STATE`	Indicates the `action` of a common event about the Wi-Fi state, such as enabled and disabled.
`static String`	`EVENT_CONN_STATE`	Indicates the `action` of a common event that the Wi-Fi connection state has changed.
`static String`	`EVENT_HOTSPOT_STATE`	Indicates the `action` of a common event about the Wi-Fi hotspot state, such as enabled or disabled.
`static String`	`EVENT_HOTSPOT_STATION_JOIN`	Indicates the `action` of a common event that a client has joined the Wi-Fi hotspot of the current device.
`static String`	`EVENT_HOTSPOT_STATION_LEAVE`	Indicates the `action` of a common event that a client has dropped connection to the Wi-Fi hotspot of the current device.
`static String`	`EVENT_P2P_CONN_STATE_CHANGED`	Indicates the event that the state of the Wi-Fi P2P connection has changed.
`static String`	`EVENT_P2P_CURRENT_DEVICE_STATE_CHANGED`	Indicates the event that the state of the current device has changed.
`static String`	`EVENT_P2P_DEVICES_CHANGED`	Indicates the event that the state of peer devices has changed.
`static String`	`EVENT_P2P_DEVICES_DISCOVERY_STATE`	Indicates the event that the state of Wi-Fi P2P discovery has changed.
`static String`	`EVENT_P2P_STATE_CHANGED`	Indicates the event that the state of Wi-Fi P2P has changed.
`static String`	`EVENT_RSSI_VALUE`	Indicates the `action` of a common event that the Wi-Fi signal strength (RSSI) has changed.
`static String`	`EVENT_SCAN_STATE`	Indicates the `action` of a common event that the Wi-Fi access point has been scanned and proven to be available.
`static String`	`PARAM_ACTIVE_STATE`	Indicates the Wi-Fi state (enabled or disabled) after a state change.
`static String`	`PARAM_CONN_STATE`	Indicates the Wi-Fi state after a status change (connected or disconnected).
`static String`	`PARAM_HOTSPOT_STATE`	Indicates the Wi-Fi hotspot state (enabled or disabled) after a state change.
`static String`	`PARAM_P2P_DISCOVERY`	Indicates the state of Wi-Fi P2P discovery.
`static String`	`PARAM_P2P_STATE_CHANGED`	Indicates the Wi-Fi P2P state.
`static String`	`PARAM_RSSI_VALUE`	Indicates the RSSI value after an RSSI change.
`static String`	`PARAM_SCAN_STATE`	Indicates the scanning status (successful or failed) after a Wi-Fi scanning ends.
`static int`	`PEERS_P2P_DISCOVERY_OFF`	Indicates that Wi-Fi P2P discovery is disabled.
`static int`	`PEERS_P2P_DISCOVERY_ON`	Indicates that Wi-Fi P2P discovery is enabled.
`static int`	`STATE_ACTIVATING`	Indicates that Wi-Fi is currently being enabled.
`static int`	`STATE_ACTIVE`	Indicates that Wi-Fi is enabled.
`static int`	`STATE_CONNECTED`	Indicates that the Wi-Fi is connected.
`static int`	`STATE_DEACTIVATING`	Indicates that Wi-Fi is currently being disabled.
`static int`	`STATE_DISCONNECTED`	Indicates that the Wi-Fi is disconnected.
`static int`	`STATE_HOTSPOT_ACTIVATING`	Indicates that the Wi-Fi hotspot is currently being enabled.
`static int`	`STATE_HOTSPOT_ACTIVE`	Indicates that the Wi-Fi hotspot is enabled.
`static int`	`STATE_HOTSPOT_DEACTIVATING`	Indicates that the Wi-Fi hotspot is currently being disabled.
`static int`	`STATE_HOTSPOT_INACTIVE`	Indicates that the Wi-Fi hotspot is disabled.
`static int`	`STATE_INACTIVE`	Indicates that Wi-Fi is disabled.
`static int`	`STATE_P2P_OFF`	Indicates that Wi-Fi P2P is disabled.
`static int`	`STATE_P2P_ON`	Indicates that Wi-Fi P2P is enabled.
`static int`	`STATE_SCAN_FAIL`	Indicates that a Wi-Fi scanning fails.
`static int`	`STATE_SCAN_SUCCESS`	Indicates that a Wi-Fi scanning succeeds.

构造器概要

构造器
构造器说明

WifiEvents()

构造器
构造器	说明
`WifiEvents()`

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

- 字段详细资料
  - BAND_INVALID
```
public static final int BAND_INVALID
```
    Indicates an invalid Wi-Fi channel or value.
    A Wi-Fi channel should be either a 2.4 GHz channel BAND_WIFI_2G or a 5 GHz channel BAND_WIFI_5G.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - BAND_WIDTH_160MHZ
```
public static final int BAND_WIDTH_160MHZ
```
    Indicates 160MHz channel bandwidth.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - BAND_WIDTH_20MHZ
```
public static final int BAND_WIDTH_20MHZ
```
    Indicates 20MHz channel bandwidth.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - BAND_WIDTH_40MHZ
```
public static final int BAND_WIDTH_40MHZ
```
    Indicates 40MHz channel bandwidth.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - BAND_WIDTH_80MHZ
```
public static final int BAND_WIDTH_80MHZ
```
    Indicates 80MHz channel bandwidth.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - BAND_WIDTH_80MHZ_PLUS
```
public static final int BAND_WIDTH_80MHZ_PLUS
```
    Indicates 80MHZ + 80MHZ channel bandwidth.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - BAND_WIFI_2G
```
public static final int BAND_WIFI_2G
```
    Indicates a 2.4 GHz Wi-Fi channel.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - BAND_WIFI_5G
```
public static final int BAND_WIFI_5G
```
    Indicates a 5 GHz Wi-Fi channel.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - EVENT_ACTIVE_STATE
```
public static final String EVENT_ACTIVE_STATE
```
    Indicates the action of a common event about the Wi-Fi state, such as enabled and disabled. You can register this common event to listen for Wi-Fi state changes.
    In this common event sent to you, the PARAM_ACTIVE_STATE key of the IntentParams key-value pair carries specific information about the Wi-Fi state change, and the value can be STATE_ACTIVE (Wi-Fi disabled) or STATE_INACTIVE (Wi-Fi enabled).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    PARAM_ACTIVE_STATE, STATE_ACTIVE, STATE_INACTIVE, 常量字段值
  - EVENT_CONN_STATE
```
public static final String EVENT_CONN_STATE
```
    Indicates the action of a common event that the Wi-Fi connection state has changed. You can register this common event to listen for Wi-Fi connection state changes.
    In this common event sent to you, the PARAM_CONN_STATE key of the IntentParams key-value pair carries specific information about the Wi-Fi connection state change, and the value can be STATE_DISCONNECTED (Wi-Fi disconnected) or STATE_CONNECTED (Wi-Fi connected).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    PARAM_CONN_STATE, STATE_DISCONNECTED, STATE_CONNECTED, 常量字段值
  - EVENT_HOTSPOT_STATE
```
public static final String EVENT_HOTSPOT_STATE
```
    Indicates the action of a common event about the Wi-Fi hotspot state, such as enabled or disabled. You can register this common event to listen for Wi-Fi hotspot state changes.
    In this common event sent to you, the PARAM_HOTSPOT_STATE key of the IntentParams key-value pair carries specific information about the Wi-Fi hotspot state change, and the value can be STATE_HOTSPOT_INACTIVE (Wi-Fi hotspot disabled) or STATE_HOTSPOT_ACTIVE (Wi-Fi hotspot enabled).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    PARAM_HOTSPOT_STATE, STATE_HOTSPOT_INACTIVE, STATE_HOTSPOT_ACTIVE, 常量字段值
  - EVENT_HOTSPOT_STATION_JOIN
```
public static final String EVENT_HOTSPOT_STATION_JOIN
```
    Indicates the action of a common event that a client has joined the Wi-Fi hotspot of the current device. You can register this common event to listen for information about the clients joining your hotspot.
    In this common event sent to you, the keys of the IntentParams key-value pair carry the following information:
    To subscribe to this common event, your application must have the ohos.permission.GET_WIFI_INFO permission.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - EVENT_HOTSPOT_STATION_LEAVE
```
public static final String EVENT_HOTSPOT_STATION_LEAVE
```
    Indicates the action of a common event that a client has dropped connection to the Wi-Fi hotspot of the current device. You can register this common event to listen for information about the clients leaving your hotspot.
    In this common event sent to you, the keys of the IntentParams key-value pair carry the following information:
    To subscribe to this common event, your application must have the ohos.permission.GET_WIFI_INFO permission.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - EVENT_P2P_CONN_STATE_CHANGED
```
public static final String EVENT_P2P_CONN_STATE_CHANGED
```
    Indicates the event that the state of the Wi-Fi P2P connection has changed. You can register this event to listen for state changes of the Wi-Fi P2P connection.
    When receiving a broadcast of a Wi-Fi P2P information change, you can call WifiP2pController.requestP2pInfo(int, WifiP2pCallback) to request the Wi-Fi P2P information.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - EVENT_P2P_CURRENT_DEVICE_STATE_CHANGED
```
public static final String EVENT_P2P_CURRENT_DEVICE_STATE_CHANGED
```
    Indicates the event that the state of the current device has changed. You can register this event to listen for state changes of the current device.
    When receiving a broadcast of a state change for the current device, you can call WifiP2pController.requestP2pInfo(int, WifiP2pCallback) to request information about the current device.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - EVENT_P2P_DEVICES_CHANGED
```
public static final String EVENT_P2P_DEVICES_CHANGED
```
    Indicates the event that the state of peer devices has changed. You can register this event to listen for state changes of peer devices.
    When receiving a broadcast of a change in the peer device list, you can call WifiP2pController.requestP2pInfo(int, WifiP2pCallback) to request information about the peer device list.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - EVENT_P2P_DEVICES_DISCOVERY_STATE
```
public static final String EVENT_P2P_DEVICES_DISCOVERY_STATE
```
    Indicates the event that the state of Wi-Fi P2P discovery has changed. You can register this event to listen for state changes of Wi-Fi P2P discovery.
    In this event, the PARAM_P2P_DISCOVERY key of the IntentParams key-value pair carries information about the Wi-Fi P2P discovery state after the change, and the value can be PEERS_P2P_DISCOVERY_OFF (Wi-Fi P2P discovery is disabled) or PEERS_P2P_DISCOVERY_ON (Wi-Fi P2P discovery is enabled).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    PARAM_P2P_DISCOVERY, PEERS_P2P_DISCOVERY_OFF, PEERS_P2P_DISCOVERY_ON, 常量字段值
  - EVENT_P2P_STATE_CHANGED
```
public static final String EVENT_P2P_STATE_CHANGED
```
    Indicates the event that the state of Wi-Fi P2P has changed. You can register this event to listen for Wi-Fi P2P state changes.
    In this event, the PARAM_P2P_STATE_CHANGED key of the IntentParams key-value pair carries information about the Wi-Fi P2P state change, and the value can be STATE_P2P_OFF (Wi-Fi P2P is disabled) or STATE_P2P_ON (Wi-Fi P2P is enabled).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    PARAM_P2P_STATE_CHANGED, STATE_P2P_OFF, STATE_P2P_ON, 常量字段值
  - EVENT_RSSI_VALUE
```
public static final String EVENT_RSSI_VALUE
```
    Indicates the action of a common event that the Wi-Fi signal strength (RSSI) has changed. You can register this common event to listen for Wi-Fi RSSI changes of the connected network.
    In this common event sent to you, the PARAM_RSSI_VALUE key of the IntentParams key-value pair is associated with a specific value of the new RSSI.
    To subscribe to this common event, your application must have the ohos.permission.GET_WIFI_INFO permission.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    PARAM_RSSI_VALUE, 常量字段值
  - EVENT_SCAN_STATE
```
public static final String EVENT_SCAN_STATE
```
    Indicates the action of a common event that the Wi-Fi access point has been scanned and proven to be available. You can register this common event to listen for the Wi-Fi scanning result.
    In this common event sent to you, the PARAM_SCAN_STATE key of the IntentParams key-value pair carries specific information about the Wi-Fi scanning result, and the value can be STATE_SCAN_FAIL (scanning failed) or STATE_SCAN_SUCCESS (scanning succeeded).
    To subscribe to this common event, your application must have the ohos.permission.LOCATION permission.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    PARAM_SCAN_STATE, STATE_SCAN_FAIL, STATE_SCAN_SUCCESS, 常量字段值
  - PARAM_ACTIVE_STATE
```
public static final String PARAM_ACTIVE_STATE
```
    Indicates the Wi-Fi state (enabled or disabled) after a state change.
    The value can be STATE_ACTIVE (Wi-Fi disabled) or STATE_INACTIVE (Wi-Fi enabled).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - PARAM_CONN_STATE
```
public static final String PARAM_CONN_STATE
```
    Indicates the Wi-Fi state after a status change (connected or disconnected).
    The value can be STATE_DISCONNECTED (Wi-Fi disconnected) or STATE_CONNECTED (Wi-Fi connected).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - PARAM_HOTSPOT_STATE
```
public static final String PARAM_HOTSPOT_STATE
```
    Indicates the Wi-Fi hotspot state (enabled or disabled) after a state change.
    The value can be STATE_HOTSPOT_INACTIVE (Wi-Fi hotspot disabled) or STATE_HOTSPOT_ACTIVE (Wi-Fi hotspot enabled).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - PARAM_P2P_DISCOVERY
```
public static final String PARAM_P2P_DISCOVERY
```
    Indicates the state of Wi-Fi P2P discovery.
    The value can be PEERS_P2P_DISCOVERY_OFF (Wi-Fi P2P discovery is disabled) or PEERS_P2P_DISCOVERY_ON (Wi-Fi P2P discovery is enabled).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    PEERS_P2P_DISCOVERY_OFF, PEERS_P2P_DISCOVERY_ON, 常量字段值
  - PARAM_P2P_STATE_CHANGED
```
public static final String PARAM_P2P_STATE_CHANGED
```
    Indicates the Wi-Fi P2P state.
    The value can be STATE_P2P_OFF (Wi-Fi P2P is disabled) or STATE_P2P_ON (Wi-Fi P2P is enabled).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    STATE_P2P_OFF, STATE_P2P_ON, 常量字段值
  - PARAM_RSSI_VALUE
```
public static final String PARAM_RSSI_VALUE
```
    Indicates the RSSI value after an RSSI change.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - PARAM_SCAN_STATE
```
public static final String PARAM_SCAN_STATE
```
    Indicates the scanning status (successful or failed) after a Wi-Fi scanning ends.
    the value can be STATE_SCAN_FAIL (scanning failed) or STATE_SCAN_SUCCESS (scanning succeeded).
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - PEERS_P2P_DISCOVERY_OFF
```
public static final int PEERS_P2P_DISCOVERY_OFF
```
    Indicates that Wi-Fi P2P discovery is disabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - PEERS_P2P_DISCOVERY_ON
```
public static final int PEERS_P2P_DISCOVERY_ON
```
    Indicates that Wi-Fi P2P discovery is enabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_ACTIVATING
```
public static final int STATE_ACTIVATING
```
    Indicates that Wi-Fi is currently being enabled.
    
    从以下版本开始:
    
    5
    
    另请参阅:
    
    常量字段值
  - STATE_ACTIVE
```
public static final int STATE_ACTIVE
```
    Indicates that Wi-Fi is enabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_CONNECTED
```
public static final int STATE_CONNECTED
```
    Indicates that the Wi-Fi is connected.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_DEACTIVATING
```
public static final int STATE_DEACTIVATING
```
    Indicates that Wi-Fi is currently being disabled.
    
    从以下版本开始:
    
    5
    
    另请参阅:
    
    常量字段值
  - STATE_DISCONNECTED
```
public static final int STATE_DISCONNECTED
```
    Indicates that the Wi-Fi is disconnected.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_HOTSPOT_ACTIVATING
```
public static final int STATE_HOTSPOT_ACTIVATING
```
    Indicates that the Wi-Fi hotspot is currently being enabled.
    
    从以下版本开始:
    
    5
    
    另请参阅:
    
    常量字段值
  - STATE_HOTSPOT_ACTIVE
```
public static final int STATE_HOTSPOT_ACTIVE
```
    Indicates that the Wi-Fi hotspot is enabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_HOTSPOT_DEACTIVATING
```
public static final int STATE_HOTSPOT_DEACTIVATING
```
    Indicates that the Wi-Fi hotspot is currently being disabled.
    
    从以下版本开始:
    
    5
    
    另请参阅:
    
    常量字段值
  - STATE_HOTSPOT_INACTIVE
```
public static final int STATE_HOTSPOT_INACTIVE
```
    Indicates that the Wi-Fi hotspot is disabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_INACTIVE
```
public static final int STATE_INACTIVE
```
    Indicates that Wi-Fi is disabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_P2P_OFF
```
public static final int STATE_P2P_OFF
```
    Indicates that Wi-Fi P2P is disabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_P2P_ON
```
public static final int STATE_P2P_ON
```
    Indicates that Wi-Fi P2P is enabled.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_SCAN_FAIL
```
public static final int STATE_SCAN_FAIL
```
    Indicates that a Wi-Fi scanning fails.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
  - STATE_SCAN_SUCCESS
```
public static final int STATE_SCAN_SUCCESS
```
    Indicates that a Wi-Fi scanning succeeds.
    
    从以下版本开始:
    
    3
    
    另请参阅:
    
    常量字段值
- 构造器详细资料
  - WifiEvents
```
public WifiEvents()
```

类 WifiEvents

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

BAND_INVALID

BAND_WIDTH_160MHZ

BAND_WIDTH_20MHZ

BAND_WIDTH_40MHZ

BAND_WIDTH_80MHZ

BAND_WIDTH_80MHZ_PLUS

BAND_WIFI_2G

BAND_WIFI_5G

EVENT_ACTIVE_STATE

EVENT_CONN_STATE

EVENT_HOTSPOT_STATE

EVENT_HOTSPOT_STATION_JOIN

EVENT_HOTSPOT_STATION_LEAVE

EVENT_P2P_CONN_STATE_CHANGED

EVENT_P2P_CURRENT_DEVICE_STATE_CHANGED

EVENT_P2P_DEVICES_CHANGED

EVENT_P2P_DEVICES_DISCOVERY_STATE

EVENT_P2P_STATE_CHANGED

EVENT_RSSI_VALUE

EVENT_SCAN_STATE

PARAM_ACTIVE_STATE

PARAM_CONN_STATE

PARAM_HOTSPOT_STATE

PARAM_P2P_DISCOVERY

PARAM_P2P_STATE_CHANGED

PARAM_RSSI_VALUE

PARAM_SCAN_STATE

PEERS_P2P_DISCOVERY_OFF

PEERS_P2P_DISCOVERY_ON

STATE_ACTIVATING

STATE_ACTIVE

STATE_CONNECTED

STATE_DEACTIVATING

STATE_DISCONNECTED

STATE_HOTSPOT_ACTIVATING

STATE_HOTSPOT_ACTIVE

STATE_HOTSPOT_DEACTIVATING

STATE_HOTSPOT_INACTIVE

STATE_INACTIVE

STATE_P2P_OFF

STATE_P2P_ON

STATE_SCAN_FAIL

STATE_SCAN_SUCCESS

构造器详细资料

WifiEvents