# WifiP2pManager.ExternalApproverRequestListener
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
# WifiP2pManager.ExternalApproverRequestListener
*** ** * ** ***
[Kotlin](https://developer.android.com/reference/kotlin/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener "View this page in Kotlin") \|Java
`
public
static
interface
WifiP2pManager.ExternalApproverRequestListener
`
`
`
|---------------------------------------------------------------------|
| android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener |
*** ** * ** ***
Interface for callback invocation when an incoming request is received.
This callback is registered by
[WifiP2pManager.addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)).
## Summary
| ### Constants ||
|-------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `int` | [APPROVER_DETACH_REASON_CLOSE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#APPROVER_DETACH_REASON_CLOSE) Detached since the [WifiP2pManager](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager) channel was closed, e.g. |
| `int` | [APPROVER_DETACH_REASON_FAILURE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#APPROVER_DETACH_REASON_FAILURE) Detached due to a framework failure. |
| `int` | [APPROVER_DETACH_REASON_REMOVE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#APPROVER_DETACH_REASON_REMOVE) Detached by a call to [WifiP2pManager.removeExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, android.net.wifi.p2p.WifiP2pManager.ActionListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#removeExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20android.net.wifi.p2p.WifiP2pManager.ActionListener)). |
| `int` | [APPROVER_DETACH_REASON_REPLACE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#APPROVER_DETACH_REASON_REPLACE) Detached when a new approver replaces an old one. |
| `int` | [REQUEST_TYPE_INVITATION](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#REQUEST_TYPE_INVITATION) This device received an invitation request from GO to join the group. |
| `int` | [REQUEST_TYPE_JOIN](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#REQUEST_TYPE_JOIN) This GO device received a request from a peer to join the group. |
| `int` | [REQUEST_TYPE_NEGOTIATION](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#REQUEST_TYPE_NEGOTIATION) This device received a negotiation request from another peer. |
| ### Public methods ||
|------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` abstract void` | ` `[onAttached](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onAttached(android.net.MacAddress))`(`[MacAddress](https://developer.android.com/reference/android/net/MacAddress)` deviceAddress) ` Called when an approver registration via [WifiP2pManager.addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)) is successful. |
| ` abstract void` | ` `[onConnectionRequested](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onConnectionRequested(int,%20android.net.wifi.p2p.WifiP2pConfig,%20android.net.wifi.p2p.WifiP2pDevice))`(int requestType, `[WifiP2pConfig](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pConfig)` config, `[WifiP2pDevice](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pDevice)` device) ` Called when there is an incoming connection request which matches a peer (identified by its [MacAddress](https://developer.android.com/reference/android/net/MacAddress)) registered by the external approver through [WifiP2pManager.addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)). |
| ` abstract void` | ` `[onDetached](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onDetached(android.net.MacAddress,%20int))`(`[MacAddress](https://developer.android.com/reference/android/net/MacAddress)` deviceAddress, int reason) ` Called when an approver registration via [WifiP2pManager.addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)) has failed. |
| ` default void` | ` `[onPasswordGenerated](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onPasswordGenerated(android.net.MacAddress,%20java.lang.String))`(`[MacAddress](https://developer.android.com/reference/android/net/MacAddress)` deviceAddress, `[String](https://developer.android.com/reference/java/lang/String)` password) ` Called when a Wi-Fi Direct R2 pairing bootstrapping password is generated by the WiFi service. |
| ` abstract void` | ` `[onPinGenerated](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onPinGenerated(android.net.MacAddress,%20java.lang.String))`(`[MacAddress](https://developer.android.com/reference/android/net/MacAddress)` deviceAddress, `[String](https://developer.android.com/reference/java/lang/String)` pin) ` Called when a WPS PIN or Wi-Fi Direct R2 pairing bootstrapping PIN is generated by the WiFi service. |
## Constants
### APPROVER_DETACH_REASON_CLOSE
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public static final int APPROVER_DETACH_REASON_CLOSE
```
Detached since the [WifiP2pManager](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager) channel was closed, e.g.
by using [Channel.close()](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.Channel#close()) method.
Used in [onDetached(android.net.MacAddress, int)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onDetached(android.net.MacAddress,%20int)).
Constant Value:
3
(0x00000003)
### APPROVER_DETACH_REASON_FAILURE
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public static final int APPROVER_DETACH_REASON_FAILURE
```
Detached due to a framework failure.
Used in [onDetached(android.net.MacAddress, int)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onDetached(android.net.MacAddress,%20int)).
Constant Value:
1
(0x00000001)
### APPROVER_DETACH_REASON_REMOVE
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public static final int APPROVER_DETACH_REASON_REMOVE
```
Detached by a call to
[WifiP2pManager.removeExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, android.net.wifi.p2p.WifiP2pManager.ActionListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#removeExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20android.net.wifi.p2p.WifiP2pManager.ActionListener)).
Used in [onDetached(android.net.MacAddress, int)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onDetached(android.net.MacAddress,%20int)).
Constant Value:
0
(0x00000000)
### APPROVER_DETACH_REASON_REPLACE
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public static final int APPROVER_DETACH_REASON_REPLACE
```
Detached when a new approver replaces an old one.
Used in [onDetached(android.net.MacAddress, int)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onDetached(android.net.MacAddress,%20int)).
Constant Value:
2
(0x00000002)
### REQUEST_TYPE_INVITATION
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public static final int REQUEST_TYPE_INVITATION
```
This device received an invitation request from GO to join the group.
Used in [onConnectionRequested(int, android.net.wifi.p2p.WifiP2pConfig, android.net.wifi.p2p.WifiP2pDevice)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onConnectionRequested(int,%20android.net.wifi.p2p.WifiP2pConfig,%20android.net.wifi.p2p.WifiP2pDevice)).
Constant Value:
1
(0x00000001)
### REQUEST_TYPE_JOIN
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public static final int REQUEST_TYPE_JOIN
```
This GO device received a request from a peer to join the group.
Used in [onConnectionRequested(int, android.net.wifi.p2p.WifiP2pConfig, android.net.wifi.p2p.WifiP2pDevice)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onConnectionRequested(int,%20android.net.wifi.p2p.WifiP2pConfig,%20android.net.wifi.p2p.WifiP2pDevice)).
Constant Value:
2
(0x00000002)
### REQUEST_TYPE_NEGOTIATION
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public static final int REQUEST_TYPE_NEGOTIATION
```
This device received a negotiation request from another peer.
Used in [onConnectionRequested(int, android.net.wifi.p2p.WifiP2pConfig, android.net.wifi.p2p.WifiP2pDevice)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#onConnectionRequested(int,%20android.net.wifi.p2p.WifiP2pConfig,%20android.net.wifi.p2p.WifiP2pDevice)).
Constant Value:
0
(0x00000000)
## Public methods
### onAttached
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract void onAttached (MacAddress deviceAddress)
```
Called when an approver registration via
[WifiP2pManager.addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener))
is successful.
| Parameters ||
|-----------------|-----------------------------------------------------------------------------------------------------|
| `deviceAddress` | `MacAddress`: is the peer MAC address used in the registration. This value cannot be `null`.
|
### onConnectionRequested
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract void onConnectionRequested (int requestType,
WifiP2pConfig config,
WifiP2pDevice device)
```
Called when there is an incoming connection request
which matches a peer (identified by its [MacAddress](https://developer.android.com/reference/android/net/MacAddress)) registered by the external
approver through
[WifiP2pManager.addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)).
The external approver is expected to follow up with a connection decision using the
[WifiP2pManager.setConnectionRequestResult(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, int, android.net.wifi.p2p.WifiP2pManager.ActionListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#setConnectionRequestResult(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20int,%20android.net.wifi.p2p.WifiP2pManager.ActionListener)) with
[WifiP2pManager.CONNECTION_REQUEST_ACCEPT](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#CONNECTION_REQUEST_ACCEPT), [WifiP2pManager.CONNECTION_REQUEST_REJECT](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#CONNECTION_REQUEST_REJECT), or
[WifiP2pManager.CONNECTION_REQUEST_DEFER_TO_SERVICE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#CONNECTION_REQUEST_DEFER_TO_SERVICE).
| Parameters ||
|---------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `requestType` | `int`: is one of [REQUEST_TYPE_NEGOTIATION](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#REQUEST_TYPE_NEGOTIATION), [REQUEST_TYPE_INVITATION](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#REQUEST_TYPE_INVITATION), and [REQUEST_TYPE_JOIN](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#REQUEST_TYPE_JOIN). Value is [REQUEST_TYPE_NEGOTIATION](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#REQUEST_TYPE_NEGOTIATION), [REQUEST_TYPE_INVITATION](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#REQUEST_TYPE_INVITATION), or [REQUEST_TYPE_JOIN](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#REQUEST_TYPE_JOIN)
|
| `config` | `WifiP2pConfig`: is the peer configuration. This value cannot be `null`.
|
| `device` | `WifiP2pDevice`: is the peer information. This value cannot be `null`.
|
### onDetached
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract void onDetached (MacAddress deviceAddress,
int reason)
```
Called when an approver registration via
[WifiP2pManager.addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#addExternalApprover(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20android.net.wifi.p2p.WifiP2pManager.ExternalApproverRequestListener))
has failed.
| Parameters ||
|-----------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `deviceAddress` | `MacAddress`: is the peer MAC address used in the registration. This value cannot be `null`.
|
| `reason` | `int`: is the failure reason. Value is [APPROVER_DETACH_REASON_REMOVE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#APPROVER_DETACH_REASON_REMOVE), [APPROVER_DETACH_REASON_FAILURE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#APPROVER_DETACH_REASON_FAILURE), [APPROVER_DETACH_REASON_REPLACE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#APPROVER_DETACH_REASON_REPLACE), or [APPROVER_DETACH_REASON_CLOSE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager.ExternalApproverRequestListener#APPROVER_DETACH_REASON_CLOSE)
|
### onPasswordGenerated
[**Added in Android Baklava**](https://developer.android.com/preview)
```
public void onPasswordGenerated (MacAddress deviceAddress,
String password)
```
Called when a Wi-Fi Direct R2 pairing bootstrapping password is generated by the WiFi
service.
The external approver can display the password, exchange the password via Out-Of-Band way
or ask the wifi service to show the password as usual using the
[WifiP2pManager.setConnectionRequestResult(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, int, android.net.wifi.p2p.WifiP2pManager.ActionListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#setConnectionRequestResult(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20int,%20android.net.wifi.p2p.WifiP2pManager.ActionListener))
with [WifiP2pManager.CONNECTION_REQUEST_DEFER_SHOW_PASSWORD_TO_SERVICE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#CONNECTION_REQUEST_DEFER_SHOW_PASSWORD_TO_SERVICE).
| Parameters ||
|-----------------|-----------------------------------------------------------------------------------------------------|
| `deviceAddress` | `MacAddress`: is the peer MAC address used in the registration. This value cannot be `null`.
|
| `password` | `String`: is a Wi-Fi Direct R2 pairing bootstrapping password. This value cannot be `null`.
|
### onPinGenerated
Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public abstract void onPinGenerated (MacAddress deviceAddress,
String pin)
```
Called when a WPS PIN or Wi-Fi Direct R2 pairing bootstrapping PIN is generated by the
WiFi service.
The external approver can display the PIN, exchange the PIN via Out-Of-Band way
or ask the wifi service to show the PIN as usual using the
[WifiP2pManager.setConnectionRequestResult(android.net.wifi.p2p.WifiP2pManager.Channel, android.net.MacAddress, int, android.net.wifi.p2p.WifiP2pManager.ActionListener)](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#setConnectionRequestResult(android.net.wifi.p2p.WifiP2pManager.Channel,%20android.net.MacAddress,%20int,%20android.net.wifi.p2p.WifiP2pManager.ActionListener))
with [WifiP2pManager.CONNECTION_REQUEST_DEFER_SHOW_PIN_TO_SERVICE](https://developer.android.com/reference/android/net/wifi/p2p/WifiP2pManager#CONNECTION_REQUEST_DEFER_SHOW_PIN_TO_SERVICE).
| Parameters ||
|-----------------|------------------------------------------------------------------------------------------------------------|
| `deviceAddress` | `MacAddress`: is the peer MAC address used in the registration. This value cannot be `null`.
|
| `pin` | `String`: is a WPS PIN or a Wi-Fi Direct R2 pairing bootstrapping PIN. This value cannot be `null`.
|