Added in [API level 36](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

# TetheringManager.StartTetheringCallback

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` public static interface TetheringManager.StartTetheringCallback `   
` `

|---|
| android.net.TetheringManager.StartTetheringCallback |

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Callback for use with `https://developer.android.com/reference/android/net/TetheringManager#startTethering(android.net.TetheringManager.TetheringRequest,%20java.util.concurrent.Executor,%20android.net.TetheringManager.StartTetheringCallback)` to find out whether tethering succeeded.

## Summary

| ### Public methods ||
|---|---|
| ` default void` | ` https://developer.android.com/reference/android/net/TetheringManager.StartTetheringCallback#onTetheringFailed(int)(int error) ` Called when starting tethering failed. |
| ` default void` | ` https://developer.android.com/reference/android/net/TetheringManager.StartTetheringCallback#onTetheringStarted()() ` Called when tethering has been successfully started. |

## Public methods

### onTetheringFailed

Added in [API level 36](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void onTetheringFailed (int error)
```

Called when starting tethering failed.

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| Parameters ||
|---|---|
| `error` | `int`: The error that caused the failure. Value is one of the following: - `https://developer.android.com/reference/android/net/TetheringManager#TETHER_ERROR_SERVICE_UNAVAIL` - `https://developer.android.com/reference/android/net/TetheringManager#TETHER_ERROR_UNSUPPORTED` - `https://developer.android.com/reference/android/net/TetheringManager#TETHER_ERROR_INTERNAL_ERROR` - `https://developer.android.com/reference/android/net/TetheringManager#TETHER_ERROR_NO_CHANGE_TETHERING_PERMISSION` - `https://developer.android.com/reference/android/net/TetheringManager#TETHER_ERROR_UNKNOWN_TYPE` - `https://developer.android.com/reference/android/net/TetheringManager#TETHER_ERROR_DUPLICATE_REQUEST` |

### onTetheringStarted

Added in [API level 36](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void onTetheringStarted ()
```

Called when tethering has been successfully started.

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