# SensorFusionResult.SensorFusionFallback

Artifact: [androidx.core.uwb:uwb](https://developer.android.com/jetpack/androidx/releases/core-uwb) [View Source](https://cs.android.com/search?q=file:androidx/core/uwb/SensorFusionResult.kt+class:androidx.core.uwb.SensorFusionResult.SensorFusionFallback) Added in [1.1.0-alpha03](https://developer.android.com/jetpack/androidx/releases/core-uwb#1.1.0-alpha03)

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```
public final class SensorFusionResult.SensorFusionFallback implements SensorFusionResult
```

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Sensor fusion failed to start and the session will fall back to UWB ranging.

## Summary

| ### Public constructors |
|---|
| `https://developer.android.com/reference/androidx/core/uwb/SensorFusionResult.SensorFusionFallback#SensorFusionFallback(androidx.core.uwb.UwbDevice,kotlin.Int)(@https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/androidx/core/uwb/UwbDevice device, int reason)` |

| ### Public methods |
|---|---|
| `@https://developer.android.com/reference/androidx/annotation/NonNull https://developer.android.com/reference/androidx/core/uwb/UwbDevice` | `https://developer.android.com/reference/androidx/core/uwb/SensorFusionResult.SensorFusionFallback#getDevice()()` The peer UWB device. |
| `final int` | `https://developer.android.com/reference/androidx/core/uwb/SensorFusionResult.SensorFusionFallback#getReason()()` Reason code indicating why sensor fusion failed to start |

## Public constructors

### SensorFusionFallback

Added in [1.1.0-alpha03](https://developer.android.com/jetpack/androidx/releases/core-uwb#1.1.0-alpha03)

```
public SensorFusionFallback(@NonNull UwbDevice device, int reason)
```

## Public methods

### getDevice

```
public @NonNull UwbDevice getDevice()
```

The peer UWB device.

### getReason

Added in [1.1.0-alpha03](https://developer.android.com/jetpack/androidx/releases/core-uwb#1.1.0-alpha03)

```
public final int getReason()
```

Reason code indicating why sensor fusion failed to start

Value is one of the following:

- `0`
- `1`
- `2`
- `5`
- `3`
- `4`

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