Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Constants](https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#constants) \| [Inherited Constants](https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#inhconstants) \| [Fields](https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#lfields) \| [Ctors](https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#pubctors) \| [Methods](https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#inhmethods)

# BluetoothHidDeviceAppQosSettings

*** ** * ** ***

` public final class BluetoothHidDeviceAppQosSettings `   
` extends https://developer.android.com/reference/java/lang/Object ` ` implements https://developer.android.com/reference/android/os/Parcelable `

|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | android.bluetooth.BluetoothHidDeviceAppQosSettings |

<br />

*** ** * ** ***

Represents the Quality of Service (QoS) settings for a Bluetooth HID Device application.

The BluetoothHidDevice framework will update the L2CAP QoS settings for the app during registration.
**See also:**

- `https://developer.android.com/reference/android/bluetooth/BluetoothHidDevice`

## Summary

| ### Constants ||
|---|---|
| `int` | `https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#MAX` <br /> |
| `int` | `https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#SERVICE_BEST_EFFORT` <br /> |
| `int` | `https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#SERVICE_GUARANTEED` <br /> |
| `int` | `https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#SERVICE_NO_TRAFFIC` <br /> |

### Inherited constants

From interface `https://developer.android.com/reference/android/os/Parcelable` `int` `https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR`

Descriptor bit used with `https://developer.android.com/reference/android/os/Parcelable#describeContents()`: indicates that the Parcelable object's flattened representation includes a file descriptor.
`int` `https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE`

Flag for use with `https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)`: the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`".

| ### Fields ||
|---|---|
| ` public static final https://developer.android.com/reference/android/os/Parcelable.Creator<https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings>` | `https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#CREATOR` <br /> |

| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#BluetoothHidDeviceAppQosSettings(int,%20int,%20int,%20int,%20int,%20int)(int serviceType, int tokenRate, int tokenBucketSize, int peakBandwidth, int latency, int delayVariation) ` Create a BluetoothHidDeviceAppQosSettings object for the Bluetooth L2CAP channel. |

| ### Public methods ||
|---|---|
| ` int` | ` https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#describeContents()() ` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. |
| ` int` | ` https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#getDelayVariation()() ` |
| ` int` | ` https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#getLatency()() ` |
| ` int` | ` https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#getPeakBandwidth()() ` |
| ` int` | ` https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#getServiceType()() ` |
| ` int` | ` https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#getTokenBucketSize()() ` |
| ` int` | ` https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#getTokenRate()() ` |
| ` void` | ` https://developer.android.com/reference/android/bluetooth/BluetoothHidDeviceAppQosSettings#writeToParcel(android.os.Parcel,%20int)(https://developer.android.com/reference/android/os/Parcel out, int flags) ` Flatten this object in to a Parcel. |

### Inherited methods

From class ` https://developer.android.com/reference/java/lang/Object ` ` https://developer.android.com/reference/java/lang/Object` ` https://developer.android.com/reference/java/lang/Object#clone()() `

Creates and returns a copy of this object.
` boolean` ` https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) `

Indicates whether some other object is "equal to" this one.
` void` ` https://developer.android.com/reference/java/lang/Object#finalize()() `

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
` final https://developer.android.com/reference/java/lang/Class<?>` ` https://developer.android.com/reference/java/lang/Object#getClass()() `

Returns the runtime class of this `Object`.
` int` ` https://developer.android.com/reference/java/lang/Object#hashCode()() `

Returns a hash code value for the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#notify()() `

Wakes up a single thread that is waiting on this object's monitor.
` final void` ` https://developer.android.com/reference/java/lang/Object#notifyAll()() `

Wakes up all threads that are waiting on this object's monitor.
` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/lang/Object#toString()() `

Returns a string representation of the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait(long,%20int)(long timeoutMillis, int nanos) `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait(long)(long timeoutMillis) `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*, or until a certain amount of real time has elapsed.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait()() `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*.
From interface ` https://developer.android.com/reference/android/os/Parcelable ` ` abstract int` ` https://developer.android.com/reference/android/os/Parcelable#describeContents()() `

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
` abstract void` ` https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)(https://developer.android.com/reference/android/os/Parcel dest, int flags) `

Flatten this object in to a Parcel.

## Constants

### MAX

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int MAX
```

<br />

<br />

Constant Value: -1 (0xffffffff)

### SERVICE_BEST_EFFORT

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int SERVICE_BEST_EFFORT
```

<br />

<br />

Constant Value: 1 (0x00000001)

### SERVICE_GUARANTEED

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int SERVICE_GUARANTEED
```

<br />

<br />

Constant Value: 2 (0x00000002)

### SERVICE_NO_TRAFFIC

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final int SERVICE_NO_TRAFFIC
```

<br />

<br />

Constant Value: 0 (0x00000000)

## Fields

### CREATOR

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final Creator<BluetoothHidDeviceAppQosSettings> CREATOR
```

<br />

<br />

## Public constructors

### BluetoothHidDeviceAppQosSettings

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public BluetoothHidDeviceAppQosSettings (int serviceType, 
                int tokenRate, 
                int tokenBucketSize, 
                int peakBandwidth, 
                int latency, 
                int delayVariation)
```

Create a BluetoothHidDeviceAppQosSettings object for the Bluetooth L2CAP channel. The QoS Settings is optional. Please refer to Bluetooth HID Specification v1.1.1 Section 5.2 and Appendix D for parameters.

<br />

| Parameters ||
|---|---|
| `serviceType` | `int`: L2CAP service type, default = SERVICE_BEST_EFFORT <br /> |
| `tokenRate` | `int`: L2CAP token rate, default = 0 <br /> |
| `tokenBucketSize` | `int`: L2CAP token bucket size, default = 0 <br /> |
| `peakBandwidth` | `int`: L2CAP peak bandwidth, default = 0 <br /> |
| `latency` | `int`: L2CAP latency, default = MAX <br /> |
| `delayVariation` | `int`: L2CAP delay variation, default = MAX <br /> |

## Public methods

### describeContents

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int describeContents ()
```

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of `https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)`, the return value of this method must include the `https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR` bit.

<br />

| Returns ||
|---|---|
| `int` | a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either `0` or - `https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR` |

### getDelayVariation

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int getDelayVariation ()
```

<br />

<br />

| Returns ||
|---|---|
| `int` | <br /> |

### getLatency

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int getLatency ()
```

<br />

<br />

| Returns ||
|---|---|
| `int` | <br /> |

### getPeakBandwidth

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int getPeakBandwidth ()
```

<br />

<br />

| Returns ||
|---|---|
| `int` | <br /> |

### getServiceType

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int getServiceType ()
```

<br />

<br />

| Returns ||
|---|---|
| `int` | <br /> |

### getTokenBucketSize

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int getTokenBucketSize ()
```

<br />

<br />

| Returns ||
|---|---|
| `int` | <br /> |

### getTokenRate

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public int getTokenRate ()
```

<br />

<br />

| Returns ||
|---|---|
| `int` | <br /> |

### writeToParcel

Added in [API level 28](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public void writeToParcel (Parcel out, 
                int flags)
```

Flatten this object in to a Parcel.

<br />

| Parameters ||
|---|---|
| `out` | `Parcel`: The Parcel in which the object should be written. This value cannot be `null`. <br /> |
| `flags` | `int`: Additional flags about how the object should be written. May be 0 or `https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE`. Value is either `0` or a combination of the following: - `https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE` |