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Summary: Ctors | Methods | Inherited Methods

# CompanionDeviceManager.Callback

`public static abstract class CompanionDeviceManager.Callback`
`extends Object` ``

java.lang.Object
↳ | android.companion.CompanionDeviceManager.Callback

A callback to receive once at least one suitable device is found, or the search failed (e.g. timed out)

## Summary

### Public constructors
`Callback()`

### Public methods
`abstract void` | `onDeviceFound(IntentSender chooserLauncher)` Called once at least one suitable device is found
`abstract void` | `onFailure(CharSequence error)` Called if there was an error looking for device(s)

### Inherited methods
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Public constructors

### Callback

    public Callback ()

## Public methods

### onDeviceFound

    public abstract void onDeviceFound (IntentSender chooserLauncher)

Called once at least one suitable device is found

Parameters
`chooserLauncher` | `IntentSender`: a `IntentSender` to launch the UI for user to select a device

### onFailure

    public abstract void onFailure (CharSequence error)

Called if there was an error looking for device(s)

Parameters
`error` | `CharSequence`: the cause of the error

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