Added in [API level 3](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

# Handler.Callback

*** ** * ** ***

` public static interface Handler.Callback `   
` `

|---|
| android.os.Handler.Callback |

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*** ** * ** ***

Callback interface you can use when instantiating a Handler to avoid having to implement your own subclass of Handler.

## Summary

| ### Public methods ||
|---|---|
| ` abstract boolean` | ` https://developer.android.com/reference/android/os/Handler.Callback#handleMessage(android.os.Message)(https://developer.android.com/reference/android/os/Message msg) ` |

## Public methods

### handleMessage

Added in [API level 3](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public abstract boolean handleMessage (Message msg)
```

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| Parameters ||
|---|---|
| `msg` | `Message`: A `https://developer.android.com/reference/android/os/Message` object. This value cannot be `null`. <br /> |

| Returns ||
|---|---|
| `boolean` | True if no further handling is desired <br /> |