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# TelephonyCallback.DisplayInfoListener

`public static interface TelephonyCallback.DisplayInfoListener`
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android.telephony.TelephonyCallback.DisplayInfoListener

Interface for display info listener.

## Summary

### Public methods
`abstract void` | `onDisplayInfoChanged(TelephonyDisplayInfo telephonyDisplayInfo)` Callback invoked when the display info has changed on the registered subscription.

## Public methods

### onDisplayInfoChanged

    public abstract void onDisplayInfoChanged (TelephonyDisplayInfo telephonyDisplayInfo)

Callback invoked when the display info has changed on the registered subscription.

The `TelephonyDisplayInfo` contains status information shown to the user based on carrier policy.

Parameters
`telephonyDisplayInfo` | `TelephonyDisplayInfo`: The display information. This value cannot be `null`.

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