# NotificationCompat.CarExtender.UnreadConversation.Builder added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) belongs to Maven artifact com.android.support:support-compat:28.0.0-alpha1 Summary:[Ctors](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#pubctors)\|[Methods](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#inhmethods)\|[\[Expand All\]](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#) # NotificationCompat.CarExtender.UnreadConversation.Builder | This package is part of the Android[support library](https://developer.android.com/topic/libraries/support-library)which is no longer maintained. The support library has been superseded by[AndroidX](https://developer.android.com/jetpack/androidx)which is part of[Jetpack](https://developer.android.com/jetpack). We recommend using the AndroidX libraries in all new projects. You should also consider[migrating](https://developer.android.com/jetpack/androidx/migrate)existing projects to AndroidX. To find the AndroidX class that maps to this deprecated class, see the AndroidX support library[class mappings](https://developer.android.com/jetpack/androidx/migrate/class-mappings). ` public static class NotificationCompat.CarExtender.UnreadConversation.Builder ` ` extends Object `` ` |---|----------------------------------------------------------------------------------| | java.lang.Object || | ↳ | android.support.v4.app.NotificationCompat.CarExtender.UnreadConversation.Builder |
*** ** * ** *** Builder class for[NotificationCompat.CarExtender.UnreadConversation](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation)objects. ## Summary | ### Public constructors || |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---| | ` `[NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#NotificationCompat.CarExtender.UnreadConversation.Builder(java.lang.String))`(String name) ` Constructs a new builder for[NotificationCompat.CarExtender.UnreadConversation](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation). | | ### Public methods || |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` `[NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) | ` `[addMessage](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#addMessage(java.lang.String))`(String message) ` Appends a new unread message to the list of messages for this conversation. | | ` `[NotificationCompat.CarExtender.UnreadConversation](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation) | ` `[build](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#build())`() ` Builds a new unread conversation object. | | ` `[NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) | ` `[setLatestTimestamp](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#setLatestTimestamp(long))`(long timestamp) ` Sets the timestamp of the most recent message in an unread conversation. | | ` `[NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) | ` `[setReadPendingIntent](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#setReadPendingIntent(android.app.PendingIntent))`(`[PendingIntent](https://developer.android.com/reference/android/app/PendingIntent.html)` pendingIntent) ` Sets the pending intent that will be sent once the messages in this notification are read. | | ` `[NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) | ` `[setReplyAction](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#setReplyAction(android.app.PendingIntent, android.support.v4.app.RemoteInput))`(`[PendingIntent](https://developer.android.com/reference/android/app/PendingIntent.html)` pendingIntent, `[RemoteInput](https://developer.android.com/reference/android/support/v4/app/RemoteInput)` remoteInput) ` Sets the pending intent and remote input which will convey the reply to this notification. | | ### Inherited methods | |-----------------------|---| | [![](https://developer.android.com/static/assets/images/styles/disclosure_down.png)](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder#)From class` java.lang.Object ` |-------------------|-------------------------------| | ` Object` | ` clone() ` | | ` boolean` | ` equals(Object arg0) ` | | ` void` | ` finalize() ` | | ` final Class` | ` getClass() ` | | ` int` | ` hashCode() ` | | ` final void` | ` notify() ` | | ` final void` | ` notifyAll() ` | | ` String` | ` toString() ` | | ` final void` | ` wait(long arg0, int arg1) ` | | ` final void` | ` wait(long arg0) ` | | ` final void` | ` wait() ` | || ## Public constructors ### NotificationCompat.CarExtender.UnreadConversation.Builder added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` NotificationCompat.CarExtender.UnreadConversation.Builder (String name) ``` Constructs a new builder for[NotificationCompat.CarExtender.UnreadConversation](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation).
| Parameters || |--------|-------------------------------------------------------------------------| | `name` | `String`: The name of the other participant in the conversation.
| ## Public methods ### addMessage added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` NotificationCompat.CarExtender.UnreadConversation.Builder addMessage (String message) ``` Appends a new unread message to the list of messages for this conversation. The messages should be added from oldest to newest.
| Parameters || |-----------|------------------------------------------------------| | `message` | `String`: The text of the new unread message.
| | Returns || |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------| | [NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) | This object for method chaining.
| ### build added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` NotificationCompat.CarExtender.UnreadConversation build () ``` Builds a new unread conversation object.
| Returns || |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------| | [NotificationCompat.CarExtender.UnreadConversation](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation) | The new unread conversation object.
| ### setLatestTimestamp added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` NotificationCompat.CarExtender.UnreadConversation.Builder setLatestTimestamp (long timestamp) ``` Sets the timestamp of the most recent message in an unread conversation. If a messaging notification has been posted by your application and has not yet been cancelled, posting a later notification with the same id and tag but without a newer timestamp may result in Android Auto not displaying a heads up notification for the later notification.
| Parameters || |-------------|------------------------------------------------------------------------------| | `timestamp` | `long`: The timestamp of the most recent message in the conversation.
| | Returns || |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------| | [NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) | This object for method chaining.
| ### setReadPendingIntent added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` NotificationCompat.CarExtender.UnreadConversation.Builder setReadPendingIntent (PendingIntent pendingIntent) ``` Sets the pending intent that will be sent once the messages in this notification are read.
| Parameters || |-----------------|----------------------------------------------------| | `pendingIntent` | `PendingIntent`: The pending intent to use.
| | Returns || |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------| | [NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) | This object for method chaining.
| ### setReplyAction added in[version 22.1.0](https://developer.android.com/topic/libraries/support-library/revisions) ``` NotificationCompat.CarExtender.UnreadConversation.Builder setReplyAction (PendingIntent pendingIntent, RemoteInput remoteInput) ``` Sets the pending intent and remote input which will convey the reply to this notification.
| Parameters || |-----------------|--------------------------------------------------------------------------------| | `pendingIntent` | `PendingIntent`: The pending intent which will be triggered on a reply.
| | `remoteInput` | `RemoteInput`: The remote input parcelable which will carry the reply.
| | Returns || |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------| | [NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) | This object for method chaining.
| **See also:** - [getRemoteInput()](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation#getRemoteInput()) - [getReplyPendingIntent()](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation#getReplyPendingIntent()) - ## Annotations - [NotificationCompat.Action.SemanticAction](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action.SemanticAction) - ## Interfaces - [ActionBarDrawerToggle.Delegate](https://developer.android.com/reference/android/support/v4/app/ActionBarDrawerToggle.Delegate) - [ActionBarDrawerToggle.DelegateProvider](https://developer.android.com/reference/android/support/v4/app/ActionBarDrawerToggle.DelegateProvider) - [ActivityCompat.OnRequestPermissionsResultCallback](https://developer.android.com/reference/android/support/v4/app/ActivityCompat.OnRequestPermissionsResultCallback) - [ActivityCompat.PermissionCompatDelegate](https://developer.android.com/reference/android/support/v4/app/ActivityCompat.PermissionCompatDelegate) - [FragmentManager.BackStackEntry](https://developer.android.com/reference/android/support/v4/app/FragmentManager.BackStackEntry) - [FragmentManager.OnBackStackChangedListener](https://developer.android.com/reference/android/support/v4/app/FragmentManager.OnBackStackChangedListener) - [LoaderManager.LoaderCallbacks](https://developer.android.com/reference/android/support/v4/app/LoaderManager.LoaderCallbacks) - [NotificationCompat.Action.Extender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action.Extender) - [NotificationCompat.Extender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Extender) - [SharedElementCallback.OnSharedElementsReadyListener](https://developer.android.com/reference/android/support/v4/app/SharedElementCallback.OnSharedElementsReadyListener) - [TaskStackBuilder.SupportParentable](https://developer.android.com/reference/android/support/v4/app/TaskStackBuilder.SupportParentable) - ## Classes - [ActionBarDrawerToggle](https://developer.android.com/reference/android/support/v4/app/ActionBarDrawerToggle) - [ActivityCompat](https://developer.android.com/reference/android/support/v4/app/ActivityCompat) - [ActivityManagerCompat](https://developer.android.com/reference/android/support/v4/app/ActivityManagerCompat) - [ActivityOptionsCompat](https://developer.android.com/reference/android/support/v4/app/ActivityOptionsCompat) - [AlarmManagerCompat](https://developer.android.com/reference/android/support/v4/app/AlarmManagerCompat) - [AppLaunchChecker](https://developer.android.com/reference/android/support/v4/app/AppLaunchChecker) - [AppOpsManagerCompat](https://developer.android.com/reference/android/support/v4/app/AppOpsManagerCompat) - [BundleCompat](https://developer.android.com/reference/android/support/v4/app/BundleCompat) - [DialogFragment](https://developer.android.com/reference/android/support/v4/app/DialogFragment) - [Fragment](https://developer.android.com/reference/android/support/v4/app/Fragment) - [Fragment.SavedState](https://developer.android.com/reference/android/support/v4/app/Fragment.SavedState) - [FragmentActivity](https://developer.android.com/reference/android/support/v4/app/FragmentActivity) - [FragmentContainer](https://developer.android.com/reference/android/support/v4/app/FragmentContainer) - [FragmentController](https://developer.android.com/reference/android/support/v4/app/FragmentController) - [FragmentHostCallback](https://developer.android.com/reference/android/support/v4/app/FragmentHostCallback) - [FragmentManager](https://developer.android.com/reference/android/support/v4/app/FragmentManager) - [FragmentManager.FragmentLifecycleCallbacks](https://developer.android.com/reference/android/support/v4/app/FragmentManager.FragmentLifecycleCallbacks) - [FragmentManagerNonConfig](https://developer.android.com/reference/android/support/v4/app/FragmentManagerNonConfig) - [FragmentPagerAdapter](https://developer.android.com/reference/android/support/v4/app/FragmentPagerAdapter) - [FragmentStatePagerAdapter](https://developer.android.com/reference/android/support/v4/app/FragmentStatePagerAdapter) - [FragmentTabHost](https://developer.android.com/reference/android/support/v4/app/FragmentTabHost) - [FragmentTransaction](https://developer.android.com/reference/android/support/v4/app/FragmentTransaction) - [FrameMetricsAggregator](https://developer.android.com/reference/android/support/v4/app/FrameMetricsAggregator) - [JobIntentService](https://developer.android.com/reference/android/support/v4/app/JobIntentService) - [ListFragment](https://developer.android.com/reference/android/support/v4/app/ListFragment) - [LoaderManager](https://developer.android.com/reference/android/support/v4/app/LoaderManager) - [NavUtils](https://developer.android.com/reference/android/support/v4/app/NavUtils) - [NotificationCompat](https://developer.android.com/reference/android/support/v4/app/NotificationCompat) - [NotificationCompat.Action](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action) - [NotificationCompat.Action.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action.Builder) - [NotificationCompat.Action.WearableExtender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Action.WearableExtender) - [NotificationCompat.BigPictureStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.BigPictureStyle) - [NotificationCompat.BigTextStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.BigTextStyle) - [NotificationCompat.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder) - [NotificationCompat.CarExtender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender) - [NotificationCompat.CarExtender.UnreadConversation](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation) - [NotificationCompat.CarExtender.UnreadConversation.Builder](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.CarExtender.UnreadConversation.Builder) - [NotificationCompat.DecoratedCustomViewStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.DecoratedCustomViewStyle) - [NotificationCompat.InboxStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.InboxStyle) - [NotificationCompat.MessagingStyle](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.MessagingStyle) - [NotificationCompat.MessagingStyle.Message](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.MessagingStyle.Message) - [NotificationCompat.Style](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.Style) - [NotificationCompat.WearableExtender](https://developer.android.com/reference/android/support/v4/app/NotificationCompat.WearableExtender) - [NotificationCompatExtras](https://developer.android.com/reference/android/support/v4/app/NotificationCompatExtras) - [NotificationCompatSideChannelService](https://developer.android.com/reference/android/support/v4/app/NotificationCompatSideChannelService) - [NotificationManagerCompat](https://developer.android.com/reference/android/support/v4/app/NotificationManagerCompat) - [RemoteInput](https://developer.android.com/reference/android/support/v4/app/RemoteInput) - [RemoteInput.Builder](https://developer.android.com/reference/android/support/v4/app/RemoteInput.Builder) - [ServiceCompat](https://developer.android.com/reference/android/support/v4/app/ServiceCompat) - [ShareCompat](https://developer.android.com/reference/android/support/v4/app/ShareCompat) - [ShareCompat.IntentBuilder](https://developer.android.com/reference/android/support/v4/app/ShareCompat.IntentBuilder) - [ShareCompat.IntentReader](https://developer.android.com/reference/android/support/v4/app/ShareCompat.IntentReader) - [SharedElementCallback](https://developer.android.com/reference/android/support/v4/app/SharedElementCallback) - [TaskStackBuilder](https://developer.android.com/reference/android/support/v4/app/TaskStackBuilder) - ## Exceptions - [Fragment.InstantiationException](https://developer.android.com/reference/android/support/v4/app/Fragment.InstantiationException)