Data binding library. Lifecycle-aware components. Paging Library. Paging 2. Data layer libraries. How-To Guides. Advanced Concepts. Threading in WorkManager. App entry points. App shortcuts. App navigation. Navigation component. App links. Dependency injection. Core topics. App compatibility. Interact with other apps. Package visibility. Intents and intent filters.
User interface. Add motion to your layout with MotionLayout. MotionLayout XML reference. Improving layout performance. Custom view components. Look and feel. Splash screens. Add the app bar.
Control the system UI visibility. Supporting swipe-to-refresh. Pop-up messages overview. Adding search functionality. Creating backward-compatible UIs.
Home channels for mobile apps. App widgets. Media app architecture. Building an audio app. Building a video app. The Google Assistant. Routing between devices. Background tasks. Manage device awake state. Save to shared storage. Save data in a local database.
Sharing simple data. Sharing files. Sharing files with NFC. Printing files. Content providers. Autofill framework. Contacts provider. Data backup. Remember and authenticate users. User location. Using touch gestures. Handling keyboard input. Supporting game controllers.
Input method editors. Performing network operations. Transmit network data using Volley. Perform network operations using Cronet. Transferring data without draining the battery. Reduce network battery drain.
Transfer data using Sync Adapters. Bluetooth Low Energy. Wi-Fi infrastructure. Discover and connect. Runtime API reference. Web-based content. You can also create an expandable notification with an image, in inbox style, a chat conversation, or media playback controls. For more information, read Create an Expandable Notification. To avoid bombarding your users with multiple or redundant notifications when you have additional updates, you should consider updating an existing notification rather than issuing a new one, or consider using the inbox-style notification to show conversation updates.
However, if it's necessary to deliver multiple notifications, you should consider grouping those separate notifications into a group available on Android 7. A notification group allows you to collapse multiple notifications into just one post in the notification drawer, with a summary.
The user can then expand the notification to reveal the details for each individual notification. The user can progressively expand the notification group and each notification within it for more details. Figure A collapsed and expanded notification group. To learn how to add notifications to a group, see Create a Group of Notifications. Starting in Android 8. By categorizing notifications into channels, users can disable specific notification channels for your app instead of disabling all your notifications , and users can control the visual and auditory options for each channel—all from the Android system settings figure Users can also long-press a notification to change behaviors for the associated channel.
On devices running Android 7. Notification settings for Clock app and one of its channels. One app can have multiple notification channels—a separate channel for each type of notification the app issues. An app can also create notification channels in response to choices made by users of your app. For example, you may set up separate notification channels for each conversation group created by a user in a messaging app.
The channel is also where you specify the importance level for your notifications on Android 8. So all notifications posted to the same notification channel have the same behavior. For more information, see Create and Manage Notification Channels.
Android uses the importance of a notification to determine how much the notification should interrupt the user visually and audibly. The higher the importance of a notification, the more interruptive the notification will be. On Android 8. Users can change the importance of a notification channel in the system settings figure On Android 7.
Users can change the importance of each channel on Android 8. All notifications, regardless of importance, appear in non-interruptive system UI locations, such as in the notification drawer and as a badge on the launcher icon though you can modify the appearance of the notification badge. For more information, see how to set the importance. Starting in Android 5.
Notifications still appear in the system UI as normal, unless the user specifies otherwise. Users can can allow notifications through based on system-wide categories left and based on who sent a message or who is calling right. For example, a payment app might have channels for notifications related to withdrawals and deposits. The user can then choose to allow either withdrawal notifications, deposit notifications, or both when in priority mode. To properly configure your notifications for these user settings, you must set a system-wide category and channel.
A notification is required when your app is running a "foreground service"—a Service running in the background that's long living and noticeable to the user, such as a media player. This notification cannot be dismissed like other notifications. To remove the notification, the service must be either stopped or removed from the "foreground" state.
For more information read Running a service in the foreground. And if you are building a media player, also read Using MediaStyle notifications with a foreground service. Beginning with Android 8. If your app posts multiple notifications in one second, they all appear as expected, but only the first notification per second makes a sound. However, Android also applies a rate limit when updating a notification. If you post updates to a single notification too frequently many in less than one second , the system might drop some updates.
Since Android 1. NotificationCompat is updated as the platform evolves to include the latest methods. It is important to note that the availability of a method in NotificationCompat does not guarantee that the corresponding feature will be provided on older devices. In some cases calling a newly-introduced API results in a no-op on older devices. For example, NotificationCompat.
Content and code samples on this page are subject to the licenses described in the Content License. App Basics. Build your first app. App resources. Resource types. App manifest file. Device compatibility. Multiple APK support.
Tablets, large screens, and foldables. Build responsive UIs. Build for foldables. Getting started. Handling data. User input.
Watch Face Studio. Health services. Creating watch faces. Android TV. Build TV Apps. Build TV playback apps. Help users find content on TV. Recommend TV content.
Watch Next. Build TV games. Build TV input services. TV Accessibility. Then tap the Notifications folder. If your phone doesn't allow you to select MP3 files as notifications and ringtones, you can convert them to WAV files using a computer or use an online converter to convert the files to an OGG or WAV files. Tap Save or OK. This is only necessary on some Androids—others automatically change the notification tone as soon as you tap it.
Method 3. One of these options will display a list of apps on your Android. If you see a "Notifications" option in the Settings menu, tap that option first. If you don't see that option, tap Apps instead. Tap the name of the app you want to edit. This opens an information page about the app.
If you only see a few apps listed, tap See all below the apps list. Tap Notifications. If notifications can be changed for this app, this option will be under the "Notifications" option. Tap a notification category.
Depending on the app, you may be able to set different notification sounds for different functions of the app. For example, if you're editing Samsung Notes, you can set different sounds for syncing, importing data, and other features. Tap Sound. You may have to tap Alert or Advanced first. A list of sounds will appear. Tapping a sound will both select it and play a preview.
Tap OK or Save when you're satisfied. If no such option appears, just tap the back button and you're good to go. Method 4. Open your text messaging app. The steps to assign different notification sounds to different contacts are a little different depending on the app you're using. We'll cover two of the most popular texting options: Google Messages and Samsung Messages. Other platforms should be similar.
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