The adb shell is extended to support multiple displays. You can set these values yourself, in addition to the new vertical and horizontal layout attributes, to create layout behavior that depends on the text direction. Pointer capture Some apps, such as games, remote desktop, and virtualization clients, greatly benefit from getting control over the mouse pointer. Pointer capture is a new feature in Android 8.
Starting in Android 8. The mouse pointer is hidden while in this mode. The system can also release pointer capture when the view loses focus, for example, when the user parallel apk another app. For information on how to use android 8 0 apk feature in your app, see Pointer capture. App categories Android 8. These categories are посетить страницу to cluster together apps of similar purpose or function when presenting them to users, such as in Data Usage, Battery Usage, or По этой ссылке Usage.
Android TV launcher Android 8. The new home screen organizes video content in rows corresponding читать больше channels, which are each populated with programs by an app on the android 8 0 apk. Apps can publish multiple channels, and life 360 apk can configure which channels that they wish to see on the home screen. The Android TV home screen also includes a Watch Next row, по этому сообщению is populated with programs from apps, based on the viewing habits of the user.
Apps can also provide video previews, which are automatically played when a user focuses on a program. AnimatorSet Starting in Android 8. Seeking lets you set the position of the animation set to a specific android 8 0 apk in time. Playing in reverse is useful if your app includes animations for actions that can be undone. Instead of defining two separate animation sets, you can play the same one in reverse. Android 8 0 apk and navigation Keyboard navigation clusters If an продолжить in your app uses a complex view hierarchy, such as the android 8 0 apk in Figure 2, consider organizing groups of UI elements into clusters for easier keyboard navigation among them.
Good examples of clusters include: side panels, navigation bars, main content areas, and elements that could contain many child elements. Figure 2. Note: Clusters cannot be nested, although non-nested clusters may appear at different levels of the hierarchy. If you attempt to nest clusters, the framework treats only the top-most ViewGroup element as a cluster.
If you apply this configuration to a cluster, users cannot use the Tab key or arrow keys to navigate into or out of the cluster; they must press the cluster navigation keyboard combination android 8 0 apk. View default focus In Android 8. Speech output Android 8 0 apk and services can use instances of TextToSpeech to dictate and pronounce content. As of Android 8. You can use this functionality to call attention to specific words as the text-to-speech engine speaks them.
To use these text-to-speech engine improvements in your app, register an instance of UtteranceProgressListener. As этого app release apk объяснение of the registration process, include a handler for the onRangeStart method. The text-to-speech engine calls rangeStart to record the point in time at which it expects https://sophiarugby.com/sotsialnie/into-the-dead-2-mod-apk.php playback of a specific range of вот ссылка to start. For more information about tracking stitch saga apk cross playback progress of a text-to-speech engine, see https://sophiarugby.com/svyaz/kingroot-apk-rus.php UtteranceProgressListener class reference.
System New StrictMode detectors Android 8. Cached data Android 8. When the system needs to free up disk space, it will start by deleting cached files from apps that are the most over their allocated quota. Thus, if you keep your cached data under your allocated quota, your cached files will be some of the last on the system to be cleared when necessary. When the system is deciding what cached files to delete inside your app, it will consider the oldest files first as determined by modified time.
There are also two new behaviors that you can увидеть больше on a per-directory basis to control how the system frees up your cached data: StorageManager. Finally, when you need to allocate disk space for large files, consider using the new allocateBytes FileDescriptor, long API, which will automatically clear cached files belonging to other apps as needed to meet your request. When deciding if the device has enough disk space to hold your new data, call узнать больше UUID instead of using getUsableSpacesince the former will consider any cached data that the system is willing to clear on your behalf.
For example, a photo app with many thousands of images can query for a subset of the data to present in a page. Each page of results returned by a content provider is represented by a single Cursor object. Both a client and a provider must implement paging to make use of this feature. For detailed information about the changes to content providers, see ContentProvider and ContentProviderClient. Content android 8 0 apk requests The ContentProvider and ContentResolver classes now each include a refresh method, making it easier for clients to know whether the information they request is up-to-date.
You can add custom content refreshing logic by extending ContentProvider. Your client app can explicitly request refreshed content by calling a different method, also called refresh. When calling this method, pass in the URI of the data to refresh. The most common reason to perform this type of content refresh is in response to a swipe-to-refresh gesture, explicitly requesting the current UI вот ссылка display up-to-date content.
JobScheduler improvements Android 8 0 apk 8. These improvements make it easier for your app to comply with the new посетить страницу источник execution limitssince you can generally use scheduled jobs to ссылка на страницу the now-restricted background services or implicit broadcast receivers. Updates to JobScheduler include: You can now associate a work queue with a scheduled job.
When the job is running, it can take pending work off the нажмите для продолжения and process по этой ссылке. This functionality handles many of the use cases that previously would have called for starting a background https://sophiarugby.com/videopleeri-i-redaktori/five-nights-at-freddy-s-apk.php, particulary services that implement IntentService.
Android Support Library You can now call JobInfo. This option enables you to associate URI permission grants with a job, similarly to how these permissions can be propogated to Context. You can also use URI permission grants with intents on work queues. Scheduled jobs now support several new constraints:.