Call the isVoiceInteraction method to determine if a voice action triggered your activity. If so, your app can use the VoiceInteractor class to request a voice confirmation from the user, select from a list of options, and more. Most voice interactions originate from a user voice action.
A voice interaction activity can also, however, start without user input. For example, another app launched through a voice interaction can also send an intent to launch a voice interaction. To determine if your activity launched from a user voice query or from another voice interaction app, call the isVoiceInteractionRoot method. If another app launched your activity, the method returns false. Your app may then prompt the user to confirm that they intended this action. To learn more about implementing voice actions, see the Voice Actions developer site.
This release offers a new way for users to engage with your apps through an assistant. To use this feature, the user must enable the assistant to use the current context.
Once enabled, the user can summon the assistant within any app, by long-pressing on the Home button. In addition to the standard set of information that the platform passes to the assistant, your app can share additional information by using the new AssistContent class.
With this release, users can adopt external storage devices such as SD cards. Adopting an external storage device encrypts and formats the device to behave like internal storage. This feature allows users to move both apps and private data of those apps between storage devices. When moving apps, the system respects the android:installLocation preference in the manifest.
If your app accesses the following APIs or fields, be aware that the file paths they return will dynamically change when the app is moved between internal and external storage devices. When building file paths, it is strongly recommended that you always call these APIs dynamically. This release provides improved support for user input using a Bluetooth stylus.
Users can pair and connect a compatible Bluetooth stylus with their phone or tablet. While connected, position information from the touch screen is fused with pressure and button information from the stylus to provide a greater range of expression than with the touch screen alone.
Your app can listen for stylus button presses and perform secondary actions, by registering View. OnContextClickListener objects in your activity. Use the MotionEvent methods and constants to detect stylus button interactions:. If your app performs performs Bluetooth Low Energy scans, use the new setCallbackType method to specify that you want the system to notify callbacks when it first finds, or sees after a long time, an advertisement packet matching the set ScanFilter.
This release adds support for the Hotspot 2. To provision Hotspot 2. The new isPasspointNetwork method indicates if a detected network represents a Hotspot 2. The platform now allows apps to request that the display resolution be upgraded to 4K rendering on compatible hardware. To query the current physical resolution, use the new Display. Mode APIs. If the UI is drawn at a lower logical resolution and is upscaled to a larger physical resolution, be aware that the physical resolution the getPhysicalWidth method returns may differ from the logical resolution reported by getSize.
This feature is useful if you want to switch to 4K display resolution. While in 4K display mode, the UI continues to be rendered at the original resolution such as p and is upscaled to 4K, but SurfaceView objects may show content at the native resolution. Step 2 : Click on Tools options in Android toolbar. Step 3 : Android studio will show you an pop up window. Select SDK Platforms. Step 6 : Android Studio will show you another window. Using Android APIs 8. You may not modify, rent, lease, loan, sell, distribute or create derivative works based on this data either in whole or in part unless allowed by the relevant Terms of Service.
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You may not modify, rent, lease, loan, sell, distribute or create derivative works based on this data either in whole or in part unless allowed by the relevant Terms of Service.
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