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Treble : Manufacturers to update devices to a new version of Android very easily

I am happy that google has introduces new framework where manufacturer can update OS very easily & test with new OS.

> The Android 8.0 release includes Project Treble.

> Android OS framework designed to make it easier, faster, and less costly for manufacturers to update devices to a new version of Android.

> Treble separates the vendor implementation (device-specific, lower-level software written by silicon manufacturers) from the Android OS framework via a new vendor interface.

> Android 7.x and earlier, no formal vendor interface exists so device makers must update large portions of the Android code to move a device to a newer version of Android

> With Treble, a new stable vendor interface provides access to the hardware-specific parts of Android, enabling device makers to deliver new Android releases simply by updating the Android OS framework—without any additional work required from the silicon manufacturers


For details on the new Treble architecture, see the following sections:

  • HAL Types. Describes binderized, passthrough, Same-Process (SP), and legacy HALs.
  • HIDL (General). Contains general information about the HAL interface definition language (HIDL, pronounced "hide-l"), which is an interface description language (IDL) to specify the interface between a HAL and its users.
  • HIDL (C++). Contains details for creating C++ implementations of HIDL interfaces.
  • HIDL (Java). Contains details about the Java frontend for HIDL interfaces.
  • ConfigStore HAL. Describes the ConfigStore HAL, which provides a set of APIs for accessing read-only configuration items used to configure the Android framework.
  • Device Tree Overlays. Provides details on using device tree overlays (DTOs) in Android.
  • Vendor Native Development Kit (VNDK). Describes the VNDK, which is a set of libraries exclusively for vendors to implement their HALs.
  • Vendor Interface Object (VINTF). VINTF objects aggregate relevant information about a device and make that information available through a queryable API.
  • SELinux for Android 8.0. Details SELinux changes and customizations.

Hopefully manufacturers provide the updates as early as possible.

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