Recent smartphones comes with base storage of 16GB or higher variants.

But storage is still much of a contention point when it comes to app sizes. Latest apps are getting larger in size, while phones with 64GB of storage may not think twice about installing an app over 100MB, those with lower-end devices and limited storage could find their smartphones running out of space very quickly.

How Android 8.1 reduces app size

New mechanism in Android 8.1 Oreo automatically reduces phone internal memory by downgrading cache sizes of inactive apps.

An October 31 commit to the Android Open Source Project (AOSP) framework describes a feature that triggers automatically when a device is running low on space.

Which applications will be considered as inactive?

Android will consider application as inactive if user will not use it in an specific time window. All apps that Android considers as not recently used in the foreground or by packages in the background will be optimized.

In Android 8.1, inactive applications do not run through dexopt, the Android tool that optimizes .dex files to produce an .odex file. As a result, they don’t take up space in the Dalvik compiler’s cache and therefore don’t take up valuable resources.

Applications will take up same amount of install space by limiting the cache side and will reduce total space.

This feature is still part of Android 8.1 and likelihood of devices that would benefit from it is pretty small. At least things are moving in the right direction.

In recent future we will see this feature on many devices that could save the extra space.

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