Following up...

For Wikipedia Zero tagged Wikipedia for Android access, looking at days from August 20-26, it looks like about somewhere between 14.8% and 16.6% of pageviews are on Android 2.3-4.0. [1]

Wikipedia Zero tagged Wikipedia for Android access constitutes about 5.3% of the overall Wikipedia for Android app pageviews, based on a week of pageviews from August 20-26.

-Adam

[1]

select day, user_agent_map['os_major'], user_agent_map['os_minor'], sum(view_count) from wmf.pageview_hourly where
year = 2015 and month = 8 and day > 19 and day < 27
and access_method = 'mobile app'
and zero_carrier is not null
and user_agent_map['os_family'] = 'Android'
group by day, user_agent_map['os_major'], user_agent_map['os_minor'];

[2]

select sum(view_count)

from wmf.pageview_hourly

where year = 2015 and month = 8 and day > 19 and day < 27

and access_method = 'mobile app'

and user_agent_map['os_family'] = 'Android'

and zero_carrier is null;

36197035

select sum(view_count)

from wmf.pageview_hourly

where year = 2015 and month = 8 and day > 19 and day < 27

and access_method = 'mobile app'

and user_agent_map['os_family'] = 'Android'

and zero_carrier is not null;

2032938

2032938 / (2032938 + 36197035) = 0.05317654815

On Thu, Aug 27, 2015 at 4:43 PM, Adam Baso <abaso@wikimedia.org> wrote:

I think I can get this in Hadoop. Will get back on thread.

On Thu, Aug 27, 2015 at 3:22 PM, Pine W <wiki.pine@gmail.com> wrote:

Just to check: what percentage of Wikipedia Zero users are running Android legacy OS versions?

Pine

On Aug 27, 2015 12:49 PM, "Stephen Niedzielski" <sniedzielski@wikimedia.org> wrote:

The WMF Android App team will be ceasing active support for older

devices soon, namely devices that run Android 4.0 (Ice Cream Sandwich)

or older. Our final legacy device release is expected in mid to late

September[0]. This release will remain available on the Google Play

Store for devices running Android 2.3 (Gingerbread) through 4.0 (Ice

Cream Sandwich). However, future releases will only target devices

running Android 4.0.3 (Ice Cream Sandwich MR1) and higher. [1]

* Why this is happening

  Devices running Android versions older than 4.0.3 make up less than

  8%[2] of the Wikipedia for Android install base, and supporting older

  devices requires disproportionate developer time and effort. Focusing

  our efforts on the most recent and widely used versions will allow us

  to provide a faster, more stable, and more delightful Wikipedia

  experience.

* What this means for older devices

  Enjoy a stable and beautiful legacy release for as long as you wish.

  When you're ready for a new device, a sleek and modern app awaits you.

* What this means for all other devices

  Reap the benefits of a Wikipedia for Android experience built to take

  advantage of the latest and greatest Android technology available.

-The Wikimedia Android team

[0] This will be the final planned legacy device release. Allowances

    will be made to enable back support patches of critical issues.

[1] https://source.android.com/source/build-numbers.html

[2] Google Play Developer Console, Current Installs by Device on August

    20, 2015.

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