Taking the Ks off your APKs - Rotem Mizrachi-Meidan, Everything.me

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This document discusses reducing the size of Android app packages (APKs). It begins by noting an app was originally 19MB but needed to be reduced given data constraints faced by global users. Through techniques like ProGuard, splitting code by architecture and density, removing unnecessary native libraries, optimizing images, and metrics tracking, the app size was successfully reduced to 7.5MB. The document encourages measuring optimizations and announces the company is hiring for various developer roles.

Hello!
I am Rotem
Mizrachi Meidan
Android Infra @EverythingMe
@rotemmiz

EverythingMe
Launcher
One tap access to everything you need -
people, apps & content.
Internal SDKs
- contextual engine
- discovery engine
In active development for 2+ years

Wake up!
▷ Features added
▷ 10+ devs, 1 cup
▷ Native libs and code
▷ 450,459 lines of code (~)

19MB is TOO MUCH for any app
Especially one that grows globally -
data plans, slow network, etc..
Reality

19
18
Time
18
15
14 14
13
Universal size 19 to 13
MB

19
18
15
11
10
8
7.5
Time
User-facing size 19 to 7.5
MB

19
18
15
11
10
8
7.5
Time
MB
Starting point

19
15
11
10
8
7.5
Time
MB
Split by CPU arch. (native code split)
18

19
11
10
8
7.5
Time
MB
Remove native lib (realm)18
15

DB gets/puts Benchmark
(HTC One M7)
get put

19
8
7.5
Time
MB
Split by density /
form factor
18
15
11
10

Splits:revisited
20 phone APKs
20 tablet APKs
Google Play Developer Console

Thanks!
We’re HIRING!
rotem@everything.me
jobs@everything.me
Android Developers
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Taking the Ks off your APKs - Rotem Mizrachi-Meidan, Everything.me

1. Taking the Ks off your APKs 19MB 7.5MB

2. Hello! I am Rotem Mizrachi Meidan Android Infra @EverythingMe @rotemmiz

3. EverythingMe Launcher One tap access to everything you need - people, apps & content. Internal SDKs - contextual engine - discovery engine In active development for 2+ years

4. We weren’t paying attention

5. Wake up! ▷ Features added ▷ 10+ devs, 1 cup ▷ Native libs and code ▷ 450,459 lines of code (~)

6. Facing Reality 19MB

7. 19MB is TOO MUCH for any app Especially one that grows globally - data plans, slow network, etc.. Reality

8. CHARGE!

9. 19 18 Time 18 15 14 14 13 Universal size 19 to 13 MB

10. 19 18 15 11 10 8 7.5 Time User-facing size 19 to 7.5 MB

11. 19 18 15 11 10 8 7.5 Time MB Starting point

12. 19 18 15 11 10 8 7.5 Time MB Proguard

13. Proguard basics

14. Recat

15. Recat