더 많은 사용자를 위한 개발 - 구글 개발자 블로그

원글: http://android-developers.blogspot.kr/2016/06/building-for-billions.html

구글 개발자 코리아 블로그 글
http://googledevkr.blogspot.kr/2016/07/building-for-billions.html

좋은 이야기인 것 같습니다.
사용자들이 좋은 환경에서 잘 사용해야 좋은 앱이지요!

블로그 글의 내용은

- 느린 인터넷 및 오프라인 상태에서 올바르게 동작하기
- 정확히 상황에 들어맞는 올바른 콘텐츠 제공
- 모바일 하드웨어를 위한 최적화
- 배터리 소모 절감
- 데이터 사용량 절약

해당 내용은
구글 빌리온즈 (https://developers.google.com/billions/) 에서 볼 수 있습니다.

웹에 대한 내용은
https://developers.google.com/web/billions/

안드로이드에 대한 내용은
https://developer.android.com/distribute/essentials/quality/billions.html

Coding With Chrome

http://codingwithchrome.foo/



we can learn using chrome extension program.

link here : https://chrome.google.com/webstore/detail/coding-with-chrome/becloognjehhioodmnimnehjcibkloed

And you can contribute this project on GitHub
https://github.com/google/coding-with-chrome/

First, this program UI like this.



So Simple. i clicked Beginner in this posting.
And we see this screen below.




1. Blockly
Blockly menu likes scratch i think.






2. Robots
Robots menu likes scratch same as blockly.
but this menu can be used robot control.



first ev3 menu can use if you have ev3 robot. (when i use program, can not use it)
so, i'll show you sphero menu.





Start!

<Youtube information video>

This program good to learn coding.
gooooood

Google Web PageSpeed tool

About Page: https://developers.google.com/speed/pagespeed/

Do Page: https://developers.google.com/speed/pagespeed/insights/

Enter a web page URL
In my case, i enter my blog.

Pagespeed insight shows result like this.

I will fix some issues for my blog. :)

good service of webpage

Device Art Generator - Google developers

http://developer.android.com/intl/ko/distribute/tools/promote/device-art.html

I find the solutions for making publishing app image.
use app screenshot, you can make app screenshot image with devices.
I can use to google play store.

you can drag to device image.
and change image to device image

source image

result image

It is good for me to publish app!