• android 2.0/2.1 is Eclair （松饼） • Dynamic desktop（动态壁纸） is used.
• android 2.2 is Froyo （冻酸奶） • you can install your software into your SD xxxxxxxxxxxxx card.
The end
15
16 17 18 TBA
There are something funny that Google use the names of dessert to name after each edition of android. Android 1.5 is Cupcake(纸杯蛋糕)
• Android 1.6 is Donut (甜甜圈) • now you can use CDMA UIM card(电信制 式) and VPN（代理）
API level
2.3–2.3.2
3.1 3.2
December 6, 2010
May 10, 2011 July 15, 2011
9
12 13
4.0.3–4.0.4
4.1.x 4.2.x 4.3 4.4
December 16, 2011
July 9, 2012 November 13, 2012 July 24, 2013 TBA
Zero costs to begin development. The
development tools are free to download, and Google only charges a small fee to distribute applications on the Android Market. Freedom to innovate. The Android OS is an open-source platform based on the Linux kernel and multiple open-source libraries. In addition to building applications to run on Android devices, developers are free to contribute to or extend the platform as well.
Android
nowadays，more and more people use the Android smartphone. But maybe there is something you don't know. 江南大学
计科1302 吴沅宣
"android"=?
• As we all know that android is a oprate system(OS),but it's original idea is robot which fairly like human being, just like the word "Humanoid"
So,where does it come from?
• the father of Android is Andy Rubin. He founded Android Inc in 2003 Google acquired Android Inc, on 2005. • Not much was known about Android Inc. at the time of the acquisition, but many assumed that Google was planning to enter the mobile . • Only 2 years latar Google makes it become popular.
Let's See Its Developing History
Version 1.5 1.6 2.0–2.1 2.2 2.3.3–2.3.7
Release date April 30, 2009 September 15, 2009 October 26, 2009 May 20, 2010 February 9, 2011 3 4 7 8 10
• android 2.3 is Gingerbread （姜饼） • Screenshot is supported.
ቤተ መጻሕፍቲ ባይዱ
• android 3.0 is honeycomb （蜂巢） • it is for pad only and have to pay.
• android 4.0 is Ice Cream Sandwich （冰激 凌三明治） • android 4.0 (for free) integrate PAD and PHONE,so many company use android 4.0 rather than 3.0.
• android 4.1/4.2/4.3 is Jelly Bean （果冻豆） • Since android 4.1,google begin Project Butter which make it more smooth.
Distribution of each edition
Advantages of Andriod