1. Android 1.0 :
Android 1.0 is the very first version of Android which was introduced by Google. It had some basic features including web browser support, camera support, Gmail accounts, Google maps and Youtube application. Although it does not have the official version name like further introduces versions but unofficially it is called Apple Pie. The API level in Android 1.0 version is 1. It is not used anymore in the mobile devices. It was released on 23 September 2008.
2. Android 4.1.2 :
Android 4.1.2 is next version of Android after Android 4.1.1 which was introduced by Google. It has all the features of its previous versions and some new features were added and some bugs were fixed in this version. Key user feature like home screen rotation was introduced in this version. Various bugs were fixed in this version and performance was enhanced. No new developer feature was added in this version. Its version name is Jelly Bean. The API level in Android 4.1.2 is 16. It was released on 09 October 2012.
Difference between Android 1.0 and Android 4.1.2 :
|S.No.||ANDROID 1.0||ANDROID 4.1.2|
|1.||It is the first version of Android.||It is the next version of Android after Android 4.1.1.|
|2.||It is predecessor to Android 1.1.||It is predecessor to Android 4.2 and successor to Android 4.1.1.|
|3.||It was released on 23 September 2008.||It was released on 09 October 2012.|
|4.||The API level in Android 1.0 version is 1.||The API level in Android 4.1.2 version is 16.|
|5.||It has 0 % android market share.||It has 1.2 % android market share.|
|6.||It does not have official version name.||It has official version name like its other previous versions.|
|7.||It has unofficial version name ‘Apple Pie’.||It has official version name ‘Jelly Bean’.|
|8.||It had limited basic features like google maps, gmail, web browser, camera and youtube.||It had all features of previous versions and some new feature were added and improvements were made in this version.|
|9.||It had several bugs hence it had low performance.||Several bugs were fixed in this version to enhance the performance.|
|10.||It did not have home screen rotation feature.||Home screen rotation feature was introduced in this version.|