1. Android 1.0：
Android 1.0是Google推出的第一个Android版本。它具有一些基本功能，包括Web浏览器支持，相机支持，Gmail帐户，Google地图和Youtube应用程序。尽管它没有正式的版本名称(如进一步介绍的版本)，但非官方地将其称为Apple Pie 。 Android 1.0版本中的API级别为1。在移动设备中不再使用它。它于2008年9月23日发布。
2. Android 4.1：
Android 4.1是Google推出的Android 4.0.4之后的下一个Android版本。此版本引入了关键用户功能，例如Google Now，语音搜索，速度增强，相机应用程序改进，可访问性，手势模式和启用盲文外部键盘。重要的开发人员功能，例如应用程序堆栈导航，MediaActionSound类，使声音听起来像照相机拍照时一样，NFC支持蓝牙上的大量有效负载，此版本中添加了WIFI / WIFI-Direct服务发现和多动作通知。它的版本名称是Jelly Bean 。 Android 4.1中的API级别为16。它于2012年7月9日发布。
Android 1.0和Android 4.1之间的区别：
| S.No. | ANDROID 1.0 | ANDROID 4.1 |
|---|---|---|
| 1. | It is the first version of Android. | It is the next version of Android after Android 4.0.4. |
| 2. | It is predecessor to Android 1.1. | It is predecessor to Android 4.1.1 and successor to Android 4.0.4. |
| 3. | It was released on 23 September 2008. | It was released on 09 July 2012. |
| 4. | The API level in Android 1.0 version is 1. | The API level in Android 4.1 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 key features were added in this version. |
| 9. | It did not have voice search feature. | Voice search feature was added in this version. |
| 10. | It has simple camera support. | Updated camera application improvements were done in this version. |
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