Android 1.0和Android 4.0之间的区别

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 4.0：
Android 4.0是Google推出的“蜂窝”之后的下一个Android版本。此版本中引入了一些主要的用户功能，例如新的锁定屏幕操作，改进的文本输入和拼写检查，对网络数据的控制，EAS v14支持电子邮件应用程序和WI-FI direct。在此版本中添加了关键的开发人员功能，例如低级流多媒体，网格布局，拼写检查服务，地址空间布局随机化，VPN客户端API，启用/禁用远程设备摄像头，ZSL曝光，连续对焦和图像缩放。它的版本名称是Ice Cream Sandwich 。 Android 4.0中的API级别为14。它于2011年10月18日发布。

Android 1.0和Android 4.0之间的区别：

S.No.	ANDROID 1.0	ANDROID 4.0
1.	It is the first version of Android.	It is the next version of Android after ‘Honeycomb’.
2.	It is predecessor to Android 1.1.	It is predecessor to Android 4.0.1.
3.	It was released on 23 September 2008.	It was released on 18 October 2011.
4.	The API level in Android 1.0 version is 1.	The API level in Android 4.0 version is 14.
5.	It did not have developer features.	Some major developer features were added in this version.
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 ‘Ice Cream Sandwich’.
8.	It had limited basic features like google maps, gmail, web browser, camera and youtube.	It had all features of previous versions and some key user and developer features were added in this version.
9.	It did not have WiFi direct.	WiFi direct was introduced in this version.
10.	It did not have lock screen actions.	New lock screen actions were added in this version.

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