"base.apk" is the Android application installation package; no matter what application is uploaded through QQ, it will become base.apk; game hangs, lock screen applications, and system level are all bask.apk; it is an Android application installation package. You need to install it on an Android phone to determine what application it is.
Note: The suffix of the software uploaded from the computer to the mobile phone is lnk, as shown in the figure
Expansion:
In the early days of Android, it was developed by the "Father of Android" Founded by Andy Rubin, known as Google, Google acquired Android, a high-tech company that was only 22 months old, in 2005. It launched SMS, mobile phone retrieval, positioning and other businesses, and entered into the development of a general platform based on Linux.
Android is a free and open source operating system based on Linux. Android is divided into four layers. From high to low, they are the application layer, the application framework layer, the system runtime layer and Linux. Kernel layer.
Android has four basic components: Activity, Service, Broadcast Receivet, and Content Provider. Activity is the most basic of the four components, but basic does not mean simple or unimportant. On the contrary, Activity is a basic component. Learning Activity well is the prerequisite for our developers to learn Android well. [3]
As an important part of Google's corporate strategy, Android will further promote the realization of the corporate goal of "providing information to everyone anytime, anywhere". We found that a huge number of mobile phone users around the world have never used any Android-based phone. Google's goal is to make (mobile communications) independent of device or even platform. To this end, Android will complement, not replace, Google's long-standing mobile strategy: to develop mobile services that are both useful and engaging by partnering with phone manufacturers and mobile operators around the world. and promote these products.
Features
(1) The system is open source. Android uses the Linux kernel at the bottom level and uses the GPL license, which means that the relevant code must be open source. Google releases the source code of Android under the authorization of the Apache open source license, allowing other mobile phone manufacturers to directly use the existing operating system, and allows each manufacturer to customize it according to their own purposes.
(2) Cross-platform features. Android is written in Java language and inherits the cross-platform characteristics of Java. Any Android application can run on all Android devices with almost no processing required. This means that each operator can freely use various forms of hardware devices, not limited to traditional mobile devices such as mobile phones and tablets. TVs and various smart homes can all use the Android system.
(3) Rich applications. The open source nature of the Android system has attracted many developers to develop a variety of application software for the platform. The wide range of application sources makes it easier for users to obtain the applications they want. The solid consumer base allows developers to have Motivation to develop more and better application software.
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