What is APK Files how to install it.

Android apk is now very popular a smart phone, the application is also very much, there are many ways to install. Here we tell you how to open APK file and how to install Free APK file. The software extension format on the Android system is “.APK”. If you download the software is RAR or ZIP, then open the compressed package, and then we look at it is not an apk file structure, if only one APK file to extract it out, or the compressed file extension directly to “.APK”. APK format application we can go to the Internet to download.

1, ready to set up

in the installation of APK file game hacker apk before we first have a series of settings on the phone. First, we first click on the phone “Settings” to enter, and then click “Application” option, in the open menu will be “unknown source” option check. And then enter the “development” sub-option, check the “USB debugging” option. So we finished the phone set up.

  After completing the above steps, we can install the APK file in several ways.
2, Method 1:

We find the electronic market in the mobile phone to enter, and then we search the needs of the application, you can also download the electronic market recommended some applications, find the needs of the application, we can click to download, download, we must To ensure that the phone can connect to the Internet, where the recommended use of WIFI connection download, because Andrews application is generally larger, so the use of WIFI download will be much faster, after the download is complete, the system will prompt us to install, we click on the installation will automatically give us to install , After the installation is complete, we return to the system menu, you can see we have just downloaded the installation of the application.

  3, Method 2:

If your phone does not network, we can also be installed through the computer APK spotify premium apk file to the phone, we can use third-party PC-side mobile phone manager to install, and now this third-party software is very much, the user You can choose according to their own preferences, the mainstream pea pod mobile phone wizard and 91 mobile assistant.

  We use the USB cable to connect the phone to the computer and then open the pea pod software. Our pea pods will automatically recognize our Android phone. After the connection is complete, we can search for the software we need in the application, then click to download and download After the completion of the pea pod will automatically install for us, after installation freedom apk , we unplug the data line, in the mobile phone desktop above you can see the application.

APK is an abbreviation for Android Package, the Android installation package (APK). APK file box Symbian Sis or Sisx file format is similar.  Free APK files freedom apk and many more are passed directly to the Android emulator or Android phone, and then executed and installed. APK files and SIS, like, the Android Sdk compiled works packaged into an installation program file, the file format for the APK. APK file is a ZIP format of a compressed package, but the suffix is ​​modified to APK, UnZip extract, we can see Dex file, Dex is Dalvik VMexecutes full name, that is, Android Dalvik implementation of the program, not Java ME bytes But Dalvik byte code. In the Android platform dalvikvm executable file is packaged into APK format, the final run will be decompressed by the loader and then get the compiled android manifest.xml file permission branch related security access, but still have a lot of restrictions, if you The APK file will be passed to the / system / app folder will find the implementation is not restricted. The installation of the file may not be this folder, and in the Android Rom system APK file default will be placed in this folder, they have root privileges.

Illustration: APK file for impression notes.
Second , the APK file like spotify premium apk

structure 1.META-INF \ (Note: Jar file can often see);

2.res \ (Note: storage resource file

directory ); 3.Android Manifest.xml (Note: program global configuration file) ;

4.classes.dex (Note: Dalvik bytecode);

5.resources.arsc (Note: compiled binary resource file).