Open method;
1
First, determine the nature of your APK file. Where on the computer, is there any software that can open the APK file in the computer? If not, install some software or open the APK file in the mobile phone.
2
Apk software is developed based on LINX, and the computer system we are using now is generally windos operating system, so we can't open it directly. So you have to use some software or other methods to open it in the computer.
three
APK file is in zip format. You can right-click the file in the computer to select the opening method, and then select winrar to open and view the contents of the file. Or change the file suffix to. Rar, then unzip it with winrar file, and you will get a folder, which is the source file of the changed program.
four
If you want to open the downloaded apk file in your computer, you can also download a pea pods or 9 1 assistant software and install it on your computer. At this point, the mobile phone is connected to the computer through the USB data cable, and the APK file can be read out on the computer and installed on the mobile phone.
five
If you use the "ES browser" of the Android phone to find the apk file stored in the phone, clicking it is equivalent to decompressing the file. You will be asked if you want to install this file. If you agree, the software will be installed in your mobile phone. This is the best way to open APK files directly with your mobile phone.
six
In fact, apk file is just a kind of zip file, which is a kind of file installed on Android phone, and the suffix is APK. The operating system of Android phone has its own software to open such files. After decompression, it can be directly installed in Android mobile phone system.
apk
APK is the abbreviation of AndroidPackage, namely Android installation package (apk). APK is a file format similar to SymbianSis or Sisx. It can be installed by directly transferring APK files to Android emulator or Android phone for execution.
Like sis, apk files package the projects compiled by androidsdk into apk format installer files. The APK file is actually in zip format, but the suffix is changed to apk. After decompression, you can see the Dex file. Dex is the abbreviation of DalvikVMexecutes, that is, AndroidDalvik executors, not JavaME bytecode, but Dalvik bytecode.
When running a program, Android needs to decompress first, and then it is as direct as Symbian, which is different from PE files in WindowsMobile.
File format editing
format definition
In the Android platform, the execution file of dalvikvm is encapsulated in apk format, and eventually the runtime loader will decompress it, and then obtain the security access related to the permission branch in the compiled androidmanifest.xml file, but there are still many security restrictions.
If you transfer the apk file to the /system/app folder, you will find that the execution is unrestricted. The installed file may not be in this folder, but in androidrom, the apk file of the system will be placed in this folder by default, and it has root permission.