The abbreviation of Android package, namely Android installation package;

Encyclopedia explanation

APK is the abbreviation of AndroidPackage, namely Android installation package (apk). APK is a file format similar to Symbian Sis 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 android sdk 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 DalvikVM executes, that is, Android Dalvik Executors, not Java ME bytecode, but Dalvik bytecode. When Android runs the program, it needs to be decompressed first …