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How to export signed Application Package (APK) in Eclipse, Android-adt
How to export signed Application Package (APK) in Eclipse, Android-adt
Published: 2014/05/08
Channel: Andr.oid Eric
Appium App Package   Activity
Appium App Package Activity
Published: 2017/06/18
Channel: The Big Opcion
Slice: Best Package Tracker App on iOS and Android!
Slice: Best Package Tracker App on iOS and Android!
Published: 2015/09/28
Channel: Kevin The Tech Ninja
How to change Package name of any Android App by decompiling
How to change Package name of any Android App by decompiling
Published: 2016/05/27
Channel: Karthik M
How to rename an android package? (android studio)
How to rename an android package? (android studio)
Published: 2014/10/18
Channel: ZuluCoding
THE ONLY ANDROID APK YOU WILL EVER NEED
THE ONLY ANDROID APK YOU WILL EVER NEED
Published: 2017/03/14
Channel: Solo Man
APK - Android Application Package Process
APK - Android Application Package Process
Published: 2015/04/16
Channel: TechThree INFO
Change the package name in android studio (Working)
Change the package name in android studio (Working)
Published: 2016/01/16
Channel: Binary Lab
how to fix parse error there was a problem parsing the package installing android apps
how to fix parse error there was a problem parsing the package installing android apps
Published: 2015/12/16
Channel: Theta Box
Android studio change package name
Android studio change package name
Published: 2015/11/03
Channel: Menno van der Krift
Decode Android application package ( Only tutorial )
Decode Android application package ( Only tutorial )
Published: 2016/04/02
Channel: Dark Shadow
How to fix parse error there was a problem parsing the package while installing android apps
How to fix parse error there was a problem parsing the package while installing android apps
Published: 2016/09/04
Channel: Tech Impact
Sign and Package An App in Android Studio - App Lab
Sign and Package An App in Android Studio - App Lab
Published: 2014/11/08
Channel: Hooman
#HITB2016AMS CommSec Track D2 - Inspeckage: Android Package Inspector - Antonio Martins
#HITB2016AMS CommSec Track D2 - Inspeckage: Android Package Inspector - Antonio Martins
Published: 2016/06/16
Channel: Hack In The Box Security Conference
1# Importing and Changing Package Name of (application Android)
1# Importing and Changing Package Name of (application Android)
Published: 2016/08/28
Channel: AllinOne
Clone Android Apps change app package name and install multiple apps
Clone Android Apps change app package name and install multiple apps
Published: 2016/05/03
Channel: ApkPage
Slice - Best FREE Package Tracking Application for iPhone and Android
Slice - Best FREE Package Tracking Application for iPhone and Android
Published: 2015/10/26
Channel: TechMe0ut
android application package - how to rename an android package? (android studio)
android application package - how to rename an android package? (android studio)
Published: 2017/03/21
Channel: James P. Jones
How to Make Android Package (apk) file in Android Studio
How to Make Android Package (apk) file in Android Studio
Published: 2015/09/09
Channel: okedroidstudio
There was a problem parsing the package fix
There was a problem parsing the package fix
Published: 2016/10/16
Channel: Fire Tech
ADB Commands- How to find App Package & App Activity for Android App?
ADB Commands- How to find App Package & App Activity for Android App?
Published: 2016/09/02
Channel: Test Automation Simplified
Apk Package Name change ♢ Install Same App Twice
Apk Package Name change ♢ Install Same App Twice
Published: 2016/05/28
Channel: Mahadi Hasan
How to fix parsing the package error for any apk 100% work no root without internet
How to fix parsing the package error for any apk 100% work no root without internet
Published: 2016/07/10
Channel: nav and joe Craft
How to send a package using Fetchr delivery app - Android
How to send a package using Fetchr delivery app - Android
Published: 2016/03/09
Channel: Fetchr
How to Change the Package Name in Android Studio!
How to Change the Package Name in Android Studio!
Published: 2015/06/20
Channel: Bobby Lou Jo
How To Fix Parse Error "There was a problem parsing the package" On Android Apps ?
How To Fix Parse Error "There was a problem parsing the package" On Android Apps ?
Published: 2016/02/02
Channel: Tree Academy
How to Change Application Package Name in Android Studio
How to Change Application Package Name in Android Studio
Published: 2017/03/29
Channel: Solodroid Developer
How To Solve Package Parse Error in Android
How To Solve Package Parse Error in Android
Published: 2015/03/09
Channel: Nisarg Gohel
How to rename package name in Android Studio
How to rename package name in Android Studio
Published: 2016/08/24
Channel: Neuron Digital
The Fool-Proof guide to building an Android App with Python Kivy
The Fool-Proof guide to building an Android App with Python Kivy
Published: 2016/08/12
Channel: Allister Brizan
[Android App] Package rename tip with APK Editor Pro
[Android App] Package rename tip with APK Editor Pro
Published: 2016/04/09
Channel: Heagoo Huo
APK Multi-Tools Rename Android Package name Tutorial
APK Multi-Tools Rename Android Package name Tutorial
Published: 2015/04/27
Channel: Gerald Baggett
Android Problem parsing the package FIX
Android Problem parsing the package FIX
Published: 2014/07/29
Channel: Dudefoxlive
How to Create Android Apps - Eclipse Export .apk Market Ready Files
How to Create Android Apps - Eclipse Export .apk Market Ready Files
Published: 2011/06/15
Channel: Adam Khoury
How to Rename Telegram messenger for Android Package Name
How to Rename Telegram messenger for Android Package Name
Published: 2015/07/09
Channel: FunnyPunch
How to fix App not installed Error in android
How to fix App not installed Error in android
Published: 2016/09/10
Channel: Teconz
[Android] 2 methods to edit package name in APK Editor Pro
[Android] 2 methods to edit package name in APK Editor Pro
Published: 2015/10/04
Channel: Heagoo Huo
How to Change Package Name in Android Studio
How to Change Package Name in Android Studio
Published: 2015/01/22
Channel: CyberCubeTV
News App - Android studio Change Package Name
News App - Android studio Change Package Name
Published: 2017/03/12
Channel: Ristana Inc
Android Studio build error :  package android support v4 app does not exists
Android Studio build error : package android support v4 app does not exists
Published: 2015/03/08
Channel: Tech Gadget Grey
How to import Application  in WorkSpace,Change Appname and Package Name
How to import Application in WorkSpace,Change Appname and Package Name
Published: 2014/04/03
Channel: Apps Word
How to Change Package Name in Eclipse
How to Change Package Name in Eclipse
Published: 2015/02/04
Channel: TechPandey Expertz
APK Analyzer: An Android Tool Time Deep Dive
APK Analyzer: An Android Tool Time Deep Dive
Published: 2016/12/19
Channel: Android Developers
Check our most popular Android package to promote your App!
Check our most popular Android package to promote your App!
Published: 2016/10/17
Channel: AppReviewsOrg
How To fix Parse Error "There was a problem parsing the package" Installing Android Apps
How To fix Parse Error "There was a problem parsing the package" Installing Android Apps
Published: 2016/01/04
Channel: Sourav Bagchi
How To fix Parse Error "There was a problem parsing the package" Installing Android Apps
How To fix Parse Error "There was a problem parsing the package" Installing Android Apps
Published: 2014/06/01
Channel: troubleshooterrors
How To Change Package Name in Android Studio
How To Change Package Name in Android Studio
Published: 2017/02/28
Channel: Arif Hossen
Parse Error Fixed in android - There is a problem parsing the package
Parse Error Fixed in android - There is a problem parsing the package
Published: 2016/04/20
Channel: Tech Free Zone
How to install Hyper-Cola on android by Hyper-Cola package installer.
How to install Hyper-Cola on android by Hyper-Cola package installer.
Published: 2016/11/27
Channel: THE THUNDER SMOKERS
Ionic application Android package
Ionic application Android package
Published: 2016/12/12
Channel: Tarun Sharma
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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APK
APK format icon.png
Filename extension .apk, .xapk
Internet media type application/vnd.android.package-archive
Type of format Package format
Container for mobile apps
Extended from JAR and ZIP

Android Package Kit (APK) is the package file format used by the Android operating system for distribution and installation of mobile apps and middleware.

APK files are analogous to other software packages such as APPX in Microsoft Windows or Deb packages in Debian-based operating systems like Ubuntu. To make an APK file, a program for Android is first compiled, and then all of its parts are packaged into one file. An APK file contains all of that program's code (such as .dex files), resources, assets, certificates, and manifest file. As is the case with many file formats, APK files can have any name needed, provided that the file name ends in ".apk".[1][2][3][4]

APK files are a type of archive file, specifically in zip format packages based on the JAR file format, with .apk as the filename extension. The MIME type associated with APK files is application/vnd.android.package-archive.[5]

APK files can be installed on Android powered devices just like installing software on PC. When a user downloads and installs an Android application from either an official source (such as Google Play), or from some other (unofficial) site, they are installing an APK file on their device. A user or developer can also install an APK file directly to a device (that is, not via download from the network) from a desktop computer, using a communication program such as adb, or from within a file manager app in a process known as sideloading. By default, the ability to install from unofficial sites or directly from a desktop or file manager is disabled for security reasons on most Android devices. Users can enable it by changing the setting "Unknown sources" in the Settings menu.[6]

Package contents[edit]

An APK file is an archive that usually contains the following files and directories:

  • META-INF directory:
    • MANIFEST.MF: the Manifest file
    • CERT.RSA: The certificate of the application.
    • CERT.SF: The list of resources and SHA-1 digest of the corresponding lines in the MANIFEST.MF file; for example:
 Signature-Version: 1.0
 Created-By: 1.0 (Android)
 SHA1-Digest-Manifest: wxqnEAI0UA5nO5QJ8CGMwjkGGWE=
 ...
 Name: res/layout/exchange_component_back_bottom.xml
 SHA1-Digest: eACjMjESj7Zkf0cBFTZ0nqWrt7w=
 ...
 Name: res/drawable-hdpi/icon.png
 SHA1-Digest: DGEqylP8W0n0iV/ZzBx3MW0WGCA=
  • lib: the directory containing the compiled code that is specific to a software layer of a processor, the directory is split into more directories within it:
    • armeabi: compiled code for all ARM based processors only
    • armeabi-v7a: compiled code for all ARMv7 and above based processors only
    • arm64-v8a: compiled code for all ARMv8 arm64 and above based processors only[7][8]
    • x86: compiled code for x86 processors only
    • x86_64: compiled code for x86 64 processors only
    • mips: compiled code for MIPS processors only
  • res: the directory containing resources not compiled into resources.arsc (see below).
  • assets: a directory containing applications assets, which can be retrieved by AssetManager.
  • AndroidManifest.xml: An additional Android manifest file, describing the name, version, access rights, referenced library files for the application. This file may be in Android binary XML that can be converted into human-readable plaintext XML with tools such as AXMLPrinter2, android-apktool, or Androguard.
  • classes.dex: The classes compiled in the dex file format understandable by the Dalvik virtual machine and by the Android Runtime.
  • resources.arsc: a file containing precompiled resources, such as binary XML for example.

See also[edit]

References[edit]

  1. ^ "Inside the Android Application Framework" (video). Google Sites. Google. 2008. 
  2. ^ Hatem Ben Yacoub (19 January 2008). "Tips: How to install apk files on Android Emulator". Open Handset Magazine. 
  3. ^ "The Structure of Android Package (APK) Files". OPhone SDN. OPhone Software Developer Network. 17 November 2010. 
  4. ^ chibucks (28 May 2010). "Learn to Fish: General Structure of an APK". SDX-Developers Forum. Simple Machines Forum. 
  5. ^ "Developer description of MIME type for .apk". Androidguys.com. 2008-10-21. Retrieved 2012-08-20. 
  6. ^ "What is an APK File and How to Install it?". Android Picks. 
  7. ^ "ABI Management | Android Developers". developer.android.com. Retrieved 2016-03-30. 
  8. ^ "ABI Management | Android Developers". developer.android.com. Retrieved 2016-12-31. 

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