Android - Package Name convention

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For the "Hello World" example in android.com, the package name is "package com.example.helloandroid;"

Is there any guideline/standard to name this package? (references would be nice)


Android follows normal java package conventions plus here is an important snippet of text to read (this is important regarding the wide use of xml files while developing on android).

The reason for having it in reverse order is to do with the layout on the storage media. If you consider each period ('.') in the application name as a path separator, all applications from a publisher would sit together in the path hierarchy. So, for instance, packages from Adobe would be of the form:

com.adobe.reader (Adobe Reader)

com.adobe.photoshop (Adobe Photoshop)

com.adobe.ideas (Adobe Ideas)

[Note that this is just an illustration and these may not be the exact package names.]

These could internally be mapped (respectively) to:

com/adobe/reader

com/adobe/photoshop

com/adobe/ideas

The concept comes from Package Naming Conventions in Java, more about which can be read here:*

http://en.wikipedia.org/wiki/Java_package#Package_naming_conventions

Source: http://www.quora.com/Why-do-a-majority-of-Android-package-names-begin-with-com

What should be the package name of android app?, Naming Conventions​​ Package names are written in all lower case to avoid conflict with the names of classes or interfaces. Companies use their reversed Internet domain name to begin their package names—for example, com. example. mypackage for a package named mypackage created by a programmer at example.com. ribot's Android Guidelines are a good example of standard naming conventions: Naming convention for XML files: activity_<ACTIVITY NAME>.xml - for all activities dialog_<DIALOG NAME>.xml - for all custom dialogs row_<LIST_NAME>.xml - for custom row for listview fragment_<FRAGMENT_NAME>.xml - for all fragments Naming convention for component/widget in xml files:


The package name is used for unique identification for your application. Android uses the package name to determine if the application has been installed or not. The general naming is:

com.companyname.applicationname

eg:

com.android.Camera

Set the application ID, Every Android app has a unique application ID that looks like a Java package name, such as com.example.myapp. This ID uniquely identifies  1 Conventions 1.1 Naming Convention for Classes. 1.2 Follow Field Naming Conventions. Non-public, non-static field names start with m. Static field names start with s. 1.3 Limit Line Length. Each line of text in your code should be at most 100 characters long. If a comment line 1.4 Treat


http://docs.oracle.com/javase/tutorial/java/package/namingpkgs.html

Companies use their reversed Internet domain name to begin their package names—for example, com.example.mypackage for a package named mypackage created by a programmer at example.com.

Name collisions that occur within a single company need to be handled by convention within that company, perhaps by including the region or the project name after the company name (for example, com.example.region.mypackage).

If you have a company domain www.example.com

Then you should use:

com.example.region.projectname

If you own a domain name like example.co.uk than it should be:

uk.co.example.region.projectname

If you do not own a domain, you should then use your email address:

for name@example.com it should be:

com.example.name.region.projectname

Application folder naming convention, Naming Conventions​​ Package names are written in all lower case to avoid conflict with the names of classes or interfaces. Companies use their reversed Internet domain name to begin their package names—for example, com. example. mypackage for a package named mypackage created by a programmer at example.com. Naming Conventions. Package names are written in all lower case to avoid conflict with the names of classes or interfaces. Companies use their reversed Internet domain name to begin their package names—for example, com.example.mypackage for a package named mypackage created by a programmer at example.com.


Com = commercial application (just like .com, most people register their app as a com app)
First level = always the publishing entity's' name
Second level (optional) = sub-devison, group, or project name
Final level = product name

For example he android launcher (home screen) is Com.Google.android.launcher

Naming a Package (The Java™ Tutorials > Learning the Java , Convention. Naming Conventions. Package names are written in all lower case to avoid conflict with the names of classes or interfaces. Companies use their  For example, complete all the fragments included in the "fragments" subdirectory with "Fragment", and use the CamelCase naming convention for these different files. The organization of resources The resources needed to develop an Android project, including layouts and menus, variables, images (icons, etc.), colors, styles and themes, Some good


Generally the first 2 package "words" are your web address in reverse. (You'd have 3 here as convention, if you had a subdomain.)

So something stackoverflow produces would likely be in package com.stackoverflow.whatever.customname

something asp.net produces might be called net.asp.whatever.customname.omg.srsly

something from mysubdomain.toplevel.com would be com.toplevel.mysubdomain.whatever

Beyond that simple convention, the sky's the limit. This is an old linux convention for something that I cannot recall exactly...

Package Name Conventions, Any Android application (app) has a unique package name which identifies it on devices as well as on app markets such as CafeBazaar. In fact the package  Occasionally it’s necessary to know the package name of an Android app. The package name is a unique name to identify a specific app. Generally, the package name of an app is in the format domain.company.application, but it’s completely up to the app’s developer to choose the name. The domain portion is the domain extension, like com or org, used by the developer of the app.


Why do a majority of Android package names begin with com?, The reason is to avoid name-collisions between applications. The convention is to use the reverse domain name because most (all?) publishers own a unique  Originally Answered: Why do a majority of android package names begin with com? The reason is to avoid name-collisions between applications. The convention is to use the reverse domain name because most (all?) publishers own a unique domain name which when prefixed to the application name, generates a unique name for the application.


How to determine the package name of an Android App, The package name is a unique name to identify a specific app. Generally, the package name of an app is in the format domain.company. Package names. Package names must use the following fully-qualified name (FQN) format (referred to as PACKAGE-NAME): PACKAGE.MODULE[.SUBMODULE[.SUBMODULE[…]]]@VERSION. Where: PACKAGE is the package that maps to the ROOT-DIRECTORY. In particular, PACKAGE is: android.hardware for core HIDL packages (mapping to hardware/interfaces). vendor.


Why do Most APK or Android App Package Names Start with 'com , An Android Package Kit, or APK, is named according to the Java naming convention since most of the OS uses the said programming language  When you create a new project in Android Studio, the applicationId exactly matches the Java-style package name you chose during setup. However, the application ID and package name are independent of each other beyond this point.