Why do Android package names start with 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 .

Why do package names start with com?

3 Answers. The convention is that a programmer in a given organization will start package names with their organization’s domain name, as a unique identifier — in reverse order. This prevents namespace clashes between code from different organizations (within the organization you’re on your own).

Does package name matter Android?

It shouldn’t matter. In case you still wish to change, you have to unpublish your app and publish it as a new app. This is because Google identifies your app through you bundle ID, or package name as it is called. So you cannot repeat 2 package names.

What is the Android package name?

The package name of an Android app uniquely identifies your app on the device, in Google Play Store, and in supported third-party Android stores.

Should package name be singular or plural?

Use the plural for packages with homogeneous contents and the singular for packages with heterogeneous contents. A class is similar to a database relation. A database relation should be named in the singular as its records are considered to be instances of the relation.

Can I change android package name?

Highlight each part in the package name that you want to modify (don’t highlight the entire package name) then: Mouse right-click → Refactor → Rename → Rename package. type the new name and press (Refactor)

Why do Java packages start with com or org?

4 Answers. According to Sun, packages should be namespaced according to the inverse of your domain name, and then followed by whatever you see fit. Most companies or organisations have a .com , or . org domain name, and hence most packages start with com. or org. .

Why do Java classes start with com?

The idea is to make sure all package names are unique world-wide, by having authors use a variant of a DNS name they own to name the package.

What is difference between application ID and package name in Android?

The package name is just to organize your code. The applicationId, on the other hand, is used to identify your app in the Play Store. You will change this only if you plan to generate another app based on same code.

What is the meaning of package name?

All Android apps have a package name. The package name uniquely identifies the app on the device; it is also unique in the Google Play store.

What should my package name be?

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.

Should package names be plural Java?

What is a package name in Android?

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. 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.

Why do so many Android apps start with the letter “com”?

It’s the same reason why many Java packages begin with com – for uniqueness and namespacing. All Android apps need a unique package name, and typically one’s domain name is seen as “unique” among all others who are also developing apps.

How do companies name their application packages?

Companies use their reversed internet domain as the application package name initials. For example, com.droidviews.mypackage would be the name for a package called mypackage created by someone at droidviews.com.

What is the purpose of the package name?

The package name serves as a unique identifier for the application. It’s also the default name for the application process (see the element’s process process attribute) and the default task affinity of an activity (see the element’s taskAffinity attribute).