Android is one of the major mobile phone platforms that are used for powering handsets of different mobile phone manufacturers. As a matter of fact, 70% of the handsets that are shipped worldwide are operating on the Android OS that’s owned by Google Inc. A myriad of applications can be found in the app store of the Android Market, some of which are offered for free while others have to be paid for. It is quite easy for people to find development tools for Android and download them. This means that anyone who has an interest can easily create an application for Android devices. There are some costs involved when individuals want to release their app via the Android Market.
The following guide can prove to be helpful when an app has to be created for Android:
The primary tools that have been created for making applications for Android are to be used with the Eclipse Integrated Development Environment, which is the integrated development environment for Java applications. People can download Eclipse and other similar tools for app development for free from the internet. The Android Developer Tools and the Android Software Development Kit are the other tools, which are needed for building and testing applications. Everything that’s needed for app development for Android OS can be found in these tools including compiling, designing, programming, testing and exporting the ready applications.
XML layouts are used by the android user interface design. Graphic visualizations can easily be found in the Eclipse tool, which comes in handy when designing interfaces for Android apps, but other organizations and parties are also coming up with other tools that Android developers will be able to use for design creation. The Android framework offers several types of layout including relative, tabular and linear styles. Guidelines for graphic and icons are also given as they have to be displayed in phone menus and other places in the market.
An emulator is included in the Android tools available for eclipse, which works for different devices. It can be used by developers for checking how the app will function on various devices and on other versions of the Android OS.
The apps can be exported by developers as APK files or Android Packages, which operate on Android devices. An expert developer from HowtoTech says that each new app has to be ‘versioned’ and ‘signed’ correctly for it to be published through the Android Market. Version numbers are given to applications before they are released and they can be signed through Eclipse and with other tools such as Keytool and Jarsigner.
It is up to the developer if they want to offer their app for free or charge a price when an app is being released through the Android Market. Some developers choose to offer their app for free and decide to use in-app advertising for generating income. When a developer joins the Android Market, they have to pay an initial fee and keep 70% of the sales revenue of their apps.