With almost two dozen manufacturers developing Android devices, we’ve seen an explosion of different models—each with its own market differentiators and unique characteristics. Users now have choices, but these choices come at a cost. This proliferation of devices has led to what some developers call fragmentation and others call compatibility issues. Terminology aside, it has become a challenging task to develop Android applications that support a broad range of devices. Developers must contend with different platform versions, devices with and without optional hardware such as cameras and keyboards, and variations in screen sizes and resolutions.The list of device differentiators is lengthy, and grows with each new device.
Although fragmentation makes the Android app developer’s life more complicated, it’s still possible to develop for and support a variety of devices—even all devices—within a single application. When it comes to maximizing compatibility, you’ll always want to use the following strategies:
Some Android device statistics regarding platform version and screen density..
Consider screen size and resolution differences when designing application user interfaces. It is often possible to design very flexible layouts that look reasonable in both portrait and landscape modes, as well as different screen resolutions and sizes. However, if you don’t consider this early, you will likely have to make changes (sometimes painful ones) later on to accommodate these differences.
Now let’s look at some of the strategies you can use to target different device configurations and languages.
Setting Up Your Android Development Environment
Writing Your First Android Application
Understanding The Anatomy Of An Android Application
Defining Your Application Using The Android Manifest File
Managing Application Resources
Exploring User Interface Screen Elements
Designing User Interfaces With Layouts
Drawing And Working With Animation
Using Android Data And Storage Apis
Sharing Data Between Applications With Content Providers
Using Android Networking Apis
Using Android Web Apis
Using Location-based Services (lbs) Apis
Using Android Multimedia Apis
Using Android Telephony Apis
Using Android 3d Graphics With Opengl Es
Using The Android Ndk
Using Android’s Optional Hardware Apis
Working With Notifications
Working With Services
Extending Android Application Reach
Managing User Accounts And Synchronizing User Data
Handling Advanced User Input
Targeting Different Device Configurations And Languages
The Mobile Software Development Process
Designing And Developing Bulletproof Android Applications
Testing Android Applications
Selling Your Android Application
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