Hi, I'm implementing Bluetooth support on my application, which is compatible with Android 1.6 (and must remain since in Brazil we still have those devices running out).
By reading this article: http://developer.android.com/resources/articles/backward-compatibility.html I found an easy way that allow you to create classes that can be used in new and old devices. The idea is the creation of a DUMB class, that would work in devices that are not compatible, and an IMPLementation class that extends the DUMB class and would work on devices that are compatible. So, this is the dumb class: public class Level5 { public static Level5 instance = android.os.Build.VERSION.SDK_INT >= 5 ? new Level5Impl() : new Level5(); public boolean btIsSupported() { return false; } } And here the implementation class: public class Level5Impl extends Level5 { public boolean btIsSupported() { bluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); return bluetoothAdapter != null; } } Then, you can call: Level5.instance.btIsSupported(); All public fields that are used inside Level5Impl must be declared inside Level5, and all public methods must be declared in Level5 too, so they are overriden in Level5Impl. Hope this helps, Guilherme C. Hazan (guich) www.totalcross.com -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
