Learning Android™ Application Programming: A Hands-On Guide to Building Android Applications

Android Version Checking

You can include features from later versions of the Android SDK by doing a comparison of the current build versions. You compare whether the internal constant Build.VERSION.SDK_INT is greater than or equal to the version of the target feature, as shown in Listing 11.10. If the code is run on a device having an earlier version of the Android SDK, the code will be skipped. For example, to display a home indication in the action bar, you need Android 3.0 or Honeycomb or later, because that was when the ActionBar feature was introduced.

Listing 11.10 Checking Build Version Code to Use Newer Features

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@TargetApi(Build.VERSION_CODES.HONEYCOMB)private void setupActionBar() {    if (Build.VERSION. ...