The NDK samples moved a while back.

 * is no need to derive from this class; you can simply declare it in your

 * manifest, and use the NDK APIs from there.

 *

 * <p>A typical manifest would look like:

 *

 * {@sample development/ndk/platforms/android-9/samples/native-activity/AndroidManifest.xml

 *      manifest}

 *

 * <p>A very simple example of native code that is run by NativeActivity

 * follows.  This reads input events from the user and uses OpenGLES to

 * draw into the native activity's window.

 *

 * {@sample development/ndk/platforms/android-9/samples/native-activity/jni/main.c all}

 * <p>A <a href="https://github.com/googlesamples/android-ndk/tree/master/native-activity">sample

 * native activity</a> is available in the NDK samples.

 */

public class NativeActivity extends Activity implements SurfaceHolder.Callback2,

        InputQueue.Callback, OnGlobalLayoutListener {