package p1.p2; import android.app.Service; import android.content.ContentProvider; import android.content.ContentValues; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.IBinder; public class MyDerived extends MyActivity { private static class MyInner extends Service { @Override public IBinder onBind(Intent intent) { return null; } } private abstract static class MyInner2 extends ContentProvider { } private static class MyInner3 extends ContentProvider { @Override public boolean onCreate() { return false; } @Override public Cursor query(Uri uri, String[] strings, String s, String[] strings2, String s2) { return null; } @Override public String getType(Uri uri) { return null; } @Override public Uri insert(Uri uri, ContentValues contentValues) { return null; } @Override public int delete(Uri uri, String s, String[] strings) { return 0; } @Override public int update(Uri uri, ContentValues contentValues, String s, String[] strings) { return 0; } } }