import com.google.android.apps.dashclock.HelpUtils; //导入依赖的package包/类
@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
        case R.id.action_get_more_extensions:
            startActivity(new Intent(Intent.ACTION_VIEW,
                    Uri.parse("http://play.google.com/store/search?q=DashClock+Extension"
                            + "&c=apps"))
                    .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
            return true;

        case R.id.action_send_logs:
            LogUtils.sendDebugLog(ConfigurationActivity.this);
            return true;

        case R.id.action_about:
            HelpUtils.showAboutDialog(ConfigurationActivity.this);
            return true;
    }
    return super.onOptionsItemSelected(item);
}