MainActivity.java 文件源码

private void showSettings(int itemId) {
    final Intent intent = new Intent(this, SettingsActivity.class);
    switch (itemId) {
    case R.id.navdraw_item_processing_options:
        intent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT,
                ProcessingOptions1Fragment.class.getName());
        break;
    case R.id.navdraw_item_solution_options:
        intent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT,
                SolutionOutputSettingsFragment.class.getName());
        break;
    default:
        throw new IllegalStateException();
    }
    startActivity(intent);
}