从PreferenceScreen导航到另一个片段

public class TargetFragment extends Fragment {
    // 在此处定义目标片段的布局和逻辑
}

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
    <Preference
        android:title="点击导航"
        android:key="navigate_to_target"
        android:summary="点击此项导航到目标片段"
        android:intent="com.example.app.TargetFragment" />
</PreferenceScreen>

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 加载PreferenceScreen
        getFragmentManager().beginTransaction()
                .replace(android.R.id.content, new MyPreferenceFragment())
                .commit();
    }

    public static class MyPreferenceFragment extends PreferenceFragment {
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            addPreferencesFromResource(R.xml.preferences);
        }

        @Override
        public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
            if (preference.getKey().equals("navigate_to_target")) {
                // 导航到目标片段
                getFragmentManager().beginTransaction()
                        .replace(android.R.id.content, new TargetFragment())
                        .addToBackStack(null)
                        .commit();
                return true;
            }
            return super.onPreferenceTreeClick(preferenceScreen, preference);
        }
    }
}