设置默认CheckBoxPreference always on

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
    <CheckBoxPreference
        android:key="example_checkbox"
        android:title="Example Checkbox"
        android:summary="This is an example checkbox preference"
        android:defaultValue="true" />
</PreferenceScreen>

public class SettingsActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getSupportFragmentManager().beginTransaction()
            .replace(android.R.id.content, new SettingsFragment())
            .commit();
    }

    public static class SettingsFragment extends PreferenceFragmentCompat {
        @Override
        public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
            setPreferencesFromResource(R.xml.preferences, rootKey);

            CheckBoxPreference checkBoxPreference = findPreference("example_checkbox");
            if (checkBoxPreference != null) {
                checkBoxPreference.setChecked(true); // 设置默认勾选
            }
        }
    }
}

checkBoxPreference.setOnPreferenceChangeListener((preference, newValue) -> {
    if (!newValue.equals(true)) {
        // 用户手动取消勾选，可以在这里处理逻辑，例如提示用户或者自动恢复默认值
        checkBoxPreference.setChecked(true);
    }
    return true;
});