Android中PreferenceFragment的使用详解

<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">

    <CheckBoxPreference
        android:defaultValue="false"
        android:key="setting_no_img"
        android:summary="仅在WIFI环境下显示图片"
        android:title="无图模式" />

    <PreferenceCategory android:title="设置">

        <EditTextPreference
            android:hint="设置用户名"
            android:key="setting_name"
            android:title="设置用户名" />

        <Preference
            android:key="setting_font_size"
            android:summary="设置字体大小"
            android:title="设置字体大小" />
    </PreferenceCategory>

    <SwitchPreference
        android:defaultValue="false"
        android:key="setting_switch"
        android:title="设置模式-Switch" />

    <RingtonePreference
        android:key="setting_ring"
        android:title="设置模式-Ringtone" />
</PreferenceScreen>

public class PreferenceTestFragment extends PreferenceFragment {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        addPreferencesFromResource(R.xml.pref_setting);//加载xml文件
    }
}

findPreference("setting_no_img").setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(Preference preference) {
				//todo
                return true;
            }
        });

 getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);

public class ThemePreference extends Preference {

    private CircleView circleImageView;

    public ThemePreference(Context context, AttributeSet attrs) {
        super(context, attrs);
        // 加载布局文件
        setWidgetLayoutResource(R.layout.item_theme_preference_preview);
    }

	// 绑定视图
    @Override
    protected void onBindView(View view) {
        super.onBindView(view);
        int color = CommonSettingUtil.getInstance().getThemeColor();
        circleImageView = (CircleView) view.findViewById(R.id.iv_preview);
        circleImageView.setBackgroundColor(color);
    }

    /**
     * 刷新颜色显示
     */
    public void updateColor() {
       circleImageView.setBackgroundColor(CommonSettingUtil.getInstance().getThemeColor());
    }
}