onSharedPreferenceChangeListener种

onSharedPreferenceChangeListener类

onSharedPreferenceChangeListener类<!-- 正文开始 -->1。用途 - 用于监视Shared Preference的变化
2。例子?? public class MyActivityextends Activity implements?OnSharedPreferenceChangeListener {?? ??@Override?? ??public void onCreate(Bundle SavedInstanceState){?? ?? ? Context context =getApplicationContext();?? ?? ? SharedPreferences prefs=?PreferenceManager.getDefaultSharedPreferences(context);?? ?? ? prefs.registerOnSharedPreferenceChangeListener(this); //注册?? ??}
?? ??public void onSharedPreferenceChanged(SharedPreferences prefs,String key) {?? ?? ? // 事件处理器.根据数据的变化,对显示和行为作改变?? ??}}