【移动开发】SharedPreferences的兼容版本

public class SharedPreferencesCompat {     private static final String TAG = SharedPreferencesCompat.class             .getCanonicalName();     private static final Method sApplyMethod = findApplyMethod();      private static Method findApplyMethod() {         try {             Class<?> cls = SharedPreferences.Editor.class;             return cls.getMethod("apply");         } catch (NoSuchMethodException unused) { // fall through         }         return null;     }      public static void apply(SharedPreferences.Editor editor) {         if (sApplyMethod != null) {             try {                 sApplyMethod.invoke(editor);                 Log.d(TAG, "Apply method was invoked!");                 return;             } catch (InvocationTargetException unused) { // fall through             } catch (IllegalAccessException unused) { // fall through             }         }         editor.commit();         Log.d(TAG, "Commit method was invoked!");     } }