1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.inputmethod.compat; 18 19 import android.content.SharedPreferences; 20 21 import java.lang.reflect.InvocationTargetException; 22 import java.lang.reflect.Method; 23 24 /** 25 * Reflection utils to call SharedPreferences$Editor.apply when possible, 26 * falling back to commit when apply isn't available. 27 */ 28 public class SharedPreferencesCompat { 29 private static final Method sApplyMethod = findApplyMethod(); 30 31 private static Method findApplyMethod() { 32 try { 33 return SharedPreferences.Editor.class.getMethod("apply"); 34 } catch (NoSuchMethodException unused) { 35 // fall through 36 } 37 return null; 38 } 39 40 public static void apply(SharedPreferences.Editor editor) { 41 if (sApplyMethod != null) { 42 try { 43 sApplyMethod.invoke(editor); 44 return; 45 } catch (InvocationTargetException unused) { 46 // fall through 47 } catch (IllegalAccessException unused) { 48 // fall through 49 } 50 } 51 editor.commit(); 52 } 53 } 54
