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/ime/latinime/src/com/googlecode/eyesfree/inputmethod/latin/SharedPreferencesCompat.java

http://eyes-free.googlecode.com/
Java | 53 lines | 25 code | 6 blank | 22 comment | 2 complexity | 36638ec380d3b49df1a83b47e06672d1 MD5 | raw file
 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
17package com.googlecode.eyesfree.inputmethod.latin;
18
19import android.content.SharedPreferences;
20
21import java.lang.reflect.InvocationTargetException;
22import 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 */
28public 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}