Android Open Source - Calma Shared Preferences Compat

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Thomas Schmid//w  w w.j a v  a 2 s . co m
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301, USA.
 */

package com.scto.android.calma.utils;

import com.scto.android.calma.R;

import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

/**
 * Reflection utils to call {@link SharedPreferences.Editor} apply() when
 * possible, falling back to commit when apply isn't available.
 */
public final class SharedPreferencesCompat {

    private final static Method mApplyMethod = findApplyMethod();

    /**
     * @return The apply() method from {@link SharedPreferences.Editor}.
     */
    private final static Method findApplyMethod() {
        try {
            final Class<Editor> class1 = SharedPreferences.Editor.class;
            return class1.getMethod("apply");
        } catch (final NoSuchMethodException ignored) {
        }
        return null;
    }

    /**
     * @param editor The {@link SharedPreferences.Editor} to use.
     */
    public static void apply(final SharedPreferences.Editor editor) {
        if (mApplyMethod != null) {
            try {
                mApplyMethod.invoke(editor);
                return;
            } catch (final InvocationTargetException ignored) {
            } catch (final IllegalAccessException ignored) {
            }
        }
        editor.commit();
    }
}

Java Source Code List

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