Android Open Source - android-utils Setting Utils

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License

The source code is released under:
Apache License
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Java Source Code

/**
 * Copyright 2014 Zhenguo Jin (jingle1267@163.com)
 *//from  w w  w. j av a2 s  .  c  om
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.worthed.util;

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

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.preference.PreferenceManager;

/**
 * ????????
 *
 * @author jingle1267@163.com
 */
@SuppressLint("CommitPrefEdits")
public class SettingUtils {

    private final static boolean DEBUG = true;
    private final static String TAG = "SettingUtils";

    public static boolean contains(Context context, int resId) {
        return contains(context, context.getString(resId));
    }

    public static boolean contains(Context context, String key) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        return prefs.contains(key);
    }

    public static void remove(Context context, int resId) {
        remove(context, context.getString(resId));
    }

    public static void remove(Context context, String key) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        SharedPreferences.Editor editor = prefs.edit();
        editor.remove(key);
        commitOrApply(editor);
    }

    public static void set(Context context, int resId, boolean value) {
        set(context, context.getString(resId), value);
    }

    public static void set(Context context, String key, boolean value) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        SharedPreferences.Editor editor = prefs.edit();
        editor.putBoolean(key, value);
        commitOrApply(editor);
    }

    public static void set(Context context, int resId, float value) {
        set(context, context.getString(resId), value);
    }

    public static void set(Context context, String key, float value) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        SharedPreferences.Editor editor = prefs.edit();
        editor.putFloat(key, value);
        commitOrApply(editor);
    }

    public static void set(Context context, int resId, int value) {
        set(context, context.getString(resId), value);
    }

    public static void set(Context context, String key, int value) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        SharedPreferences.Editor editor = prefs.edit();
        editor.putInt(key, value);
        commitOrApply(editor);
    }

    public static void set(Context context, int resId, long value) {
        set(context, context.getString(resId), value);
    }

    public static void set(Context context, String key, long value) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        SharedPreferences.Editor editor = prefs.edit();
        editor.putLong(key, value);
        commitOrApply(editor);
    }

    public static void set(Context context, int resId, String value) {
        set(context, context.getString(resId), value);
    }

    public static void set(Context context, String key, String value) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        SharedPreferences.Editor editor = prefs.edit();
        editor.putString(key, value);
        commitOrApply(editor);
    }

    public static boolean get(Context context, int resId, boolean defValue) {
        return get(context, context.getString(resId), defValue);
    }

    public static boolean get(Context context, String key, boolean defValue) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        return prefs.getBoolean(key, defValue);
    }

    public static float get(Context context, int resId, float defValue) {
        return get(context, context.getString(resId), defValue);
    }

    public static float get(Context context, String key, float defValue) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        return prefs.getFloat(key, defValue);
    }

    public static int get(Context context, int resId, int defValue) {
        return get(context, context.getString(resId), defValue);
    }

    public static int get(Context context, String key, int defValue) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        return prefs.getInt(key, defValue);
    }

    public static long get(Context context, int resId, long defValue) {
        return get(context, context.getString(resId), defValue);
    }

    public static long get(Context context, String key, long defValue) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        return prefs.getLong(key, defValue);
    }

    public static String get(Context context, int resId, String defValue) {
        return get(context, context.getString(resId), defValue);
    }

    public static String get(Context context, String key, String defValue) {
        SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(context);
        return prefs.getString(key, defValue);
    }

    public static SharedPreferences.Editor getEditor(Context context) {
        return PreferenceManager.getDefaultSharedPreferences(context).edit();
    }

    // ////////////////////////////////////////////////////////////////////////
    // Apply method via reflection

    private static final Method APPLY_METHOD = findApplyMethod();

    private static Method findApplyMethod() {
        try {
            Class<Editor> cls = SharedPreferences.Editor.class;
            return cls.getMethod("apply");
        } catch (NoSuchMethodException unused) {
            if (DEBUG) {
                LogUtils.d(TAG, "Failed to retrieve Editor.apply(); probably doesn't exist on this phone's OS.  Using Editor.commit() instead.");
            }
            return null;
        }
    }

    public static void commitOrApply(Editor editor) {
        if (APPLY_METHOD != null) {
            try {
                APPLY_METHOD.invoke(editor);
                return;
            } catch (InvocationTargetException e) {
                if (DEBUG) {
                    LogUtils.d(TAG, "Failed while using Editor.apply().  Using Editor.commit() instead.");
                }
            } catch (IllegalAccessException e) {
                if (DEBUG) {
                    LogUtils.d(TAG, "Failed while using Editor.apply().  Using Editor.commit() instead.");
                }
            }
        }

        editor.commit();
    }
}
Java Source Code List
