Android SharedPreferences存储方式 存储类

import android.content.Context;

import android.content.SharedPreferences;

/**

• Created by Administrator on 2018/8/7.

*/

public class SharedPreferencesUtil {

public static String User = "battery";

public static SharedPreferencesUtil mInstance = null;

public static SharedPreferences mSharedPreferences;

private static Context mContext;



public static SharedPreferencesUtil getInstance(Context context) {

    mContext = context;

    if (null == mInstance) {

        mInstance = new SharedPreferencesUtil();

        mSharedPreferences = context.getSharedPreferences(User, Context.MODE_PRIVATE);

    }

    return mInstance;

}



/**

 * 写入字符串型数据

 */

public static void setString(String key, String value) {

    synchronized (mContext) {

        SharedPreferences.Editor editor = mSharedPreferences.edit();

        editor.putString(key, value);

        editor.commit();

    }

}



/**

 * 获取字符串型数据

 */

public static String getString(String key) {

    synchronized (mContext) {

        return mSharedPreferences.getString(key, "");

    }

}



/**

 * 写入整型数据

 */

public static void setInteger(String key, int value) {

    synchronized (mContext) {

        SharedPreferences.Editor editor = mSharedPreferences.edit();

        editor.putInt(key, value);

        editor.commit();

    }

}



/**

 * 获取整型数据

 */

public static Integer getInteger(String key) {

    synchronized (mContext) {

        return mSharedPreferences.getInt(key, 120 * 6000);

    }

}



/**

 * 写入布尔型数据

 */

public static void setBoolean(String key, boolean value) {

    synchronized (mContext) {

        SharedPreferences.Editor editor = mSharedPreferences.edit();

        editor.putBoolean(key, value);

        editor.commit();

    }

}



/**

 * 获取布尔型数据