SharedUtil.java

package com.megvii.idcardlib.util;

import java.util.Map;

import android.content.Context;
import android.content.SharedPreferences;


/**
 * Save Data To SharePreference Or Get Data from SharePreference
 * 
 * @author wanglx
 *通过SharedPreferences来存储数据，自定义类型
 */
public class SharedUtil {
	private static String TAG = "PushSharePreference";
	private Context ctx;
	private String FileName = "YueSuoPing";
 
	public SharedUtil(Context ctx) {
		this.ctx = ctx;
	}

	/**
	 * Set int value into SharePreference
	 * 
	 * @param
	 * @param key
	 * @param value
	 */
	//通过SharedPreferences来存储键值对
	public void saveIntValue(String key, int value) {
		SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
				Context.MODE_PRIVATE);
		SharedPreferences.Editor editor = sharePre.edit();
		editor.putInt(key, value);
		editor.commit();
	}

    /**
     * Set int value into SharePreference
     *
     * @param key
     * @param value
     */
    //通过SharedPreferences来存储键值对
    public void saveLongValue(String key, long value) {
        SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
          Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = sharePre.edit();
        editor.putLong(key, value);
        editor.commit();
    }

	public void writeDownStartApplicationTime() {
		SharedPreferences sp = ctx.getSharedPreferences(FileName, Context.MODE_PRIVATE);
		long now = System.currentTimeMillis();
//		Calendar calendar = Calendar.getInstance();
		//Date now = calendar.getTime();
//		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd:hh-mm-ss");
		SharedPreferences.Editor editor = sp.edit();
		//editor.putString("启动时间", now.toString());
		editor.putLong("nowtimekey", now);
		editor.commit();
		
	}

	/**
	 * Set Boolean value into SharePreference
	 * 
	 * @param
	 * @param key
	 * @param value
	 */
	public void saveBooleanValue(String key, boolean value) {
		SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
				Context.MODE_PRIVATE);
		SharedPreferences.Editor editor = sharePre.edit();
		editor.putBoolean(key, value);
		editor.commit();
	}

	/**
	 * Remove key from SharePreference
	 * 
	 * @param key
	 */
	public void removeSharePreferences(String key) {
		SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
				Context.MODE_PRIVATE);
		SharedPreferences.Editor editor = sharePre.edit();
		editor.remove(key);
		editor.commit();
	}

	/**
	 *  
	 * 
	 * @param key
	 * @return
	 */
	public boolean contains(String key) {
		SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
				Context.MODE_PRIVATE);
		return sharePre.contains(key);
	}

	/**
	 * Get all value
	 * 
	 * @return
	 */
	@SuppressWarnings("unchecked")
	public Map<String, Object> getAllMap() {
		SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
				Context.MODE_PRIVATE);
		return (Map<String, Object>) sharePre.getAll();
	}

	/**
	 * Get Integer Value
	 * 
	 * @param key
	 * @return
	 */
	public Integer getIntValueByKey(String key) {
		SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
				Context.MODE_PRIVATE);
		return sharePre.getInt(key, -1);
	}

    /**
     * Get Integer Value
     *
     * @param fileName
     * @param key
     * @return
     */
    public Long getLongValueByKey(String key) {
        SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
          Context.MODE_PRIVATE);
        return sharePre.getLong(key, -1);
    }


	/**
	 * Set String value into SharePreference
	 * 
	 * @param key
	 * @param value
	 */
	public void saveStringValue(String key, String value) {
		SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
				Context.MODE_PRIVATE);
		SharedPreferences.Editor editor = sharePre.edit();
		editor.putString(key, value);
		editor.commit();
	}
	
	/**
	 * Get String Value
	 * 通过输入的key来获得userid
	 * @param key
	 * @return
	 */
	public String getStringValueByKey(String key) {
		SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
				Context.MODE_PRIVATE);
		return sharePre.getString(key, null);
	}

	public Boolean getBooleanValueByKey(String key) {
		SharedPreferences sharePre = ctx.getSharedPreferences(FileName,
				Context.MODE_PRIVATE);
		return sharePre.getBoolean(key, false);
	}

	/**
	 * Get Value, Remove key
	 * 
	 * @param key
	 * @return
	 */
	public Integer getIntValueAndRemoveByKey(String key) {
		Integer value = getIntValueByKey(key);
		removeSharePreferences(key);
		return value;
	}

	/**
	 * 设置userkey
	 * 
	 * @param userkey
	 */
	public void setUserkey(String userkey) {
		this.saveStringValue("params_userkey", userkey);
	}

	/**
	 * 获取userkey
	 * 
	 */
	public String getUserkey() {
		return this.getStringValueByKey("params_userkey");
	}

}