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845天前package com.mosjoy.ad.utils; |
import java.util.Map; |
import java.util.Set; |
import android.content.Context; |
import android.content.SharedPreferences; |
import android.content.SharedPreferences.Editor; |
/** |
* SharedPreferences工具类 |
* @author zouyb |
* |
*/ |
public class SharedPreferencesUtil { |
private SharedPreferences sp; |
private Editor editor; |
private String name = "mosjoy_chat"; |
private int mode = Context.MODE_PRIVATE; |
public SharedPreferencesUtil(Context context) { |
this.sp = context.getSharedPreferences(name, mode); |
this.editor = sp.edit(); |
} |
|
/** |
* 创建一个工具类，默认打开名字为name的SharedPreferences实例 |
* @param context |
* @param name 唯一标识 |
* @param mode 权限标识 |
*/ |
public SharedPreferencesUtil(Context context, String name, int mode) { |
this.sp = context.getSharedPreferences(name, mode); |
this.editor = sp.edit(); |
} |
/** |
* 添加信息到SharedPreferences |
* |
* @param name |
* @param map |
* @throws Exception |
*/ |
public void add(Map<String, String> map) { |
Set<String> set = map.keySet(); |
for (String key : set) { |
editor.putString(key, map.get(key)); |
} |
editor.commit(); |
} |
/** |
* 删除信息 |
* |
* @throws Exception |
*/ |
public void deleteAll() throws Exception { |
editor.clear(); |
editor.commit(); |
} |
/** |
* 删除一条信息 |
*/ |
public void delete(String key){ |
editor.remove(key); |
editor.commit(); |
} |
/** |
* 获取信息 |
* |
* @param key |
* @return |
* @throws Exception |
*/ |
public String get(String key){ |
if (sp != null) { |
return sp.getString(key, ""); |
} |
return ""; |
} |
/** |
* 获取此SharedPreferences的Editor实例 |
* @return |
*/ |
public Editor getEditor() { |
return editor; |
} |
} |
