package com.tp.utils;
import android.content.Context; import android.content.SharedPreferences;
import com.tp.app.MyApp;
public class SpUtils { private static SpUtils instance; private SharedPreferences sp; public SpUtils(){ sp = MyApp.app.getSharedPreferences(“chat”, Context.MODE_PRIVATE); }
public static SpUtils getInstance(){ if(instance == null){ synchronized (SpUtils.class){ if(instance == null){ instance = new SpUtils(); } } } return instance; } /** * 设置数据 * @param key * @param value */ public void setValue(String key,Object value){ SharedPreferences.Editor editor = sp.edit(); if(value instanceof String){ editor.putString(key, (String) value); }else if(value instanceof Integer){ editor.putInt(key, (Integer) value); }else if(value instanceof Boolean){ editor.putBoolean(key, (Boolean) value); }else if(value instanceof Float){ editor.putFloat(key, (Float) value); }else if(value instanceof Long){ editor.putLong(key, (Long) value); } editor.commit(); } public String getString(String key){ return sp.getString(key,""); } public int getInt(String key){ return sp.getInt(key,0); } public Boolean getBoolean(String key){ return sp.getBoolean(key,false); } public float getFloat(String key){ return sp.getFloat(key,0); } public Long getLong(String key){ return sp.getLong(key,0); } /** * 删除对应的key * @param key */ public void remove(String key){ sp.edit().remove(key).commit(); }}
