content: package zzw.imtest.util;
  
  import java.util.Map;
  
  import android.content.Context;
  import android.content.SharedPreferences;
  
  /**
   * 保存信息配置类
   *
   * @author admin
   */
  public class SharedPreferencesHelper {
      private SharedPreferences sharedPreferences;
      /*
       * 保存手机里面的名字
       */private SharedPreferences.Editor editor;
  
      public SharedPreferencesHelper(Context context) {
          sharedPreferences = context.getSharedPreferences("JgIm",
                  Context.MODE_PRIVATE);
          editor = sharedPreferences.edit();
      }
  
      /**
       * 存储
       */
      public void put(String key, Object object) {
          if (object instanceof String) {
              editor.putString(key, (String) object);
          } else if (object instanceof Integer) {
              editor.putInt(key, (Integer) object);
          } else if (object instanceof Boolean) {
              editor.putBoolean(key, (Boolean) object);
          } else if (object instanceof Float) {
              editor.putFloat(key, (Float) object);
          } else if (object instanceof Long) {
              editor.putLong(key, (Long) object);
          } else {
              editor.putString(key, object.toString());
          }
          editor.commit();
      }
  
      /**
       * 获取保存的数据
       */
      public Object getSharedPreference(String key, Object defaultObject) {
          if (defaultObject instanceof String) {
              return sharedPreferences.getString(key, (String) defaultObject);
          } else if (defaultObject instanceof Integer) {
              return sharedPreferences.getInt(key, (Integer) defaultObject);
          } else if (defaultObject instanceof Boolean) {
              return sharedPreferences.getBoolean(key, (Boolean) defaultObject);
          } else if (defaultObject instanceof Float) {
              return sharedPreferences.getFloat(key, (Float) defaultObject);
          } else if (defaultObject instanceof Long) {
              return sharedPreferences.getLong(key, (Long) defaultObject);
          } else {
              return sharedPreferences.getString(key, null);
          }
      }
  
      /**
       * 移除某个key值已经对应的值
       */
      public void remove(String key) {
          editor.remove(key);
          editor.commit();
      }
  
      /**
       * 清除所有数据
       */
      public void clear() {
          editor.clear();
          editor.commit();
      }
  
      /**
       * 查询某个key是否存在
       */
      public Boolean contain(String key) {
          return sharedPreferences.contains(key);
      }
  
      /**
       * 返回所有的键值对
       */
      public Map<String, ?> getAll() {
          return sharedPreferences.getAll();
      }
  }
  