serverUrl=http://192.168.1.155 

import java.io.InputStream; 
import java.util.Properties; 
  
import android.content.Context; 
  
/** 
 * 读取properties配置文件 
 * 
 * @date 2014-1-15 10:06:38 
 * 
 * 
 */ 
public class MyProperUtil { 
  private static Properties urlProps; 
   public static Properties getProperties(Context c){ 
      Properties props = new Properties(); 
      try { 
      //方法一：通过activity中的context攻取setting.properties的FileInputStream 
      InputStream in = c.getAssets().open("appConfig.properties"); 
      //方法二：通过class获取setting.properties的FileInputStream 
      //InputStream in = PropertiesUtill.class.getResourceAsStream("/assets/ setting.properties "));  
      props.load(in); 
      } catch (Exception e1) { 
      // TODO Auto-generated catch block 
        e1.printStackTrace(); 
      } 
        
      urlProps = props; 
       System.out.println(urlProps.getProperty("serverUrl")); 
         return urlProps; 
      } 
  
} 

Properties properties = MyProperUtil.getProperties(context.getApplicationContext()); 
    url = properties.getProperty("serverUrl"); 
    Log.i("URL", url);