打印未知異常的提示信息

1、頭文件

import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.ArrayList;

2、打印信息

try{

     //...

}

catch(Exception ex){

        Log.e(TAG, "NetWork is abnormal ,please check the network!**");
    StringWriter sw=new StringWriter();
     ex.printStackTrace(new PrintWriter(sw));

    Log.e(TAG, "NetWork is abnormal:"+sw.getBuffer().toString());

}