java - ClassNotFoundException happens during calling ObjectInputStream.readobject in Android -

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i want read object android internal storage.

the following code. write static function reading object file in same class. no idea why exception happen . appreciate if give suggestions.

thanks.

package com.crescent.programmercalculator;  import java.io.fileinputstream; import java.io.filenotfoundexception; import java.io.fileoutputstream; import java.io.ioexception; import java.io.objectinputstream; import java.io.objectoutputstream; import java.io.serializable;  import android.util.log; import android.content.context;  public class calculateconfigurations implements serializable{      static string configlocation="configfile";      public short radix;      calculateconfigurations(){         radix=16;      }      public static calculateconfigurations loadobjectfromfile(context context){         try {             fileinputstream fis = context.openfileinput(configlocation);             objectinputstream = new objectinputstream(fis);             calculateconfigurations config = (calculateconfigurations) is.readobject();             is.close();             fis.close();             return config;         } catch (filenotfoundexception e) {             // first use case             log.v("calculateconfigurations", "first init configuration file");              return new calculateconfigurations();         } catch (ioexception e) {             e.printstacktrace();             log.e("calculateconfigurations", "fatal error, configuration file may broken");              return new calculateconfigurations();         }          catch (classnotfoundexception e) {             e.printstacktrace();             log.e("calculateconfigurations", "fatal error, unknown");              return new calculateconfigurations();         }     } }

classnotfoundexception

this in cases mixup in xml-files. if post both stacktrace , proper xml-file, easy fix it!


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