这是代码的一部分,我认为这个问题是相关的。NotSerializableException:不知道是什么原因
//Enveloping class
public class BackupSMS implements Serializable{
transient Cursor cursor;
String vfile;
transient Context mContext;
private final String TAG = "BackupSMS";
SMSBackup smsBackup;
transient FileOutputStream mFileOutputStream;
public BackupSMS(Context context, String _vfile) {
mContext = context;
vfile = _vfile;
smsBackup = new SMSBackup();
}
内部类:
public class SMSBackup implements Serializable{
public ArrayList<SMSObject> SMSList;
public SMSBackup() {
SMSList = new ArrayList<SMSObject>();
}
}
public class SMSObject implements Serializable{
private String id;
private String addr;
private String msg;
.... (more private strings and getter setter methods for them)
}
//method of enveloping class.
public void writeSMSList(){
......
mFileOutputStream = mContext.openFileOutput(vfile, Context.MODE_PRIVATE);
ObjectOutputStream oos = new ObjectOutputStream(mFileOutputStream);
//smsBackup is an object of SMSBackup class created earlier.
oos.writeObject(smsBackup);
oos.close();
.......
}
我似乎没有找到图片任何不可序列化对象。任何出现问题的建议都会有所帮助。
编辑:我没有看足够接近堆栈跟踪。下面是我获得的堆栈跟踪,但它仍然没有让我更接近解决方案。有什么建议么?
java.io.NotSerializableException: android.content.ContentResolver$CursorWrapperInner
at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1364)
at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1671)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1517)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1481)
at java.io.ObjectOutputStream.writeFieldValues(ObjectOutputStream.java:979)
at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:368)
at java.io.ObjectOutputStream.writeHierarchy(ObjectOutputStream.java:1074)
at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1404)
at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1671)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1517)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1481)
at java.io.ObjectOutputStream.writeFieldValues(ObjectOutputStream.java:979)
at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:368)
at java.io.ObjectOutputStream.writeHierarchy(ObjectOutputStream.java:1074)
at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1404)
at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1671)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1517)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1481)
....还有更多这样的线条。
原因出现在消息中。它命名了一个不可序列化的类。没有什么不确定的。 – EJP
让有问题的类实现Seializable。 – Maroun
@ᴍarounᴍaroun - 这只是解决方案的一部分.... –