這是代碼的一部分,我認爲這個問題是相關的。NotSerializableException:不知道是什麼原因
//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();
}
內部類:
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();
.......
}
我似乎沒有找到圖片任何不可序列化對象。任何出現問題的建議都會有所幫助。
編輯:我沒有看足夠接近堆棧跟蹤。下面是我獲得的堆棧跟蹤,但它仍然沒有讓我更接近解決方案。有什麼建議麼?
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)
....還有更多這樣的線條。
原因出現在消息中。它命名了一個不可序列化的類。沒有什麼不確定的。 – EJP
讓有問題的類實現Seializable。 – Maroun
@ᴍarounᴍaroun - 這只是解決方案的一部分.... –