Mọi người, tôi đang gặp khó khăn trên một ứng dụng Android mới mà tôi đang phát triển. Đối với ứng dụng (trò chơi bài) tôi cần lưu một số dữ liệu. Tôi sử dụng Serialization để thực hiện điều đó.Java ném NotSerializableException sau khi thêm giao diện riêng
Bây giờ vấn đề: Khi tôi cố gắng thực hiện một giao diện tôi thực hiện để theo dõi các đối tượng nộp biến, ứng dụng trả về một NoSerializableException từ lớp game (hoạt động chính). Mọi thứ đều hoạt động khi tôi xóa giao diện.
lớp Những biến chứa đoạn mã sau:
public class Turn<T> implements Serializable{
/**
*
*/
private static final long serialVersionUID = 1L;
public interface OnTurnEndedListener<T>{
void onTurnEnded(T currentPlayer);
}
private ArrayList<T> players;
private int turnIndex;
private int rounds;
private ArrayList<OnTurnEndedListener<T>> turnEndListenerList;
public Turn() {
throw new UnsupportedOperationException("cannot init without players");
}
public Turn(ArrayList<T> players, int startingPlayerIndex) {
this.players = players;
this.turnIndex = startingPlayerIndex;
this.rounds = 0;
turnEndListenerList = new ArrayList<OnTurnEndedListener<T>>();
}
public int getRounds() {
return rounds;
}
public T next() {
turnIndex = (turnIndex + 1) % players.size();
if (turnIndex == 0) {
rounds++;
}
T retVal = players.get(turnIndex);
for (OnTurnEndedListener<T> l : turnEndListenerList) {
l.onTurnEnded(retVal);
}
return retVal;
}
public T peek() {
return players.get(turnIndex);
}
public void addOnTurnEndedListener(OnTurnEndedListener<T> l) {
this.turnEndListenerList.add(l);
}
}
Khi tôi thêm đoạn mã sau vào các hoạt động chính (game) tôi nhận được một ngoại lệ mỗi khi tôi đóng hoạt động.
gameData.getTurn().addOnTurnEndedListener(new Turn.OnTurnEndedListener<Hand>() {
@Override
public void onTurnEnded(Hand hand) {
turnEndedHandler(hand);
}
});
Bạn có thể tìm mã đầy đủ của lớp Game và GameData cũng như nhật ký lỗi bên dưới.
import java.util.ArrayList;
import java.util.Collections;
import android.app.Activity;
import android.content.Intent;
import android.content.res.Configuration;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup.LayoutParams;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
public class Game extends Activity implements OnTouchListener{
private Deck deck;
private GameData gameData;
Hand playerHand, oppHand;
private ImageView ivDeckClosed, ivDeckOpen, ivPlayerCard1, ivPlayerCard2,ivPlayerCard3, ivPlayerCard4, ivPlayerCard5, ivPlayerCard6,ivPlayerCard7, ivPlayerCard8, ivPlayerCard9, ivPlayerCard10,ivPlayerCard11, ivPlayerCard12, ivPlayerCard13, ivPlayerCard14;
private ImageView[] playerCards;
private TextView tvOpp1;
private ArrayList<Hand> playersInOrder;
private LinearLayout llPlayGround,llPlayGroundRow1,llPlayGroundRow2,llCardDeck;
private ArrayList<PlayedSet> playedSets;
public static final String SAVE_FILENAME = "jokerensave.ser";
private SaveHandler savehandler;
private Hand currentHand;
private int defaultStartingPlayer = 0;
public static enum STATES {
start, resume, end
};
public static final int START_CODE = 0;
public static final int RESUME_CODE = 1;
public static final String GAME_STATE = "STATE";
public static final String GAME_DATA = "GameData";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d("PUKI","onCreate");
// Get save game
savehandler = SaveHandler.getInstance(this);
gameData = savehandler.readLastState();
setContentView(R.layout.gamescreen);
// Load which state was given by the mainscreen
switch ((STATES) getIntent().getExtras().get(GAME_STATE)) {
case start:
gameData.setFirstRun(true);
Log.i("ONCREATE", "Received state: start");
break;
case resume:
gameData.setFirstRun(false);
Log.i("ONCREATE", "Received state: resume");
break;
default:
gameData.setFirstRun(true);
Log.i("ONCREATE", "Received state: none");
break;
}
// Transferring game data to MainScreen
Bundle b = new Bundle();
b.putInt("int", 5);
b.putSerializable(GAME_DATA, gameData);
Intent i = new Intent();
i.putExtras(b);
setResult(0, i);
}
@Override
protected void onStart() {
super.onStart();
Log.d("PUKI","onStart");
Log.i("FIRSTRUN", "Firstrun = "+gameData.getFirstRun());
init(gameData.getFirstRun());
gameData.getTurn().addOnTurnEndedListener(new Turn.OnTurnEndedListener<Hand>() {
@Override
public void onTurnEnded(Hand hand) {
turnEndedHandler(hand);
}
});
}
private void init(boolean first) {
initGraphics(first);
Log.i("INIT", "Game init graphics");
if (first) {
Log.i("INIT", "Game init core");
initGameCore();
}
}
private void initGameCore() {
deck = new Deck();
playedSets = new ArrayList<PlayedSet>();
// Create array with players and their hand
playersInOrder = new ArrayList<Hand>();
playerHand = new PlayerHand(playerCards, "Player name");
playersInOrder.add(playerHand);
oppHand = new OppHand(new GameStrategy(), null, "Opponent");
playersInOrder.add(oppHand);
// Push all data to gamedata class
gameData.init(playerHand, oppHand, playersInOrder, deck, playedSets, new Turn<Hand>(playersInOrder,defaultStartingPlayer));
gameData.setGameInProgress(true);
// Deal cards to players
dealCards();
}
//TODO
protected void turnEndedHandler(final Hand hand) {
if(hand.isAwaitingInput()){
// This means the turn is for a human player, so do nothing.
Log.i("TURN", "The turn is for the human player: "+hand.getPlayerName());
}
else{
// This means the turn is for a AI. Decide!
Log.i("TURN", "The turn is for the AI player: "+hand.getPlayerName());
gameData.getTurn().next();
// Update players hand size for human player
this.updateOppScore();
}
}
(Tôi đã gỡ bỏ rất nhiều mã từ ví dụ trên, bởi vì mã mà là không cần thiết để giải quyết vấn đề này)
import java.io.Serializable;
import java.util.ArrayList;
public class GameData implements Serializable {
/**
*
*/
private static final long serialVersionUID = -3796450525724090900L;
private Hand playerHand, oppHand;
private ArrayList<Hand> playersInOrder;
private Deck deck;
private boolean gameInProgress,grabbedCard,playerMustThrow,firstRun;
private ArrayList<PlayedSet> playedSets;
private Turn<Hand> turn;
private static GameData instance = new GameData();
public GameData(){
// Do nothing
}
public static GameData getInstance(){
return instance;
}
public void init(Hand playerHand, Hand oppHand, ArrayList<Hand> playersInOrder, Deck deck, ArrayList<PlayedSet> playedSets, Turn<Hand> turn) {
this.playerHand = playerHand;
this.playersInOrder = playersInOrder;
this.oppHand = oppHand;
this.deck = deck;
this.grabbedCard = false;
this.playerMustThrow = false;
this.playedSets = playedSets;
this.firstRun = false;
this.turn = turn;
}
public Hand getPlayerHand(){
return playerHand;
}
public Hand getOppHand(){
return oppHand;
}
public Deck getDeck(){
return deck;
}
public ArrayList<Hand> getPlayersInOrder(){
return playersInOrder;
}
public void setGrabbedCard(boolean set){
this.grabbedCard = set;
}
public boolean getGrabbedCard(){
return grabbedCard;
}
public void setGameInProgress(boolean progress) {
this.gameInProgress = progress;
}
public boolean isGameInProgress(){
return gameInProgress;
}
public void createNewPlaySet(PlayedSet newSet){
playedSets.add(newSet);
}
public ArrayList<PlayedSet> getAllPlayedSets(){
return playedSets;
}
public void setPlayerCanThrow(boolean set){
this.playerMustThrow = set;
}
public boolean canPlayerThrow(){
return playerMustThrow;
}
public boolean getFirstRun(){
return firstRun;
}
public void setFirstRun(boolean set){
this.firstRun = set;
}
public Turn<Hand> getTurn(){
return turn;
}
}
Log:
01-20 21:05:16.678: W/dalvikvm(27035): threadid=1: thread exiting with uncaught exception (group=0x40c5c1f8)
01-20 21:05:16.693: E/AndroidRuntime(27035): FATAL EXCEPTION: main
01-20 21:05:16.693: E/AndroidRuntime(27035): java.lang.RuntimeException: Parcelable encountered IOException writing serializable object (name = nl.dirkgroenen.jokeren.GameData)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.os.Parcel.writeSerializable(Parcel.java:1181)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.os.Parcel.writeValue(Parcel.java:1135)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.os.Parcel.writeMapInternal(Parcel.java:493)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.os.Bundle.writeToParcel(Bundle.java:1612)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.os.Parcel.writeBundle(Parcel.java:507)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.content.Intent.writeToParcel(Intent.java:6224)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.app.ActivityManagerProxy.finishActivity(ActivityManagerNative.java:1831)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.app.Activity.finish(Activity.java:3709)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.app.Activity.onBackPressed(Activity.java:2124)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.app.Activity.onKeyUp(Activity.java:2099)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.view.KeyEvent.dispatch(KeyEvent.java:2633)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.app.Activity.dispatchKeyEvent(Activity.java:2334)
01-20 21:05:16.693: E/AndroidRuntime(27035): at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:1958)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.view.ViewRootImpl.deliverKeyEventPostIme(ViewRootImpl.java:3565)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.view.ViewRootImpl.handleFinishedEvent(ViewRootImpl.java:3538)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2646)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.os.Handler.dispatchMessage(Handler.java:99)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.os.Looper.loop(Looper.java:137)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.app.ActivityThread.main(ActivityThread.java:4511)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.lang.reflect.Method.invokeNative(Native Method)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.lang.reflect.Method.invoke(Method.java:511)
01-20 21:05:16.693: E/AndroidRuntime(27035): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:980)
01-20 21:05:16.693: E/AndroidRuntime(27035): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:747)
01-20 21:05:16.693: E/AndroidRuntime(27035): at dalvik.system.NativeStart.main(Native Method)
01-20 21:05:16.693: E/AndroidRuntime(27035): Caused by: java.io.NotSerializableException: nl.dirkgroenen.jokeren.Game$6
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1364)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1671)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1517)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1481)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.util.ArrayList.writeObject(ArrayList.java:644)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.lang.reflect.Method.invokeNative(Native Method)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.lang.reflect.Method.invoke(Method.java:511)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeHierarchy(ObjectOutputStream.java:1053)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1404)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1671)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1517)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1481)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeFieldValues(ObjectOutputStream.java:979)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:368)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeHierarchy(ObjectOutputStream.java:1074)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1404)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1671)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1517)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1481)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeFieldValues(ObjectOutputStream.java:979)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:368)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeHierarchy(ObjectOutputStream.java:1074)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeNewObject(ObjectOutputStream.java:1404)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObjectInternal(ObjectOutputStream.java:1671)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1517)
01-20 21:05:16.693: E/AndroidRuntime(27035): at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:1481)
01-20 21:05:16.693: E/AndroidRuntime(27035): at android.os.Parcel.writeSerializable(Parcel.java:1176)
01-20 21:05:16.693: E/AndroidRuntime(27035): ... 23 more
Làm cho 'Private ArrayList> turnEndListenerList;' tạm thời giải quyết vấn đề, nhưng tạo ra một lỗi mới (không liên quan đến vấn đề này). Tôi sẽ cố gắng làm cho nó serializable và xem những gì mà không. –