傳遞一個 ArrayList<Object> 從一個意圖到另一個意圖

Question

我在 ActivityA 中創建了一個 ArrayList，我想將它傳遞給 ActivityB。

活動A：

ArrayList<CardDetails> cardDetailsToPass = new ArrayList<>();

        if (v.getId() == balance.getId()){
            for(CardDetails cardDetails : cardDetailsArrayList){
                int clientID = cardDetails.getClientID();
                int cardID = cardDetails.getCardID();
                int cardNo = cardDetails.getCardNo();
                int balance = cardDetails.getCardBalance();
                int availableBalance = cardDetails.getCardAvailableBalance();
                int limit = cardDetails.getCardLimit();
                int expDate = cardDetails.getExpDate();
                String status = cardDetails.getStatus();

                cardDetailsToPass.add(new CardDetails(clientID,cardID,cardNo,balance,availableBalance,limit,expDate,status));

                Log.d("Adapter","clientID               "+cardDetails.getClientID());
                Log.d("Adapter","cardID                 "+cardDetails.getCardID());
                Log.d("Adapter","cardNo                 "+cardDetails.getCardNo());
                Log.d("Adapter","cardBalance            "+cardDetails.getCardBalance());
                Log.d("Adapter","cardAvailableBalance   "+cardDetails.getCardAvailableBalance());
                Log.d("Adapter","cardLimit              "+cardDetails.getCardLimit());
                Log.d("Adapter","cardExpDate            "+cardDetails.getExpDate());
                Log.d("Adapter","cardStatus             "+cardDetails.getStatus());

            }

            Intent intent = new Intent(context, CardStatementActivity.class);
            intent.putExtra("cardDetailsToPass",cardDetailsToPass);
            context.startActivity(intent);

活動乙：

 protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_card_statement);



    Bundle extras = getIntent().getExtras();
    if(extras != null){
       //get the ArrayList here
    }
}

我嘗試了一種方法來做到這一點，但沒有成功。 傳遞對象的 ArrayList 是否需要其他東西？

Answer 1

您可以使用可序列化或可打包傳遞自定義定義對象的數組列表。

使用下面的鏈接有很大幫助

Android：Parcelable 和 Serializable 之間的區別？

Answer 2

您不能將純 Java 對象列表傳遞給Intent 。

你可以做的是CardDetails類實現Parcelable和使用方法putParcelableArrayListExtra

Answer 3

你試試下面的，你的CardDetails必須implement Parceable

intent.putParcelableArrayListExtra("key", ArrayList<T extends Parcelable> list);
startActivity(intent);

檢索它

getIntent().getParcelableArrayListExtra("key");