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我正在開發Android項目。 Delivery.java是交付清單,我想單擊選定的交付並重定向到DeliveryDetails.java,顯示交付的詳細信息。無法傳遞object,putExtra(),無法轉換爲android.os.Serializable
但我得到這個:
error: FATAL EXCEPTION: main
而且我的應用程序停止/崩潰時,我重定向到DeliveryDetails.java。
這裏是我的代碼:
Delivery.java(將數據發送到DeliveryDetails.java)
private ArrayList<Delivery> deliveryList;
private ListView lvDelivery;
lvDelivery.setOnItemClickListener(this);
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
Delivery selectedDelivery = deliveryList.get(i);
Intent in = new Intent(ListActivity.this, DetailActivity.class);
in.putExtra("delivery", (Serializable) selectedDelivery);
startActivity(in);
}
DeliveryDetails.java(讀/收到了來自Delivery.java數據)
Delivery delivery = (Delivery) getIntent.getSerializableExtra("product");
錯誤:
FATAL EXCEPTION: main
Process: com.example.myproject.delivery, PID: 22095
java.lang.ClassCastException: com.example.myproject.delivery.Delivery cannot be cast to android.os.Serializable
'Delivery'是否實現'Serializable'接口? – Jens