android - 使用 android bundle 时，为什么序列化程序堆栈反序列化为 ArrayList？

Question

序列化:

Bundle activityArguments = new Bundle();
Stack<Class<? extends WizardStep>> wizardSteps = new Stack<Class<? extends WizardStep>>();
wizardSteps.push(CreateAlarmStep5View.class);
wizardSteps.push(CreateAlarmStep4View.class);
wizardSteps.push(CreateAlarmStep3View.class);
wizardSteps.push(CreateAlarmStep2View.class);
wizardSteps.push(CreateAlarmStep1View.class);
        
activityArguments.putSerializable("WizardSteps", wizardSteps);

反序列化:

Stack<Class<? extends WizardStep>> wizardSteps = 
(Stack<Class<? extends WizardStep>>) getIntent().getExtras().getSerializable("WizardSteps");

异常(exception):

12-20 23:19:45.698: E/AndroidRuntime(12145): Caused by: java.lang.ClassCastException: java.util.ArrayList cannot be cast to java.util.Stack

Answer 1

已知bug .我很惊讶它仍然存在。

使用通用容器，如:

public class SerializableHolder implements Serializable {
private Serializable content;
public Serializable get() {
    return content;
}
public SerializableHolder(Serializable content) {
    this.content = content;
 }
}

如果您使用 GSON 库，请将您的 Stack 转换为 String 并在没有 Serialize 的情况下将其用作 Bundle 的单个 String。它应该工作。