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Java 无法封送可序列化数据上的值_Java_Android_Serialization_Hashmap - Fatal编程技术网

Java 无法封送可序列化数据上的值

Java 无法封送可序列化数据上的值,java,android,serialization,hashmap,Java,Android,Serialization,Hashmap,在尝试将哈希映射传递给MainActivity类(TabooCards实现可序列化)时,我遇到以下错误。我在这里读到HashMap是可序列化的,HashMap中包含的任何对象也必须是可序列化的。我假设Integer是可序列化的,我知道TabooCards是可序列化的,那么出了什么问题 代码: AsyncTask onPostExecute: protected void onPostExecute(HashMap<Integer, TabooCard> result) {

在尝试将哈希映射传递给MainActivity类(TabooCards实现可序列化)时,我遇到以下错误。我在这里读到HashMap是可序列化的,HashMap中包含的任何对象也必须是可序列化的。我假设
Integer
是可序列化的,我知道
TabooCards
是可序列化的,那么出了什么问题

代码:

AsyncTask onPostExecute:

protected void onPostExecute(HashMap<Integer, TabooCard> result) {
            super.onPostExecute(result);
            Intent i = new Intent(getBaseContext(), MainActivity.class);
            i.putExtra("TABOO_CARDS", tabooCards);
            startActivity(i);
        }
public class TabooCard implements Serializable{

    /**
     * 
     */
    private static final long serialVersionUID = -6996042490365349623L;
    String mainWord, taboo1, taboo2, taboo3, taboo4, taboo5;

    public TabooCard() {
        this("Main Card", "Taboo 1", "Taboo 2", "Taboo 3", "Taboo 4", "Taboo 5");
    }

    public TabooCard(String mainword, String taboo1, String taboo2, String taboo3, String taboo4, String taboo5) {
        setMainWord(mainword);
        setTaboo1(taboo1);
        setTaboo2(taboo2);
        setTaboo3(taboo3);
        setTaboo4(taboo4);
        setTaboo5(taboo5);
    }

      //Various getter/setter methods
Logcat

   E/AndroidRuntime(28441): FATAL EXCEPTION: main
E/AndroidRuntime(28441): Process: com.jaytj.taboo, PID: 28441
E/AndroidRuntime(28441): java.lang.RuntimeException: Parcel: unable to marshal value com.jaytj.taboo.TabooCard@42d2fce8
E/AndroidRuntime(28441):        at android.os.Parcel.writeValue(Parcel.java:1266)
E/AndroidRuntime(28441):        at android.os.Parcel.writeMapInternal(Parcel.java:594)
E/AndroidRuntime(28441):        at android.os.Parcel.writeMap(Parcel.java:578)
E/AndroidRuntime(28441):        at android.os.Parcel.writeValue(Parcel.java:1197)
E/AndroidRuntime(28441):        at android.os.Parcel.writeArrayMapInternal(Parcel.java:618)
E/AndroidRuntime(28441):        at android.os.Bundle.writeToParcel(Bundle.java:1692)
E/AndroidRuntime(28441):        at android.os.Parcel.writeBundle(Parcel.java:636)
E/AndroidRuntime(28441):        at android.content.Intent.writeToParcel(Intent.java:7410)
E/AndroidRuntime(28441):        at android.app.ActivityManagerProxy.startActivity(ActivityManagerNative.java:2289)
E/AndroidRuntime(28441):        at android.app.Instrumentation.execStartActivity(Instrumentation.java:1437)
E/AndroidRuntime(28441):        at android.app.Activity.startActivityForResult(Activity.java:3511)
E/AndroidRuntime(28441):        at android.app.Activity.startActivityForResult(Activity.java:3472)
E/AndroidRuntime(28441):        at android.app.Activity.startActivity(Activity.java:3714)
E/AndroidRuntime(28441):        at android.app.Activity.startActivity(Activity.java:3682)
E/AndroidRuntime(28441):        at com.jaytj.taboo.SplashActivity$AsyncWordGrabber.onPostExecute(SplashActivity.java:47)
E/AndroidRuntime(28441):        at com.jaytj.taboo.SplashActivity$AsyncWordGrabber.onPostExecute(SplashActivity.java:1)
E/AndroidRuntime(28441):        at android.os.AsyncTask.finish(AsyncTask.java:632)
E/AndroidRuntime(28441):        at android.os.AsyncTask.access$600(AsyncTask.java:177)
E/AndroidRuntime(28441):        at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
E/AndroidRuntime(28441):        at android.os.Handler.dispatchMessage(Handler.java:102)
E/AndroidRuntime(28441):        at android.os.Looper.loop(Looper.java:157)
E/AndroidRuntime(28441):        at android.app.ActivityThread.main(ActivityThread.java:5356)
E/AndroidRuntime(28441):        at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime(28441):        at java.lang.reflect.Method.invoke(Method.java:515)
E/AndroidRuntime(28441):        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1265)
E/AndroidRuntime(28441):        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1081)
E/AndroidRuntime(28441):        at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:132)
E/AndroidRuntime(28441):        at dalvik.system.NativeStart.main(Native Method)

使用可打包且不可序列化的。 读这个

这就是你的班级应该做的:

import android.os.Parcel;

import android.os.Parcelable;

public class TabooCard implements Parcelable {


    public static final Parcelable.Creator<TabooCard> CREATOR = new Parcelable.Creator<TabooCard>()
    {
        @Override
        public TabooCard createFromParcel(Parcel source)
        {
            return new TabooCard(source);
        }

        @Override
        public TabooCard[] newArray(int size)
        {
            return new TabooCard[size];
        }
    };

    String mainWord, taboo1, taboo2, taboo3, taboo4, taboo5;

    public TabooCard() {
        this("Main Card", "Taboo 1", "Taboo 2", "Taboo 3", "Taboo 4", "Taboo 5");
    }

    public TabooCard(String mainword, String taboo1, String taboo2, String taboo3, String taboo4, String taboo5) {
        setMainWord(mainword);
        setTaboo1(taboo1);
        setTaboo2(taboo2);
        setTaboo3(taboo3);
        setTaboo4(taboo4);
        setTaboo5(taboo5);
    }

    public TabooCard(Parcel in) {
        setMainWord(in.readString());
        setTaboo1(in.readString());
        setTaboo2(in.readString());
        setTaboo3(in.readString());
        setTaboo4(in.readString());
        setTaboo5(in.readString());
    }

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeString(mainWord);
        dest.writeString(taboo1);
        dest.writeString(taboo2);
        dest.writeString(taboo3);
        dest.writeString(taboo4);
        dest.writeString(taboo5);
    }
导入android.os.packet;
导入android.os.Parcelable;
公共类禁忌卡实现可包裹{
public static final Parcelable.Creator=新建Parcelable.Creator()
{
@凌驾
公共禁忌卡createFromParcel(包裹来源)
{
返回新禁忌卡(来源);
}
@凌驾
公共禁忌卡[]新数组(整数大小)
{
返回新的禁忌卡[尺寸];
}
};
字符串主词,禁忌1,禁忌2,禁忌3,禁忌4,禁忌5;
公共禁忌卡(){
这(“主牌”、“禁忌1”、“禁忌2”、“禁忌3”、“禁忌4”、“禁忌5”);
}
公共禁忌卡(字符串主字、字符串禁忌1、字符串禁忌2、字符串禁忌3、字符串禁忌4、字符串禁忌5){
setMainWord(mainword);
setTaboo1(taboo1);
setTaboo2(taboo2);
setTaboo3(taboo3);
setTaboo4(taboo4);
setTaboo5(taboo5);
}
公共禁忌卡(包裹内){
setMainWord(in.readString());
setTaboo1(in.readString());
setTaboo2(in.readString());
setTaboo3(in.readString());
setTaboo4(in.readString());
setTaboo5(in.readString());
}
@凌驾
公共int描述内容(){
返回0;
}
@凌驾
公共无效写入包裹(包裹目的地,内部标志){
目的地书面记录(主字);
目的地书面限制(禁忌1);
目的书面限制(禁忌2);
目的书面限制(禁忌3);
目的书面限制(禁忌4);
目的书面限制(禁忌5);
}

Parcelable是一个接口,在android.os包中。它是在API级别1中添加的,因此如果您有SDK,您就有了Parcelable接口。(您可以参考)如何在
writeToParcel()方法中实现
位图
图像?