通过android活动传递arraylist

通过android活动传递arraylist,android,arraylist,Android,Arraylist,当您在com.netvariant.zain.model.Question类上获得名为Creator的错误Parcelable.Creator对象时,您需要在问题类中实现一个Creator,如下所示: public String getSubTitle() { return subTitle; } public void setSubTitle(String subTitle) { this.subTitle = subTitle; } public String getId

当您在com.netvariant.zain.model.Question类上获得名为Creator的错误Parcelable.Creator对象时,您需要在问题类中实现一个Creator,如下所示:

public String getSubTitle() {
    return subTitle;
}

public void setSubTitle(String subTitle) {
    this.subTitle = subTitle;
}

public String getId() {
    return id;
}

public void setId(String id) {
    this.id = id;
}

public String getUrl() {
    return url;
}

public void setUrl(String url) {
    this.url = url;
}

public String getLatitude() {
    return latitude;
}

public void setLatitude(String latitude) {
    this.latitude = latitude;
}

public String getLongitude() {
    return longitude;
}

public void setLongitude(String longitude) {
    this.longitude = longitude;
}

String title="";
String subTitle="";
String id="";
String url="";
String latitude="";
String longitude="";

public Question(String title, String subTitle, String id, String url, String latitude, String longitude) {
    this.title = title;
    this.subTitle = subTitle;
    this.id = id;
    this.url = url;
    this.latitude = latitude;
    this.longitude = longitude;
}

// Your existing methods go here. (There is no need for me to re-write them.) 

// The following methods that are required for using Parcelable
private Question(Parcel in) {
    // This order must match the order in writeToParcel()
    title = in.readString();
    subTitle = in.readString();
    id = in.readString();
    url = in.readString();
    latitude = in.readString();
    longitude = in.readString();
    // Continue doing this for the rest of your member data
}

public void writeToParcel(Parcel out, int flags) {
    // Again this order must match the Question(Parcel) constructor
    out.writeString(title);
    out.writeString(subTitle);
    out.writeString(id);
    out.writeString(url);
    out.writeString(latitude);
    out.writeString(longitude);
    // Again continue doing this for the rest of your member data
}

// Just cut and paste this for now
public int describeContents() {
    return 0;
}

}

我们能看看航海日志吗?我给你看。它得到打印的accountitems 35,然后得到打印的hee..然后在这里打印2。。但在此之后,数组列表ques=extras.getParcelableArrayListauthoritems;System.out.printlnhere+ques.size;它不会被打印出来。它在getparcelablearraylistok上崩溃,但崩溃的原因是什么?Parcelable协议要求在com.netvariant.zain.model.Question类上有一个名为Creator的Parcelable.Creator对象,我很高兴能帮助您。
  import android.os.Parcel;
   import android.os.Parcelable;
   public class Question implements Parcelable {
public String getTitle() {
    return title;
}
public void setTitle(String title) {
    this.title = title;
}
public String getSubTitle() {
    return subTitle;
}

public void setSubTitle(String subTitle) {
    this.subTitle = subTitle;
}

public String getId() {
    return id;
}

public void setId(String id) {
    this.id = id;
}

public String getUrl() {
    return url;
}

public void setUrl(String url) {
    this.url = url;
}

public String getLatitude() {
    return latitude;
}

public void setLatitude(String latitude) {
    this.latitude = latitude;
}

public String getLongitude() {
    return longitude;
}

public void setLongitude(String longitude) {
    this.longitude = longitude;
}

String title="";
String subTitle="";
String id="";
String url="";
String latitude="";
String longitude="";

public Question(String title, String subTitle, String id, String url, String latitude, String longitude) {
    this.title = title;
    this.subTitle = subTitle;
    this.id = id;
    this.url = url;
    this.latitude = latitude;
    this.longitude = longitude;
}

// Your existing methods go here. (There is no need for me to re-write them.) 

// The following methods that are required for using Parcelable
private Question(Parcel in) {
    // This order must match the order in writeToParcel()
    title = in.readString();
    subTitle = in.readString();
    id = in.readString();
    url = in.readString();
    latitude = in.readString();
    longitude = in.readString();
    // Continue doing this for the rest of your member data
}

public void writeToParcel(Parcel out, int flags) {
    // Again this order must match the Question(Parcel) constructor
    out.writeString(title);
    out.writeString(subTitle);
    out.writeString(id);
    out.writeString(url);
    out.writeString(latitude);
    out.writeString(longitude);
    // Again continue doing this for the rest of your member data
}

// Just cut and paste this for now
public int describeContents() {
    return 0;
}

}
  public static final Parcelable.Creator<Question> CREATOR = new Parcelable.Creator<Question>() {
     public Question createFromParcel(Parcel in) {
           ///
        }

       public Question[] newArray(int size) {
          ///
      }
   };