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Android Android Lists and Adapters (2015) Using Parcelable Data Reading Parcelable Data

Zubeyr Aciksari
Zubeyr Aciksari
21,074 Points

Now we are ready to read the parcel in. In the constructor that takes a Parcel parameter, add code to set the member var

Can someone please send me the answer? I am stuck here.. Thanks!

VideoGame.java
public class VideoGame implements Parcelable {

    public String mTitle = "";
    public int mYear = 0;

    public VideoGame() {
        // intentionally blank
    }

    // getters and setters omitted for brevity!

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

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeString(mTitle);
        dest.writeInt(mYear);
    }

    public VideoGame(Parcel in) {
        // Task 1 code here!
      mTitle = in.readString();
    }

    public static final Creator<VideoGame> CREATOR = new Creator<VideoGame>() {
        @Override
        public VideoGame createFromParcel(Parcel source) {
            // Task 2 code here!
          mYear = source.readInt();
          mTitle = source.readString();
            return null;
        }

        @Override
        public VideoGame[] newArray(int size) {
            // Task 3 code here!
          mTitle = size.readString();
          mYear= size.readInt();

            return new VideoGame[0];
        }
    };
}

3 Answers

Daniel Hartin
Daniel Hartin
18,106 Points

Hi Zubeyr

I haven't had any experience with Parcelables so this maybe incorrect however it did pass the challenge. The challenge asks you to set the member variables inside the Constructor which takes a Parcel as a parameter. I entered the following two lines where commented in the challenge.

mTitle = in.readString();
mYear = in.readInt();

Hopefully i'm correct in assuming the readInt and readString method calls were correct in returning the data you require.

Hope this helps

Sorry I couldn't give a more detailed explanation perhaps someone else will be able to elaborate

Thanks Daniel

Zubeyr Aciksari
Zubeyr Aciksari
21,074 Points

Thanks, i was considering tas1, task 2 as the objects that need to be parsed and was confused when i saw task 3 as there wasnt 3 objects in the question.. Thanks anyway :)

Alex Londono
Alex Londono
2,033 Points

I found various solutions on different threads, so I'm just going to combine all 3 steps onto the example below:

public class VideoGame implements Parcelable {

    public String mTitle = "";
    public int mYear = 0;

    public VideoGame() {
        // intentionally blank
    }

    // getters and setters omitted for brevity!

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

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeString(mTitle);
        dest.writeInt(mYear);
    }

    public VideoGame(Parcel in) {
        // Task 1 code here!
      mTitle = in.readString();
mYear = in.readInt();
    }

    public static final Creator<VideoGame> CREATOR = new Creator<VideoGame>() {
        @Override
        public VideoGame createFromParcel(Parcel source) {
            // Task 2 code here!
            return new VideoGame(source);
        }

        @Override
        public VideoGame[] newArray(int size) {
            // Task 3 code here!
         return new VideoGame[size];
        }
    };
}

You're welcome in advance :O