Pass ArrayList

  • The problem is in writing out to the parcel and reading in from the parcel …

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeString(name);
        dest.writeInt(numOfSeason);
        dest.writeInt(numOfEpisode);
    }
    
    private void readFromParcel(Parcel in) {
        name = in.readString();
        numOfSeason = in.readInt();
        numOfEpisode = in.readInt();
    }
    
  • What you write out has to match what you read in…

    @Override
     protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    
    Intent i = new Intent(this,SecondActivity.class);
    
    ArrayList<testparcel> testing = new ArrayList<testparcel>();
    
    i.putParcelableArrayListExtra("extraextra", testing);
    startActivity(i);
    }
    
        /**********************************************/
    
    
    public class SecondActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    
        ArrayList<testparcel> testing = this.getIntent().getParcelableArrayListExtra("extraextra");
     }
    }
    
  • The above code is having onCreate() from two different activities. The first one launches the second one; and it works fine I was able to pull the parcelable without issue.

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