IntentExtra 콜렉션 [] 배열을 전달하려고하지만 작동하지 않습니다. 다른 작업에서는 왜 객체 배열을 통해 객체 배열을 전달할 수 없습니까?
Intent intent = new Intent(SzabadEuMusorokLeirasActivity.this, SzabadEuMusorokViewActivity.class);
JSONdata jsonData = new JSONdata("http://1956.osaarchivum.org/api/items?collection=13");
intent.putExtra("ARRAY_EXTRA", jsonData.getCollections());
startActivity(intent);
:
Intent intent = getIntent();
Parcelable[] parcelables = intent.getParcelableArrayExtra("ASD");
mCollections = Arrays.copyOf(parcelables, parcelables.length, Collection[].class);
는 parcelables.length가 null 있기 때문에 NullPointerException이 도착 mCollections Arrays.copyOf = (...) 라인에 들어가면 ...
public class Collection implements Parcelable{
private String mTitile;
private String mSubject;
private String mMediaURL;
public Collection() {}
protected Collection(Parcel in){
mTitile = in.readString();
mSubject = in.readString();
mMediaURL = in.readString();
}
public static final Creator<Collection> CREATOR = new Creator<Collection>() {
@Override
public Collection createFromParcel(Parcel in) {
return new Collection(in);
}
@Override
public Collection[] newArray(int size) {
return new Collection[size];
}
};
public String getTitile() {
return mTitile;
}
public void setTitile(String titile) {
mTitile = titile;
}
public String getSubject() {
return mSubject;
}
public void setSubject(String subject) {
mSubject = subject;
}
public String getMediaURL() {
return mMediaURL;
}
public void setMediaURL(String mediaURL) {
mMediaURL = mediaURL;
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(mTitile);
dest.writeString(mSubject);
dest.writeString(mMediaURL);
}
}
,369 : 여기는 컬렉션 클래스입니다
[this] (http://stackoverflow.com/questions/5460222/pass-an-array-of-custom-objects-android) 질문 및 [this] (http://stackoverflow.com/questions/13778485/how-do-i-send-an-array-of-objects-from-one-activity-to-another) –
[개체를 보내는 방법 인 텐트를 사용하여 다른 Android 활동에 하나의 Android 활동?] (http://stackoverflow.com/questions/2139134/how-to-send-an-object-from-one-android-activity-to-another-using-intents) – theduck