고정 이유를 모를 때 : BOTTOMClassNotFoundException가 비 정렬 화 정말
AT 답변 나는 parcelable 객체를 사용하려고 시도하는 프로젝트 및 메신저에 대한 안드로이드 응용 프로그램을 쓰고 있어요. 나는 parcalable 클래스가 2 개 있습니다. 첫 번째 클래스는 2 개의 인수 만있는 일반 클래스입니다. 두 번째 클래스는 추가 특성이있는 클래스와 첫 번째 클래스의 형식 및 추가 Object 형식의 목록입니다.
를 비 정렬 할 때 ClassNotFoundException가 앱은 종료 :
내가 다른 활동에 두 번째 클래스의 개체를 전달하려고 할 때마다, 나는 android.os.BadParcelableException를 얻을.
몇 시간 씩 검색해 보았지만 여러 가지 해결책을 시도했지만 아무런 도움이되지 않았습니다.
이package de.softwareproject.v3.testclasses;
import android.os.Parcel;
import android.os.Parcelable;
public class Cart implements Parcelable {
private String name;
private Integer priceInCents;
public Cart() {}
public Cart(Parcel in){
readFromParcel(in);
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getPriceInCents() {
return priceInCents;
}
public void setPriceInCents(Integer priceInCents) {
this.priceInCents = priceInCents;
}
public static final Parcelable.Creator<Cart> CREATOR = new Parcelable.Creator<Cart>() {
@Override
public Cart createFromParcel(Parcel source) {
return new Cart(source);
}
@Override
public Cart[] newArray(int size) {
return new Cart[size];
}
};
@Override
public int describeContents() {
// TODO Auto-generated method stub
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(name);
dest.writeInt(priceInCents);
}
private void readFromParcel(Parcel in) {
name = in.readString();
priceInCents = in.readInt();
}
}
제 2의 클래스 :
package de.softwareproject.v3.testclasses;
import java.util.ArrayList;
import java.util.List;
import android.os.Parcel;
import android.os.Parcelable;
public class CurrentUser implements Parcelable {
private String username;
private String eMail;
private String password;
private List<Cart> carts;
private Cart activeCart;
public CurrentUser() {}
public CurrentUser(Parcel in) {
readFromParcel(in);
}
private void readFromParcel(Parcel in) {
username = in.readString();
eMail = in.readString();
password = in.readString();
activeCart = in.readParcelable(de.softwareproject.v3.testclasses.Cart.class.getClassLoader());
if (carts == null){ carts = new ArrayList<Cart>(); }
in.readTypedList(carts, Cart.CREATOR);
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String geteMail() {
return eMail;
}
public void seteMail(String eMail) {
this.eMail = eMail;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public List<Cart> getCarts() {
return carts;
}
public void setCarts(List<Cart> carts) {
this.carts = carts;
}
public Cart getActiveCart() {
return activeCart;
}
public void setActiveCart(Cart activeCart) {
this.activeCart = activeCart;
}
@Override
public int describeContents() {
// TODO Auto-generated method stub
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(username);
dest.writeString(eMail);
dest.writeString(password);
dest.writeTypedList(carts);
dest.writeParcelable(activeCart, flags);
}
public static final Parcelable.Creator<CurrentUser> CREATOR = new Parcelable.Creator<CurrentUser>() {
@Override
public CurrentUser createFromParcel(Parcel in) {
return new CurrentUser(in);
}
@Override
public CurrentUser[] newArray(int size) {
return new CurrentUser[size];
}
};
}
제발 도와주세요 난 단지 다른 활동으로 첫 번째 클래스의 객체를 통과 할 때 오류가 .. 여기 내 코드를
올 나던.
편집 : 여기 내 로그 캣
03-15 16:24:08.139: E/Parcel(689): Class not found when unmarshalling: ??, e: java.lang.ClassNotFoundException: ??
03-15 16:24:08.149: D/AndroidRuntime(689): Shutting down VM
03-15 16:24:08.149: W/dalvikvm(689): threadid=1: thread exiting with uncaught exception (group=0x409961f8)
03-15 16:24:08.229: E/AndroidRuntime(689): FATAL EXCEPTION: main
03-15 16:24:08.229: E/AndroidRuntime(689): java.lang.RuntimeException: Unable to start activity ComponentInfo{de.softwareproject.v3/de.softwareproject.v3.Startpage}: android.os.BadParcelableException: ClassNotFoundException when unmarshalling: ??
03-15 16:24:08.229: E/AndroidRuntime(689): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1955)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1980)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.app.ActivityThread.access$600(ActivityThread.java:122)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1146)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.os.Handler.dispatchMessage(Handler.java:99)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.os.Looper.loop(Looper.java:137)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.app.ActivityThread.main(ActivityThread.java:4340)
03-15 16:24:08.229: E/AndroidRuntime(689): at java.lang.reflect.Method.invokeNative(Native Method)
03-15 16:24:08.229: E/AndroidRuntime(689): at java.lang.reflect.Method.invoke(Method.java:511)
03-15 16:24:08.229: E/AndroidRuntime(689): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
03-15 16:24:08.229: E/AndroidRuntime(689): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
03-15 16:24:08.229: E/AndroidRuntime(689): at dalvik.system.NativeStart.main(Native Method)
03-15 16:24:08.229: E/AndroidRuntime(689): Caused by: android.os.BadParcelableException: ClassNotFoundException when unmarshalling: ??
03-15 16:24:08.229: E/AndroidRuntime(689): at android.os.Parcel.readParcelable(Parcel.java:1966)
03-15 16:24:08.229: E/AndroidRuntime(689): at de.softwareproject.v3.testclasses.CurrentUser.readFromParcel(CurrentUser.java:26)
03-15 16:24:08.229: E/AndroidRuntime(689): at de.softwareproject.v3.testclasses.CurrentUser.<init>(CurrentUser.java:19)
03-15 16:24:08.229: E/AndroidRuntime(689): at de.softwareproject.v3.testclasses.CurrentUser$1.createFromParcel(CurrentUser.java:80)
03-15 16:24:08.229: E/AndroidRuntime(689): at de.softwareproject.v3.testclasses.CurrentUser$1.createFromParcel(CurrentUser.java:1)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.os.Parcel.readParcelable(Parcel.java:1992)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.os.Parcel.readValue(Parcel.java:1854)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.os.Parcel.readMapInternal(Parcel.java:2094)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.os.Bundle.unparcel(Bundle.java:223)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.os.Bundle.getParcelable(Bundle.java:1158)
03-15 16:24:08.229: E/AndroidRuntime(689): at de.softwareproject.v3.Startpage.onCreate(Startpage.java:34)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.app.Activity.performCreate(Activity.java:4465)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
03-15 16:24:08.229: E/AndroidRuntime(689): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1919)
03-15 16:24:08.229: E/AndroidRuntime(689): ... 11 more
03-15 16:24:10.289: I/Process(689): Sending signal. PID: 689 SIG: 9
마침내 오류를 발견하고 난 그냥 보라 괴물이 없습니다 FIX!
거의 1 1/2 일 동안 검색하고 정확한 순서에없는 때문에 필요한 모든 readFromParcel 또는 writeToParcel의 마지막 두 가지 방법을 전환했다!
믿을 수 없지만 작동합니다. 동일한 실수를하는 모든 사람에게 writeToParcel 및 readFromParcel의 순서를 확인하십시오. Thay가 같은 순서 여야합니다.
좋은 하루 되세요, 기독교 마침내 오류를 발견하고 난 그냥 보라 괴물이 없습니다 **
logcat을 게시하면 예외가 발생한 곳을 정확히 볼 수 있습니다. – DigCamara
나는 당신이 그것을 읽을 수 있기를 바랍니다 –
당신의 입력의 타당성을 증명해 주었습니까? – MemLeak