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I have following class which reads and writes an array of objects from/to a parcel: class ClassABC extends Parcelable { MyClass[] mObjList; private void readFromParcel(Parcel in) { mObjList = (MyClass[]) in.readParcelableArray( com.myApp.MyClass.class.getClassLoader())); } public void writeToParcel(Parcel out, int arg1) { out.writeParcelableArray(mObjList, 0); } private ClassABC(Parcel in) { readFromParcel(in); } public int describeContents() { return 0; } public static final Parcelable.Creator<ClassABC> CREATOR = new Parcelable.Creator<ClassABC>() { public ClassABC createFromParcel(Parcel in) { return new ClassABC(in); } public ClassABC[] newArray(int size) { return new ClassABC[size]; } }; } In above code I get a ClassCastException when reading readParcelableArray : ERROR/AndroidRuntime(5880): Caused by: java.lang.ClassCastException: [Landroid.os.Parcelable; What is wrong in above code? While writing the object array, should I first convert the array to an ArrayList ? UPDATE: Is it OK to convert an Object array to an ArrayList and add it to parcel? For instance, when writing: ArrayList<MyClass> tmpArrya = new ArrayList<MyClass>(mObjList.length); for (int loopIndex=0;loopIndex != mObjList.length;loopIndex++) { tmpArrya.add(mObjList[loopIndex]); } out.writeArray(tmpArrya.toArray()); When reading: final ArrayList<MyClass> tmpList = in.readArrayList(com.myApp.MyClass.class.getClassLoader()); mObjList= new MyClass[tmpList.size()]; for (int loopIndex=0;loopIndex != tmpList.size();loopIndex++) { mObjList[loopIn

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