我有一个包含地图的片段。片段使用对象的arraylist来获取它从父节点接收的标记的位置和描述。问题是，即使我将
05-07 15:39:55.453: E/Parcel(24252): Class not found when unmarshalling: com.ictcsu.DatabaseClasses.sentdata, e: java.lang.ClassNotFoundException: com.ictcsu.DatabaseClasses.sentdata
05-07 15:39:55.453: D/AndroidRuntime(24252): Shutting down VM
05-07 15:39:55.453: W/dalvikvm(24252): threadid=1: thread exiting with uncaught exception (group=0x40fe72a0)
05-07 15:39:55.473: E/AndroidRuntime(24252): FATAL EXCEPTION: main
05-07 15:39:55.473: E/AndroidRuntime(24252): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.ictcsu.testapp1/com.ictcsu.viewdata.Activity_Viewdata}: android.os.BadParcelableException: ClassNotFoundException when unmarshalling: com.ictcsu.DatabaseClasses.sentdata
05-07 15:39:55.473: E/AndroidRuntime(24252): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2070)
05-07 15:39:55.473: E/AndroidRuntime(24252): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2095)
05-07 15:39:55.473: E/AndroidRuntime(24252): at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3568)
05-07 15:39:55.473: E/AndroidRuntime(24252): at android.app.ActivityThread.access$700(ActivityThread.java:134)
05-07 15:39:55.473: E/AndroidRuntime(24252): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1209)
05-07 15:39:55.473: E/AndroidRuntime(24252): at android.os.Handler.dispatchMessage(Handler.java:99)
05-07 15:39:55.473: E/AndroidRuntime(24252): at android.os.Looper.loop(Looper.java:137)
05-07 15:39:55.473: E/AndroidRuntime(24252): at android.app.ActivityThread.main(ActivityThread.java:4830)
05-07 15:39:55.473: E/AndroidRuntime(24252): at java.lang.reflect.Method.invokeNative(Native Method)
05-07 15:39:55.473: E/AndroidRuntime(24252): at java.lang.reflect.Method.invoke(Method.java:511)
05-07 15:39:55.473: E/AndroidRuntime(24252): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
05-07 15:39:55.473: E/AndroidRuntime(24252): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556)
05-07 15:39:55.473: E/AndroidRuntime(24252): at dalvik.system.NativeStart.main(Native Method)
05-07 15:39:55.473: E/AndroidRuntime(24252): Caused by: android.os.BadParcelableException: ClassNotFoundException when unmarshalling: com.ictcsu.DatabaseClasses.sentdata
它说我的班级即使确实存在也找不到！这是我的片段代码
public class Fragment_map extends Fragment{
private static final String TAG = Fragment_map.class.getSimpleName();
private static final String MYLIST = "myList";
List<Marker> markers = new ArrayList<Marker>();
MapView mMapView;
private static GoogleMap googleMap;
private selector selectorListener;
private static ArrayList<sentdata> data = new ArrayList<sentdata>();
private Boolean mInitialCreate;
public static Fragment_map newInstance(ArrayList<sentdata> _data){
Log.i(TAG, "List Size:" + _data.size());
Fragment_map newfragment_map = new Fragment_map();
Bundle args = newfragment_map.getArguments();
if(args==null){
args = new Bundle();
}
args.putParcelableArrayList(MYLIST, _data);
newfragment_map.setArguments(args);
return newfragment_map;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
Fragment parentFragment = getParentFragment();
if (parentFragment != null && parentFragment instanceof selector) {
selectorListener = (selector) parentFragment;
}
else if (activity != null && activity instanceof selector) {
selectorListener = (selector) activity;
}
else if (selectorListener == null) {
Log.w(TAG, "onAttach: niether the parent fragment or parent activity implement OnImageSelectedListener, "
+ "image selections will not be communicated to other components");
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//super.onCreate(savedInstanceState);
Log.w(TAG, "here in OCREATE Of map");
Bundle args = getArguments();
if (args != null) {
data = args.getParcelableArrayList(MYLIST);
}
if (savedInstanceState != null) {
data = savedInstanceState.getParcelableArrayList(MYLIST);
if(data.size()!=0){
for(int i=0; i< data.size(); i++){
Log.w(TAG,data.get(i).gettmp());
}
}
mInitialCreate = false;
}else {
mInitialCreate = true;
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_map, container, false);
mMapView = (MapView) rootView.findViewById(R.id.map);
mMapView.onCreate(savedInstanceState);
mMapView.onResume();// needed to get the map to display immediately
try {
MapsInitializer.initialize(getActivity().getApplicationContext());
} catch (Exception e) {
e.printStackTrace();
}
googleMap = mMapView.getMap();
googleMap.setOnMarkerClickListener(new OnMarkerClickListener()
{
@Override
public boolean onMarkerClick(Marker arg0) {
for(int i=0; i< markers.size();i++){
if(arg0.equals(markers.get(i))){ // if marker source is clicked
Log.w(TAG,"Clicked");
selectorListener.setlist(i);
}
// display toast;
}
return true;
}
});
if(data.size()!=0 && data !=null){
setmap();
}
if (mInitialCreate) {
mInitialCreate = false;
}
return rootView;
}
public void setmap(){
for(int i=0; i<data.size();i++){
double lat = Double.parseDouble(data.get(i).getlat());
double longt = Double.parseDouble(data.get(i).getlong());
Marker marker = googleMap.addMarker(new MarkerOptions()
.title("Hello Maps")
.icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_ROSE))
.position(new LatLng(lat, longt)));
// Changing marker icon
// marker.showInfoWindow();
// adding marker
markers.add(marker);
}
markers.get(0).showInfoWindow();
CameraPosition cameraPosition = new CameraPosition.Builder()
.target(new LatLng(Double.parseDouble(data.get(0).getlat()), Double.parseDouble(data.get(0).getlong()))).zoom(75).build();
googleMap.animateCamera(CameraUpdateFactory
.newCameraPosition(cameraPosition));
}
public void setview(double lat, double longt, int num){
//MarkerOptions marker = new MarkerOptions().position(
// new LatLng(lat, longt)).title("Hello Maps");
// Changing marker icon
//marker.icon(BitmapDescriptorFactory
// .defaultMarker(BitmapDescriptorFactory.HUE_ROSE));
// adding marker
//googleMap.addMarker(marker);
Log.i(TAG, "___Check data:"+ num);
for(int i=0;i<markers.size();i++){
markers.get(i).hideInfoWindow();
}
markers.get(num).showInfoWindow();
CameraPosition cameraPosition = new CameraPosition.Builder()
.target(new LatLng(Double.parseDouble(data.get(num).getlat()), Double.parseDouble(data.get(num).getlong()))).zoom(90).build();
googleMap.animateCamera(CameraUpdateFactory
.newCameraPosition(cameraPosition));
}
@Override
public void onResume() {
super.onResume();
mMapView.onResume();
}
@Override
public void onPause() {
super.onPause();
mMapView.onPause();
}
@Override
public void onDestroy() {
super.onDestroy();
mMapView.onDestroy();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mMapView.onLowMemory();
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if (savedInstanceState != null) {
data = savedInstanceState.getParcelableArrayList(MYLIST);
mInitialCreate = false;
}
Log.v(TAG, "onActivityCreated");
}
@Override
public void onViewStateRestored(Bundle savedInstanceState) {
super.onViewStateRestored(savedInstanceState);
Log.v(TAG, "onViewStateRestored");
}
@Override
public void onStart() {
super.onStart();
Log.v(TAG, "onStart");
}
@Override
public void onStop() {
super.onStop();
Log.v(TAG, "onStop");
}
@Override
public void onDestroyView() {
super.onDestroyView();
Log.v(TAG, "onDestroyView");
}
@Override
public void onSaveInstanceState(Bundle outState) {
Log.v(TAG, "onSaveInstanceState");
outState.putParcelableArrayList(MYLIST, data);
super.onSaveInstanceState(outState);
}
}
我甚至尝试在 onActivityCreated 中检索该捆绑包但仍然无效。我试图在我的Logcat中显示保存在OnCreate上的 savedInstanceState 中的arraylist，但它根本不是空的。我检查了我的课程并搜索了一些错误，但似乎没问题。
public class sentdata implements Parcelable{
private int _id;
private String _data="";
private String _lat="";
private String _long="";
private String _img="";
private String _imgP="";
private int _sntvia;
private String _snttime="";
private String _template="";
public sentdata(){}
public sentdata( String data, String lat, String longt, String img, String imgp, int sntvia, String sntime, String template ){
this._data = data;
this._lat = lat;
this._long = longt;
this._img = img;
this._imgP = imgp;
this._sntvia = sntvia;
this._snttime = sntime;
this._template = template;
}
public sentdata( int id, String data, String lat, String longt, String img, String imgp, int sntvia, String sntime, String template ){
this._id = id;
this._data = data;
this._lat = lat;
this._long = longt;
this._img = img;
this._imgP = imgp;
this._sntvia = sntvia;
this._snttime = sntime;
this._template = template;
}
public int getid(){
return this._id;
}
public void setid(int id){
this._id = id;
}
public void setdata(String data){
this._data = data;
}
public String getdata(){
return this._data;
}
public void setlat(String lat){
this._lat = lat;
}
public String getlat(){
return this._lat;
}
public void setlong(String longt){
this._long = longt;
}
public String getlong(){
return this._long;
}
public void setimg(String img){
this._img = img;
}
public String getimg(){
return this._img;
}
public void setimgP (String imgP){
this._imgP = imgP;
}
public String getimgP(){
return this._imgP;
}
public void setsentvia(int sntvia){
this._sntvia = sntvia;
}
public int getsentvia(){
return this._sntvia;
}
public void setsentTime(String sentime ){
this._snttime = sentime;
}
public String getsenttime(){
return this._snttime;
}
public void settemp (String tmp ){
this._template = tmp;
}
public String gettmp(){
return this._template;
}
@Override
public int describeContents() {
// TODO Auto-generated method stub
return 0;
}
public sentdata(Parcel source){
_id = source.readInt();
_data = source.readString();
_lat = source.readString();
_long = source.readString();
_img = source.readString();
_imgP = source.readString();
_sntvia = source.readInt();
_snttime = source.readString();
_template = source.readString();
}
@Override
public void writeToParcel(Parcel dest, int flags) {
// TODO Auto-generated method stub
dest.writeInt(_id);
dest.writeString(_data);
dest.writeString(_lat);
dest.writeString(_long);
dest.writeString(_img);
dest.writeString(_imgP);
dest.writeInt(_sntvia);
dest.writeString(_snttime);
dest.writeString(_template);
}
public static final Parcelable.Creator<sentdata> CREATOR = new Parcelable.Creator<sentdata>() {
@Override
public sentdata createFromParcel(Parcel source) {
// TODO Auto-generated method stub
return new sentdata(source);
}
@Override
public sentdata[] newArray(int size) {
// TODO Auto-generated method stub
return new sentdata[size];
}
};
}
请帮帮我。我花了差不多一天的时间来处理这个错误并且找不到解决方案。我认为我的地图可能有问题，但我在我的项目中使用谷歌地图是新的。请帮忙。！先感谢您。
答案 0 :(得分：0)
你应该尝试使用：
args.setClassLoader(sentData.getClassLoader())
在您获取数据之前