Is it the right way to do it? The writeToParcel method of my
Restaurant object is never called...
The error seems to be in
outState.putParcelableArrayList("restoList",
(ArrayList<Restaurant>)restaurantList.getRestaurants());
and I get in my LogCat:
07-05 19:34:13.846: WARN/ActivityManager(563): Activity pause timeout
for HistoryRecord{436950f8 {org.digitalfarm.atable/
org.digitalfarm.atable.Atable}}
07-05 19:34:28.336: DEBUG/AndroidRuntime(808): Shutting down VM
07-05 19:34:28.336: WARN/dalvikvm(808): threadid=3: thread exiting
with uncaught exception (group=0x4000fe70)
07-05 19:34:28.336: ERROR/AndroidRuntime(808): Uncaught handler:
thread main exiting due to uncaught exception
07-05 19:34:28.637: DEBUG/dalvikvm(808): GC freed 3337 objects /
259288 bytes in 94ms
07-05 19:34:28.647: ERROR/AndroidRuntime(808):
java.lang.RuntimeException: Unable to pause activity
{org.digitalfarm.atable/org.digitalfarm.atable.Atable}:
java.lang.ClassCastException: java.util.LinkedList
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.app.ActivityThread.performPauseActivity(ActivityThread.java:
2840)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.app.ActivityThread.performPauseActivity(ActivityThread.java:
2797)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.app.ActivityThread.handlePauseActivity(ActivityThread.java:
2780)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.app.ActivityThread.access$2000(ActivityThread.java:112)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:1699)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.os.Handler.dispatchMessage(Handler.java:99)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.os.Looper.loop(Looper.java:123)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.app.ActivityThread.main(ActivityThread.java:3948)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
java.lang.reflect.Method.invokeNative(Native Method)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
java.lang.reflect.Method.invoke(Method.java:521)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
com.android.internal.os.ZygoteInit
$MethodAndArgsCaller.run(ZygoteInit.java:782)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
dalvik.system.NativeStart.main(Native Method)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): Caused by:
java.lang.ClassCastException: java.util.LinkedList
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
org.digitalfarm.atable.Atable.onSaveInstanceState(Atable.java:254)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.app.Activity.performSaveInstanceState(Activity.java:1008)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.app.Instrumentation.callActivityOnSaveInstanceState(Instrumentation.java:
1256)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): at
android.app.ActivityThread.performPauseActivity(ActivityThread.java:
2822)
07-05 19:34:28.647: ERROR/AndroidRuntime(808): ... 12 more
thanks for your help
On Jul 5, 6:31 pm, Kostya Vasilyev <kmans...@gmail.com> wrote:
> Jul,
>
> Parcelable implementation looks good, except for the questionable cast
> to ArrayList<Restaurant>, but that shouldn't have any effect.
>
> What error are you getting, exactly?
>
> -- Kostya
>
> 05.07.2010 20:20, jul пишет:
>
>
>
> > Hi,
>
> > I want to save a list of Parcelable Restaurant objects on
> > onSaveInstanceState. I created a Restaurant class extending Parcelable
> > and a RestaurantList object, both shown below. In my main activity I
> > fill my RestauranList directly from json internet data using GSON:
>
> > restaurantList = gson.fromJson(r, RestaurantList.class);
>
> > Now, when I want to save the List of Restaurant objects using
>
> > protected void onSaveInstanceState(Bundle outState) {
>
> > if (restaurantList != null ) {
> > outState.putParcelableArrayList("restoList",
> > (ArrayList<Restaurant>)restaurantList.getRestaurants());
> > }
>
> > super.onSaveInstanceState(outState);
> > }
>
> > I get an error, I guess because Parcelable data are not written. How
> > should I do it? Do I have to create an array of Parcel objects in my
> > main activity and fill it by calling writeToParcel for each of the
> > Restaurant objects?
>
> > thanks for any suggestion
>
> > Julien
>
> > **************************RestaurantList
> > class**************************
>
> > public class RestaurantList {
>
> > private List<Restaurant> restaurants = new
> > ArrayList<Restaurant>();
>
> > public int getSize() {
> > return restaurants.size();
> > }
>
> > public List<Restaurant> getRestaurants() {
> > return this.restaurants;
> > }
>
> > public Restaurant getRestaurant(int i) {
> > return this.restaurants.get(i);
> > }
>
> > public void setRestaurants(List<Restaurant> restaurants) {
> > this.restaurants = restaurants;
> > }
>
> > public List<String> getRestaurantNames() {
>
> > List<String> restaurantNames = new ArrayList<String>();
>
> > for (int i=0; i<this.restaurants.size(); i++) {
>
> > restaurantNames.add(this.restaurants.get(i).getName());
> > }
>
> > return restaurantNames;
> > }
>
> > }
>
> > **************************Restaurant class**************************
>
> > public class Restaurant implements Parcelable{
>
> > private String name;
> > /* more stuff */
>
> > public Restaurant() {}
>
> > public String getName() {
> > return this.name;
> > }
>
> > public void setName(String name) {
> > this.name = name;
> > }
>
> > public void writeToParcel(Parcel out, int flags) {
>
> > out.writeStringArray(new String[] {this.name, /* more
> > stuff*/});
>
> > }
>
> > public static final Parcelable.Creator CREATOR = new
> > Parcelable.Creator() {
>
> > public Restaurant createFromParcel(Parcel in) { return new
> > Restaurant(in); }
>
> > public Restaurant[] newArray(int size) { return new
> > Restaurant[size]; }
>
> > };
>
> > private Restaurant(Parcel in) {
>
> > String[] stringData = new String[6];
>
> > in.readStringArray(stringData);
>
> > this.name = stringData[0];
> > /* more stuff */
>
> > }
>
> > public int describeContents(){
> > return 0;
> > }
>
> > }
>
> --
> Kostya Vasilev -- WiFi Manager + pretty widget --http://kmansoft.wordpress.com
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