im un débutant à Java et Android, je reçois le suivi:ObjectInputStream java.io.StreamCorruptedException: Format incorrect: 0 sucettes et marshmalow
"java.io.StreamCorruptedException: Format incorrect: 0"
quand j'essaye de relire l'objet. mais je l'obtiens seulement sur les appareils de sucette et de guimauve, quand je cours ceci au Nougat (7.1) je n'ai aucun problème du tout. des suggestions?
public class MainActivity extends AppCompatActivity {
public final String FILE_NAME = "FILE_NAME";
private List<Item>;
private ReadWriteFunctions readWriteFunctions = new ReadWriteFunctions();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final Bitmap defaultBitmap = BitmapFactory.decodeResource(this.getResources(), R.drawable.no_pic);
//Read from internal storage
items =readWriteFunctions.readObj(this,FILE_NAME);
if (items == null){//if the file don't exist it returns null
items = new ArrayList<>();
items.add(new Item(false,"",defaultBitmap));
Log.d("readObj", "Created new list");
}
Code de classe:
public class ReadWriteFunctions {
public ArrayList<Item> readObj(Context context, String fileName) {
ArrayList<Item> arrayList;
try {
FileInputStream fis = context.openFileInput(fileName);
ObjectInputStream ois = new ObjectInputStream(fis);
arrayList = (ArrayList<Item>) ois.readObject();
ois.close();
return arrayList;
}catch (IOException | ClassNotFoundException e){
e.printStackTrace();
return null;
}
}
public void writObj(Context context,String fileName,Object obj) {
try {
FileOutputStream fos = context.openFileOutput(fileName,Context.MODE_PRIVATE);
ObjectOutputStream oos = new ObjectOutputStream(fos);
oos.writeObject(obj);
oos.close();
Log.d("writObj", "Saved");
}catch (IOException e){
e.printStackTrace();
Log.d("writObj", "Save Fault");
}
}
}
public class article implémente Serializable {
private boolean itemChecked;
private String itemText;
private transient Bitmap itemPicture;
public Item(Item item) {//Constructor that receive item
this.setItemChecked(item.isItemChecked());
this.setItemText(item.getItemText());
this.setItemPicture(item.getItemPicture());
}
public Item(boolean itemChecked, String itemText, Bitmap itemPicture) {
this.itemChecked = itemChecked;
this.itemText = itemText;
this.itemPicture = itemPicture;
}
public boolean isItemChecked() {
return itemChecked;
}
public void setItemChecked(boolean itemChecked) {
this.itemChecked = itemChecked;
}
public String getItemText() {
return itemText;
}
public void setItemText(String itemText) {
this.itemText = itemText;
}
public Bitmap getItemPicture() {
return itemPicture;
}
public void setItemPicture(Bitmap itemPicture) {
this.itemPicture = itemPicture;
}
private void writeObject(java.io.ObjectOutputStream out) throws IOException {
itemPicture.compress(Bitmap.CompressFormat.PNG, 100, out);
out.defaultWriteObject();
}
private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
itemPicture = BitmapFactory.decodeStream(in);
in.defaultReadObject();
}
}
article Item.readObject –
a publié la classe d'objet –
à quoi bon maintenant que vous avez supprimé l'erreur ... [mcve] –