Listview show only last item over and over

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I am new to android development. I enrolled Udacity course and I get to where I have to use a costume arrayAdapter to display a listView of data (text) I nailed most of it but i have a problem with data displayed which is : when I launch my activity listView displays last item on may arraylist i have tried almost everything out their nothing worked for me

My Data

/**
 * Displays text to the user.
 */
public class Numbers {


    //First we Set the Stat of our Class :

    // English Translation
    public static String englishTranslation;

    //Tamazight Translation
    public static String tamazightTranslation;

    /**
     * Create a new Numbers Object :
     *
     * @param englishTranslation   is for ENGLISH NUMBERS
     * @param tamazightTranslation is for TAMAZIGHT NUMBERS
     */

    //Constructor
    public Numbers(String englishTranslation, String tamazightTranslation) {


        this.englishTranslation = englishTranslation;
        this.tamazightTranslation = tamazightTranslation;

    }

    //Getter
    public static String getEnglishTranslation() {
        return englishTranslation;
    }


    public static String getTamazightTranslation() {
        return tamazightTranslation;
    }


}

My ArrayList :

public class ActivityNumbers extends AppCompatActivity {

    //Add English numbers to The ARRAYList
    ArrayList<Numbers> englishNumbers = new ArrayList<>();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_numbers);



        englishNumbers.add(new Numbers("One", "Yan"));
        englishNumbers.add(new Numbers("Two", "Sin"));
        englishNumbers.add(new Numbers("Three", "Krad"));
        englishNumbers.add(new Numbers("Four", "Koz"));
        englishNumbers.add(new Numbers("Five", "Smos"));
        englishNumbers.add(new Numbers("Six", "Sdis"));
        englishNumbers.add(new Numbers("Seven", "Sa"));
        englishNumbers.add(new Numbers("Eight", "Tam"));
        englishNumbers.add(new Numbers("Nine", "Tza"));
        englishNumbers.add(new Numbers("Ten", "Mraw"));

        //EnglishNumbers.remove(0);
        //EnglishNumbers.size();
        // EnglishNumbers.get(1);
        //Create a NEW TV object




        /**Creating an ArrayAdapter (DATA HOLDER)
         @param Context / the ACTIVITY concerned
         @param Android.R.layout : an XML layout file contains TextView predefined by Android
         @param Items to display */


        NumbersAdapter itemsAdapter = new NumbersAdapter (this, englishNumbers);

        // Linking the ListView object to a Variable
        ListView numbersListView = (ListView) findViewById(R.id.list);
        //Calling setAdapter Method on numbersListView with "itemsAdapter
        numbersListView.setAdapter(itemsAdapter);


    }


}

My Adapter :

public class NumbersAdapter extends ArrayAdapter<Numbers> {

    public NumbersAdapter(Context context, ArrayList<Numbers> englishNumbers) {
        super(context, 0, englishNumbers);
    }

    @NonNull
    @Override
    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {

        View listItemView = convertView;
        if (listItemView == null) {
            listItemView = LayoutInflater.from(getContext()).inflate(R.layout.listitem, parent, false);
        }

        Numbers numbers = getItem(position);


        System.out.println(position);

        TextView tamazight_item = (TextView) listItemView.findViewById(R.id.tamazight_item);
        TextView english_item = (TextView) listItemView.findViewById(R.id.english_item);


        tamazight_item.setText(numbers.getEnglishTranslation());
        System.out.println(numbers.getEnglishTranslation());

        english_item.setText(numbers.getTamazightTranslation());

        System.out.println(numbers.getTamazightTranslation());


        return listItemView;

    }
}

Your tamazightTranslation and englishTranslation attributes are static on the Numbers class meaning that, those are class attributes. Remove static from the variables and from the getters and you should be fine. See the difference between class attributes and instance attributes here https://docs.oracle.com/javase/tutorial/java/javaOO/classvars.html

Listview displaying only last item, I would recommend to check your implementation of Adapter's getCount(). As it is not provided how it looks, I would looked there it should be  ListView binding to ObservableCollection can't show added item but it works for deleting item (the deleted item can disappear from the list). The adding and deleting actions are sent from another page.

try this way

Context context; 
ArrayList<Numbers> englishNumbers;

public NumbersAdapter(Context context, ArrayList<Numbers> englishNumbers) 
{
  this.context=context;
  this.englishNumbers=englishNumbers;
}

@Override
public View getView(int position, View convertView, ViewGroup parent)
{
    convertView= LayoutInflater.from(context).inflate(R.layout.listitem,parent,false);

    TextView tamazight_item = (TextView) listItemView.findViewById(R.id.tamazight_item);
    TextView english_item = (TextView) listItemView.findViewById(R.id.english_item);


    tamazight_item.setText(englishNumbers.get(position).getEnglishTranslation());
    english_item.setText(englishNumbers.get(position).getTamazightTranslation());

    return convertView;
}

And not forgot to make NumbersAdapter extends BaseAdapter

Professional Visual Basic 2012 and .NET 4.5 Programming, However, while the XAML FlipView strongly resembles that for ListView or other ItemControls you've likely seen, FlipView only shows one item at a time. To allow equivalent interaction with a mouse, when a mouse moves over a That is, when you are on the last item in the list, the button on the right does not appear. When the ListView is created and whatnot, it calls getCount(). If this returns a value different than 0 (I returned the size of the ArrayList which I’ve previously initialized in the constructor), then it calls getView() enough times to fill the screen with items. For instance, I initialized the ArrayList with 20 items.

I have changed your model class and Adapter class please follow this It will work

 public class Numbers {
    //First we Set the Stat of our Class :

    // English Translation
    private String englishTranslation;

    //Tamazight Translation
    private  String tamazightTranslation;

    public String getEnglishTranslation() {
        return englishTranslation;
    }

    public void setEnglishTranslation(String englishTranslation) {
        this.englishTranslation = englishTranslation;
    }

    public String getTamazightTranslation() {
        return tamazightTranslation;
    }

    public void setTamazightTranslation(String tamazightTranslation) {
        this.tamazightTranslation = tamazightTranslation;
    }
}

Adapter Class

    public class NumbersAdapter extends ArrayAdapter<Numbers> {
     private Context mContext;
     private ArrayList<Numbers>list;
     public NumbersAdapter(Context context, ArrayList<Numbers> englishNumbers) {
      super(context, 0, englishNumbers);
      this.mContext=context;
      this.list = englishNumbers;
    }

    @NonNull
    @Override
    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {

        View listItemView = convertView;
        if (listItemView == null) {
            listItemView = LayoutInflater.from(mContext).inflate(R.layout.listitem, parent, false);
        }

        Numbers numbers = list.get(position);


        System.out.println(position);

        TextView tamazight_item = (TextView) listItemView.findViewById(R.id.tamazight_item);
        TextView english_item = (TextView) listItemView.findViewById(R.id.english_item);


        tamazight_item.setText(numbers.getEnglishTranslation());
        System.out.println(numbers.getEnglishTranslation());

        english_item.setText(numbers.getTamazightTranslation());

        System.out.println(numbers.getTamazightTranslation());


        return listItemView;

    }
}

Create SharePoint List View to show last N items, There are more than 10 views, now no one view showing items but it is giving threshold limit warning. Threshold limit we set as 80K. Only ID column is indexed in  Set the size of the listview to 1 so that it can grow from there lv.Height = 1; Select all Open in new window. 6. Grow the control in a while loop The concept for determining the height is fairly straightforward. We scroll the first item into view and then the nth item into view over and over again. As we do this, we grow the control by one pixel.

If it is showing one last item in your listview, there might be several reasons for that.

  1. You need to override getCount() in ArrayAdapter to have size of the list. It may fix the problem.

  2. Make sure, the list view is not declared inside scrollview in your xml layout. If it is, handle it properly using nestedscrollview or else.

If it is showing the same data in all rows of your list view, then it might be

  1. In your case, you need to remove static keywords in front of properties, static means that properties or methods belong to Number class, not to the instance of your Number class object. Basically, it must be the reason.

Flutter For Dummies, The essence of Listing 8-7 is a call to Flutter's ListView.builder constructor. With the code in Listing 8-7, the list's last item is Rocky 25. But if you omit the In theory, the list has more items than the user sees on the device's screen. In reality​, Flutter juggles list items and keeps only enough to fill the user's screen. When an  When running in virtual mode, the ListView doesn't host any data, instead the only thing it needs to know is, how many rows/lines it has. A callback method has to be provided in order to pass over the data to display, whenever the visible lines the control is able to display at a given time, scroll into view.

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ListView, To display a list, you can include a list view in your layout XML file: To display a more custom view for each item in your dataset, implement a android:​autofilledHighlight, Drawable to be drawn over the view to mark it as autofilled. May be This is called as the last phase of inflation, after all child views have been added. Before I start the loop to update the items, I call the BeginUpdateItems method. After the loop I call the EndUpdateItems method. All works fine and the items are updated without the listview flickering. The only problem is that if other window moves over the control, the region without items are not updated and displays the other window.

Comments
  • is this full code of your array adpater class?
  • Please format your code properly.
  • Thank you Tiago i had struggled with this for along time..i already tried it without static but didn't work then..but now it Worked like Magic :) Thank You Soooo Much <3
  • Appreciate your Help :)
  • Thank you i'll try this Code :)
  • Ok Don't forget to accept this answer if it help you