row.setOnLongClickListener(new View.OnLongClickListener()

    {
        @Override
        public boolean onLongClick(View v) {
            PopupMenu popMenu = new PopupMenu(v.getContext(), v);
            popMenu.getMenuInflater().inflate(R.menu.picturetalk_popup_menu, popMenu.getMenu());
            popMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
                @Override
                public boolean onMenuItemClick(MenuItem menuItem) {
                    switch (menuItem.getItemId()) {

                        case R.id.edit:

                            Intent intent = new Intent(getContext(), EditPicture.class);
                            intent.putExtra("itemUUID", item.getId());
                            String s = new String("");
                            context.startActivity(intent);
                            break;

                        case R.id.remove:
                            FileInteraction fileInteraction = new FileInteraction();
                            fileInteraction.deleteFilesAndFolder(item.getImagePath());
                            item.setTitle("");
                            notifyDataSetChanged();
                            break;

                        default:
                            //

                    }
                    return true;
                }
            });
            popMenu.show();
            return true;
        }
    });
    return row;

public class EditPicture extends Activity {

private EditText text;
private Button applyBtn;
private ArrayList<PictureItem> piArray;
private PictureItem pi;
private UUID itemID;
private PictureTalkFragment ptf;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    itemID = (UUID) getIntent().getSerializableExtra("itemUUID");
    SetLocalArray(ptf.getArray());  //Nullpoint here, and i know why. But not how to get the allready created instance of this class
    getPictureItem();
    setContentView(R.layout.picturetalk_edit_pic);
    text = (EditText) findViewById(R.id.editName);
    text.setText(pi.getTitle());
    applyBtn = (Button) findViewById(R.id.applyChangeBtn);
    applyBtn.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            updatePictureItem();
            ptf.setArray(piArray);
        }
    });


}

private void updatePictureItem() {

    pi.setTitle(text.toString());
    piArray.add(pi);
    ptf.setArray(piArray);

}

private void SetLocalArray(ArrayList<PictureItem> array) {
    this.piArray = array;
}

private PictureItem getPictureItem() {
    pi = new PictureItem("", "");

    for (int i = 0; i < piArray.size(); i++) {
        if (itemID.equals(piArray.get(i))) {
            pi = piArray.get(i);
            piArray.remove(i);

        }

    }
    return pi;
}}