اشتراک گذاری یک فیلد از لیست ویو بوسیله یک دکمه

 public class sharedlist extends ListActivity {

    private String[]          items;
    private database          db;

    private Typeface          nazanin;
    private Typeface          homa;

    private SharedPreferences sp;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.sharedlist);

        db = new database(this);
        db.open();

        items = new String[db.count("content")];

        nazanin = Typeface.createFromAsset(getAssets(), "Font/nazanin.ttf");
        homa = Typeface.createFromAsset(getAssets(), "Font/homa.ttf");
        sp = getApplicationContext().getSharedPreferences("setting", 0);

        setListAdapter(new AAD());

    }


    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        super.onListItemClick(l, v, position, id);

        Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
        sharingIntent.setType("text/plain");
        sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, db.Display_shared(position, 2).toString());
        startActivity(Intent.createChooser(sharingIntent, "اشتراک گذاری از طریق"));

    }


    class AAD extends ArrayAdapter {

        public AAD() {
            super(sharedlist.this, R.layout.row, items);
        }


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

            LayoutInflater in = getLayoutInflater();
            View row = in.inflate(R.layout.row, parent, false);

            TextView username = (TextView) row.findViewById(R.id.row_username);
            TextView maintext = (TextView) row.findViewById(R.id.row_maintext);

            username.setText("..::" + db.Display_shared(position, 1).toString() + "::..");
            maintext.setText(db.Display_shared(position, 2).toString());

            if (sp.getString("font", "homa").equals("nazanin")) {

                maintext.setTypeface(nazanin);

            } else if (sp.getString("font", "homa").equals("homa")) {

                maintext.setTypeface(homa);

            }

            if (sp.getString("size", "k").equals("k")) {

                maintext.setTextSize(18);

            } else if (sp.getString("size", "k").equals("b")) {

                maintext.setTextSize(25);

            }

            return (row);

        }

    }


    @Override
    protected void onPause() {
        super.onPause();
        db.close();
    }
}

  public class sharedlist extends ListActivity {

    private String[]          items;
    private database          db;

    private Typeface          nazanin;
    private Typeface          homa;

    private SharedPreferences sp;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.sharedlist);

        db = new database(this);
        db.open();

        items = new String[db.count("content")];

        nazanin = Typeface.createFromAsset(getAssets(), "Font/nazanin.ttf");
        homa = Typeface.createFromAsset(getAssets(), "Font/homa.ttf");
        sp = getApplicationContext().getSharedPreferences("setting", 0);

        setListAdapter(new AAD());

    }


    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        super.onListItemClick(l, v, position, id);

    }


    class AAD extends ArrayAdapter {

        public AAD() {
            super(sharedlist.this, R.layout.row, items);
        }


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

            LayoutInflater in = getLayoutInflater();
            View row = in.inflate(R.layout.row, parent, false);

            TextView username = (TextView) row.findViewById(R.id.row_username);
            TextView maintext = (TextView) row.findViewById(R.id.row_maintext);

            username.setText("..::" + db.Display_shared(position, 1).toString() + "::..");
            maintext.setText(db.Display_shared(position, 2).toString());

final ImageButton shareIt = (ImageButton) row.findViewById(R.id.shareIt);
			shareIt.setOnClickListener(new OnClickListener() {
				@Override
				public void onClick(View v) {
					Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
					sharingIntent.setType("text/plain");
					sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, db.Display_shared(position, 2).toString());
					startActivity(Intent.createChooser(sharingIntent,"اشتراک گذاری از طریق"));
				}
			});

            if (sp.getString("font", "homa").equals("nazanin")) {

                maintext.setTypeface(nazanin);

            } else if (sp.getString("font", "homa").equals("homa")) {

                maintext.setTypeface(homa);

            }

            if (sp.getString("size", "k").equals("k")) {

                maintext.setTextSize(18);

            } else if (sp.getString("size", "k").equals("b")) {

                maintext.setTextSize(25);

            }

            return (row);

        }

    }


    @Override
    protected void onPause() {
        super.onPause();
        db.close();
    }
}