listViewCity.setOnItemClickListener(new OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> a, View v, int position, long id) {

                    String item = ((TextView)v).getText().toString();

                    Toast.makeText(getApplicationContext(), item, Toast.LENGTH_LONG).show();

            }
        });

listViewCity.setOnItemClickListener(new OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> a, View v, int position, long id) {
        String item = ((TextView)v.findViewById(R.id.cityName)).getText().toString();
            Toast.makeText(getApplicationContext(), item, Toast.LENGTH_LONG).show();

    }
});

convertView.setClickable(true);
    convertView.setOnClickListener(new OnClickListener() {

                    @Override
                    public void onClick(View paramView)
                    {
                      //if you want you can use the "position" value to get the desired row items.
                    }
                    });

listViewCity.setOnItemClickListener(new OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> a, View v, int position, long id) {
                     String item = listViewCity.getItemAtPosition(position).toString();

                    Toast.makeText(getApplicationContext(), item, Toast.LENGTH_LONG).show();

            }
        });