Code for clickable listview :

ListView lv;

String aliens[] = new String[]{"Hit Blast",};

lv= (ListView) findViewById(R.id.lv);

lv.setBackgroundColor(Color.GREEN);

ArrayAdapter<String> adapter= new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,aliens);
lv.setAdapter(adapter);lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    @Override   

 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Toast.makeText(MainActivity.this,aliens[position],Toast.LENGTH_LONG).show();    }
});