MainActivity

package com.example.fabao.seusigno;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;


public class MainActivity extends AppCompatActivity {
    ListView lista;
    ArrayAdapter adapter;

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

        lista = (ListView) findViewById(R.id.lista);
        adapter = new ArrayAdapter(this,
                android.R.layout.simple_list_item_1,
                getResources().getStringArray(R.array.signos));

        lista.setAdapter(adapter);

        lista.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
                Intent telaSigno = new Intent(getApplicationContext(), SignoActivity.class);
                telaSigno.putExtra("i", i);
                startActivity(telaSigno);
            }
        });

    }
}