ListView em Android

Prévia do material em texto

Arquivos sobre ListView desenvolvida em sala de aula:
- MainActivity:
package com.example.cardslistviews;
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;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
 String[] listaNomes = {"nome1", "nome2", "nome3", "nome4", "nome5", "nome6", "nome7",
 "nome8", "nome9", "nome10", "nome11", "nome12", "nome13", "nome14"};
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 ArrayAdapter<String> meuAdaptador = new ArrayAdapter<>(getApplicationContext(),
 android.R.layout.simple_list_item_1, listaNomes);
 ListView minhaLista = findViewById(R.id.minhaLista);
 minhaLista.setAdapter(meuAdaptador);
 minhaLista.setOnItemClickListener(new AdapterView.OnItemClickListener() {
 @Override
 public void onItemClick(AdapterView<?> parent, View view, int i, long id) {
 Toast.makeText(MainActivity.this, ""+listaNomes[i],
 Toast.LENGTH_SHORT).show();
 }
 });
 }
}
- acitivity_main
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:app="http://schemas.android.com/apk/res-auto"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 tools:context=".MainActivity">
 <ListView
 android:id="@+id/minhaLista"
 android:layout_width="357dp"
 android:layout_height="675dp"
 android:layout_alignParentStart="true"
 android:layout_alignParentLeft="true"
 android:layout_alignParentTop="true"
 android:layout_alignParentEnd="true"
 android:layout_alignParentRight="true"
 android:layout_marginStart="27dp"
 android:layout_marginLeft="27dp"
 android:layout_marginTop="45dp"
 android:layout_marginEnd="27dp"
 android:layout_marginRight="27dp" />
</RelativeLayout>