Adapter

ArrayAdapter

public class act3 extends AppCompatActivity{
    ListView listView;


    String[] cities={"chengdu","beijing","guangzhou","sichuan","bazhong"};
    ArrayList<String >arrayList;
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.adater);

        listView=findViewById(R.id.listView);
        arrayList=new ArrayList<>(Arrays.asList(cities));
        // 数据适配器

        final ArrayAdapter<String> arrayAdapter=new ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,arrayList);

        listView.setAdapter(arrayAdapter);




        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Toast.makeText(act3.this,"you choose"+cities[position],Toast.LENGTH_SHORT).show();
            }
        });



        listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {

                arrayList.remove(position);
                arrayAdapter.notifyDataSetChanged();

                return  true;
            }
        });

    }
}

SimpleAdapter

public class act3 extends AppCompatActivity{
    ListView listView;


    String[] cities={"chengdu","beijing","guangzhou","sichuan","bazhong"};
    ArrayList<HashMap<String ,String> >arrayList=new ArrayList<>();
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.adater);

        listView=findViewById(R.id.listView);


        HashMap<String,String>hashMap=new HashMap<>();
        hashMap.put("city","chengdu");
        hashMap.put("province","sichuan");
        arrayList.add(hashMap);

        hashMap=new HashMap<>();
        hashMap.put("city","beijing");
        hashMap.put("province","shoudu");
        arrayList.add(hashMap);


        hashMap=new HashMap<>();
        hashMap.put("city","chongqing");
        hashMap.put("province","zhixia");
        arrayList.add(hashMap);


        hashMap=new HashMap<>();
        hashMap.put("city","xian");
        hashMap.put("province","shanxi");
        arrayList.add(hashMap);



        //数据适配器

        final SimpleAdapter simpleAdapter=new SimpleAdapter(this,arrayList,R.layout.city,new String[]{"city","province"},new  int[]{R.id.citycity,R.id.province});

        listView.setAdapter(simpleAdapter);



        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Toast.makeText(act3.this,"you choose"+arrayList.get(position),Toast.LENGTH_SHORT).show();
            }
        });



        listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {

                arrayList.remove(position);
                simpleAdapter.notifyDataSetChanged();

                return  true;
            }
        });

    }
}

BaseAdapter
.0

public class act3 extends AppCompatActivity{
    ListView listView;


    String[] cities={"chengdu","beijing","guangzhou","sichuan","bazhong"};
    ArrayList<Person>arrayList=new ArrayList<>();
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.adater);

        listView=findViewById(R.id.listView);


        arrayList.add(new Person("nanan",12));
        arrayList.add(new Person("gaoyueyang",34));
        arrayList.add(new Person("luyu",35));
        arrayList.add(new Person("qq",23));





        //数据适配器

     final PersonAdapter personAdapter=new PersonAdapter();
     listView.setAdapter(personAdapter);

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                Toast.makeText(act3.this,"you choose"+arrayList.get(position),Toast.LENGTH_SHORT).show();
            }
        });



        listView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {

                arrayList.remove(position);
               personAdapter.notifyDataSetChanged();

                return  true;
            }
        });

    }


    class PersonAdapter extends BaseAdapter{

        @Override
        public int getCount() {
            return arrayList.size();
        }

        @Override
        public Object getItem(int position) {
            return arrayList.get(position);
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

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

            if(convertView ==null){

                convertView= LayoutInflater.from(act3.this).inflate(R.layout.city,null);

                viewHolder=new ViewHolder();
                viewHolder.name=convertView.findViewById(R.id.citycity);
                viewHolder.age=convertView.findViewById(R.id.province);
                
                convertView.setTag(viewHolder);
            }else {
                viewHolder=(ViewHolder)convertView.getTag();
            }
            Person person=arrayList.get(position);
            viewHolder.name.setText(person.getName());
            viewHolder.age.setText(""+person.getAge());
            return  convertView;

        }
    }
    static  class  ViewHolder{
        TextView name;
        TextView age;
    }




}