直接看关键代码
MainActivity

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.List;


public class MainActivity extends AppCompatActivity {
    private List<ItemBean> mList = new ArrayList<>();
    private ListView listView;
    private ListViewAdapter adapter;

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

    private void initListView() {
        adapter=new ListViewAdapter(MainActivity.this,R.layout.item,mList);
        listView=(ListView)findViewById(R.id.listview);
        listView.setAdapter(adapter);

  //解决与ScrollView嵌套问题
       /* Utility.setListViewHeightBasedOnChildren(listView);
        listView.setFocusable(false);*/

        for(int i=0;i<12;i++){
            ItemBean itembean=new ItemBean(R.mipmap.ic_launcher,"标题"+i);
            mList.add(itembean);
        }

       listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
           @Override
           public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
               ItemBean itemBean=mList.get(position);
               Toast.makeText(MainActivity.this,itemBean.getTitle() + "当前的位置" + position,Toast.LENGTH_SHORT).show();
           }
       });
    }

 //ScrollView与Listview嵌套
   /* public static class Utility {
        public static void setListViewHeightBasedOnChildren(ListView listView) {
            ListAdapter listAdapter = listView.getAdapter();
            if (listAdapter == null) {
                return;
            }
            int totalHeight = 0;
            for (int i = 0, len = listAdapter.getCount(); i < len; i++) {
                View listItem = listAdapter.getView(i, null, listView);
                listItem.measure(0,0);
                totalHeight += listItem.getMeasuredHeight();
            }
            ViewGroup.LayoutParams params = listView.getLayoutParams();
            params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
            listView.setLayoutParams(params);
        }
    }*/

}

适配器 ListViewAdapter

import android.content.Context;
import android.support.annotation.LayoutRes;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import java.util.List;

//继承ArrayAdapter,并且指定泛型ItemBean类(ItemBean是自定义的)
public class ListViewAdapter extends ArrayAdapter<ItemBean> {
    private int resourceId;

    //重写父类的一组构造函数(用于将上下文,子布局id,数据传递进来)
    public ListViewAdapter(@NonNull Context context, @LayoutRes int resource, @NonNull List<ItemBean> objects) {
        //引用父类中原有的方法,可使用super关键字,该关键字引用了当前类的父类。
        super(context,resource,objects);
        resourceId=resource;//赋值给全局变量
    }

    //getView()方法,是在每个子项被滚动到屏幕内时候会调用。
    @NonNull
    @Override
    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
        ItemBean itemBean=getItem(position);//通过getItem()得到当项的ItemBean实例
        View view;
        ViewHolder viewHolder;
        /*如果convertView为空,创建控件实例放在ViewHolder,调用view的seTag()方法
        将ViewHolder对象储存在View中。
        如果不为空就直接取出来*/
        if(convertView==null){
            view= LayoutInflater.from(getContext()).inflate(resourceId,parent,false);
            viewHolder=new ViewHolder();
            viewHolder.imageView=(ImageView)view.findViewById(R.id.image);
            viewHolder.textView=(TextView)view.findViewById(R.id.title);
            view.setTag(viewHolder);//将ViewHolder储存在View中
        }else {
            view=convertView;
            viewHolder=(ViewHolder)view.getTag();//重新获取ViewHoldr
        }
        viewHolder.imageView.setImageResource(itemBean.getIamgeId());
        viewHolder.textView.setText(itemBean.getTitle());
        return view;
    }

    class ViewHolder{
        ImageView imageView;
        TextView textView;
    }
}