给ListVlew提供点击按钮添加新数据，单击项目修改，长按删除功能，

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.wang.testapp2.TestActivity10"
    android:orientation="vertical">

    <GridView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/gv_1"
        android:numColumns="4"
        android:stretchMode="columnWidth"
        android:gravity="center"
        android:horizontalSpacing="30dp"
        android:columnWidth="120dp"
        ></GridView>

      <Button
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="添加"
          android:onClick="bt10_OnClick"/>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="20dp">

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="请选择图片"
        android:id="@+id/et_3"/>
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="请输入名称"
        android:id="@+id/et_4"/>



</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:layout_width="110dp"
        android:layout_height="90dp"
        android:id="@+id/iv_3"
        android:layout_gravity="center"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/tv_9"
        android:text="内容"
        android:layout_gravity="center"/>

</LinearLayout>

package com.example.wang.testapp2;

import android.app.ActionBar;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

public class TestActivity10 extends AppCompatActivity {

    GridView gv_1;

    List<MyClass> lm;
//    List<Integer> liv;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_test10);

        GridView gv_1=(GridView)findViewById(R.id.gv_1);

        lm=new ArrayList<>();

        final MyClass myClass=new MyClass(R.drawable.f1,"美食1");

        lm.add(myClass);

        lm.add(new MyClass(R.drawable.f2,"美食2"));
        lm.add(new MyClass(R.drawable.f3,"美食3"));
        lm.add(new MyClass(R.drawable.f4,"美食4"));
        lm.add(new MyClass(R.drawable.f5,"美食5"));
        lm.add(new MyClass(R.drawable.f6,"美食6"));
        lm.add(new MyClass(R.drawable.f7,"美食7"));
        lm.add(new MyClass(R.drawable.f8,"美食8"));


        GridAdapter gridAdapter=new GridAdapter();

        gv_1.setAdapter(gridAdapter);





//        //1 数据 图片的id
//        liv =new ArrayList<>();
//        liv.add(R.drawable.f1);
//        liv.add(R.drawable.f2);
//        liv.add(R.drawable.f3);
//        liv.add(R.drawable.f4);
//        liv.add(R.drawable.f5);
//        liv.add(R.drawable.f6);
//        liv.add(R.drawable.f7);
//        liv.add(R.drawable.f8);
//        liv.add(R.drawable.f9);
//        liv.add(R.drawable.f10);

        final GridAdapter im=new GridAdapter();

        gv_1.setAdapter(im);

        gv_1.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, final long id) {

                final View view1=View.inflate(TestActivity10.this,R.layout.gridadapter_view,null);

                new AlertDialog.Builder(TestActivity10.this)
                        .setTitle("请操作...")
                        .setView(view1)
                        .setPositiveButton("修改", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {

                                EditText et_4 = (EditText) view1.findViewById(R.id.et_4);

                                String string2 = et_4.getText().toString();

                                    myClass.setName(string2);


                                EditText et_3 = (EditText) view1.findViewById(R.id.et_3);

                                String string1 = et_3.getText().toString();

                                String f9 = "f9", f10 = "f10";

                                if (string1.equals(f9)) {

                                    myClass.setImg(R.drawable.f9);
                                } else if (string1.equals(f10)) {
                                    myClass.setImg(R.drawable.f10);
                                }
                                else {

                                    if (string2.length() == 0 && string1.length() == 0) {

                                        Toast.makeText(TestActivity10.this, "请至少修改一项", Toast.LENGTH_SHORT).show();
                                    }
                                }

                            }
                        })
                        .setNegativeButton("取消", null)
                        .show();


            }
        });

        //长按删除的监听器
        gv_1.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {

                //1.删除数据
                // 从集合里删除长按的数据
                lm.remove(position);

                //2.刷新视图，看到效果
                // 通知适配器，数据源改变了
                im.notifyDataSetChanged();

                Toast.makeText(TestActivity10.this, "删除了记录索引="+position, Toast.LENGTH_SHORT).show();

                return true;//事件已经被消费，不要在处理了
            }
        });


    }

    public void bt10_OnClick(View v)
    {

        final View view1=View.inflate(TestActivity10.this,R.layout.gridadapter_view,null);

        new AlertDialog.Builder(TestActivity10.this)
                .setTitle("请操作...")
                .setView(view1)
                .setPositiveButton("添加",null)
                .setNegativeButton("取消", null)
                .show();

    }


    class  MyClass
    {
        private int img;

        private String name;


        public int getImg() {
            return img;
        }

        public void setImg(int img) {
            this.img = img;
        }

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public MyClass(int img,String name)
        {
            this.img=img;
            this.name=name;
        }
    }


//     //适配器
//
//    class  ImageAdapter extends BaseAdapter
//    {
//        @Override
//        public int getCount() {
//            return liv.size();
//        }
//
//        @Override
//        public Object getItem(int position) {
//            return liv.get(position);
//        }
//
//        @Override
//        public long getItemId(int position) {
//            return 0;
//        }
//
//        @Override
//        public View getView(int position, View convertView, ViewGroup parent) {
//
//            //1. 得到数据 图片的id
//            Integer ivid = liv.get(position);
//
//            //2.准备View
//            if (convertView == null) {
//                convertView = new ImageView(TestActivity10.this);
//            }
//
//            //3.适配
//            // 转换
//            ImageView imageView = (ImageView) convertView;
//
//            imageView.setImageResource(ivid);
//
////            imageView.setMaxWidth(70);
////            imageView.setMaxHeight(70);
//
//            imageView.setLayoutParams(new GridView.LayoutParams(110, 110));
//
//
//            return imageView;

    class GridAdapter extends BaseAdapter
    {
        @Override
        public int getCount() {
            return lm.size();
        }

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

        @Override
        public long getItemId(int position) {
            return 0;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            MyClass myClass=lm.get(position);

            if (convertView==null)
            {
                Log.e("TAG","适配器getView="+position);

                convertView=View.inflate(TestActivity10.this,R.layout.listview_layout,null);
            }

            ImageView imageView=(ImageView)convertView.findViewById(R.id.iv_3);
            imageView.setImageResource(myClass.getImg());

            TextView textView=(TextView)convertView.findViewById(R.id.tv_9);
            textView.setText(myClass.getName());


            return convertView;
        }
    }

}