<?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:orientation="vertical"

    tools:context=".activity.MainActivity">

    <GridView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/gridView"

        android:numColumns="4"></GridView>

</LinearLayout>

package com.pingyijinren.helloworld.model;

/**

 * Created by Administrator on 2016/6/3 0003.

 */

public class Article {

    private int imageId;

    private String name;

    public Article(int imageId,String name){

        this.imageId=imageId;

        this.name=name;

    }

    public int getImageId() {

        return imageId;

    }

    public String getName() {

        return name;

    }

}

<?xml version="1.0" encoding="utf-8"?>

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent">

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:orientation="vertical">

        <ImageView

            android:layout_width="match_parent"

            android:layout_height="100dp"

            android:id="@+id/image"/>

        <TextView

            android:layout_width="match_parent"

            android:layout_height="20dp"

            android:id="@+id/name"/>

    </LinearLayout>

    <ImageView

        android:layout_width="20dp"

        android:layout_height="20dp"

        android:layout_gravity="right|top"

        android:src="@drawable/cancel"

        android:id="@+id/delete"/>

</FrameLayout>

package com.pingyijinren.helloworld.adapter;

import android.content.Context;

import android.text.Layout;

import android.util.Log;

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 com.pingyijinren.helloworld.R;

import com.pingyijinren.helloworld.model.Article;

import java.util.ArrayList;

import java.util.List;

/**

 * Created by Administrator on 2016/6/3 0003.

 */

public class ArticleAdapter extends ArrayAdapter<Article>{

    private boolean ifShowDelete=false;

    private ArrayList<Article> arrayListArticle;

    private int index;

    public ArticleAdapter(Context context, int resource, List<Article> objects) {

        super(context, resource, objects);

        arrayListArticle=(ArrayList<Article>)objects;

    }

    @Override

    public View getView(int position, View convertView, ViewGroup parent) {

        ViewHolder viewHolder;

        if(convertView==null){

            convertView= LayoutInflater.from(getContext()).inflate(R.layout.grid_item,null);

            viewHolder=new ViewHolder();

            viewHolder.image=(ImageView) convertView.findViewById(R.id.image);

            viewHolder.name=(TextView)convertView.findViewById(R.id.name);

            viewHolder.delete=(ImageView)convertView.findViewById(R.id.delete);

            convertView.setTag(viewHolder);

        }

        else{

            viewHolder=(ViewHolder) convertView.getTag();

        }

        Article article=getItem(position);

        viewHolder.image.setImageResource(article.getImageId());

        viewHolder.name.setText(article.getName());

        index=position;

        if(ifShowDelete){

            viewHolder.delete.setVisibility(View.VISIBLE);

            viewHolder.delete.setOnClickListener(new View.OnClickListener() {

                @Override

                public void onClick(View v) {

                    arrayListArticle.remove(index);

                    notifyDataSetChanged();

                }

            });

        }

        else{

            viewHolder.delete.setVisibility(View.GONE);

        }

        return convertView;

    }

    private class ViewHolder{

        public ImageView image;

        public TextView name;

        public ImageView delete;

    }

    public void setIfShowDelete(boolean ifShowDelete) {

        this.ifShowDelete = ifShowDelete;

    }

}

package com.pingyijinren.helloworld.activity;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.KeyEvent;

import android.view.View;

import android.widget.AdapterView;

import android.widget.GridView;

import com.pingyijinren.helloworld.R;

import com.pingyijinren.helloworld.adapter.ArticleAdapter;

import com.pingyijinren.helloworld.model.Article;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

    private GridView gridView;

    private ArrayList<Article> arrayListArticle;

    private ArticleAdapter articleAdapter;

    private boolean ifShowDelete=false;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

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

        arrayListArticle=new ArrayList<Article>();

        arrayListArticle.add(new Article(R.drawable.first_image,"frist"));

        arrayListArticle.add(new Article(R.drawable.second_image,"second"));

        articleAdapter=new ArticleAdapter(MainActivity.this,R.layout.grid_item,arrayListArticle);

        gridView.setAdapter(articleAdapter);

        gridView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {

            @Override

            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {

                articleAdapter.setIfShowDelete(true);

                articleAdapter.notifyDataSetChanged();

                ifShowDelete=true;

                return false;

            }

        });

    }

    @Override

    public boolean onKeyDown(int keyCode, KeyEvent event) {

        if(keyCode==KeyEvent.KEYCODE_BACK){

            if(ifShowDelete==true){

                if(arrayListArticle.size()==0){

                    finish();

                }

                else{

                    articleAdapter.setIfShowDelete(false);

                    articleAdapter.notifyDataSetChanged();

                    ifShowDelete=false;

                }

            }

            else{

                finish();

            }

        }

        return false;

    }

}