框架的初级使用

今天给大家带来一篇本月所学习的综合内容,把本月学习的知识点融合在一起,写一个类似于简单的微信界面的小案例

首先写代码之前,我们要准备一下前期的准备工作.

1.网络权限

2.依赖

3.图标

4.工具类

首先第一步,布局文件

===============MainActivity布局文件==============================

<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <FrameLayout
        android:id="@+id/frag"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1" />

    <RadioGroup
        android:id="@+id/rg"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <RadioButton
            android:id="@+id/rb1"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:button="@null"
            android:checked="true"
            android:drawableTop="@drawable/sel"
            android:gravity="center"
            android:text="Fragment1" />

        <RadioButton
            android:id="@+id/rb2"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:button="@null"
            android:drawableTop="@drawable/sel"
            android:gravity="center"
            android:text="Fragment2" />

        <RadioButton
            android:id="@+id/rb3"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:button="@null"
            android:drawableTop="@drawable/sel"
            android:gravity="center"
            android:text="Fragment3" />

    </RadioGroup>


</LinearLayout>

=================Fragment1布局文件============================

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <android.support.design.widget.TabLayout
            android:id="@+id/tab"
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:layout_weight="1"
            />
        <ImageView
            android:id="@+id/imageView"
            android:layout_width="50dp"
            android:layout_height="50dp"
            android:src="@mipmap/ic_launcher"
            />



    </LinearLayout>
    
    <android.support.v4.view.ViewPager
        android:id="@+id/vp"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>


</LinearLayout>

=================Fragment2布局文件============================

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

        <com.youth.banner.Banner
            android:id="@+id/banner"
            android:layout_width="match_parent"
            android:layout_height="200dp"/>


</LinearLayout>

=================Fragment3布局文件============================

<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/draw"
    android:layout_width="match_parent"
    android:layout_height="match_parent">


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

        <TextView
            android:id="@+id/time"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="我是text,没啥大用" />

    </LinearLayout>
    <!--=======侧拉============-->
    <LinearLayout
        android:layout_width="150dp"
        android:layout_height="match_parent"
        android:layout_gravity="left"
        android:orientation="vertical">

        <ImageView
            android:id="@+id/touxiang"
            android:layout_width="100dp"
            android:layout_height="100dp"
            android:layout_gravity="center"
            />

        <ListView
            android:id="@+id/liebiao"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"></ListView>

    </LinearLayout>


</android.support.v4.widget.DrawerLayout>

=================抽基类BaseActivity文件============================

public abstract class BaseActivity extends FragmentActivity {

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //绑定视图
        setContentView(bindLayout());
        initView();
        initData();
        bindEvent();
    }

    protected abstract int bindLayout();

    protected abstract void initView();

    protected abstract void initData();

    protected abstract void bindEvent();

    protected <T extends View> T bindView(int resid){
        return findViewById(resid);
    }



}

=================抽基类BaseFragment文件============================

public abstract class BaseFragment extends Fragment {

    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(bindLayout(),container,false);
    }

    protected abstract int bindLayout();

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        initView();
        initData();
        bindEvent();


    }

    protected abstract void initView();

    protected abstract void initData();

    protected abstract void bindEvent();

    protected <T extends View> T bindView(int resid){
        return (T)getView().findViewById(resid);
    }


}

=================MainActivity文件============================

public class MainActivity extends BaseActivity {

    private String bannerurl = "https://api.apiopen.top/videoCategory";
    private String listviewurl = "http://172.17.8.100/small/commodity/v1/commodityList";
    private RadioGroup rg;
    private Fragment_01 fragment_01;
    private Fragment_02 fragment_02;
    private Fragment_03 fragment_03;
    private FragmentManager manager;

    //绑定视图
    @Override
    protected int bindLayout() {
        return R.layout.activity_main;
    }
    //绑定控件
    @Override
    protected void initView() {
        rg = findViewById(R.id.rg);

    }
    //操作数据
    @Override
    protected void initData() {
        //创建Fragment 3个
        fragment_01 = new Fragment_01();
        fragment_02 = new Fragment_02();
        fragment_03 = new Fragment_03();
        //开启事务
        manager = getSupportFragmentManager();
        //运行事务
        manager.beginTransaction().
                add(R.id.frag,fragment_01).add(R.id.frag,fragment_02).add(R.id.frag,fragment_03).show(fragment_01).hide(fragment_02).hide(fragment_03).commit();




    }

    @Override
    protected void bindEvent() {
        rg.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(RadioGroup group, int checkedId) {
                FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
                switch (checkedId){
                    case R.id.rb1:
                        transaction.show(fragment_01).hide(fragment_02).hide(fragment_03);
                        break;
                    case R.id.rb2:
                        transaction.show(fragment_02).hide(fragment_01).hide(fragment_03);
                        break;
                    case R.id.rb3:
                        transaction.show(fragment_03).hide(fragment_02).hide(fragment_01);
                        break;
                }
                transaction.commit();

            }
        });




    }
}

=================fragment包下Fragment1文件============================

public class Fragment_01 extends BaseFragment {

    private ViewPager vp;
    private ImageView imageView;
    private TabPageAdapter adapter;
    private TabLayout tab;
    private ArrayList<Fragment> listVP;
    private TabPageAdapter tadadapter;

    @Override
    protected int bindLayout() {
        return R.layout.fragment_01;
    }

    @Override
    protected void initView() {
        //查找控件
        vp = bindView(R.id.vp);
        tab = bindView(R.id.tab);
        imageView = bindView(R.id.imageView);

    }

    @Override
    protected void initData() {
        //创建一个集合储存Tab下viewpager的数据
        listVP = new ArrayList<>();
        listVP.add(new Tab01());
        listVP.add(new Tab02());
        listVP.add(new Tab03());
        listVP.add(new Tab04());
        listVP.add(new Tab05());
        //tab数据
        ArrayList<String> listTab = new ArrayList<>();
        for (int i=0;i<listVP.size();i++){
            listTab.add("新闻"+i);
        }

        tadadapter = new TabPageAdapter(getActivity().getSupportFragmentManager(),listVP,listTab);
        vp.setAdapter(tadadapter);
        tab.setupWithViewPager(vp);

    }

    @Override
    protected void bindEvent() {
        


    }
}

=================fragment包下Fragment2文件============================

public class Fragment_02 extends BaseFragment {

    private Banner banner;
    private String bannerurl = "https://api.apiopen.top/videoCategory";
    private List<LunBean.ResultBean.ItemListBean> list;

    @Override
    protected int bindLayout() {
        return R.layout.fragment_02;
    }

    @Override
    protected void initView() {
        banner = bindView(R.id.banner);

    }

    @Override
    protected void initData() {
        HttpUtils.httpAsynTask(bannerurl, new HttpUtils.CallBackString() {
            @Override
            public void getData(String s) {
                Gson gson = new Gson();
                LunBean lunBean = gson.fromJson(s, LunBean.class);
                list = lunBean.getResult().getItemList();
                //设置轮播图
                banner.setImages(list);
                banner.setImageLoader(new ImageLoader() {

                    @Override
                    public void displayImage(Context context, Object path, ImageView imageView) {
                        LunBean.ResultBean.ItemListBean bean= (LunBean.ResultBean.ItemListBean) path;
                        Glide.with(context).load(bean.getData().getIcon()).into(imageView);
                    }
                });
                //是否轮播
                banner.isAutoPlay(true);
                //轮播时间
                banner.setDelayTime(3000);
                //开始轮播
                banner.start();

            }
        });



    }

    @Override
    protected void bindEvent() {

    }
}

=================tabLayout包下tab1文件============================

public class Tab01 extends BaseFragment {

    private String listviewurl = "https://api.apiopen.top/getImages";
    private SmartRefreshLayout sma;
    private ListView listView;
    private List<jsonBean.ResultBean> list;
    private MyAdapter adapter;

    @Override
    protected int bindLayout() {
        return R.layout.tab1;
    }

    @Override
    protected void initView() {
        sma = bindView(R.id.sma);
        listView = bindView(R.id.listview);


    }

    @Override
    protected void initData() {
        //如果有网就加载数据
        if(HttpUtils.isNetworkConnected(getActivity())){
            HttpUtils.httpAsynTask(listviewurl, new HttpUtils.CallBackString() {
                @Override
                public void getData(String s) {
                    Gson gson = new Gson();
                    jsonBean jsonBean = gson.fromJson(s, jsonBean.class);
                    list = jsonBean.getResult();
                    adapter = new MyAdapter(getActivity(), list);
                    listView.setAdapter(adapter);
                }
            });


        }


    }

    @Override
    protected void bindEvent() {
        sma.setOnRefreshListener(new OnRefreshListener() {
            @Override
            public void onRefresh(@NonNull RefreshLayout refreshLayout) {
                HttpUtils.httpAsynTask(listviewurl, new HttpUtils.CallBackString() {
                    @Override
                    public void getData(String s) {
                        Gson gson = new Gson();
                        jsonBean jsonBean = gson.fromJson(s, jsonBean.class);
                        list = jsonBean.getResult();
                        adapter = new MyAdapter(getActivity(),list);
                        listView.setAdapter(adapter);
                        sma.finishRefresh();
                    }
                });

            }
        });
        sma.setOnLoadMoreListener(new OnLoadMoreListener() {
            @Override
            public void onLoadMore(@NonNull RefreshLayout refreshLayout) {
                HttpUtils.httpAsynTask(listviewurl, new HttpUtils.CallBackString() {
                    @Override
                    public void getData(String s) {
                        Gson gson = new Gson();
                        jsonBean jsonBean = gson.fromJson(s, jsonBean.class);
                        List<com.example.yuekao001.bean.jsonBean.ResultBean> list2 = jsonBean.getResult();
                        list.addAll(list2);
                        adapter.notifyDataSetChanged();
                        sma.finishLoadMore();
                    }
                });

            }
        });

    }
}

这里注意一下,tabLayout包下面有几个类,就会for循环遍历出来几个tab展示

=================item1文件============================

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:id="@+id/tv1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="213213213213213213213213"

        />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <ImageView
            android:id="@+id/image11"
            android:layout_width="70dp"
            android:layout_height="70dp"
            android:src="@mipmap/ic_launcher"
            />
    </LinearLayout>




</LinearLayout>

=================布局文件中tab1文件============================

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.scwang.smartrefresh.layout.SmartRefreshLayout
        android:id="@+id/sma"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <com.scwang.smartrefresh.layout.header.ClassicsHeader
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />

        <ListView
            android:id="@+id/listview"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"></ListView>

        <com.scwang.smartrefresh.layout.footer.ClassicsFooter
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />


    </com.scwang.smartrefresh.layout.SmartRefreshLayout>


</LinearLayout>

=================tab文件夹下tab1文件============================

public class Tab01 extends BaseFragment {

    private String listviewurl = "https://api.apiopen.top/getImages";
    private SmartRefreshLayout sma;
    private ListView listView;
    private List<jsonBean.ResultBean> list;
    private MyAdapter adapter;

    @Override
    protected int bindLayout() {
        return R.layout.tab1;
    }

    @Override
    protected void initView() {
        sma = bindView(R.id.sma);
        listView = bindView(R.id.listview);


    }

    @Override
    protected void initData() {
        //如果有网就加载数据
        if(HttpUtils.isNetworkConnected(getActivity())){
            HttpUtils.httpAsynTask(listviewurl, new HttpUtils.CallBackString() {
                @Override
                public void getData(String s) {
                    Gson gson = new Gson();
                    jsonBean jsonBean = gson.fromJson(s, jsonBean.class);
                    list = jsonBean.getResult();
                    adapter = new MyAdapter(getActivity(), list);
                    listView.setAdapter(adapter);
                }
            });


        }


    }

    @Override
    protected void bindEvent() {
        sma.setOnRefreshListener(new OnRefreshListener() {
            @Override
            public void onRefresh(@NonNull RefreshLayout refreshLayout) {
                HttpUtils.httpAsynTask(listviewurl, new HttpUtils.CallBackString() {
                    @Override
                    public void getData(String s) {
                        Gson gson = new Gson();
                        jsonBean jsonBean = gson.fromJson(s, jsonBean.class);
                        list = jsonBean.getResult();
                        adapter = new MyAdapter(getActivity(),list);
                        listView.setAdapter(adapter);
                        sma.finishRefresh();
                    }
                });

            }
        });
        sma.setOnLoadMoreListener(new OnLoadMoreListener() {
            @Override
            public void onLoadMore(@NonNull RefreshLayout refreshLayout) {
                HttpUtils.httpAsynTask(listviewurl, new HttpUtils.CallBackString() {
                    @Override
                    public void getData(String s) {
                        Gson gson = new Gson();
                        jsonBean jsonBean = gson.fromJson(s, jsonBean.class);
                        List<com.example.yuekao001.bean.jsonBean.ResultBean> list2 = jsonBean.getResult();
                        list.addAll(list2);
                        adapter.notifyDataSetChanged();
                        sma.finishLoadMore();
                    }
                });

            }
        });

    }
}

=================TabPageAdapter文件============================

public class TabPageAdapter extends FragmentPagerAdapter {

    private ArrayList<Fragment> listTab;
    private ArrayList<String> listVP;

    public TabPageAdapter(FragmentManager fm, ArrayList<Fragment> listTab, ArrayList<String> listVP) {
        super(fm);
        this.listTab = listTab;
        this.listVP = listVP;
    }

    @Override
    public Fragment getItem(int i) {
        return listTab.get(i);
    }

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

    @Nullable
    @Override
    public CharSequence getPageTitle(int position) {
        return listVP.get(position);

    }
}

=================MyAdapter文件============================

public class MyAdapter extends BaseAdapter {

    private Context context;
    private List<jsonBean.ResultBean> list;

    public MyAdapter(Context context, List<jsonBean.ResultBean> list) {
        this.context = context;
        this.list = list;
    }

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

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

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

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

        int type = getItemViewType(position);
        switch (type){
            case 0:
                ViewHolder1 holder1 = null;
                if(convertView==null){
                    holder1 = new ViewHolder1();
                    convertView=View.inflate(context,R.layout.item01,null);
                    holder1.image11 = convertView.findViewById(R.id.image11);
                    holder1.tv1 = convertView.findViewById(R.id.tv1);
                    convertView.setTag(holder1);
                }else{
                    holder1 = (ViewHolder1) convertView.getTag();
                }
                holder1.tv1.setText(list.get(position).getTime());
                Glide.with(context).load(list.get(position).getImg()).into(holder1.image11);
                break;
            case 1:
                ViewHolder2 holder2 = null;
                if(convertView==null){
                    holder2 = new ViewHolder2();
                    convertView=View.inflate(context,R.layout.item02,null);
                    holder2.image21 = convertView.findViewById(R.id.image21);
                    holder2.image22 = convertView.findViewById(R.id.image22);
                    holder2.tv2 = convertView.findViewById(R.id.tv2);
                    convertView.setTag(holder2);
                }else{
                    holder2 = (ViewHolder2) convertView.getTag();
                }
                holder2.tv2.setText(list.get(position).getTime());
                Glide.with(context).load(list.get(position).getImg()).into(holder2.image21);
                Glide.with(context).load(list.get(position).getImg()).into(holder2.image22);
                break;
            case 2:
                ViewHolder3 holder3 = null;
                if(convertView==null){
                    holder3 = new ViewHolder3();
                    convertView=View.inflate(context,R.layout.item03,null);
                    holder3.image31 = convertView.findViewById(R.id.image31);
                    holder3.image32 = convertView.findViewById(R.id.image32);
                    holder3.image33 = convertView.findViewById(R.id.image33);
                    holder3.tv3 = convertView.findViewById(R.id.tv3);
                    convertView.setTag(holder3);
                }else{
                    holder3 = (ViewHolder3) convertView.getTag();
                }
                holder3.tv3.setText(list.get(position).getTime());
                Glide.with(context).load(list.get(position).getImg()).into(holder3.image31);
                Glide.with(context).load(list.get(position).getImg()).into(holder3.image32);
                Glide.with(context).load(list.get(position).getImg()).into(holder3.image33);
                break;
            case 3:
                ViewHolder4 holder4 = null;
                if(convertView==null){
                    holder4 = new ViewHolder4();
                    convertView=View.inflate(context,R.layout.item04,null);
                    holder4.image41 = convertView.findViewById(R.id.image41);
                    holder4.image42 = convertView.findViewById(R.id.image42);
                    holder4.image43 = convertView.findViewById(R.id.image43);
                    holder4.image44 = convertView.findViewById(R.id.image44);
                    holder4.tv4 = convertView.findViewById(R.id.tv4);
                    convertView.setTag(holder4);
                }else{
                    holder4 = (ViewHolder4) convertView.getTag();
                }
                holder4.tv4.setText(list.get(position).getTime());
                Glide.with(context).load(list.get(position).getImg()).into(holder4.image41);
                Glide.with(context).load(list.get(position).getImg()).into(holder4.image42);
                Glide.with(context).load(list.get(position).getImg()).into(holder4.image43);
                Glide.with(context).load(list.get(position).getImg()).into(holder4.image44);
                break;

        }

        return convertView;
    }

    class ViewHolder1{
        TextView tv1;
        ImageView image11;
    }
    class ViewHolder2{
        TextView tv2;
        ImageView image21,image22;
    }
    class ViewHolder3{
        TextView tv3;
        ImageView image31,image32,image33;
    }
    class ViewHolder4{
        TextView tv4;
        ImageView image41,image42,image43,image44;
    }


    @Override
    public int getItemViewType(int position) {
        return position % 4;
    }

    @Override
    public int getViewTypeCount() {
        return 4;
    }
}

=================补充Fragment1文件============================

public class Frag01 extends BaseFragment {

    private TabLayout tabLayout;
    private ImageView imageView;
    private ViewPager pager;
    private ArrayList<Fragment> listP;
    private ArrayList<String> listT;
    private TabPagerAdapter adapter;

    @Override
    protected int bindLayout() {
        return R.layout.frag01;///注意这里一定要有布局不然 会报错的!!!
    }

    @Override
    protected void initView() {
        tabLayout = bindView(R.id.tab);
        pager = bindView(R.id.ppager);
        imageView = bindView(R.id.image);

    }

    @Override
    protected void initData() {
        //先是Viewpager的数据
        listP = new ArrayList<>();
        listP.add(new Tab01());
        listP.add(new Tab02());
        //tab的数据
        listT = new ArrayList<>();
        for (int t = 0; t < listP.size(); t++) {
            listT.add("孙悟空" + t);
        }
        //适配器
        adapter = new TabPagerAdapter(getActivity().getSupportFragmentManager(), listP, listT);
        pager.setAdapter(adapter);
        //关联
        tabLayout.setupWithViewPager(pager);


    }

    @Override
    protected void bindEvent() {
        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(getActivity(), TwoActivity.class);
                intent.putStringArrayListExtra("key", listT);
                startActivityForResult(intent, 100);

            }
        });
    }

    //接收回传值

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == 200) {
            //取出集合
            ArrayList<String> listTnew = data.getStringArrayListExtra("key");
            ///清除所有页面和数据
            listT.clear();
            listP.clear();
            tabLayout.removeAllTabs(); //把tab数据清空
            //合并集合
            listT.addAll(listTnew);
            //把数据设置给tab
            for (int t = 0; t < listT.size(); t++) {
                //创建一个tab
                TabLayout.Tab tab = tabLayout.newTab();
                //给tab设置标题
                tab.setText(listT.get(t));
                ///把新的tab放进tabLayout中
                tabLayout.addTab(tab);
                //重新填装fragment
                String ss = listT.get(t);
//                if (ss.equals("孙悟空0")){
//                    listP.add(new Tab01());
//                }else if(ss.equals("孙悟空1")){
//                    listP.add(new Tab02());
//                }else if(ss.equals("孙悟空2")){
//                    listP.add(new Tab03());
//                }.....

                if (t == 0) {
                    //因为我们第一个页面有数据,所以要保证数据展示到第一个页面
                    listP.add(new Tab01());
                } else {
                    //第二个页面没有数据,可以随意填充
                    listP.add(new Tab02());
                }
            }
            //刷新适配器
            adapter.notifyDataSetChanged();
            tabLayout.setupWithViewPager(pager);
        }
    }
}

=================跳转到第二个页面 频道管理============================

public class TwoActivity extends BaseActivity implements View.OnClickListener {


    private GridView g1, g2;
    private ArrayList<String> list1, list2;
    private GridAdapter adapter1;
    private GridAdapter adapter2;

    @Override
    public int bindLayout() {
        return R.layout.activity_two;
    }

    @Override
    protected void initView() {
        g1 = bindView(R.id.G1);
        g2 = bindView(R.id.G2);
        bindView(R.id.finish).setOnClickListener(this);
        bindView(R.id.backs).setOnClickListener(this);

    }

    @Override
    protected void initData() {
        Intent intent = getIntent();
        //g1的数据
        list1 = intent.getStringArrayListExtra("key");
        //g2的数据
        list2 = new ArrayList<>();
        for (int t = 0; t < 10; t++) {
            list2.add("孙悟空" + t);
        }
        //由于t1中的数据t2肯定没有,所以我们要把t2中和T1一样的数据删掉
        list2.removeAll(list1);
        //适配器
        adapter1 = new GridAdapter(list1, TwoActivity.this);
        adapter2 = new GridAdapter(list2, TwoActivity.this);
        //设置适配器
        g1.setAdapter(adapter1);
        g2.setAdapter(adapter2);

    }

    @Override
    protected void bindEvent() {
        //点击条目切换
        g1.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                //得到我们点击的条目的内容
                String str = list1.get(position);
                ///删除内容
                list1.remove(position);
                //把内容添加到list2中
                list2.add(str);
                //刷新两个适配器
                adapter1.notifyDataSetChanged();
                adapter2.notifyDataSetChanged();
            }
        });
        //点击条目切换
        g2.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                //得到我们点击的条目的内容
                String str = list2.get(position);
                ///删除内容
                list2.remove(position);
                //把内容添加到list2中
                list1.add(str);
                //刷新两个适配器
                adapter1.notifyDataSetChanged();
                adapter2.notifyDataSetChanged();
            }
        });

    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.finish:
            case R.id.backs:
                Intent intent = new Intent();
                intent.putStringArrayListExtra("key", list1);
                setResult( 200,intent);
                finish();//注意一定要关闭页面,不然没效果
                break;
        }
    }
}

================================第二个页面布局文件==========================================

<LinearLayout 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"
    android:orientation="vertical" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <ImageView
            android:id="@+id/backs"
            android:layout_width="50dp"
            android:layout_height="50dp"
            android:layout_marginLeft="10dp"
            android:src="@drawable/fanhui" />

        <View
            android:layout_width="0dp"
            android:layout_height="50dp"
            android:layout_weight="1" />

        <TextView
            android:id="@+id/finish"
            android:layout_width="50dp"
            android:layout_height="50dp"
            android:layout_marginLeft="10dp"
            android:background="@drawable/sh"
            android:gravity="center"
            android:text="完成" />

    </LinearLayout>

    <TextView
        android:background="#0f0"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="5dp"
        android:padding="5dp"
        android:text="切换的栏目"
        android:textSize="20sp" />

    <GridView
        android:id="@+id/G1"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:horizontalSpacing="5dp"
        android:numColumns="4"
        android:padding="5dp"
        android:scrollbars="none"
        android:verticalSpacing="5dp" />

    <TextView
        android:background="#0f0"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="5dp"
        android:padding="5dp"
        android:text="更多栏目"
        android:textSize="20sp" />

    <GridView

        android:id="@+id/G2"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:horizontalSpacing="5dp"
        android:numColumns="4"
        android:padding="5dp"
        android:scrollbars="none"
        android:verticalSpacing="5dp" />
</LinearLayout>

====================数据库====================================

public class SQLHelp  extends SQLiteOpenHelper {
    public SQLHelp(  Context context) {
        super(context, "bw.db", null, 1);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL("CREATE TABLE person(id INTEGER PRIMARY KEY AUTOINCREMENT,title TEXT)");

    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }
}

=====================Tab1类数据库补充==================================

public class Tab01 extends BaseFragment {

    private PullToRefreshListView pull;
    private ArrayList<One> ones;
    private MyListAdapter adapter;
    private SQLiteDatabase db;

    @Override
    protected int bindLayout() {
        return R.layout.tab01;
    }

    @Override
    protected void initView() {
        pull = bindView(R.id.pull);
        pull.setMode(PullToRefreshBase.Mode.BOTH);
        pull.setPullToRefreshOverScrollEnabled(true);
        //创建数据库对象
        SQLHelp help = new SQLHelp(getActivity());
        db = help.getReadableDatabase();
    }

    @Override
    protected void initData() {
        if (HttpUtils.isNetworkConnected(getActivity())) {
            //有网的时候加载数据
            HttpUtils.httpAsynTask("http://172.17.8.100/small/commodity/v1/commodityList",
                    new HttpUtils.CallBackString() {


                        @Override
                        public void getData(String s) {
                            ones = getArrayData(s);
                            //设置适配器
                            adapter = new MyListAdapter(getActivity(), ones);
                            pull.setAdapter(adapter);
                            //添加数据库
                            Cursor cursor = db.query("person", null, null, null, null, null, null);
                            if (!cursor.moveToFirst()) {
                                ContentValues values = new ContentValues();
                                values.put("title", s);
                                db.insert("person", null, values);
                            }
                        }
                    });
        } else {
            //没网络查询数据库
            Cursor cursor = db.query("person", null, null, null, null, null, null);
            if (cursor.moveToFirst()) {
                String sdb = cursor.getString(cursor.getColumnIndex("title"));
                ones = getArrayData(sdb);
                //设置适配器
                adapter = new MyListAdapter(getActivity(), ones);
                pull.setAdapter(adapter);
            }
        }


    }

    @Override
    protected void bindEvent() {
        pull.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() {
            @Override
            public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) {
                if (HttpUtils.isNetworkConnected(getActivity())) {
                    HttpUtils.httpAsynTask("http://172.17.8.100/small/commodity/v1/commodityList",
                            new HttpUtils.CallBackString() {
                                @Override
                                public void getData(String s) {
                                    ones = getArrayData(s);
                                    //设置适配器
                                    adapter = new MyListAdapter(getActivity(), ones);
                                    pull.setAdapter(adapter);
                                    pull.onRefreshComplete();
                                }
                            });
                } else {
                    Toast.makeText(getActivity(), "没网", Toast.LENGTH_LONG).show();
                }
                pull.onRefreshComplete();
            }

            @Override
            public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) {
                if (HttpUtils.isNetworkConnected(getActivity())) {
                    HttpUtils.httpAsynTask("http://172.17.8.100/small/commodity/v1/commodityList",
                            new HttpUtils.CallBackString() {
                                @Override
                                public void getData(String s) {
                                    ArrayList<One> oneload = getArrayData(s);
                                    //设置适配器
                                    ones.addAll(oneload);
                                    adapter.notifyDataSetChanged();
                                    pull.onRefreshComplete();
                                }
                            });
                } else {
                    Toast.makeText(getActivity(), "没网", Toast.LENGTH_LONG).show();
                }
                pull.onRefreshComplete();
            }
        });
    }

    public ArrayList<One> getArrayData(String s) {
        Gson gson = new Gson();
        Four four = gson.fromJson(s, Four.class);
        Three result = four.getResult();
        Two mlss = result.getMlss();
        Two pzsh = result.getPzsh();
        Two rxxp = result.getRxxp();

        ArrayList<One> oneM = new ArrayList<>();
        oneM.addAll(mlss.getCommodityList());
        oneM.addAll(pzsh.getCommodityList());
        oneM.addAll(rxxp.getCommodityList());
        return oneM;
    }
}