网络请求 Gson解析

package cn.com.mynewokhttp.activity;import android.annotation.TargetApi;import android.app.ActivityOptions;import android.content.Intent;import android.os.Build;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.animation.Animation;import android.view.animation.AnimationUtils;import android.widget.ImageView;import android.widget.TextView;import android.widget.Toast;import cn.com.mynewokhttp.R;public class MainActivity extends AppCompatActivity {    private ImageView main_img;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initView();        Animation animation = AnimationUtils.loadAnimation(MainActivity.this, R.anim.anims);        animation.setDuration(3000);        main_img.startAnimation(animation);        animation.setAnimationListener(new Animation.AnimationListener() {            @Override            public void onAnimationStart(Animation animation) {            }            @TargetApi(Build.VERSION_CODES.LOLLIPOP)            @Override            public void onAnimationEnd(Animation animation) {                Intent intent = new Intent(MainActivity.this, TwoActivity.class);                startActivity(intent, ActivityOptions.makeSceneTransitionAnimation(MainActivity.this).toBundle());                finish();            }            @Override            public void onAnimationRepeat(Animation animation) {            }        });    }    private void initView() {        main_img = (ImageView) findViewById(R.id.main_img);    }}

第二个页面

package cn.com.mynewokhttp.activity;import android.annotation.TargetApi;import android.app.ProgressDialog;import android.os.Build;import android.os.Handler;import android.os.Message;import android.support.annotation.RequiresApi;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.support.v7.widget.GridLayoutManager;import android.support.v7.widget.RecyclerView;import android.transition.Explode;import android.view.View;import android.widget.ProgressBar;import android.widget.Toast;import com.chanven.lib.cptr.PtrClassicFrameLayout;import com.chanven.lib.cptr.PtrDefaultHandler;import com.chanven.lib.cptr.PtrFrameLayout;import com.chanven.lib.cptr.loadmore.OnLoadMoreListener;import com.google.gson.Gson;import java.io.IOException;import java.util.ArrayList;import java.util.Timer;import java.util.TimerTask;import cn.com.mynewokhttp.R;import cn.com.mynewokhttp.adapter.MyAdapter;import cn.com.mynewokhttp.bean.Bean;import okhttp3.Call;import okhttp3.Callback;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.Response;import static android.R.id.list;public class TwoActivity extends AppCompatActivity {    private RecyclerView two_recycler;    String url = "http://123.206.70.44:8080/atguigu/jsontest/test.json";    ArrayList<Bean.HotInfoBean> list = new ArrayList<>();    private MyAdapter ma;    private ProgressBar ba;    private Handler hand = new Handler() {        @Override        public void handleMessage(Message msg) {            super.handleMessage(msg);            switch (msg.what) {                case 999:                    initData();                    break;            }        }    };    private PtrClassicFrameLayout frame2;    @TargetApi(Build.VERSION_CODES.LOLLIPOP)    @RequiresApi(api = Build.VERSION_CODES.KITKAT)    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_two);        getWindow().setEnterTransition(new Explode().setDuration(2000));        getWindow().setExitTransition(new Explode().setDuration(2000));        initView();        hand.postDelayed(new Runnable() {            @Override            public void run() {                ba.setVisibility(View.GONE);            }        }, 2000);        initData();    }    private void initData() {        OkHttpClient client = new OkHttpClient.Builder().build();        Request request = new Request.Builder().url(url).build();        client.newCall(request).enqueue(new Callback() {            @Override            public void onFailure(Call call, IOException e) {            }            @Override            public void onResponse(Call call, Response response) throws IOException {                String str = response.body().string();                Gson gson = new Gson();                Bean bean = gson.fromJson(str, Bean.class);                list.addAll(bean.getStringHotInfo());                runOnUiThread(new Runnable() {                    @Override                    public void run() {                        ma.notifyDataSetChanged();                    }                });            }        });    }    private void initView() {        two_recycler = (RecyclerView) findViewById(R.id.two_recycler);        two_recycler.setLayoutManager(new GridLayoutManager(this, 1));        ba = (ProgressBar) findViewById(R.id.pro);//        frame2 = (PtrClassicFrameLayout)findViewById(R.id.framelayout);        ma = new MyAdapter(this, list);        two_recycler.setAdapter(ma);    }}
第三个页面

package cn.com.mynewokhttp.activity;import android.content.Intent;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.widget.TextView;import com.youth.banner.Banner;import java.util.ArrayList;import cn.com.mynewokhttp.GlideImageLoader;import cn.com.mynewokhttp.R;public class ThreeActivity extends AppCompatActivity {    private Banner banner;    private TextView three_tv;    private ArrayList<String> images = new ArrayList<>();    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_three);        initView();        initData();    }    private void initData() {        Intent in = getIntent();        three_tv.setText(in.getStringExtra("name"));        String im1 = in.getStringExtra("im1");        String im2 = in.getStringExtra("im2");        String im3 = in.getStringExtra("im3");        images.add(im1);        images.add(im2);        images.add(im3);        banner.setImageLoader(new GlideImageLoader());        banner.setImages(images);        banner.start();    }    private void initView() {        banner = (Banner) findViewById(R.id.three_pager);        three_tv = (TextView) findViewById(R.id.three_tv);    }}

适配器

package cn.com.mynewokhttp.adapter;import android.content.Context;import android.content.Intent;import android.support.v7.widget.RecyclerView;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.Button;import android.widget.ImageView;import android.widget.TextView;import android.widget.Toast;import com.bumptech.glide.Glide;import java.util.ArrayList;import cn.com.mynewokhttp.R;import cn.com.mynewokhttp.activity.ThreeActivity;import cn.com.mynewokhttp.bean.Bean;/** * Created by Administrator on 2017/7/5. */public class MyAdapter extends RecyclerView.Adapter{    Context context;    ArrayList<Bean.HotInfoBean> list;    MyHolder mh;    public MyAdapter(Context context, ArrayList<Bean.HotInfoBean> list) {        this.context = context;        this.list = list;    }    @Override    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        View view = LayoutInflater.from(context).inflate(R.layout.two_item,null);        return new MyHolder(view);    }    @Override    public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {        mh = (MyHolder) holder;        mh.itemName.setText(list.get(position).stringName);        mh.itemPrv.setText(list.get(position).stringProductId);        mh.two_type1.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Toast.makeText(context,"恩！",Toast.LENGTH_SHORT).show();            }        });        Glide.with(context).load(list.get(position).stringFigure).into(mh.itemImg);        mh.two_type2.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                Intent in = new Intent(context, ThreeActivity.class);                in.putExtra("name", list.get(position).stringName);                in.putExtra("im1", list.get(position).stringFigure);                in.putExtra("im2", list.get(position).stringFigure1);                in.putExtra("im3", list.get(position).stringFigure2);                Toast.makeText(context,"到详情界面拉@",Toast.LENGTH_SHORT).show();                context.startActivity(in);            }        });        /*mh.itemView.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {            }        });*/    }    @Override    public int getItemCount() {        return list.size();    }    static class MyHolder extends RecyclerView.ViewHolder {        TextView itemName,itemPrv;        ImageView itemImg;        Button two_type1,two_type2;        public MyHolder(View itemView) {            super(itemView);            itemName = (TextView) itemView.findViewById(R.id.item_name);            itemPrv = (TextView) itemView.findViewById(R.id.item_prv);            itemImg = (ImageView) itemView.findViewById(R.id.item_img);            two_type1 = (Button) itemView.findViewById(R.id.two_type1);            two_type2 = (Button) itemView.findViewById(R.id.two_type2);        }    }}

Bean类用自己的 。  

package cn.com.mynewokhttp;import android.content.Context;import android.net.Uri;import android.widget.ImageView;import com.bumptech.glide.Glide;import com.youth.banner.loader.ImageLoader;/** * Created by tian on 2017/7/5. */public class GlideImageLoader extends ImageLoader {    @Override    public void displayImage(Context context, Object path, ImageView imageView) {        /**         注意：         1.图片加载器由自己选择，这里不限制，只是提供几种使用方法         2.返回的图片路径为Object类型，由于不能确定你到底使用的那种图片加载器，         传输的到的是什么格式，那么这种就使用Object接收和返回，你只需要强转成你传输的类型就行，         切记不要胡乱强转！         */        //Glide 加载图片简单用法        Glide.with(context).load(path).into(imageView);        //Picasso 加载图片简单用法        // Picasso.with(context).load(path).into(imageView);        //用fresco加载图片简单用法，记得要写下面的createImageView方法        Uri uri = Uri.parse((String) path);        imageView.setImageURI(uri);    }    /*//提供createImageView 方法，如果不用可以不重写这个方法，主要是方便自定义ImageView的创建    @Override    public ImageView createImageView(Context context) {        //使用fresco，需要创建它提供的ImageView，当然你也可以用自己自定义的具有图片加载功能的ImageView        SimpleDraweeView simpleDraweeView=new SimpleDraweeView(context);        return simpleDraweeView;    }*/}

第一布局

省略  

第二布局

<TextView    android:layout_gravity="center_horizontal"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:textSize="30sp"    android:text="电子商城"/><ProgressBar    android:id="@+id/pro"    android:layout_width="50dp"    android:layout_height="50dp"    android:layout_gravity="center" />    <android.support.v7.widget.RecyclerView        android:id="@+id/two_recycler"        android:layout_width="match_parent"        android:layout_height="match_parent" />

第二子布局  

<LinearLayout    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:background="#FFFFFF"    android:orientation="horizontal">    <ImageView        android:layout_marginTop="30dp"        android:layout_width="150dp"        android:layout_height="150dp"        android:id="@+id/item_img"        android:src="@mipmap/ic_launcher"/>    <LinearLayout        android:orientation="vertical"        android:layout_width="wrap_content"        android:layout_height="wrap_content">        <TextView            android:layout_marginTop="20dp"            android:id="@+id/item_name"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="name"            android:textSize="20sp"            android:textStyle="bold"/>        <TextView            android:layout_marginTop="20dp"            android:id="@+id/item_prv"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:text="$$$$$$$$$$$$$"            android:textSize="15sp"            android:textStyle="bold"/>        <LinearLayout            android:layout_width="wrap_content"            android:orientation="horizontal"            android:layout_height="wrap_content">            <Button                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:id="@+id/two_type1"                android:background="#FFFFFF"                android:text="TYPE1"/>            <Button                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:id="@+id/two_type2"                android:background="#FFFFFF"                android:text="TYPE2"/>        </LinearLayout>    </LinearLayout>

第三布局 详情页面

<com.youth.banner.Banner    android:id="@+id/three_pager"    android:layout_width="match_parent"    android:layout_height="400dp" /><TextView    android:id="@+id/three_tv"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:layout_marginTop="5dp"    android:gravity="center"    android:text="content"    android:textSize="30dp" />

最后 需要的导包 

compile 'com.android.support:recyclerview-v7:25.2.0'compile 'com.youth.banner:banner:1.4.9'compile 'com.squareup.retrofit2:retrofit:2.3.0'compile 'com.squareup.retrofit2:converter-gson:2.3.0'compile 'com.github.bumptech.glide:glide:3.5.2'compile 'com.google.code.gson:gson:2.8.1'compile 'com.chanven.lib:cptr:1.1.0'compile 'com.squareup.okhttp3:okhttp:3.8.1'
还有网络权限 千万别忘了