adapter

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:26.+'
    compile 'com.android.support.constraint:constraint-layout:1.0.2'
    testCompile 'junit:junit:4.12'
    compile 'com.youth.banner:banner:1.4.9'
    compile files('libs/glide-3.7.0.jar')
    compile files('libs/gson-2.2.4.jar')
    compile files('libs/okhttp-3.9.0.jar')
    compile files('libs/okio-1.13.0.jar')
    compile 'com.jcodecraeer:xrecyclerview:1.3.2'
    compile 'com.android.support:design:26.0.0-alpha1'

public class MainActivity extends AppCompatActivity {

    private MyRadius radius;
    private Handler handler = new Handler();
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        showRadius();
        handler.postDelayed(new Runnable() {
            @Override
            public void run() {
                Intent intent = new Intent(MainActivity.this, Main2Activity.class);
                startActivity(intent);
            }
        }, 3000);
    }

    private void showRadius() {
        radius = (MyRadius) findViewById(R.id.myradius);
//        ValueAnimator animator = ValueAnimator.ofInt(0,500);
//        animator.setDuration(3000);
//
//        animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
//            @Override
//            public void onAnimationUpdate(ValueAnimator animation) {
//                int curValue = (int)animation.getAnimatedValue();
//                radius.layout(curValue,curValue,curValue+radius.getWidth(),curValue+radius.getHeight());
//            }
//        });
//        animator.start();
        //radius.setVisibility(View.VISIBLE);
        int endX = radius.getMeasuredWidth() - getResources().getDisplayMetrics().widthPixels;
        //设置X轴平移量
        int endY = radius.getMeasuredHeight() * 2 - getResources().getDisplayMetrics().heightPixels;
        //设置Y轴平移量
        PropertyValuesHolder transXHolder = PropertyValuesHolder.ofFloat("translationX", 0, -endX);
        PropertyValuesHolder transYHolder = PropertyValuesHolder.ofFloat("translationY", 0, -endY);
       // PropertyValuesHolder scaleXHolder=PropertyValuesHolder.ofFloat("scaleX",1,0);
       // PropertyValuesHolder scaleYHolder=PropertyValuesHolder.ofFloat("scaleY",1,0);
        ObjectAnimator objectAnimator=ObjectAnimator.ofPropertyValuesHolder(radius,transXHolder,transYHolder);
        objectAnimator.setDuration(3000);
        objectAnimator.start();//播放完后，图片会回到原来的位置
    }
}
public class Main2Activity extends AppCompatActivity {

    private ViewPager vp;
    private List list_frag;
    private MyFTAdapter myFTAdapter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);

        initFragment();

    }

    private void initFragment() {
        vp = (ViewPager) findViewById(R.id.vp);
        list_frag = new ArrayList<>();
        list_frag.add(new Fragment_One());
        list_frag.add(new Fragment_Two());
        list_frag.add(new Fragment_Three());
        myFTAdapter = new MyFTAdapter(getSupportFragmentManager(), list_frag);
        vp.setAdapter(myFTAdapter);
    }
}

public class MyRadius extends View {

    private Paint paint;
    public MyRadius(Context context) {
        super(context);
        init();
    }

    public MyRadius(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public MyRadius(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init();
    }

    public void init(){
        paint = new Paint();
        paint.setAntiAlias(true);
        paint.setColor(Color.BLUE);
        paint.setStrokeWidth(1);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        canvas.drawCircle(20, 20, 20, paint);

    }
}
/**
 * Created by Administrator on 2017/10/13.
 */
public class OkHttp {

    /**
     * 静态实例
     */
    private static OkHttp sOkHttpManager;

    /**
     * okhttpclient实例
     */
    private OkHttpClient mClient;

    /**
     * 因为我们请求数据一般都是子线程中请求，在这里我们使用了handler
     */
    private Handler mHandler;

    /**
     * 构造方法
     */
    private OkHttp() {

        mClient = new OkHttpClient();

        /**
         * 在这里直接设置连接超时.读取超时，写入超时
         */
        mClient.newBuilder().connectTimeout(10, TimeUnit.SECONDS);
        mClient.newBuilder().readTimeout(10, TimeUnit.SECONDS);
        mClient.newBuilder().writeTimeout(10, TimeUnit.SECONDS);

        /**
         * 如果是用的3.0之前的版本  使用以下直接设置连接超时.读取超时，写入超时
         */

        //client.setConnectTimeout(10, TimeUnit.SECONDS);
        //client.setWriteTimeout(10, TimeUnit.SECONDS);
        //client.setReadTimeout(30, TimeUnit.SECONDS);


        /**
         * 初始化handler
         */
        mHandler = new Handler(Looper.getMainLooper());
    }


    /**
     * 单例模式  获取OkHttp实例
     *
     * @return
     */
    public static OkHttp getInstance() {

        if (sOkHttpManager == null) {
            sOkHttpManager = new OkHttp();
        }
        return sOkHttpManager;
    }

    //-------------------------同步的方式请求数据--------------------------

    /**
     * 对外提供的get方法,同步的方式
     *
     * @param url 传入的地址
     * @return
     */
    public static Response getSync(String url) {

        //通过获取到的实例来调用内部方法
        return sOkHttpManager.inner_getSync(url);
    }

    /**
     * GET方式请求的内部逻辑处理方式，同步的方式
     *
     * @param url
     * @return
     */
    private Response inner_getSync(String url) {
        Request request = new Request.Builder().url(url).build();
        Response response = null;
        try {
            //同步请求返回的是response对象
            response = mClient.newCall(request).execute();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return response;
    }

    /**
     * 对外提供的同步获取String的方法
     *
     * @param url
     * @return
     */
    public static String getSyncString(String url) {
        return sOkHttpManager.inner_getSyncString(url);
    }


    /**
     * 同步方法
     */
    private String inner_getSyncString(String url) {
        String result = null;
        try {
            /**
             * 把取得到的结果转为字符串，这里最好用string()
             */
            result = inner_getSync(url).body().string();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }

    //-------------------------异步的方式请求数据--------------------------
    public static void getAsync(String url, DataCallBack callBack) {
        getInstance().inner_getAsync(url, callBack);
    }

    /**
     * 内部逻辑请求的方法
     *
     * @param url
     * @param callBack
     * @return
     */
    private void inner_getAsync(String url, final DataCallBack callBack) {
        final Request request = new Request.Builder().url(url).build();

        mClient.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                deliverDataFailure(request, e, callBack);
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String result = null;
                try {
                    result = response.body().string();
                } catch (IOException e) {
                    deliverDataFailure(request, e, callBack);
                }
                deliverDataSuccess(result, callBack);
            }
        });
    }


    /**
     * 分发失败的时候调用
     *
     * @param request
     * @param e
     * @param callBack
     */
    private void deliverDataFailure(final Request request, final IOException e, final DataCallBack callBack) {
        /**
         * 在这里使用异步处理
         */
        mHandler.post(new Runnable() {
            @Override
            public void run() {
                if (callBack != null) {
                    callBack.requestFailure(request, e);
                }
            }
        });
    }

    /**
     * 分发成功的时候调用
     *
     * @param result
     * @param callBack
     */
    private void deliverDataSuccess(final String result, final DataCallBack callBack) {
        /**
         * 在这里使用异步线程处理
         */
        mHandler.post(new Runnable() {
            @Override
            public void run() {
                if (callBack != null) {
                    try {
                        callBack.requestSuccess(result);
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }
        });
    }

    /**
     * 数据回调接口
     */
    public interface DataCallBack {
        void requestFailure(Request request, IOException e);

        void requestSuccess(String result) throws Exception;
    }

    //-------------------------提交表单--------------------------

    public static void postAsync(String url, Map params, DataCallBack callBack) {
        getInstance().inner_postAsync(url, params, callBack);
    }

    private void inner_postAsync(String url, Map params, final DataCallBack callBack) {

        RequestBody requestBody = null;
        if (params == null) {
            params = new HashMap<>();
        }

        /**
         * 如果是3.0之前版本的，构建表单数据是下面的一句
         */
        //FormEncodingBuilder builder = new FormEncodingBuilder();

        /**
         * 3.0之后版本
         */
        FormBody.Builder builder = new FormBody.Builder();

        /**
         * 在这对添加的参数进行遍历，map遍历有四种方式，如果想要了解的可以网上查找
         */
        for (Map.Entry map : params.entrySet()) {
            String key = map.getKey().toString();
            String value = null;
            /**
             * 判断值是否是空的
             */
            if (map.getValue() == null) {
                value = "";
            } else {
                value = map.getValue();
            }
            /**
             * 把key和value添加到formbody中
             */
            builder.add(key, value);
        }
        requestBody = builder.build();
        //结果返回
        // 请求对象
        final Request request = new Request.Builder().url(url).post(requestBody).build();
        mClient.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                deliverDataFailure(request, e, callBack);
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String result = response.body().string();
                deliverDataSuccess(result, callBack);
            }


        });
    }


    //-------------------------文件下载--------------------------
    public static void downloadAsync(String url, String desDir, DataCallBack callBack) {
        getInstance().inner_downloadAsync(url, desDir, callBack);
    }

    /**
     * 下载文件的内部逻辑处理类
     *
     * @param url      下载地址
     * @param desDir   目标地址
     * @param callBack
     */
    private void inner_downloadAsync(final String url, final String desDir, final DataCallBack callBack) {
        final Request request = new Request.Builder().url(url).build();
        mClient.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                deliverDataFailure(request, e, callBack);
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {

                /**
                 * 在这里进行文件的下载处理
                 */
                InputStream inputStream = null;
                FileOutputStream fileOutputStream = null;
                try {
                    //文件名和目标地址
                    File file = new File(desDir, getFileName(url));
                    //把请求回来的response对象装换为字节流
                    inputStream = response.body().byteStream();
                    fileOutputStream = new FileOutputStream(file);
                    int len = 0;
                    byte[] bytes = new byte[2048];
                    //循环读取数据
                    while ((len = inputStream.read(bytes)) != -1) {
                        fileOutputStream.write(bytes, 0, len);
                    }
                    //关闭文件输出流
                    fileOutputStream.flush();
                    //调用分发数据成功的方法
                    deliverDataSuccess(file.getAbsolutePath(), callBack);
                } catch (IOException e) {
                    //如果失败，调用此方法
                    deliverDataFailure(request, e, callBack);
                    e.printStackTrace();
                } finally {
                    if (inputStream != null) {
                        inputStream.close();
                    }
                    if (fileOutputStream != null) {
                        fileOutputStream.close();
                    }

                }
            }

        });
    }

    /**
     * 根据文件url获取文件的路径名字
     *
     * @param url
     * @return
     */
    private String getFileName(String url) {
        int separatorIndex = url.lastIndexOf("/");
        String path = (separatorIndex < 0) ? url : url.substring(separatorIndex + 1, url.length());
        return path;
    }
}

public class Fragment_New extends Fragment {

    private View view;
    private Banner banner;
    RbDatas rbDatas;
    private XRecyclerView xrv;
    private List list_banner;
    private MyRvAdapter myRvAdapter;
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.frag_new, null);
        showBanner();
        showXrv();
        return view;
    }

    private void showXrv() {
        xrv = view.findViewById(R.id.xrv);
        myRvAdapter = new MyRvAdapter(getActivity(), rbDatas);
        xrv.setAdapter(myRvAdapter);
    }

    private void showBanner() {
        banner = view.findViewById(R.id.banner);
        OkHttp.getAsync("http://news-at.zhihu.com/api/4/news/latest", new OkHttp.DataCallBack() {
            @Override
            public void requestFailure(Request request, IOException e) {

            }

            @Override
            public void requestSuccess(String result) throws Exception {
                rbDatas = RbDatas.objectFromData(result);

            }
        });
        list_banner = new ArrayList();
//        for (int i = 0; i < rbDatas.top_stories.size(); i++) {
//            list_banner.add(rbDatas.top_stories.get(i).image);
//        }

        list_banner.add("https://pic3.zhimg.com/v2-20786b64172211a00c6e611b1bfbb2b6.jpg");
        list_banner.add("https://pic4.zhimg.com/v2-97d9c4d8c3c673b10772682e5ac0c137.jpg");
        list_banner.add("https://pic2.zhimg.com/v2-e7582788c34b9d40b7b849ea3458d0dd.jpg");
        list_banner.add("https://pic1.zhimg.com/v2-e5b5e2342378517d1ddeb3f26496367c.jpg");
        list_banner.add("https://pic2.zhimg.com/v2-2f8827e1dd120aecea73713fd27f67d1.jpg");
        banner.setImages(list_banner);
        banner.setImageLoader(new ImageLoader() {
            @Override
            public void displayImage(Context context, Object path, ImageView imageView) {
                Glide.with(context).load(path).into(imageView);
            }
        });
        banner.start();
    }
}

public class Fragment_One extends Fragment {

    private View view;
    private TabLayout tabLayout;//定义tablayout控件
    private ViewPager vp_tab;//定义ViewPager
    private List list_frag_tab;//定义存放Fragment的集合
    private List list_title;//tab名称列表
    private MyTabAdapter myTabAdapter;
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        view = inflater.inflate(R.layout.frag_one, null);

        //加载tablayout
        initControls(view);


        return view;
    }

    private void initControls(View view) {
        tabLayout = (TabLayout)view.findViewById(R.id.tablayout);
        vp_tab = (ViewPager)view.findViewById(R.id.vp_tab);

        //添加Fragment给tablayout
        list_frag_tab = new ArrayList<>();
        list_frag_tab.add(new Fragment_New());
        list_frag_tab.add(new Fragment_ZL());
        list_frag_tab.add(new Fragment_Hot());
        list_frag_tab.add(new Fragment_ZT());


        //给tablayout添加名字
        list_title = new ArrayList<>();
        list_title.add("最新日报");
        list_title.add("专栏");
        list_title.add("热门");
        list_title.add("主题日报");

        //给tablayout设置模式

        //给tablayout设置标题
        for (int i = 0; i < list_title.size(); i++) {
            tabLayout.addTab(tabLayout.newTab().setText(list_title.get(i)));
        }

        myTabAdapter = new MyTabAdapter(getFragmentManager(), list_frag_tab, list_title);
        vp_tab.setAdapter(myTabAdapter);
    }
}

 
public class MyFTAdapter extends FragmentPagerAdapter {

    private FragmentPagerAdapter fm;
    private List list_frag;
    public MyFTAdapter(FragmentManager fm, List list_frag) {
        super(fm);
        this.list_frag = list_frag;
    }

    @Override
    public Fragment getItem(int position) {
        return list_frag.get(position);
    }

    @Override
    public int getCount() {
        return list_frag.size();
    }
}
public class MyRvAdapter extends XRecyclerView.Adapter {

    private Context context;
    private RbDatas rbDatas;

    public MyRvAdapter(Context context, RbDatas rbDatas) {
        this.context = context;
        this.rbDatas = rbDatas;
    }

    @Override
    public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(context).inflate(R.layout.item, parent, false);
        MyViewHolder holder = new MyViewHolder(view);
        return holder;
    }

    @Override
    public void onBindViewHolder(MyViewHolder holder, int position) {
        Glide.with(context).load(rbDatas.stories.get(position).images.get(0)).into(holder.iv_item);
        holder.tv_item.setText(rbDatas.stories.get(position).title);
    }

    @Override
    public int getItemCount() {
        return rbDatas.stories.size();
    }

    static class MyViewHolder extends XRecyclerView.ViewHolder{
    ImageView iv_item;
        TextView tv_item;
        public MyViewHolder(View itemView) {
            super(itemView);
            iv_item = itemView.findViewById(R.id.iv_item);
            tv_item = itemView.findViewById(R.id.tv_item);
        }
    }
}

public class MyTabAdapter extends FragmentPagerAdapter {

    private List list_frag_tab;
    private List list_title;
    public MyTabAdapter(FragmentManager fm, List list_frag_tab, List list_title) {
        super(fm);
        this.list_frag_tab = list_frag_tab;
        this.list_title = list_title;
    }

    @Override
    public Fragment getItem(int position) {
        return list_frag_tab.get(position);
    }

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

    //联动后通过ViewPager适配器里面的getpagetitle方法给tablayout设置标题
    @Override
    public CharSequence getPageTitle(int position) {
        return list_title.get(position);
    }
}