8月资讯实战

===============================3秒跳转

package com.bwieyuekao;

import android.content.Intent;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    private MyHanler hanler = new MyHanler();
    private TextView textView;
    private int i = 3;
    private static final int MAG = 123;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        textView = (TextView) findViewById(R.id.miao);
        hanler.sendEmptyMessageDelayed(0, 1000);

        textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(MainActivity.this, Show.class);
                startActivity(intent);
                finish();
            }
        });
    }

    class MyHanler extends Handler {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            i--;
            textView.setText(i + "s");
            if (i == 0) {
                hanler.removeCallbacksAndMessages(null);
                Intent intent = new Intent(MainActivity.this, Show.class);
                startActivity(intent);
                finish();
            } else {
                hanler.sendEmptyMessageAtTime(0, 1000);
            }
        }
    }
}

==========================================Activity Show

public class Show extends FragmentActivity {
    private boolean flag=false;
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.show);
        ImageView imageView = (ImageView) findViewById(R.id.img);
        FrameLayout frameLayout = (FrameLayout) findViewById(R.id.la);

        getSupportFragmentManager().beginTransaction().replace(R.id.la,new Men1()).commit();
        imageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                flag=!flag;
                if(flag){
                    getSupportFragmentManager().beginTransaction().replace(R.id.la,new Men2()).commit();

                }else {
                    getSupportFragmentManager().beginTransaction().replace(R.id.la,new Men1()).commit();

                }

            }
        });
    }
}

=====================================Frament1

package com.bwieyuekao;

import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;

import com.example.xlistviewlib.XListView;
import com.google.gson.Gson;

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

public class Men1 extends Fragment  {
    private XListView listView;
    private String dataUrl = "http://172.17.8.100/mobile/exam/findNewList";
    private String dataUrl1 ="https://api.yunxuekeji.cn/yunxue_app_api/content/getIndexBanner/1";
    private NewsAdapter newsAdapter;
    private List<News.ResultBean.DataBean> list=new ArrayList<>();
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.men1, null, false);
        listView = (XListView) view.findViewById(R.id.list);
        doHttp();
        newsAdapter = new NewsAdapter(getActivity());
        listView.setAdapter(newsAdapter);

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
               //跳转传值
                Intent intent = new Intent(getActivity(), Ds.class);
                intent.putExtra("url",list.get(i).getUrl());
                startActivity(intent);

            }
        });

        listView.setPullLoadEnable(true);
        listView.setXListViewListener(new XListView.IXListViewListener() {
            @Override
            public void onRefresh() {
                //下拉刷新
                doHttp();
            }

            @Override
            public void onLoadMore() {
                //上拉加载
                listView.stopLoadMore();
            }
        });
        return view;
    }

    private void doHttp() {
        new Helpler().get(dataUrl).result(new Helpler.Httplinertn() {


            @Override
            public void sucess(String data) {
                News bean = new Gson().fromJson(data, News.class);
               list = bean.getResult().getData();
                newsAdapter.setList(list);
                listView.stopRefresh();
            }

        });

    }

}

===========================Framen2

package com.bwieyuekao;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.example.xlistviewlib.XListView;
import com.google.gson.Gson;

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


public class Men2 extends Fragment {
    private XListView listView;
    private List<News1.BodyBean.ResultBean> list=new ArrayList<>();
    private String dataUrl1 ="https://api.yunxuekeji.cn/yunxue_app_api/content/getIndexBanner/1";

    private News1A newsAdapter;
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.men2, null, false);

        listView = (XListView) view.findViewById(R.id.li);
        newsAdapter = new News1A(getActivity());

        listView.setAdapter(newsAdapter);
        listView.setPullLoadEnable(true);
        listView.setXListViewListener(new XListView.IXListViewListener() {
            @Override
            public void onRefresh() {
                //下拉刷新
                doHttp();
            }

            @Override
            public void onLoadMore() {
                //上拉加载
                listView.stopLoadMore();
            }
        });
        return view;
    }
    private void doHttp() {
        new Helpler().get(dataUrl1).result(new Helpler.Httplinertn() {


            @Override
            public void sucess(String data) {
                News1 bean = new Gson().fromJson(data, News1.class);
                List<News1.BodyBean.ResultBean> list= bean.getBody().getResult();
                newsAdapter.setList1(list);
                listView.stopRefresh();
            }

        });

    }

}
===============================================FRmnet1跳转无限轮播

public class Ds extends AppCompatActivity {

    private List<Integer> list = new ArrayList<Integer>();
    private ViewPager Pager;
    private RadioGroup group;
  private   Handler myhang=new  Handler(){
      @Override
      public void handleMessage(Message msg) {
          super.handleMessage(msg);
          if(msg.what==0){
              int i=Pager.getCurrentItem();
              if(i<list.size()-1){
                   i++;
              }else{
                  i=0;
              }
              Pager.setCurrentItem(i);
              myhang.sendEmptyMessageDelayed(0,2000);
          }
      }
  };
    private WebView view;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.vi);
        view = (WebView) findViewById(R.id.web);
        group = (RadioGroup) findViewById(R.id.gtoup);
        Pager = (ViewPager) findViewById(R.id.pager);

        list.add(R.drawable.q);
        list.add(R.drawable.ic_launcher_background);
        list.add(R.drawable.ww);

        MyAdapter myAdapter = new MyAdapter();
        Pager.setAdapter(myAdapter);
        myhang.sendEmptyMessageDelayed(0, 2000);

        Pager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
           @Override
           public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
               group.check(group.getChildAt(position % list.size()).getId());
           }

           @Override
           public void onPageSelected(int position) {

           }

           @Override
           public void onPageScrollStateChanged(int state) {

           }
       });
        //接受值
        Intent intent=getIntent();
        String extra = intent.getStringExtra("url");
        view.loadUrl(extra);
        view.setWebViewClient(new WebViewClient(){

            @Override
            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
                return super.shouldOverrideUrlLoading(view, request);
            }
        });
    }

    class MyAdapter extends PagerAdapter {
        @Override
        public int getCount() {
            return list.size();
        }

        @Override
        public boolean isViewFromObject(View view, Object object) {
            return view==object;
        }

        @Override
        public Object instantiateItem(ViewGroup container, int position) {
            ImageView imageView = new ImageView(Ds.this);
            imageView.setImageResource(list.get(position));
            container.addView(imageView);
            return imageView;
        }

        @Override
        public void destroyItem(ViewGroup container, int position, Object object) {
            container.removeView((View) object);
        }
    }

}

==============================   ============适配器

package com.bwieyuekao;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import com.nostra13.universalimageloader.core.ImageLoader;

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

public class NewsAdapter extends BaseAdapter {
    public Context context;

    public NewsAdapter(Context context) {
        this.context = context;
    }

    private List<News.ResultBean.DataBean> list = new ArrayList<>();

    public void setList(List<News.ResultBean.DataBean> list) {
        this.list = list;
        notifyDataSetChanged();
    }


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

    @Override
    public Object getItem(int i) {
        return null;
    }

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

    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {
        ViewHolder1 viewHolder1;
        if (view == null) {
            view = View.inflate(context, R.layout.lay, null);
            viewHolder1 = new ViewHolder1();
            viewHolder1.img = (ImageView) view.findViewById(R.id.news_pic);
            viewHolder1.men1 = (TextView) view.findViewById(R.id.news_desc);
            viewHolder1.men2 = (TextView) view.findViewById(R.id.news_title);
            view.setTag(viewHolder1);
        } else {
            viewHolder1 = (ViewHolder1) view.getTag();
        }

        News.ResultBean.DataBean bean = list.get(i);
        viewHolder1.men1.setText(bean.getAuthor_name());
        viewHolder1.men2.setText(bean.getCategory());
        ImageLoader.getInstance().displayImage(bean.getThumbnail_pic_s(), viewHolder1.img);

        return view;
    }


    class ViewHolder1 {
        ImageView img;
        TextView men1;
        TextView men2;
    }
}

========================================Hepler

package com.bwieyuekao;

import android.os.AsyncTask;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class Helpler {
    public Helpler() {


    }

    public Helpler get(String url) {
        MyAsyncTask myAsyncTask = new MyAsyncTask(url);
        myAsyncTask.execute();
        return this;
    }

    private class MyAsyncTask extends AsyncTask<String, Integer, String> {
        private String url, method, string;

        public MyAsyncTask(String url) {
            this.url = url;
        }

        @Override
        protected String doInBackground(String... strings) {
            String a = "0";
            try {
                URL url1 = new URL(this.url);
                HttpURLConnection connection = (HttpURLConnection) url1.openConnection();
                connection.setRequestMethod("GET");
                connection.setReadTimeout(5000);
                connection.connect();

                int i = connection.getResponseCode();
                if (i == HttpURLConnection.HTTP_OK) {
                    InputStream is = connection.getInputStream();
                    String data = convert2sString(is);
                    a = data;
                }
            } catch (Exception e) {
                e.printStackTrace();
            }

            return a;
        }

        @Override
        protected void onPostExecute(String s) {
            super.onPostExecute(s);
            if ("0".equals(s)) {

            } else {
                httplinertn.sucess(s);
            }
        }
    }

    private Httplinertn httplinertn;

    public void result(Httplinertn httplinertn) {
        this.httplinertn = httplinertn;
    }

    public interface Httplinertn {
        void sucess(String data);
    }

    private String convert2sString(InputStream is) throws IOException {
        ByteArrayOutputStream ia = new ByteArrayOutputStream();
        int len = -1;
        byte[] buffer = new byte[512];
        while ((len = is.read(buffer)) != -1) {
            ia.write(buffer, 0, len);
        }
        return new String(ia.toByteArray());
    }
}

=========================布局show

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

    <ImageView
        android:id="@+id/img"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:src="@drawable/q" />

    <FrameLayout
        android:id="@+id/la"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    </FrameLayout>

</LinearLayout>

==============================vi

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

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

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
    </RadioGroup>

    <android.support.v4.view.ViewPager
    android:id="@+id/pager"
    android:layout_width="wrap_content"
    android:layout_height="200dp"
    />
    <WebView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/web">

    </WebView>

</LinearLayout>