fragment1
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//MAinActivity 页面package com.example.zhouk3;import android.graphics.Color;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentPagerAdapter;import android.support.v4.view.ViewPager;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.view.ViewGroup;import android.widget.HorizontalScrollView;import android.widget.LinearLayout;import android.widget.TextView;import java.util.ArrayList;public class MainActivity extends AppCompatActivity { private HorizontalScrollView hs; private LinearLayout ll; private ViewPager vp; private ArrayList<TextView> textViews; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); hs =(HorizontalScrollView)findViewById(R.id.hs); ll =(LinearLayout)findViewById(R.id.ll); vp =(ViewPager)findViewById(R.id.vp); String titles[]=new String[]{"福利", "Android", "ios", "休息视频", "扩展资源", "前端", "all"}; //创建集合 textViews = new ArrayList<>(); for (int i = 0; i <titles.length ; i++) { TextView textView = new TextView(MainActivity.this); textView.setText(titles[i]); textView.setTextSize(20); textView.setId(i+1000); textView.setOnClickListener(new View.OnClickListener(){ @Override public void onClick(View v) { int id = v.getId(); vp.setCurrentItem(id-1000); } }); if (i==0){ textView.setTextColor(Color.RED); }else{ textView.setTextColor(Color.BLACK); } LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); layoutParams.setMargins(20,10,20,10); ll.addView(textView,layoutParams); textViews.add(textView); } Madapter madapter = new Madapter(getSupportFragmentManager()); vp.setAdapter(madapter); vp.addOnPageChangeListener(new ViewPager.OnPageChangeListener(){ @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { for (int j=0;j<textViews.size();j++){ if (position==j){ textViews.get(j).setTextColor(Color.RED); }else{ textViews.get(j).setTextColor(Color.BLACK); } } TextView textView1 = textViews.get(position); int i1 = textView1.getWidth() + 10; hs.scrollTo(i1*position,0); } @Override public void onPageSelected(int position) { } @Override public void onPageScrollStateChanged(int state) { } }); } class Madapter extends FragmentPagerAdapter{ public Madapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { return fragment1.getok(textViews.get(position).getText().toString()); } @Override public int getCount() { return textViews.size(); } }}
//Fragment传值package com.example.zhouk3;import android.os.AsyncTask;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.BaseAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import com.google.gson.Gson;import com.handmark.pulltorefresh.library.PullToRefreshBase;import com.handmark.pulltorefresh.library.PullToRefreshListView;import com.nostra13.universalimageloader.core.ImageLoader;import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;import java.net.URLEncoder;import java.util.ArrayList;import java.util.List;/** * */public class fragment1 extends Fragment{ private View view; private PullToRefreshListView pull; String nam="福利"; int index=1; List<User.ResultsBean> arr; private Madapter madapter; private List<User.ResultsBean> results; @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { view = View.inflate(getActivity(), R.layout.fragment1, null); pull = (PullToRefreshListView)view.findViewById(R.id.pull_refresh_list); return view; } public static Fragment getok(String ss){ fragment1 ff = new fragment1(); Bundle bundle = new Bundle(); bundle.putString("name",ss); ff.setArguments(bundle); return ff; } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); Bundle arguments = getArguments(); String string = arguments.getString("name"); nam=string; arr=new ArrayList<User.ResultsBean>(); pull.setMode(PullToRefreshBase.Mode.BOTH);//设置拉 madapter = new Madapter(); pull.setAdapter(madapter); try { new MAsayTask().execute("http://gank.io/api/data/"+URLEncoder.encode(nam,"utf-8")+"/10/"+index); pull.setOnRefreshListener(new PullToRefreshBase.OnRefreshListener2<ListView>() { @Override public void onPullDownToRefresh(PullToRefreshBase<ListView> refreshView) { try { arr.clear(); index=1; new MAsayTask().execute("http://gank.io/api/data/"+URLEncoder.encode(nam,"utf-8")+"/10/"+index); } catch (Exception e) { e.printStackTrace(); } } @Override public void onPullUpToRefresh(PullToRefreshBase<ListView> refreshView) { try { index++; new MAsayTask().execute("http://gank.io/api/data/"+URLEncoder.encode(nam,"utf-8")+"/10/"+index); } catch (Exception e) { e.printStackTrace(); } } }); } catch (Exception e) { e.printStackTrace(); } } //适配器 class Madapter extends BaseAdapter{ @Override public int getItemViewType(int position) { if (arr.get(position).getImages()==null){ return 0; } return 1; } @Override public int getViewTypeCount() { return 2; } @Override public int getCount() { return arr.size(); } @Override public Object getItem(int position) { return arr.get(position); } @Override public long getItemId(int position) { return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { int itemViewType = getItemViewType(position); User.ResultsBean resultsBean = arr.get(position); switch (itemViewType){ case 0: ViewHolder1 vh1; if (convertView==null){ convertView = View.inflate(getActivity(), R.layout.duo2, null); vh1=new ViewHolder1(); vh1.tv1=(TextView) convertView.findViewById(R.id.tv1); convertView.setTag(vh1); }else{ vh1=(ViewHolder1) convertView.getTag(); } vh1.tv1.setText(resultsBean.getDesc()); break; case 1: ViewHolder vh; if (convertView==null){ convertView = View.inflate(getActivity(), R.layout.duo, null); vh = new ViewHolder(); vh.tv=(TextView) convertView.findViewById(R.id.tv); vh.img=(ImageView) convertView.findViewById(R.id.img); convertView.setTag(vh); }else{ vh=(ViewHolder) convertView.getTag(); } vh.tv.setText(resultsBean.getDesc()); ImageLoader.getInstance().displayImage(resultsBean.getImages().get(0),vh.img); break; } return convertView; } class ViewHolder{ ImageView img; TextView tv; } class ViewHolder1{ TextView tv1; } } //异步 class MAsayTask extends AsyncTask<String,Void,String>{ @Override protected void onPreExecute() { super.onPreExecute(); } @Override protected void onPostExecute(String s) { super.onPostExecute(s); Gson gson = new Gson(); User user = gson.fromJson(s, User.class); results = user.getResults(); arr.addAll(results); madapter.notifyDataSetChanged(); pull.onRefreshComplete(); } @Override protected void onProgressUpdate(Void... values) { super.onProgressUpdate(values); } @Override protected String doInBackground(String... params) { try { URL url = new URL(params[0]); HttpURLConnection urlConnection = (HttpURLConnection)url.openConnection(); int responseCode = urlConnection.getResponseCode(); if (responseCode==200){ InputStream inputStream = urlConnection.getInputStream(); BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream)); StringBuilder builder = new StringBuilder(); String string=""; while ((string=bufferedReader.readLine())!=null){ builder.append(string); } return builder.toString(); } } catch (Exception e) { e.printStackTrace(); } return null; } }}
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