新闻资讯
来源：互联网 发布：心理治疗效果 知乎 编辑：程序博客网 时间：2024/05/16 09:55
主页面布局
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <RadioGroup android:layout_width="fill_parent" android:layout_height="50dp" android:orientation="horizontal" > <RadioButton android:id="@+id/bt1" android:layout_width="50dp" android:layout_height="fill_parent" android:layout_weight="1" android:background="@drawable/radiobutton_item" android:checked="true" android:button="@null" android:gravity="center" android:text="资讯" android:textColor="#00ff00" android:textSize="20sp" /> <RadioButton android:id="@+id/bt2" android:layout_width="50dp" android:layout_height="fill_parent" android:layout_weight="1" android:background="@drawable/radiobutton_item" android:button="@null" android:gravity="center" android:text="热点" android:textSize="20sp" /> <RadioButton android:id="@+id/bt3" android:layout_width="50dp" android:layout_height="fill_parent" android:layout_weight="1" android:background="@drawable/radiobutton_item" android:button="@null" android:gravity="center" android:text="博客" android:textSize="20sp" /> <RadioButton android:id="@+id/bt4" android:layout_width="50dp" android:layout_height="fill_parent" android:layout_weight="1" android:background="@drawable/radiobutton_item" android:button="@null" android:gravity="center" android:text="推荐" android:textSize="20sp" /> </RadioGroup> <FrameLayout android:id="@+id/fragmentlayout" android:layout_width="fill_parent" android:layout_height="0dp" android:layout_weight="1" ></FrameLayout></LinearLayout>radiobutton_item
<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_checked="true"><layer-list> <item android:top="44dp"><shape android:shape="rectangle"> <solid android:color="#00ff00" /> </shape></item> </layer-list></item></selector>tuijianfragment
<?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" > <com.bwie.test.xlistview.XListView android:id="@+id/xlistview" android:layout_width="fill_parent" android:layout_height="fill_parent" ></com.bwie.test.xlistview.XListView></LinearLayout>tuijian_item
<?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" > <TextView android:id="@+id/tuijian_title" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="title" android:textColor="#000000" android:textSize="30sp" /> <TextView android:id="@+id/tuijian_body" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="TextView" android:textSize="20sp" /> <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <TextView android:id="@+id/tuijian_author" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="author" /> <TextView android:id="@+id/tuijian_pubDate" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:text="pubDate" /> <TextView android:id="@+id/tuijian_commentCount" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:text="commentCount" /> </LinearLayout></LinearLayout>bean类
package com.bwie.test.bean;public class NewsInformation { public String title; public String id; public String body; public String commentCount; public String author; public String authorid; public String pubDate; @Override public String toString() { return "NewsInformation [title=" + title + ", id=" + id + ", body=" + body + ", commentCount=" + commentCount + ", author=" + author + ", authroid=" + authorid + ", pubDate=" + pubDate + "]"; }}适配器类
package com.bwie.test.adpater;import java.util.ArrayList;import java.util.List;import com.bwie.test.R;import com.bwie.test.bean.NewsInformation;import android.content.Context;import android.view.View;import android.view.ViewGroup;import android.widget.BaseAdapter;import android.widget.TextView;public class MyAdapter extends BaseAdapter { Context context; List<NewsInformation> list = new ArrayList<NewsInformation>(); public MyAdapter(Context context) { super(); this.context = context; } public void changeUp(List<NewsInformation> list) { this.list.addAll(0, list); this.notifyDataSetChanged(); } public void changeDown(List<NewsInformation> list) { this.list.addAll(list); this.notifyDataSetChanged(); } @Override public int getCount() { // TODO Auto-generated method stub return list.size(); } @Override public Object getItem(int arg0) { // TODO Auto-generated method stub return null; } @Override public long getItemId(int arg0) { // TODO Auto-generated method stub return 0; } @Override public View getView(int position, View convertView, ViewGroup arg2) { ViewHolder holder; if (convertView == null) { holder = new ViewHolder(); convertView = View.inflate(context, R.layout.tuijian_item, null); holder.tuijian_title = (TextView) convertView .findViewById(R.id.tuijian_title); holder.tuijian_body = (TextView) convertView .findViewById(R.id.tuijian_body); holder.tuijian_author = (TextView) convertView .findViewById(R.id.tuijian_author); holder.tuijian_pubDate = (TextView) convertView .findViewById(R.id.tuijian_pubDate); holder.tuijian_commentCount = (TextView) convertView .findViewById(R.id.tuijian_commentCount); convertView.setTag(holder); } else { holder = (ViewHolder) convertView.getTag(); } holder.tuijian_title.setText(list.get(position).title); holder.tuijian_body.setText(list.get(position).body); holder.tuijian_author.setText(list.get(position).author); holder.tuijian_pubDate.setText(list.get(position).pubDate); holder.tuijian_commentCount.setText(list.get(position).commentCount); return convertView; } class ViewHolder { TextView tuijian_title, tuijian_body, tuijian_author, tuijian_pubDate, tuijian_commentCount; }}博客fragment
package com.bwie.test.fragment;import java.io.ByteArrayInputStream;import java.io.InputStream;import java.util.ArrayList;import java.util.List;import org.xmlpull.v1.XmlPullParser;import org.xmlpull.v1.XmlPullParserFactory;import com.bwie.test.R;import com.bwie.test.adpater.MyAdapter;import com.bwie.test.bean.NewsInformation;import com.bwie.test.xlistview.XListView;import com.bwie.test.xlistview.XListView.IXListViewListener;import com.lidroid.xutils.HttpUtils;import com.lidroid.xutils.exception.HttpException;import com.lidroid.xutils.http.ResponseInfo;import com.lidroid.xutils.http.callback.RequestCallBack;import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;import android.os.Bundle;import android.os.Handler;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;public class BoKeFragment extends Fragment implements IXListViewListener { private List<NewsInformation> list; private XListView listView; boolean type = true; private MyAdapter adapter; int j = 1; Handler handler = new Handler() { public void handleMessage(android.os.Message msg) { if (msg.what == 1) { adapter.changeUp(list); } else if (msg.what == 2) { adapter.changeDown(list); } }; }; private String path; @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.tuijianfragment, null); listView = (XListView) view.findViewById(R.id.xlistview); Bundle bundle = getArguments(); path = (String) bundle.get("path"); getXML(); adapter = new MyAdapter(getActivity()); listView.setAdapter(adapter); listView.setXListViewListener(this); listView.setPullLoadEnable(true); listView.setPullRefreshEnable(true); return view; } private void getXML() { new Thread() { public void run() { System.out.println("开始解析"); HttpUtils httpUtils = new HttpUtils(); httpUtils.send(HttpMethod.GET, path, new RequestCallBack<String>() { @Override public void onFailure(HttpException arg0, String arg1) { System.out.println("解析失败"); } @Override public void onSuccess(ResponseInfo<String> arg0) { String xml = arg0.result; System.out.println(xml); InputStream inputStream = new ByteArrayInputStream( xml.getBytes()); getPull(inputStream); if (type == true) { handler.sendEmptyMessage(1); } else { handler.sendEmptyMessage(2); } } }); }; }.start(); } public void getPull(InputStream inputStream) { try { NewsInformation newsInfo = null; // 使用pull解析 XmlPullParserFactory factory = XmlPullParserFactory.newInstance(); XmlPullParser parser = factory.newPullParser(); parser.setInput(inputStream, "utf-8"); int type_name = parser.getEventType(); while (XmlPullParser.END_DOCUMENT != parser.getEventType()) { switch (type_name) { case XmlPullParser.START_DOCUMENT: list = new ArrayList<NewsInformation>(); break; case XmlPullParser.START_TAG: if ("blog".equals(parser.getName())) { newsInfo = new NewsInformation(); } if (newsInfo != null) { if ("title".equals(parser.getName())) { newsInfo.title = parser.nextText(); } else if ("id".equals(parser.getName())) { newsInfo.id = parser.nextText(); } else if ("body".equals(parser.getName())) { newsInfo.body = parser.nextText(); } else if ("commentCount".equals(parser.getName())) { newsInfo.commentCount = parser.nextText(); } else if ("author".equals(parser.getName())) { newsInfo.author = parser.nextText(); } else if ("pubDate".equals(parser.getName())) { newsInfo.pubDate = parser.nextText(); } else if ("authorid".equals(parser.getName())) { newsInfo.authorid = parser.nextText(); } } break; case XmlPullParser.END_TAG: if ("blog".equals(parser.getName())) { list.add(newsInfo); System.out.println(newsInfo.toString()); } break; default: break; } type_name=parser.next(); } } catch (Exception e) { e.printStackTrace(); } } @Override public void onRefresh() { path=path+1; type=true; getXML(); close(); } public void close(){ listView.stopLoadMore(); listView.stopRefresh(); } @Override public void onLoadMore() { System.out.println("上拉-----"); j++; path=path+j; type=false; getXML(); close(); }}推荐fragment
package com.bwie.test.fragment;import java.io.ByteArrayInputStream;import java.io.InputStream;import java.util.ArrayList;import java.util.List;import org.xmlpull.v1.XmlPullParser;import org.xmlpull.v1.XmlPullParserFactory;import com.bwie.test.R;import com.bwie.test.adpater.MyAdapter;import com.bwie.test.bean.NewsInformation;import com.bwie.test.xlistview.XListView;import com.bwie.test.xlistview.XListView.IXListViewListener;import com.lidroid.xutils.HttpUtils;import com.lidroid.xutils.exception.HttpException;import com.lidroid.xutils.http.ResponseInfo;import com.lidroid.xutils.http.callback.RequestCallBack;import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;import android.os.Bundle;import android.os.Handler;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;public class TuiJianFragment extends Fragment implements IXListViewListener { private List<NewsInformation> list; private XListView listView; boolean type = true; private MyAdapter adapter; int j = 1; Handler handler = new Handler() { public void handleMessage(android.os.Message msg) { if (msg.what == 1) { adapter.changeUp(list); } else if (msg.what == 2) { adapter.changeDown(list); } }; }; private String path; private String str; @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.tuijianfragment, null); listView = (XListView) view.findViewById(R.id.xlistview); Bundle bundle = getArguments(); path = (String) bundle.get("path"); str = path + 1; getXML(); adapter = new MyAdapter(getActivity()); listView.setAdapter(adapter); listView.setXListViewListener(this); listView.setPullLoadEnable(true); listView.setPullRefreshEnable(true); return view; } private void getXML() { new Thread() { public void run() { HttpUtils httpUtils = new HttpUtils(); System.out.println(str); httpUtils.send(HttpMethod.GET, str, new RequestCallBack<String>() { // 解析失败 @Override public void onFailure(HttpException arg0, String arg1) { System.out.println("解析失败"); } // 解析成功 @Override public void onSuccess(ResponseInfo<String> arg0) { String xml = arg0.result; InputStream inputStream = new ByteArrayInputStream( xml.getBytes()); getPull(inputStream); if (type == true) { handler.sendEmptyMessage(1); } else { handler.sendEmptyMessage(2); } } }); }; }.start(); } public void getPull(InputStream inputStream) { try { NewsInformation newsInfo = null; // 使用pull解析数据 XmlPullParserFactory factory = XmlPullParserFactory.newInstance(); XmlPullParser parser = factory.newPullParser(); parser.setInput(inputStream, "utf-8"); int type_name = parser.getEventType(); while (XmlPullParser.END_DOCUMENT != parser.getEventType()) { switch (type_name) { case XmlPullParser.START_DOCUMENT: list = new ArrayList<NewsInformation>(); break; case XmlPullParser.START_TAG: if ("news".equals(parser.getName())) { newsInfo = new NewsInformation(); } if (newsInfo != null) { if ("title".equals(parser.getName())) { newsInfo.title = parser.nextText(); } else if ("id".equals(parser.getName())) { newsInfo.id = parser.nextText(); } else if ("body".equals(parser.getName())) { newsInfo.body = parser.nextText(); } else if ("commentCount".equals(parser.getName())) { newsInfo.commentCount = parser.nextText(); } else if ("author".equals(parser.getName())) { newsInfo.author = parser.nextText(); } else if ("pubDate".equals(parser.getName())) { newsInfo.pubDate = parser.nextText(); } else if ("authorid".equals(parser.getName())) { newsInfo.authorid = parser.nextText(); } } break; case XmlPullParser.END_TAG: if ("news".equals(parser.getName())) { list.add(newsInfo); // System.out.println(news.toString()); } break; default: break; } type_name=parser.next(); } } catch (Exception e) { e.printStackTrace(); } } @Override public void onRefresh() { str=path+1; type=true; getXML(); close(); } public void close(){ listView.stopRefresh(); listView.stopLoadMore(); } @Override public void onLoadMore() { System.out.println("上拉---"); j++; str=path+j; type=false; getXML(); close(); }}mainactivity
package com.bwie.test;import com.bwie.test.fragment.BoKeFragment;import com.bwie.test.fragment.TuiJianFragment;import android.os.Bundle;import android.support.v4.app.FragmentActivity;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentTransaction;import android.view.View;import android.view.View.OnClickListener;import android.widget.RadioButton;public class MainActivity extends FragmentActivity { private RadioButton bt1; private RadioButton bt2; private RadioButton bt3; private RadioButton bt4; String path[] = { "http://www.oschina.net/action/api/news_list?catalog=1&pageSize=10&pageIndex=", "http://www.oschina.net/action/api/news_list?catalog=4&pageSize=10&show=week&pageIndex=", "http://www.oschina.net/action/api/blog_list?type=latest&pageSize=10&pageIndex=", "http://www.oschina.net/action/api/blog_list?type=recommend&pageSize=10&pageIndex=" }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); bt1 = (RadioButton) findViewById(R.id.bt1); bt2 = (RadioButton) findViewById(R.id.bt2); bt3 = (RadioButton) findViewById(R.id.bt3); bt4 = (RadioButton) findViewById(R.id.bt4); FragmentManager manager = getSupportFragmentManager(); FragmentTransaction transaction = manager.beginTransaction(); TuiJianFragment fragment = new TuiJianFragment(); Bundle bundle = new Bundle(); bundle.putString("path", path[0]); fragment.setArguments(bundle); transaction.replace(R.id.fragmentlayout, fragment); transaction.commit(); bt1.setOnClickListener(new MyClick()); bt2.setOnClickListener(new MyClick()); bt3.setOnClickListener(new MyClick()); bt4.setOnClickListener(new MyClick()); } class MyClick implements OnClickListener { @Override public void onClick(View v) { FragmentManager manager = getSupportFragmentManager(); FragmentTransaction transaction = manager.beginTransaction(); switch (v.getId()) { case R.id.bt1: TuiJianFragment fragment1 = new TuiJianFragment(); Bundle bundle1 = new Bundle(); bundle1.putString("path", path[0]); fragment1.setArguments(bundle1); bt1.setTextColor(0xff00ff00); bt2.setTextColor(0xff000000); bt3.setTextColor(0xff000000); bt4.setTextColor(0xff000000); transaction.replace(R.id.fragmentlayout, fragment1); break; case R.id.bt2: TuiJianFragment fragment2 = new TuiJianFragment(); Bundle bundle2 = new Bundle(); bundle2.putString("path", path[1]); fragment2.setArguments(bundle2); bt1.setTextColor(0xff000000); bt2.setTextColor(0xff00ff00); bt3.setTextColor(0xff000000); bt4.setTextColor(0xff000000); transaction.replace(R.id.fragmentlayout, fragment2); break; case R.id.bt3: BoKeFragment fragment3 = new BoKeFragment(); Bundle bundle3 = new Bundle(); bundle3.putString("path", path[2]); fragment3.setArguments(bundle3); bt1.setTextColor(0xff000000); bt2.setTextColor(0xff000000); bt3.setTextColor(0xff00ff00); bt4.setTextColor(0xff000000); transaction.replace(R.id.fragmentlayout, fragment3); break; case R.id.bt4: BoKeFragment fragment4 = new BoKeFragment(); Bundle bundle4 = new Bundle(); bundle4.putString("path", path[3]); fragment4.setArguments(bundle4); bt1.setTextColor(0xff000000); bt2.setTextColor(0xff000000); bt3.setTextColor(0xff000000); bt4.setTextColor(0xff00ff00); transaction.replace(R.id.fragmentlayout, fragment4); default: break; } transaction.commit(); } }} 0 0
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