实例介绍
【实例简介】
【实例截图】
【核心代码】
package lty.newscol;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Handler;
import android.support.v4.widget.SwipeRefreshLayout;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
public class MainActivity extends Activity implements OnClickListener{
private TextView tv_date;
private TextView tv_month;
private ListView lv;
private String[] title;
private String[] content;
private List<HealthLayoutMessage> contentlist;
private BaseAdapter adapter;
private ImageView iv_more;
List<Map<String, String>> moreList;
private PopupWindow pwMyPopWindow;// popupwindow
private ListView lvPopupList;// popupwindow对应的ListView
private int NUM_OF_VISIBLE_LIST_ROWS = 5;//listview中栏目的数量
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
initData();
initPopupWindow();
initotherview();
initviews();
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int p,
long arg3) {
// TODO Auto-generated method stub
String url = contentlist.get(p).getUrl().toString();
Intent intent = new Intent(MainActivity.this,HealthNewsDetail.class);
intent.putExtra("url", url);
startActivity(intent);
}
});
}
private List<HealthLayoutMessage> getMyData(){
List<HealthLayoutMessage> msgList = new ArrayList<HealthLayoutMessage>();
HealthLayoutMessage msg;
title = getResources().getStringArray(R.array.lv_title);
content = getResources().getStringArray(R.array.lv_content);
/*
* Tag标签:新闻的种类
* 1:慢病
* 2:免疫
* 3:流行病
* 4:保健
* */
msg = new HealthLayoutMessage();
msg.setTag(1);
msg.setType(MyAdapter.LV_NO_PIC);
msg.setTitle(title[0]);
msg.setContent(content[0]);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
msg = new HealthLayoutMessage();
msg.setTag(2);
msg.setType(MyAdapter.LV_BIG_PIC);
msg.setTitle(title[8]);
msg.setPic(R.drawable.newspic1);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
msg = new HealthLayoutMessage();
msg.setTag(1);
msg.setType(MyAdapter.LV_NO_PIC);
msg.setTitle(title[1]);
msg.setContent(content[1]);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
msg = new HealthLayoutMessage();
msg.setTag(3);
msg.setType(MyAdapter.LV_LITTLE_PIC);
msg.setTitle(title[2]);
msg.setContent(content[2]);
msg.setPic(R.drawable.newssquarepic1);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
msg = new HealthLayoutMessage();
msg.setTag(4);
msg.setType(MyAdapter.LV_NO_PIC);
msg.setTitle(title[3]);
msg.setContent(content[3]);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
msg = new HealthLayoutMessage();
msg.setTag(4);
msg.setType(MyAdapter.LV_NO_PIC);
msg.setTitle(title[4]);
msg.setContent(content[4]);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
msg = new HealthLayoutMessage();
msg.setTag(2);
msg.setType(MyAdapter.LV_LITTLE_PIC);
msg.setTitle(title[5]);
msg.setContent(content[5]);
msg.setPic(R.drawable.newssquarepic2);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
msg = new HealthLayoutMessage();
msg.setTag(1);
msg.setType(MyAdapter.LV_BIG_PIC);
msg.setTitle(title[9]);
msg.setPic(R.drawable.newspic2);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
msg = new HealthLayoutMessage();
msg.setTag(3);
msg.setType(MyAdapter.LV_NO_PIC);
msg.setTitle(title[6]);
msg.setContent(content[6]);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
msg = new HealthLayoutMessage();
msg.setTag(3);
msg.setType(MyAdapter.LV_NO_PIC);
msg.setTitle(title[7]);
msg.setContent(content[7]);
msg.setUrl("http://news.fh21.com.cn/jksd/480509.html");
msgList.add(msg);
return msgList;
}
private void initData() {
moreList = new ArrayList<Map<String, String>>();
Map<String, String> map;
map = new HashMap<String, String>();
map.put("share_key", "慢病");
moreList.add(map);
map = new HashMap<String, String>();
map.put("share_key", "免疫");
moreList.add(map);
map = new HashMap<String, String>();
map.put("share_key", "流行病");
moreList.add(map);
map = new HashMap<String, String>();
map.put("share_key", "保健");
moreList.add(map);
map = new HashMap<String, String>();
map.put("share_key", "所有资讯");
moreList.add(map);
contentlist = new ArrayList<HealthLayoutMessage>(getMyData());
adapter = getAdapter();
}
@SuppressLint("InflateParams")
private void initPopupWindow() {
LayoutInflater inflater = (LayoutInflater) this
.getSystemService(LAYOUT_INFLATER_SERVICE);
View layout = inflater.inflate(R.layout.task_detail_popupwindow, null);
lvPopupList = (ListView) layout.findViewById(R.id.lv_popup_list);
pwMyPopWindow = new PopupWindow(layout);
pwMyPopWindow.setFocusable(true);
lvPopupList.setAdapter(new SimpleAdapter(MainActivity.this, moreList,
R.layout.list_item_popupwindow, new String[] { "share_key" },
new int[] { R.id.tv_list_item }));
lvPopupList.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
contentlist.clear();
if(position == 4){
contentlist.addAll(getMyData());
}
else{
contentlist.addAll(getMyData());
for(int i=0;i<contentlist.size();i ){
if(contentlist.get(i).getTag()!=(position 1)){
contentlist.remove(i);
i--;
}
}
}
adapter.notifyDataSetChanged();
}
});
// 设置popupwindow 的长宽
lvPopupList.measure(View.MeasureSpec.UNSPECIFIED,
View.MeasureSpec.UNSPECIFIED);
pwMyPopWindow.setWidth(lvPopupList.getMeasuredWidth());
pwMyPopWindow.setHeight((lvPopupList.getMeasuredHeight() 6)
* NUM_OF_VISIBLE_LIST_ROWS);
// 设置背景
pwMyPopWindow.setBackgroundDrawable(this.getResources().getDrawable(
R.drawable.bitmap_book_read_chapterlist_repeat));
pwMyPopWindow.setOutsideTouchable(true);//设置popupwindow 点击外面消失
}
private void initotherview() {
// TODO Auto-generated method stub
iv_more = (ImageView)findViewById(R.id.health_news_more_content);
iv_more.setOnClickListener(this);
}
private BaseAdapter getAdapter(){
return new MyAdapter(this, contentlist);
}
private void initviews() {
// TODO Auto-generated method stub
String[] monthname = getResources().getStringArray(R.array.Month);
tv_date = (TextView)findViewById(R.id.health_news_date);
tv_month = (TextView)findViewById(R.id.health_news_month);
lv = (ListView)findViewById(R.id.health_news_lv);
lv.setAdapter(adapter);
/*
*修改日期信息
* */
Calendar c = Calendar.getInstance();//可以对每个时间域单独修改
int month_index = c.get(Calendar.MONTH);
String date = String.valueOf(c.get(Calendar.DATE));
if(date.length()<2) date = "0" date;
tv_date.setText(date);
tv_month.setText(monthname[month_index]);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch(v.getId()){
case R.id.health_news_more_content:
if (pwMyPopWindow.isShowing()) {
pwMyPopWindow.dismiss();// 鍏抽棴
} else {
pwMyPopWindow.showAsDropDown(iv_more);// 鏄剧ず
}
}
}
}
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