健康栏目

1package com.example.health;    import java.util.List;    import android.support.v4.view.PagerAdapter;  import android.view.View;  import android.view.ViewGroup;    public class HealthViewPagerAdapter extends PagerAdapter  {  private List<View>viewList;  public HealthViewPagerAdapter(List<View>viewList){      this.viewList=viewList;  }  @Override  public int getCount()  {      // TODO Auto-generated method stub      return viewList.size();  }  @Override  public boolean isViewFromObject(View view, Object object)  {      // TODO Auto-generated method stub      return view==object;  }  @Override  public Object instantiateItem(ViewGroup container, int position)  {      container.addView(viewList.get(position));      return viewList.get(position);  }  public void destroyItem(ViewGroup container, int position, Object object)  {      container.removeView(viewList.get(position));  }        }  2package com.example.health;    import android.content.Context;  import android.view.LayoutInflater;  import android.view.View;  import android.webkit.WebView;  import android.webkit.WebViewClient;    public class HealthWebView  {  private Context context;  public HealthWebView(Context context){      this.context=context;        }  public View getView(String url){      View view=LayoutInflater.from(context).inflate(              R.layout.pagerofhealthy, null);      WebView webView=(WebView) view.findViewById(R.id.wvHealth);      webView.loadUrl(url);      webView.getSettings().setJavaScriptEnabled(true);      webView.setWebViewClient(new WebViewClient(){          public boolean shouldOverrideUrlLoading(WebView view,String url){              view.loadUrl(url);              return true;          }      });      return view;  }  }  3package com.example.health;    import java.util.ArrayList;  import java.util.List;    import android.annotation.SuppressLint;import android.app.ActionBar.LayoutParams;  import android.app.Activity;  import android.os.Bundle;  import android.support.v4.view.ViewPager;  import android.support.v4.view.ViewPager.OnPageChangeListener;  import android.util.DisplayMetrics;  import android.view.Display;  import android.view.Menu;  import android.view.View;  import android.view.View.OnClickListener;  import android.widget.ImageView;  import android.widget.LinearLayout;  import android.widget.TextView;    public class MainActivity extends Activity  {        private int currIndex;      private TextView tvCursor;      private TextView tvHealthNews;      private TextView tvIllnessDefense;      private ViewPager vpHealth;      private ImageView ivHealthBack;      protected void onCreate(Bundle savedInstanceState)      {          super.onCreate(savedInstanceState);          setContentView(R.layout.activity_main);          initViews();          initCursor();          initViewPager();          setListeners();      }      private void initViews()      {          ivHealthBack=(ImageView) findViewById(R.id.icon_health_back);          tvCursor=(TextView) findViewById(R.id.cursor);          tvHealthNews=(TextView) findViewById(R.id.tv_healthnews);          tvIllnessDefense=(TextView) findViewById(R.id.tv_healthill);          vpHealth=(ViewPager) findViewById(R.id.viewpager);                }      @SuppressLint("NewApi")private void initCursor()      {          Display display=getWindow().getWindowManager().getDefaultDisplay();          DisplayMetrics metrics=new DisplayMetrics();          display.getMetrics(metrics);          int tabLineLength=metrics.widthPixels/2;          LayoutParams lp=(LayoutParams) tvCursor.getLayoutParams();          lp.width=tabLineLength;          tvCursor.setLayoutParams(lp);      }      private void initViewPager()      {          vpHealth=(ViewPager) findViewById(R.id.viewpager);          List<View>views=new ArrayList<View>();          views.add(new HealthWebView(this).getView("http://cms.hxky.cn/wap/jkxz"));          views.add(new HealthWebView(this).getView("http://cms.hxky.cn/wap/jbfz"));          vpHealth.setAdapter(new HealthViewPagerAdapter(views));          vpHealth.setCurrentItem(0);      }        private void setListeners()      {          ivHealthBack.setOnClickListener(new OnClickListener(){          public void onClick(View arg0){              finish();          }          });          tvHealthNews.setOnClickListener(new OnClickListener(){                @Override              public void onClick(View view) {                  vpHealth.setCurrentItem(0);              }                        });          tvIllnessDefense.setOnClickListener(new OnClickListener(){                @Override              public void onClick(View view) {                  // TODO Auto-generated method stub                  vpHealth.setCurrentItem(1);              }                    });          vpHealth.setOnPageChangeListener(new OnPageChangeListener(){          public void onPageSelected(int position){              currIndex=position;          }          public void onPageScrolled(int position,float percent,int ag2){              LinearLayout.LayoutParams ll=(android.widget.LinearLayout.LayoutParams)tvCursor.getLayoutParams();              if(currIndex==position){                  ll.leftMargin=(int)(currIndex*tvCursor.getWidth()+                          percent*tvCursor.getWidth());                                }else if(currIndex>position){                  ll.leftMargin=(int)(currIndex*tvCursor.getWidth()-                          (1-percent)*tvCursor.getWidth());                                }              tvCursor.setLayoutParams(ll);          }          public void onPageScrollStateChanged(int position){                        }      });                }                                    }  4<?xml version="1.0" encoding="utf-8"?>              <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"       tools:context=".HealthActivity">       <include  layout="@layout/healty_layout_titlebar"/>        <LinearLayout            android:layout_width="match_parent"            android:layout_height="wrap_content">            <!-- 健康新知 -->             <TextView                 android:id="@+id/tv_healthnews"                 android:layout_width="wrap_content"                  android:layout_height="wrap_content"                  android:layout_gravity="center"                  android:layout_weight="1"                  android:gravity="center"                  android:padding="6dp"                  android:text="健康新知"                  android:textSize="18sp"/>             <!-- 疾病防治 -->              <TextView                  android:id="@+id/tv_healthill"                 android:layout_width="wrap_content"                  android:layout_height="wrap_content"                   android:layout_gravity="center"                   android:layout_weight="1"                   android:gravity="center"                   android:padding="6dp"                   android:text="疾病防治"                   android:textSize="18sp"/>                   </LinearLayout>                   <TextView                       android:id="@+id/cursor"                        android:layout_width="125dp"                        android:layout_height="5dp"                       android:layout_marginLeft="20dp"                        android:background="#990033"/>                                         <android.support.v4.view.ViewPager                            android:id="@+id/viewpager"                            android:layout_width="match_parent"                             android:layout_height="match_parent"/>                            </LinearLayout>   5<?xml version="1.0" encoding="utf-8"?>  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"      android:layout_width="fill_parent"      android:layout_height="wrap_content"            android:background="@drawable/titlebar_bg" >      <ImageView           android:id="@+id/icon_health_back"          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:layout_gravity="center"          android:gravity="center"          android:paddingLeft="6dp"          android:src="@drawable/icons_health_back"/>      <TextView           android:id="@+id/title"          android:layout_width="0dp"          android:layout_height="wrap_content"          android:layout_gravity="center"          android:layout_weight="1"          android:gravity="center"          android:text="健康"          android:textColor="#ffffff"          android:textSize="15sp"/>          </LinearLayout>  6<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.health"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="18" />    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.example.health.MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>