健康栏目

1
package 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));
}

}

2
package 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;
}
}
3
package 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:layo
4000
ut_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>