我写了一个viewpager,共有5个界面。想在viewpager界面上显示webview,写完之后代码没有提示错误,但一直运行不了,求解决,贴上源代码。
package com.example.young;
import java.util.ArrayList;
import java.util.List;
import com.example.young.utils.WebView1;
import android.app.Activity;
import android.app.LocalActivityManager;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
public class TabyixueActivity extends Activity{
//存放页面的容器
List listViews;
//上下文
Context context;
@SuppressWarnings("deprecation")
LocalActivityManager manager = null;
//实现翻页的组件
private ViewPager pager = null;
//生成webview数组
private WebView webView[];
//private List<View> webView;
private void InitWebView() {
//加载webview
webView[0]=(WebView1)findViewById(R.id.webView21);
//webView[1]=(WebView1)findViewById(R.id.webView22);
//webView[2]=(WebView1)findViewById(R.id.webView23);
//webView[3]=(WebView1)findViewById(R.id.webView24);
//webView[4]=(WebView1)findViewById(R.id.webView25);
//加载网页
webView[0].loadUrl("http://www.baidu.com");
//webView[1].loadUrl("http://www.sohu.com");
//webView[2].loadUrl("http://www.sina.com");
//webView[3].loadUrl("http://www.qq.com");
//webView[4].loadUrl("http://www.360.com");
}
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.layout_yixue);
LayoutInflater inflater = LayoutInflater.from(this);
manager = new LocalActivityManager(this, true);
manager.dispatchCreate(savedInstanceState);
context = TabyixueActivity.this;
// 呈现页面滑动效果
pager = (ViewPager) findViewById(R.id.yixuetext);
listViews = new ArrayList<View>();
View view1 = inflater.inflate(R.layout.yixue_1, null);
View view2 = inflater.inflate(R.layout.yixue_2, null);
View view3 = inflater.inflate(R.layout.yixue_3, null);
View view4 = inflater.inflate(R.layout.yixue_4, null);
View view5 = inflater.inflate(R.layout.yixue_5, null);
listViews.add(view1);
listViews.add(view2);
listViews.add(view3);
listViews.add(view4);
listViews.add(view5);
//滑页适配器
pager.setAdapter(pagerAdapter);
pager.setOnPageChangeListener(new OnPageChangeListener(){
@Override
public void onPageSelected(int position){
//stetDots();
}
@Override
public void onPageScrolled(int arg0,float arg1,int arg2){}
@Override
public void onPageScrollStateChanged(int arg0){}
});
InitWebView();
}
private void addView(List<View> view,String url){
WebView webView =new WebView(this);
webView.loadUrl(url);
view.add(webView);
}
private PagerAdapter pagerAdapter=new PagerAdapter(){
@Override
//这里获得当前页卡
public Object instantiateItem(ViewGroup view,int position){
view.addView(listViews.get(position));
return listViews.get(position);
}
@Override
//得到所有页卡的个数
public int getCount() {
return listViews.size();
}
@Override
//判断当前显示页卡是否匹配
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0==arg1;
}
@Override
//销毁页卡
public void destroyItem(ViewGroup view,int position,Object arg2){
ViewPager pViewPager=((ViewPager)view);
pViewPager.removeView(listViews.get(position));
}
};
}