Android开发实现网络加载多张图片并可以滑动
直接上代码：关键代码已标红，
public class Page_XiangQing_TongYong extends Activity implements OnClickListener{
TextView tv_jiantou_bianmin_chuxing;//返回箭头 下为返回
TextView tv_fanhui_bianmin_chuxing;
TextView tv_bianmin_banshi_xiangqing_title;//标题
TextView tv_bianmin_banshi_xiangqing_time;//时间
WebView tv_content_bianmin_banshi_xiangqing;//内容
ImageView img_content_bianmin_banshi_xiangqing;//图片
//实现图片的异步加载
public ImageLoader imageLoader;
User_BianMin_SheQuHuoDong user;
User_BianMin_XiangQing userHuoqu;
Handler hand;
//所有图盘的URL
List
//实现图片滚动
private ViewPager viewPager;
private ArrayList
private ImageView imageView;
private ImageView[] imageViews;
// ���ͼƬLinearLayout
private ViewGroup main;
// ���СԲ���LinearLayout
private ViewGroup group;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
//setContentView(R.layout.page_bianmin_banshi_xiangqing);//此处需注意
super.onCreate(savedInstanceState);
//imageload
ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(getApplicationContext())
.threadPriority(Thread.NORM_PRIORITY - 2).denyCacheImageMultipleSizesInMemory()
.diskCacheFileNameGenerator(new Md5FileNameGenerator())
.tasksProcessingOrder(QueueProcessingType.LIFO).build();
ImageLoader.getInstance().init(config);
imageLoader=ImageLoader.getInstance();
Log.e("-进入通用界面----------------------", "");
//获取传输过来的数据
Intent intent=getIntent();
user=(User_BianMin_SheQuHuoDong) intent.getSerializableExtra("CODE");
Log.e("-获取到信息id------",user.getId());
new getdata().start();
hand=new Handler(){
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
switch (msg.what) {
case 1:
Log.e("---图片URL--------", list1.size()+"sadhkj");
//int[] img=new int[]{R.drawable.a1,R.drawable.a2,R.drawable.a3,R.drawable.a4,R.drawable.ic_launcher};
LayoutInflater inflater = getLayoutInflater();
pageViews = new ArrayList
for(int j=0;j
LayoutParams ltp=new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
final ImageView imageView=new ImageView(getApplicationContext());
imageView.setScaleType(ScaleType.FIT_XY);
//imageload
imageLoader.displayImage(list1.get(j), imageView,getDefaultOptions());
//super.onCreate(savedInstanceState);
layout.addView(imageView, ltp);
pageViews.add(layout);
}
imageViews = new ImageView[pageViews.size()];
main = (ViewGroup)inflater.inflate(R.layout.page_bianmin_banshi_xiangqing, null);
group = (ViewGroup)main.findViewById(R.id.viewGroup);
viewPager = (ViewPager)main.findViewById(R.id.guidePages);
for (int it = 0;it < pageViews.size(); it++) {
imageView = new ImageView(getApplicationContext());
imageView.setLayoutParams(new LayoutParams(10,10));
imageView.setPadding(20, 0, 20, 0);
imageViews[it] = imageView;
if (it == 0) {
imageViews[it].setBackgroundResource(R.drawable.select);
} else {
imageViews[it].setBackgroundResource(R.drawable.disselect);
}
group.addView(imageViews[it]);
}
setContentView(main);
viewPager.setAdapter(new GuidePageAdapter());
viewPager.setOnPageChangeListener(new GuidePageChangeListener());
//
tv_jiantou_bianmin_chuxing=(TextView) findViewById(R.id.tv_jiantou_bianmin_chuxing);
tv_fanhui_bianmin_chuxing=(TextView) findViewById(R.id.tv_fanhui_bianmin_chuxing);
tv_bianmin_banshi_xiangqing_title=(TextView) findViewById(R.id.tv_bianmin_banshi_xiangqing_title);
tv_content_bianmin_banshi_xiangqing=(WebView) findViewById(R.id.tv_content_bianmin_banshi_xiangqing);
tv_bianmin_banshi_xiangqing_time=(TextView) findViewById(R.id.tv_bianmin_banshi_xiangqing_time);
tv_bianmin_banshi_xiangqing_title.setText(" "+userHuoqu.getTitle());
tv_bianmin_banshi_xiangqing_time.setText(userHuoqu.getDate());
tv_content_bianmin_banshi_xiangqing.loadDataWithBaseURL("", userHuoqu.getContent(), "text/html", "UTF-8", "");;
init();
break;
default:
break;
}
super.handleMessage(msg);
}
};
}
public void init(){
tv_jiantou_bianmin_chuxing=(TextView) findViewById(R.id.tv_jiantou_bianmin_chuxing);
tv_fanhui_bianmin_chuxing=(TextView) findViewById(R.id.tv_fanhui_bianmin_chuxing);
tv_bianmin_banshi_xiangqing_title=(TextView) findViewById(R.id.tv_bianmin_banshi_xiangqing_title);
tv_content_bianmin_banshi_xiangqing=(WebView) findViewById(R.id.tv_content_bianmin_banshi_xiangqing);
tv_bianmin_banshi_xiangqing_time=(TextView) findViewById(R.id.tv_bianmin_banshi_xiangqing_time);
tv_fanhui_bianmin_chuxing=(TextView) findViewById(R.id.tv_fanhui_bianmin_chuxing);
tv_fanhui_bianmin_chuxing.setOnClickListener(this);
//img_content_bianmin_banshi_xiangqing=(ImageView) findViewById(R.id.img_content_bianmin_banshi_xiangqing);
}
//加载图片的方法
/**
* 设置默认图片
* @return
*/
public static DisplayImageOptions getDefaultOptions() {
//设置图片加载的属性
Builder b = new DisplayImageOptions.Builder();
b.showImageForEmptyUri(R.drawable.no_pic);
b.showImageOnFail(R.drawable.no_pic);
b.showImageOnLoading(R.drawable.loading);
b.resetViewBeforeLoading(Boolean.TRUE);
b.cacheOnDisk(Boolean.TRUE);
b.cacheInMemory(Boolean.TRUE);
b.imageScaleType(ImageScaleType.EXACTLY_STRETCHED);
return b.bitmapConfig(Bitmap.Config.RGB_565).build();
}
//获取服务器数据
class getdata extends Thread{
@Override
public void run() {
// TODO Auto-generated method stub
SoapObject soapobject=new SoapObject(name, method);
Log.e("-获取的userid--------", user.getId());
//soapobject.addProperty("condition","");
soapobject.addProperty("id",user.getId());
// TODO Auto-generated method stub
WebServiceFormat webservice=new WebServiceFormat();
String result=webservice.getData(name, method, url, soapobject);
Log.e("------------------社区活动界面----------------------", result);
try {
JSONObject jsono=new JSONObject(result);
userHuoqu=new User_BianMin_XiangQing();
userHuoqu.setContent(jsono.getString("content"));
userHuoqu.setDate(jsono.getString("releaseDate"));
userHuoqu.setTitle(jsono.getString("title"));
JSONArray jsona=jsono.getJSONArray("picPathSet");
Log.e("jsona的长度", jsona.length()+"");
list1=new ArrayList
int j;
//获取图片的URL
for(j=0;j
list1.add(tupian.getString("picPath"));
}
userHuoqu.setPicpath(list1);
Log.e("url总数",list1.size()+"" );
// userHuoqu.setPicpath(tupian.getString("picPath"));
// Log.e("--图片地址---------------------", tupian.getString("picPath"));
if(userHuoqu!=null){
Message mess=new Message();
mess.what=1;
hand.sendMessage(mess);
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
super.run();
}
}
//获取
class GuidePageAdapter extends PagerAdapter {
@Override
public int getCount() {
return pageViews.size();
}
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
}
@Override
public int getItemPosition(Object object) {
// TODO Auto-generated method stub
return super.getItemPosition(object);
}
@Override
public void destroyItem(View arg0, int arg1, Object arg2) {
// TODO Auto-generated method stub
((ViewPager) arg0).removeView(pageViews.get(arg1));
}
@Override
public Object instantiateItem(View arg0, int arg1) {
// TODO Auto-generated method stub
((ViewPager) arg0).addView(pageViews.get(arg1));
return pageViews.get(arg1);
}
@Override
public void restoreState(Parcelable arg0, ClassLoader arg1) {
// TODO Auto-generated method stub
}
@Override
public Parcelable saveState() {
// TODO Auto-generated method stub
return null;
}
@Override
public void startUpdate(View arg0) {
// TODO Auto-generated method stub
}
@Override
public void finishUpdate(View arg0) {
// TODO Auto-generated method stub
}
}
class GuidePageChangeListener implements OnPageChangeListener {
@Override
public void onPageScrollStateChanged(int arg0) {
// TODO Auto-generated method stub
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
// TODO Auto-generated method stub
}
@Override
public void onPageSelected(int arg0) {
for (int i = 0; i < imageViews.length; i++) {
imageViews[arg0].setBackgroundResource(R.drawable.select);
if (arg0 != i) {
imageViews[i].setBackgroundResource(R.drawable.disselect);
}
}
}
}
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
switch (arg0.getId()) {
case R.id.tv_fanhui_bianmin_chuxing:
finish();
break;
default:
break;
}
}
}
================================================分割线，下为布局文件=======================================================================================
android:layout_below="@+id/re1"
android:layout_width="fill_parent"
android:layout_height="150dp">
android:id="@+id/guidePages"
android:layout_width="250dp"
android:layout_height="150dp"/>
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_gravity="bottom"
android:gravity="center_horizontal"
android:orientation="horizontal">