Java HTML解析JSoup img不'；行不通 新LOGCAT LogCat错误消息
此部分用于在img的Java HTML解析JSoup img不'；行不通 新LOGCAT LogCat错误消息,java,android,html,Java,Android,Html,此部分用于在img的ArrayList中插入Bitmap URL解析为： Mainactivity.java 公共类MainActivity扩展活动{ ListView lista； @凌驾 创建时受保护的void（Bundle savedInstanceState）{ super.onCreate（savedInstanceState）； setContentView（R.layout.activity_main）； lista=（ListView）this.findviewbyd（R.id.
ArrayListBitmap公共类MainActivity扩展活动{
ListView lista；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity_main）；
lista=（ListView）this.findviewbyd（R.id.main_lista）；//列表id
//异步任务
ParsingPaginaWeb解析=新建ParsingPaginaWeb（）；
解析。执行（“”）；
}
@凌驾
公共布尔onCreateOptions菜单（菜单）{
getMenuInflater（）.充气（R.menu.main，menu）；
返回true；
}
私有类ParsingPaginaWeb扩展异步任务{
ArrayList titoli；//列表标题
ArrayList descripioni；//列表描述
ArrayList日期；//列表日期
ArrayList类别；//列表类别
ArrayList immaginiart；//lista img
@凌驾
受保护的void onPreExecute（）
{
titoli=新的ArrayList（）；
descripioni=newarraylist（）；
日期=新的ArrayList（）；
category=newarraylist（）；
immaginiart=新数组列表（）；
}
@凌驾
受保护的字符串doInBackground（字符串…参数）{
位图；
试一试{
Document doc=Jsoup.connect（“http://www.santeramolive.it/news/tutte-le-news.aspx")
.userAgent（“Mozilla/5.0（Windows NT 6.2；WOW64）AppleWebKit/537.22（KHTML，如Gecko）Chrome/25.0.1364.172 Safari/537.22”）
.timeout（30000.get（）；
元素listarticoli=doc.getElementsByClass（“列出文章”）.first（）；
Elements articoli=listarticoli.getElementsByClass（“艺术列表”）；
用于（元素Artiolo:Artioli）
{
//头衔
字符串titolo=articolo.getElementsByClass（“t-art-list”）.first（）.text（）；
//描述
String descripione=articolo.getElementsByTag（“p”）.first（）.text（）；
//在arraylist中插入
添加（titolo）；
说明i.添加（说明e）；
Elements dcs=articolo.getElementsByClass（“日期标签艺术列表”）；
用于（元件dc:dcs）
{
字符串数据=dc.getElementsByClass（“日期艺术列表”）.first（）.text（）；
字符串categoria=dc.getElementsByClass（“标记艺术列表”）.first（）.text（）；
date.add（数据）；//add date
categorie.add（categoria）；//添加类别
}
//img部件
元素imgdivs=articolo.getElementsByClass（“f-art-list”）；
用于（元素imgsdiv:imgdivs）
{
Element divimg=imgsdiv.getElementsByClass（“惰性img响应”）.first（）；
字符串imgSrc=divimg.attr（“src”）；
InputStream input=new java.net.URL（imgSrc.openStream（）；
位图=BitmapFactory.decodeStream（输入）；
immaginiart.add（位图）；
}
}
}捕获（例外e）{
Log.e（“ESEMPIO”、“ERRORE-NEL解析”）；
}
返回null；
}
@凌驾
受保护的void onPostExecute（字符串结果）
{
ParsingarayAdapter=新的ParsingarayAdapter（main activity.this，titoli，descripioni，date，categorie，immaginiart）；
setAdapter（适配器）；
}
}
}
公共类ParsingArrayAdapter扩展ArrayAdapter{
//静态等风险和agli id
私有最终静态int-LAYOUT=R.LAYOUT.riga_listview；
私有最终静态int TITOLO=R.id.riga_listview_TITOLO；
私有最终静态int descripione=R.id.riga_listview_descripione；
私有最终静态int DATA=R.id.riga_listview_DATA；
私有最终静态int CATEGORIA=R.id.riga_listview_CATEGORIA；
私有最终静态int-IMMAGINE=R.id.riga\u listview\u-IMMAGINE；
ArrayList titoli；
ArrayList Descriptioni；
ArrayList日期；
ArrayList分类；
ArrayList Inmaginiart；
上下文c；//上下文
布局充气机；//布局充气机
公共ParsingArrayAdapter（上下文上下文、ArrayList标题、ArrayList描述、ArrayList日期、ArrayList分类、ArrayList immaginiart）
{
超级（上下文，TITOLO）；
c=上下文；
this.titoli=titoli；
this.descripioni=descripioni；
这个日期=日期；
this.categorie=categorie；
这个。immaginiart=immaginiart；
此充气器=来自（c）的充气器；
}
@凌驾
public int getCount（）
{
返回titoli.size（）；
}
@凌驾
公共视图getView（int pos、视图视图、视图组父视图）
{
CacheRiga cache；//cache
如果（视图==null）
{
//在quanto devo ancora modificare中查看非附件alla lista
//我是testi delle textview
视图=充气机。充气（布局、父级、假）；
cache=新CacheRiga（）；
cache.titolo=（TextView）view.findViewById（titolo）；
cache.descripione=（TextView）view.findViewById（descripione）；//collego descripione
cache.data=（TextView）view.findViewById（数据）；
cache.categoria=（TextView）view.findViewById（categoria）；
cache.immagineart=（ImageView）view.findViewById（IMMAGINE）；
view.setTag（缓存）；
}
其他的
{
cache=（CacheRiga）视图。getTag（）；dalla视图
}
cache.titolo.setText（titoli.get（pos））；
cache.descripione.setText（descripioni.get（pos））；
cache.data.setText（date.get（pos））；
cache.categoria.setText（categorie.get（pos））；
cache.immagineart.setImageBitmap（immaginiart.get（pos））；
返回视图；
}
私有类CacheRiga{
公共文本视图标题；
公共文本视图描述；
公共文本视图数据；
公共文本视图分类；
公众形象观；
}
}
String imgSrc = divimg.attr("src");
<figure class="f-art-list">
<a href="/news/Cronaca/295507/news.aspx" id="MainContent_ListNews_rptNews_lnkToNews1_0" title="Ai domiciliari dopo atti incendiari nei confronti di imprenditore di Noci. Arrestati due santermani">
<img style="display: block;" data-original="http://cdn.livenetwork.it/news/295507/634903800413300428_arresto_carabinieri_HomeStandard_191x95.jpg" src="http://cdn.livenetwork.it/news/295507/634903800413300428_arresto_carabinieri_HomeStandard_191x95.jpg" class="lazy img-responsive" alt="Ai domiciliari dopo atti incendiari nei confronti di imprenditore di Noci. Arrestati due santermani" title="Ai domiciliari dopo atti incendiari nei confronti di imprenditore di Noci. Arrestati due santermani">
</a>
</figure>
cache.immagineart.setImageBitmap(immaginiart.get(pos));
06-20 12:30:17.097: E/AndroidRuntime(15941): FATAL EXCEPTION: main
06-20 12:30:17.097: E/AndroidRuntime(15941): Process: it.rs.esempioparsinglistview, PID: 15941
06-20 12:30:17.097: E/AndroidRuntime(15941): java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
06-20 12:30:17.097: E/AndroidRuntime(15941): at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
06-20 12:30:17.097: E/AndroidRuntime(15941): at java.util.ArrayList.get(ArrayList.java:308)
06-20 12:30:17.097: E/AndroidRuntime(15941): at it.rs.esempioparsinglistview.ParsingArrayAdapter.getView(ParsingArrayAdapter.java:78)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.widget.AbsListView.obtainView(AbsListView.java:2295)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.widget.ListView.measureHeightOfChildren(ListView.java:1263)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.widget.ListView.onMeasure(ListView.java:1175)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.View.measure(View.java:16521)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1231)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.widget.LinearLayout.onMeasure(LinearLayout.java:590)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.View.measure(View.java:16521)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.View.measure(View.java:16521)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
06-20 12:30:17.097: E/AndroidRuntime(15941): at com.android.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:327)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.View.measure(View.java:16521)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
06-20 12:30:17.097: E/AndroidRuntime(15941): at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2553)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.View.measure(View.java:16521)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1916)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1113)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1295)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5670)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.Choreographer.doCallbacks(Choreographer.java:574)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.Choreographer.doFrame(Choreographer.java:544)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.os.Handler.handleCallback(Handler.java:733)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.os.Handler.dispatchMessage(Handler.java:95)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.os.Looper.loop(Looper.java:136)
06-20 12:30:17.097: E/AndroidRuntime(15941): at android.app.ActivityThread.main(ActivityThread.java:5142)
06-20 12:30:17.097: E/AndroidRuntime(15941): at java.lang.reflect.Method.invokeNative(Native Method)
06-20 12:30:17.097: E/AndroidRuntime(15941): at java.lang.reflect.Method.invoke(Method.java:515)
06-20 12:30:17.097: E/AndroidRuntime(15941): at dalvik.system.NativeStart.main(Native Method)
ParsingArrayAdapter.java:78 is this: cache.immagineart.setImageBitmap(immaginiart.get(pos));
public class MainActivity extends Activity {
ListView lista;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lista = (ListView)this.findViewById(R.id.main_lista);//list id
//asynctask
ParsingPaginaWeb parsing = new ParsingPaginaWeb();
parsing.execute("");
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
private class ParsingPaginaWeb extends AsyncTask<String,String,String> {
ArrayList<String> titoli; //list title
ArrayList<String> descrizioni; //list description
ArrayList<String> date; // list date
ArrayList<String> categorie; // list category
ArrayList<Bitmap> immaginiart; // lista img
@Override
protected void onPreExecute()
{
titoli = new ArrayList<String>();
descrizioni = new ArrayList<String>();
date= new ArrayList<String>();
categorie= new ArrayList<String>();
immaginiart = new ArrayList<Bitmap>();
}
@Override
protected String doInBackground(String... params) {
Bitmap bitmap;
try {
Document doc = Jsoup.connect("http://www.santeramolive.it/news/tutte-le-news.aspx")
.userAgent("Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.172 Safari/537.22")
.timeout(30000).get();
Element listarticoli = doc.getElementsByClass("list-articles").first();
Elements articoli = listarticoli.getElementsByClass("art-list");
for(Element articolo : articoli)
{
// title
String titolo = articolo.getElementsByClass("t-art-list").first().text();
// description
String descrizione = articolo.getElementsByTag("p").first().text();
// insert in arraylist
titoli.add(titolo);
descrizioni.add(descrizione);
Elements dcs = articolo.getElementsByClass("date-tag-art-list");
for(Element dc : dcs)
{
String data = dc.getElementsByClass("date-art-list").first().text();
String categoria = dc.getElementsByClass("tag-art-list").first().text();
date.add(data); // add date
categorie.add(categoria);// add category
}
//img part
Elements imgdivs = articolo.getElementsByClass("f-art-list");
for(Element imgsdiv : imgdivs)
{
Element divimg = imgsdiv.getElementsByClass("lazy img-responsive").first();
String imgSrc = divimg.attr("src");
InputStream input = new java.net.URL(imgSrc).openStream();
bitmap = BitmapFactory.decodeStream(input);
immaginiart.add(bitmap);
}
}
} catch (Exception e) {
Log.e("ESEMPIO", "ERRORE NEL PARSING");
}
return null;
}
@Override
protected void onPostExecute(String result)
{
ParsingArrayAdapter adapter = new ParsingArrayAdapter(MainActivity.this, titoli, descrizioni, date, categorie, immaginiart);
lista.setAdapter(adapter);
}
}
}
public class ParsingArrayAdapter extends ArrayAdapter<String>{
//riferimenti statici alle risorse e agli id
private final static int LAYOUT = R.layout.riga_listview;
private final static int TITOLO = R.id.riga_listview_titolo;
private final static int DESCRIZIONE = R.id.riga_listview_descrizione;
private final static int DATA = R.id.riga_listview_data;
private final static int CATEGORIA = R.id.riga_listview_categoria;
private final static int IMMAGINE= R.id.riga_listview_immagine;
ArrayList<String> titoli;
ArrayList<String> descrizioni;
ArrayList<String> date;
ArrayList<String> categorie;
ArrayList<Bitmap> immaginiart;
Context c; //context
LayoutInflater inflater; //layout inflater
public ParsingArrayAdapter(Context context,ArrayList<String> titoli,ArrayList<String> descrizioni, ArrayList<String> date, ArrayList<String> categorie, ArrayList<Bitmap> immaginiart)
{
super(context,TITOLO);
this.c = context;
this.titoli = titoli;
this.descrizioni = descrizioni;
this.date= date;
this.categorie= categorie;
this.immaginiart= immaginiart;
this.inflater = LayoutInflater.from(c);
}
@Override
public int getCount()
{
return titoli.size();
}
@Override
public View getView(int pos,View view,ViewGroup parent)
{
CacheRiga cache; //cache
if(view==null)
{
// creo la view ma non l'attacco alla lista in quanto devo ancora modificare
// i testi delle textview
view = inflater.inflate(LAYOUT, parent,false);
cache = new CacheRiga();
cache.titolo = (TextView) view.findViewById(TITOLO);
cache.descrizione = (TextView) view.findViewById(DESCRIZIONE);//collego descrizione
cache.data = (TextView) view.findViewById(DATA);
cache.categoria = (TextView) view.findViewById(CATEGORIA);
cache.immagineart = (ImageView) view.findViewById(IMMAGINE);
view.setTag(cache);
}
else
{
cache = (CacheRiga) view.getTag(); dalla view
}
cache.titolo.setText(titoli.get(pos));
cache.descrizione.setText(descrizioni.get(pos));
cache.data.setText(date.get(pos));
cache.categoria.setText(categorie.get(pos));
cache.immagineart.setImageBitmap(immaginiart.get(pos));
return view;
}
private class CacheRiga {
public TextView titolo;
public TextView descrizione;
public TextView data;
public TextView categoria;
public ImageView immagineart;
}
}
String imgSrc = divimg.attr("src");
Element divimg = imgsdiv.getElementsByClass("lazy img-responsive").first();
if ( divimg==null)
{
Log.e(TAG, "divimg==null: " + titolo);
immaginiart.add(null);
}
else
{
String imgSrc = divimg.attr("src");
InputStream input = new java.net.URL(imgSrc).openStream();
bitmap = BitmapFactory.decodeStream(input);
immaginiart.add(bitmap);
}