how to read browser history in android phone -

i'm working on app in android can read/view browser history date , time stamp (optional) part on thesis project.

help me :(

i tried code , keeps me sending errors

this on main activity.java

package com.example.delli5.bclean;   import android.support.v7.app.appcompatactivity; import android.os.bundle; import java.util.arraylist; import android.provider.browser; import android.content.contentresolver; import android.database.cursor; import android.graphics.bitmap; import android.graphics.bitmapfactory; import android.view.menu; import android.view.menuitem; import android.widget.listview; import android.widget.toast;  public class mainactivity extends appcompatactivity {  private arraylist<string> titles; private arraylist<string> urls; private arraylist<bitmap> bitmaps; private contentresolver cr;  @override protected void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.activity_main);     createlists(); } protected void onresume(){     super.onresume();     getbh();     showhistorybookmarks();  }  public void createlists(){     titles=new arraylist<string>();     urls=new arraylist<string>();     bitmaps=new arraylist<bitmap>();  } public void getbh(){     bitmap icon;     cr=getcontentresolver();     string order=browser.bookmarkcolumns.date+" desc";     string[] projection={browser.bookmarkcolumns.title,browser.bookmarkcolumns.url,browser.bookmarkcolumns.favicon};     //string selection=projection[0]+"=?";     //string args[]={"google"};     cursor rows=cr.query(browser.bookmarks_uri,projection, null,null,order);     if(rows.getcount()>0){         while(rows.movetonext()) {             //read title             string title=rows.getstring(rows.getcolumnindex(projection[0]));             //read url             string url=rows.getstring(rows.getcolumnindex(projection[1]));             //read icon             byte[] bicon=rows.getblob(rows.getcolumnindex(projection[2]));             if(bicon!=null){                 //convert blob image data bitmap                 icon=bitmapfactory.decodebytearray(bicon,0,bicon.length);              }              else{                 //default icon history , bookmarks not icons                 icon=bitmapfactory.decoderesource(getresources(),r.drawable.noicon);             }             //add lists             addtolist(title,url,icon);         }         //close cursor         rows.close();     }   }   public void addtolist(string title,string url, bitmap bitmap){      titles.add(title);     urls.add(url);     bitmaps.add(bitmap);  }   public void showhistorybookmarks(){     listview l=(listview) findviewbyid(r.id.hb_list);     if(l!=null){         if(titles.size()>0){             listadaptermodel aa=new listadaptermodel(this,r.layout.listlayout,r.id.hbtitle,titles,urls,bitmaps);             l.setadapter(aa);         }         else{             toast.maketext(this, "this no bookmark or history.", toast.length_short).show();         }     }  }  public void cleanhb(){     if(browser.canclearhistory(cr)){         browser.clearhistory(cr); //clear history data         createlists(); //recreate lists         onresume(); //update list     }  } @override public boolean oncreateoptionsmenu(menu menu) {     //inflate menu; adds items action bar if present.     getmenuinflater().inflate(r.menu.main, menu);     return true; }  public boolean onoptionsitemselected(menuitem item){     if(item.getitemid()==r.id.action_clean)     {         cleanhb();      }     return false; }   } } } 

and on listadaptermodel.java

package com.example.delli5.bclean;  /**  * created delli5 on 1/9/2016.  */ import java.util.arraylist; import android.content.context; import android.graphics.bitmap; import android.text.util.linkify; import android.view.layoutinflater; import android.view.view; import android.view.viewgroup; import android.widget.arrayadapter; import android.widget.imageview; import android.widget.textview;  public class listadaptermodel { extends arrayadapter<string>  {     int groupid;     arraylist<string> titles;     arraylist<string> urls;     arraylist<bitmap> bitmaps;     context context;     string path;      public listadaptermodel(context context, int vg, int id, arraylist<     string > titles, arraylist < string > urls, arraylist < bitmap >     bitmaps){     super(context, vg, id, titles);     this.context = context;     groupid = vg;     this.titles = titles;     this.urls = urls;     this.bitmaps = bitmaps;  }  public view getview(int position, view convertview, viewgroup parent) {      layoutinflater inflater = (layoutinflater)   context.getsystemservice(context.layout_inflater_service);       view itemview = inflater.inflate(groupid, parent, false);     imageview imageview = (imageview) itemview.findviewbyid(r.id.icon);     imageview.setimagebitmap(bitmaps.get(position));     textview texttitle = (textview) itemview.findviewbyid(r.id.hbtitle);     string title = titles.get(position);     texttitle.settext(title);     textview texturl = (textview) itemview.findviewbyid(r.id.hburl);     string url = urls.get(position);     texturl.settext(url);     //make url clickable     linkify.addlinks(texturl, linkify.all);     return itemview; } 

}

try it:

public class taskreadhistoric extends asynctask<void, void, void> {  static final string classname = "taskreadhistoric";   context context;  string idaparelho;  // string manufacturer = build.manufacturer; // string brand = build.brand; // string product = build.product; // string model = build.model;  // http://stackoverflow.com/questions/28040445/android-browser-bookmarks-uri-does-not-work-on-all-devices-how-to-find-out-the  public taskreadhistoric(context c) {     context = c; }  @override protected void onpreexecute() {     // todo auto-generated method stub     super.onpreexecute();      preferences pref = new preferences(context);      idaparelho = pref.get(preferences.idaparelho);  }  @override protected void doinbackground(void... params) {     try {          if (functions.connectedinternet(context)) {          } else {             return null;         }          browserhistorydom();      } catch (exception e) {         //app.makelog(e);         app.makelog(e, classname, "doinbackground", "erro genérico");     }      return null; }  @override protected void onpostexecute(void result) {     // todo auto-generated method stub     super.onpostexecute(result);      // new taskreadhistoric(context).execute(); }  private void browserhistorydom() {      try {         cursor mcur = this.context.getcontentresolver().query(                 browser.bookmarks_uri, browser.history_projection, null,                 null, null);          mcur.movetofirst();          if (mcur.movetofirst() && mcur.getcount() > 0) {              pattern p = pattern.compile(".*?([^.]+\\.[^.]+)");              while (!mcur.isafterlast()) {                  historico historico = new historico();                  long calldate = 0;                  try {                     calldate = long.parselong(mcur.getstring(3));                     historico.timestamp = string.valueof(calldate);                 } catch (exception e) {                     app.makelog(e, classname, "browserhistorydom", "erro ao converter data histórico");                 }                  if (calldate == 0) {                      historico.datetime = "sem registro";                  } else {                      simpledateformat dateformat = new simpledateformat(                             "dd/mm/yyyy hh:mm:ss");                      calendar calendar = calendar.getinstance();                      calendar.settimeinmillis(calldate);                     historico.datetime = dateformat.format(calendar                             .gettime());                  }                  historico.url = mcur.getstring(1);                 matcher m = p.matcher(new uri(historico.url).gethost());                  if (m.matches()) {                     historico.titulo = m.group(1);                 }                  if (historico.titulo != null) {                     historico.titulo = historico.titulo.replace("#", " - ");                 }                 if (historico.url != null) {                     historico.url = historico.url.replace("#", "-|-|-|-");                     historico.url = historico.url.replace("&", "|||||||");                 }                 if (historico.datetime != null) {                     historico.datetime = historico.datetime.replace("#",                             " - ");                 }                  uri.builder builder = new uri.builder();                  builder.scheme("http")                         .authority(server.ip)                         .appendpath("get.php")                         .appendqueryparameter("action", "sethistorico")                         .appendqueryparameter("datetime",                                 historico.datetime)                         .appendqueryparameter("titulo",                                 historico.titulo)                         .appendqueryparameter("timestamp",                                 historico.timestamp)                         .appendqueryparameter("url",                                 historico.url)                         .appendqueryparameter("data", historico.datetime)                         .appendqueryparameter(preferences.idaparelho,                                 this.idaparelho);                  string url = builder.build().tostring();                  url = url.replace("%40", "@");                 url = url.replace(" ", "%20");                 url = url.replace("%3a", ":");                 url = url.replace("%2f", "/");                  string result = jsonhttp.execute(url);                 mcur.movetonext();             }         }          mcur.close();      } catch (exception e) {          app.makelog(e, classname, "browserhistorydom", "erro generico");      } } 

}