java - How to store the list of installed Android applications into an ArrayList? -


i got list of installed applications , want put them arraylist(for filtering purposes) organized in way - appname, packagename, icon.

the closest reference can find don't understand how implement / (use class , methods) code. can me this? in advance.

class pinfo {     private string appname = "";     private string pname = "";     private string versionname = "";     private int versioncode = 0;     private drawable icon;     private void prettyprint() {         log.v(appname + "\t" + pname + "\t" + versionname + "\t" + versioncode);     } }  private arraylist<pinfo> getpackages() {     arraylist<pinfo> apps = getinstalledapps(false); /* false = no system     packages */     final int max = apps.size();     (int i=0; i<max; i++) {         apps.get(i).prettyprint();     }     return apps; }  private arraylist<pinfo> getinstalledapps(boolean getsyspackages) {     arraylist<pinfo> res = new arraylist<pinfo>();             list<packageinfo> packs = getpackagemanager().getinstalledpackages(0);     for(int i=0;i<packs.size();i++) {         packageinfo p = packs.get(i);         if ((!getsyspackages) && (p.versionname == null)) {             continue ;         }          pinfo newinfo = new pinfo();         newinfo.appname = p.applicationinfo.loadlabel(getpackagemanager()).tostring();         newinfo.pname = p.packagename;         newinfo.versionname = p.versionname;         newinfo.versioncode = p.versioncode;         newinfo.icon = p.applicationinfo.loadicon(getpackagemanager());         res.add(newinfo);     }     return res;  }

here code working on.

public class appadapter extends arrayadapter<applicationinfo>{  private list<applicationinfo> applist = null; private context context; private packagemanager packagemanager;  public appadapter(context context, int resource, list<applicationinfo> objects){     super(context, resource,objects);      this.context = context;     this.applist= objects;     packagemanager= context.getpackagemanager(); }  public view getview(int position, view convertview, viewgroup parent){     view view = convertview;     if(null == view){         layoutinflater layoutinflater = (layoutinflater) context.getsystemservice(context.layout_inflater_service);         view = layoutinflater.inflate(r.layout.activity_list_app,null);     }      applicationinfo data = applist.get(position);      if(null != data){         textview appname = (textview) view.findviewbyid(r.id.app_name);         textview packagename = (textview) view.findviewbyid(r.id.app_package);         imageview iconview = (imageview) view.findviewbyid(r.id.app_icon);          appname.settext(data.loadlabel(packagemanager));         packagename.settext(data.packagename);         iconview.setimagedrawable(data.loadicon(packagemanager));     }     return view; }  public int getcount(){     return((null != applist) ? applist.size() : 0); } public applicationinfo getitem(int position){     return((null != applist) ? applist.get(position): null); } public long getitemid(int position) {     return position; } }


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