java - OnClickListener fails to work -


whenever run tour guide app attempt start activity through onclicklistener crashes instead. else appears fine other though have onclicklistener imported mainactivity, claimed import unused. how possible? added null in different file of app.

    package com.example.android.tourgreenbay;  import android.content.intent; import android.support.v7.app.appcompatactivity; import android.os.bundle; import android.view.view; import android.widget.textview; import android.view.view.onclicklistener;  public class mainactivity extends appcompatactivity {      @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_main);          textview historical = (textview) findviewbyid(r.id.historical);          historical.setonclicklistener(new view.onclicklistener() {             @override             public void onclick(view view) {                 intent historicalintent = new intent(mainactivity.this, historicalactivity.class);                  startactivity(historicalintent);             }         });     } }   package com.example.android.tourgreenbay;  import android.content.context; import android.support.v4.content.contextcompat; import android.view.layoutinflater; import android.view.view; import android.view.viewgroup; import android.widget.arrayadapter; import android.widget.imageview; import android.widget.textview;  import java.util.arraylist;   /**  * created darkwolf on 8/20/17.  */  public class sitesadapter extends arrayadapter<sites> {      private int mcolorresourceid;       public sitesadapter(context context, arraylist<sites> sites, int colorresourceid) {         super(context, 0, sites);         mcolorresourceid = colorresourceid;     }      public view getview(int position, view convertview, viewgroup parent) {         view listitemview = convertview;         if(listitemview == null) {             listitemview = layoutinflater.from(getcontext()).inflate(                     r.layout.list_item, parent, false);         }          sites currentsites = getitem(position);          textview sitestextview = (textview) listitemview.findviewbyid(r.id.sites);          sitestextview.settext(currentsites.getsiteslocale());          textview addressestextview = (textview) listitemview.findviewbyid(r.id.addresses);          addressestextview.settext(currentsites.getaddresses());          imageview imageview = (imageview) listitemview.findviewbyid(r.id.image);          if(currentsites.hasimage()) {              imageview.setimageresource(currentsites.getimageresourceid());              imageview.setvisibility(view.visible);          } else {             imageview.setvisibility(view.gone);         }          view textcontainer = listitemview.findviewbyid(r.id.text_container);          int color = contextcompat.getcolor(getcontext(), mcolorresourceid);          textcontainer.setbackgroundcolor(color);          return listitemview;     }   }


Comments

Post a Comment

Popular posts from this blog

ubuntu - PHP script to find files of certain extensions in a directory, returns populated array when run in browser, but empty array when run from terminal -

i running os ububtu 16.04. ultimate goal able run php script cron job every minute. here php script located @ /var/www/html/tests/test/index.php : <?php $directorypath = $_server['document_root']."/tests/test/data/"; echo "directorypath: $directorypath<br><br>";//check $imagefilepathsarray = glob($directorypath . "*.{png,gif}", glob_brace); echo "<br><br>imagefilepathsarray: "; print_r($imagefilepathsarray);//check ?> when open php script in browser visiting url my-ip-address/tests/test/index.php , get: directorypath: /var/www/html/tests/test/data/ imagefilepathsarray:array( [0] => /var/www/html/tests/test/data/pic.png [1] => /var/www/html/tests/test/data/pic.gif ) before writing cron job in crontab file, need check if can run anywhere using terminal . opened ubuntu terminal @ /home/ location, , executed in terminal: sudo php /var/www/html/tests/test/index.php i got following out...
Read more

php - How can i create a user dashboard -

today have questions you, want create user dashboard site, include (obviously), users data, example -email -username -and others stuff how can information, , print them in html page? if can, how can these information via php sessions? shuld use session? example, if user login, , start new session ( session_start() ), how can data print in dashboard? should use php "project"? in advice, have day , thank time!
Read more

javascript - How to detect toggling of the fullscreen-toolbar in jQuery Mobile? -

i have jquery mobile page fixed full-screen toolbar, data-tap-toggle enabled. straight under toolbar have positioned banner should slide upwards when toolbar hiding , slide downward when toolbar showing. jquery mobile toggles toolbar applying , removing ui-fixed-hidden class - sadly, can't find in documentation of toolbar widget toggle , hide or show event that. how can detect when toolbar toggled, reposition banner? .banner { position: fixed; background-color: darkseagreen; top: 46px; min-height: 48px; width: 100%; text-align: center; line-height: 48px; } <!doctype html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"> <link rel="stylesheet" href="https://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.css"> <script src="https://code.jquery.com/jquery-1....
Read more