android - How to Get Last Known Location in Fragment Class? -


i want create location-aware app , followed various tutorials on youtube. stumbled upon getting last known location tutorial google seems it's activity class. can't find tutorials uses fragment class.

i want show marker on current location when fragment view created.

here's code:

import android.content.pm.packagemanager; import android.os.bundle; import android.support.annotation.nullable; import android.support.v4.app.fragment; import android.support.v4.content.contextcompat; import android.view.layoutinflater; import android.view.view; import android.view.viewgroup; import android.widget.toast;  import com.google.android.gms.maps.googlemap; import com.google.android.gms.maps.mapview; import com.google.android.gms.maps.onmapreadycallback; import com.google.android.gms.maps.model.latlng; import com.google.android.gms.maps.model.markeroptions; import com.tugboat.tugboat.r;  public class mapfragment extends fragment implements onmapreadycallback { private mapview mapview; private googlemap googlemap;  @nullable @override public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) {     return inflater.inflate(r.layout.fragment_map,container,false); }   @override public void onviewcreated(view view, @nullable bundle savedinstancestate) {     super.onviewcreated(view, savedinstancestate);      mapview = (mapview) view.findviewbyid(r.id.map);     mapview.oncreate(savedinstancestate);     mapview.onresume();     mapview.getmapasync(this);//when implement onmapreadycallback in fragment }  public void onresume() {     super.onresume();     mapview.onresume(); }  @override public void onpause() {     mapview.onpause();     super.onpause(); }  @override public void ondestroy() {     mapview.ondestroy();     super.ondestroy(); }  @override public void onlowmemory() {     super.onlowmemory();     mapview.onlowmemory(); }  @override public void onsaveinstancestate(bundle outstate) {     super.onsaveinstancestate(outstate);     mapview.onsaveinstancestate(outstate); }  @override public void onmapready(googlemap map) {     googlemap = map;      if (contextcompat.checkselfpermission(getactivity(), android.manifest.permission.access_fine_location)             == packagemanager.permission_granted) {         googlemap.setmylocationenabled(true);         map.addmarker(new markeroptions().position(new latlng(0, 0)).title("marker"));     } else {         toast.maketext(getactivity(), "you have accept enjoy app's services!", toast.length_long).show();         if (contextcompat.checkselfpermission(getactivity(), android.manifest.permission.access_fine_location)                 == packagemanager.permission_granted) {             googlemap.setmylocationenabled(true);             map.addmarker(new markeroptions().position(new latlng(0, 0)).title("marker"));         }     } } }


Comments

Post a Comment

Popular posts from this blog

jOOQ update returning clause with Oracle -

according http://www.jooq.org/doc/3.8/manual/sql-building/sql-statements/update-statement/ jooq doesn't support returning clause in update statements databases except firebird , postgres. does know, still correct oracle jooq? according oracle's documentation, oracle db supports returning clase delete, insert, or update statements. incorrect manual you're right - manual wrong , should fixed: https://github.com/jooq/jooq/issues/5470 single row update returning jooq 3.8 added support single row update .. returning statements. internally, uses callablestatement , pl/sql block of form: begin update "my_table" set "my_table"."column" = 'xyz' "my_table"."id" = 1 returning "my_table"."id", "my_table"."column" ?, ?; ? := sql%rowcount; end; the relevant issue is: https://github.com/jooq/jooq/issues/5190 multi row update returning a...
Read more

java - Warning equals/hashCode on @Data annotation lombok with inheritance -

i have entity inherits other. on other hand, i'm using lombok project reduce boilerplate code, put @data annotation. annotation @data inheritance produces next warning: generating equals/hashcode implementation without call superclass, though class not extend java.lang.object. if intentional, add '@equalsandhashcode(callsuper=false)' type. is advisable add annotation @equalsandhashcode (callsuper = true) or @equalsandhashcode (callsuper = false) ? if not added, 1 callsuper=false or callsuper=true ? the default value false . 1 if don't specify , ignore warning. yes, recommended add @equalsandhashcode annotation on @data annotated classes extend else object. cannot tell if need true or false , depends on class hierarchy, , need examined on case-by-case basis. however, project or package, can configure in lombok.config call super methods if not direct subclass of object. lombok.equalsandhashcode.callsuper = call for configuration system ...
Read more

java - BasicPathUsageException: Cannot join to attribute of basic type -

i using java 8 jpa (hibernate 5.2.1). have clause works perfectly, until introduce clause make use foreign key table values too. i getting following error: basicpathusageexception: cannot join attribute of basic type i think problem related fact have join table, , not sure how create join using join table. employee - employee_category - category model (employee.java): @manytomany(cascade = cascadetype.all, fetch=fetchtype.eager) @jointable ( name="employee_category", joincolumns={ @joincolumn(name="emp_id", referencedcolumnname="id") }, inversejoincolumns={ @joincolumn(name="cat_id", referencedcolumnname="id") } ) private set<category> categories; model (category.java): @id private string id; jpa when introduce following code, fails error above (i think problem new piece of code): join<t, category> category = from.join("id"); predicates.add(criteriabuilder.like(category....
Read more