gps - How to get lattitude and longitude in android -
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hello stack overflowers,
i want lattitude , longitude in application.
i using below snippet doing job. alert dialog box , when tick mark "use gps satellites" option. don't output if nothing happening. gps being turned on.
could guyz please me correcting below snippet.
sorry inconvenience caused guyz :(
and answering previous questions. :d
cheers!
this java file writing functions related getting locations etc etc
gpstracker.java
package com.iot.mymumbaimetro; import android.app.alertdialog; import android.app.service; import android.content.context; import android.content.dialoginterface; import android.content.intent; import android.location.location; import android.location.locationlistener; import android.location.locationmanager; import android.os.bundle; import android.os.ibinder; import android.provider.settings; import android.util.log; public class gpstracker extends service implements locationlistener { private final context mcontext; // flag gps status boolean isgpsenabled = false; // flag network status boolean isnetworkenabled = false; // flag gps status boolean cangetlocation = false; location location; // location double latitude; // latitude double longitude; // longitude // minimum distance change updates in meters private static final long min_distance_change_for_updates = 10; // 10 meters // minimum time between updates in milliseconds private static final long min_time_bw_updates = 1000 * 60 * 1; // 1 minute // declaring location manager protected locationmanager locationmanager; public gpstracker(context context) { this.mcontext = context; getlocation(); } public location getlocation() { try { locationmanager = (locationmanager) mcontext .getsystemservice(location_service); // getting gps status isgpsenabled = locationmanager .isproviderenabled(locationmanager.gps_provider); // getting network status isnetworkenabled = locationmanager .isproviderenabled(locationmanager.network_provider); if (!isgpsenabled && !isnetworkenabled) { // no network provider enabled } else { this.cangetlocation = true; // first location network provider if (isnetworkenabled) { locationmanager.requestlocationupdates( locationmanager.network_provider, min_time_bw_updates, min_distance_change_for_updates, this); log.d("network", "network"); if (locationmanager != null) { location = locationmanager .getlastknownlocation(locationmanager.network_provider); if (location != null) { latitude = location.getlatitude(); longitude = location.getlongitude(); } } } // if gps enabled lat/long using gps services if (isgpsenabled) { if (location == null) { locationmanager.requestlocationupdates( locationmanager.gps_provider, min_time_bw_updates, min_distance_change_for_updates, this); log.d("gps enabled", "gps enabled"); if (locationmanager != null) { location = locationmanager .getlastknownlocation(locationmanager.gps_provider); if (location != null) { latitude = location.getlatitude(); longitude = location.getlongitude(); } } } } } } catch (exception e) { e.printstacktrace(); } return location; } /** * stop using gps listener * calling function stop using gps in app * */ public void stopusinggps(){ if(locationmanager != null){ locationmanager.removeupdates(gpstracker.this); } } /** * function latitude * */ public double getlatitude(){ if(location != null){ latitude = location.getlatitude(); } // return latitude return latitude; } /** * function longitude * */ public double getlongitude(){ if(location != null){ longitude = location.getlongitude(); } // return longitude return longitude; } /** * function check gps/wifi enabled * @return boolean * */ public boolean cangetlocation() { return this.cangetlocation; } /** * function show settings alert dialog * on pressing settings button lauch settings options * */ public void showsettingsalert(){ alertdialog.builder alertdialog = new alertdialog.builder(mcontext); // setting dialog title alertdialog.settitle("gps settings"); // setting dialog message alertdialog.setmessage("gps not enabled. want go settings menu?"); // on pressing settings button alertdialog.setpositivebutton("settings", new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialog,int which) { intent intent = new intent(settings.action_location_source_settings); mcontext.startactivity(intent); } }); // on pressing cancel button alertdialog.setnegativebutton("cancel", new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialog, int which) { dialog.cancel(); } }); // showing alert message alertdialog.show(); } @override public void onlocationchanged(location location) { } @override public void onproviderdisabled(string provider) { } @override public void onproviderenabled(string provider) { } @override public void onstatuschanged(string provider, int status, bundle extras) { } @override public ibinder onbind(intent arg0) { return null; } } below activity .java file getting current location :
trackmyroute.java
package com.iot.mymumbaimetro; import android.app.activity; import android.content.context; import android.graphics.bitmap; import android.graphics.bitmapfactory; import android.graphics.drawable.bitmapdrawable; import android.location.criteria; import android.location.location; import android.location.locationlistener; import android.location.locationmanager; import android.os.bundle; import android.widget.textview; import android.widget.toast; public class trackmyroute extends activity{ protected locationmanager locationmanager; protected locationlistener locationlistener; protected context context; textview txtlat; string lat; string provider; protected string latitude,longitude; protected boolean gps_enabled,network_enabled; @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.track_my_route); /*set background of action bar drawable*/ bitmap bmap = bitmapfactory.decoderesource(getresources(), r.drawable.red_bg); bitmapdrawable actionbarbackground = new bitmapdrawable(getresources(), bmap); getactionbar().setbackgrounddrawable(actionbarbackground); gpstracker gps=new gpstracker(trackmyroute.this); //check if gps enabled if(gps.cangetlocation()){ double latitude = gps.getlatitude(); double longitude = gps.getlongitude(); // \n new line toast.maketext(getapplicationcontext(), "your location - \nlat: " + latitude + "\nlong: " + longitude, toast.length_long).show(); }else{ // can't location // gps or network not enabled // ask user enable gps/network in settings gps.showsettingsalert(); } } }
do way.it show dialog if gps disabled , ask user enable it. press "yes" take user setting screen enable gps.
public void checkgpsenabled(){ final locationmanager manager = (locationmanager) getsystemservice( context.location_service ); if ( !manager.isproviderenabled( locationmanager.gps_provider ) ) { buildalertmessagenogps(); } } private void buildalertmessagenogps() { final alertdialog.builder builder = new alertdialog.builder(this); builder.setmessage("your gps disabled, please enable it?") .setcancelable(false) .setpositivebutton("yes", new dialoginterface.onclicklistener() { public void onclick(final dialoginterface dialog,final int id) { startactivity(new intent(android.provider.settings.action_location_source_settings)); } }) .setnegativebutton("no", new dialoginterface.onclicklistener() { public void onclick(final dialoginterface dialog, final int id) { dialog.cancel(); } }); final alertdialog alert = builder.create(); alert.show(); } complete guide example current location here
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