{"id":28604,"date":"2013-06-27T14:31:08","date_gmt":"2013-06-27T09:01:08","guid":{"rendered":"http:\/\/vskills.in\/certification\/tutorial\/?p=28604"},"modified":"2024-04-12T14:16:13","modified_gmt":"2024-04-12T08:46:13","slug":"location-based-service-2","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/location-based-service-2\/","title":{"rendered":"Location based service"},"content":{"rendered":"<p><a class=\"vsc\" href=\"http:\/\/www.vskills.in\/certification\/Certified Blackberry Apps Developer\"><span class=\"vsc-cn\" style=\"text-align: center;\"><span style=\"color: red;\">Certify and Increase Opportunity.<\/span><br \/>\n<span style=\"color: green;\">Be <\/span><br \/>\nGovt. Certified Blackberry Apps Developer<br \/>\n<\/span><\/a><\/p>\n<p>Location based<strong> service<\/strong><\/p>\n<p>You can use the packages in the LBS API to:<\/p>\n<ul id=\"_doneul_22FF7076429E41DEB9477CA0E6CF9B8A13389109506795\">\n<li id=\"_doneli_47D3187A8A0241888E46F8411013012D13389109505056\">Find a location<\/li>\n<li id=\"_doneli_1F03717A956A4C099842E9AA0985C86613389109501343\">Display information in a map<\/li>\n<li id=\"_doneli_8E558A2833454527995CF2824797E1E913389109505925\">Estimate the time and distance of a trip<\/li>\n<li id=\"_doneli_4D3B0022F17F474B86A010466ACF039613389109506880\">Perform geofencing (mark an area to monitor so that you fire events when someone enters the area)<\/li>\n<\/ul>\n<div id=\"_donesection_A0093AF23CB94704A6F530FCE8A929F513389109509806\">\n<h2>Finding a location<\/h2>\n<p>You can retrieve location information for a\u00a0BlackBerry\u00a0smartphone by using one of the following services:<\/p>\n<ul id=\"_doneul_E5BB5B9777C049A3B5AA5EE844571CC913389109508962\">\n<li id=\"_doneli_582A113DD80C4B3FA89DB8C9E5A7ECBC13389109506769\"><strong>GPS<\/strong>: Provides location information using GPS satellites. You can retrieve GPS location information using the\u00a0JSR 179\u00a0Location API in the\u00a0javax.microedition.location\u00a0package or the BlackBerry extensions to JSR 179 in the\u00a0net.rim.device.api.gps\u00a0package.<\/li>\n<li id=\"_doneli_97C872E0DB234A92BCC551688C45E85A13389109505294\"><strong>Geolocation<\/strong>: Provides location information using cell tower positioning and WLAN access points. You do not require GPS technology on the smartphone to use the geolocation service. Geolocation is useful for applications that require an approximate location and that can be used indoors (for example, applications that recommend local points of interest). You can retrieve geolocation using the\u00a0net.rim.device.api.gps\u00a0package.<\/li>\n<li id=\"_doneli_F5AA691267C041FDA6E1FCEEE02165EC13389109505574\"><strong>Geocoding and reverse geocoding<\/strong>: Provides geospatial coordinates for a street address (geocoding), and provides a street address for geospatial coordinates (reverse geocoding).<\/li>\n<\/ul>\n<\/div>\n<div id=\"_donesection_E55F2C1D26144C68B47CAB26501B88BA13389109507086\">\n<h2>Displaying information in a map<\/h2>\n<p>After you retrieve the location for a\u00a0BlackBerry\u00a0smartphone, you can display the location information inBlackBerry Maps\u00a0or custom maps.<\/p>\n<p>BlackBerry Maps\u00a0is a map and location application that can display a map, the location of theBlackBerry\u00a0smartphone, a route from a starting location to a specific ending location, and points of interest on a map.<\/p>\n<p>To create custom maps, you can add a MapField or RichMapField object to a screen, just as you add other UI components. Once you have a custom map, you can use it in any of the following ways:<\/p>\n<p><a ref=\"magnificPopup\" href=\"http:\/\/vskills.in\/certification\/tutorial\/wp-content\/uploads\/2013\/06\/blackberry-gps11.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-28805 alignleft\" src=\"http:\/\/vskills.in\/certification\/tutorial\/wp-content\/uploads\/2013\/06\/blackberry-gps11-183x300.jpg\" alt=\"blackberry-gps11\" width=\"183\" height=\"300\" srcset=\"https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2013\/06\/blackberry-gps11-183x300.jpg 183w, https:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2013\/06\/blackberry-gps11.jpg 329w\" sizes=\"auto, (max-width: 183px) 100vw, 183px\" \/><\/a><\/p>\n<ul id=\"_doneul_77468ADF621A4BE2899DE8A9FEC755CA1338910950745\">\n<li id=\"_doneli_23104587FE39420798C074999E35C23B13389109504431\">Specify locations on the map<\/li>\n<li id=\"_doneli_A23560AC9A11426B82AD9C99769E05C713389109506627\">Control the behavior of the map<\/li>\n<li id=\"_doneli_26891A83305746FF8F3D89943BBCCEED13389109503557\">Create custom shapes and objects, and display them<\/li>\n<li id=\"_doneli_D6EC08954C6E493FAECB4510AF6CD99213389109507382\">Display mappable objects that can be updated dynamically as information changes<\/li>\n<li id=\"_doneli_41C96C5522FE428AA2D38E186D030C1713389109501551\">Add fields and overlays to the map<\/li>\n<li id=\"_doneli_AD746164ADC047BA816C713A37DCE57913389109508648\">Customize the look and feel of the map<\/li>\n<\/ul>\n<div>\n<p>Your application can interact with\u00a0BlackBerry Maps\u00a0in the following ways:<\/p>\n<ul id=\"_doneul_447299DD8FC34D598E1DB5956BDCF71613389109503933\">\n<li id=\"_doneli_07FCE323DCBF45D9B6460CE1A3E99C5813389109507195\">Invoke\u00a0BlackBerry Maps\u00a0from your application using the\u00a0Invoke.invokeApplication()\u00a0method withMapsArguments\u00a0parameters. You can display the following:\n<ul id=\"_doneul_4C7C2AAC4A484B5599C88002B7DBE6FE13389109508532\">\n<li id=\"_doneli_C4538E24B1DB49B49CF019EAAFC450061338910950737\">a location for an address in the Contacts application<\/li>\n<li id=\"_doneli_19EB6C5170134928A6EB43B000154F6B13389109501716\">a location for a landmark<\/li>\n<li id=\"_doneli_8004B667C5BD431E8499C1429086CDC713389109502258\">a location at specific coordinates<\/li>\n<li id=\"_doneli_BF625E1D481E41B89064DBBDF2B0DACF13389109506398\">a location or route by using a location document<\/li>\n<li id=\"_doneli_77227271F9A8407FB914F8B14704C3A113389109503067\">a locations by using local search information<\/li>\n<li id=\"_doneli_FD0AB5D4711841698C41FC7B356E6D9D13389109501646\">a KML overlay<\/li>\n<\/ul>\n<\/li>\n<li id=\"_doneli_3722608D9DB34F89817DE9F3A5CF4D6C13389109507582\">Open\u00a0BlackBerry Maps\u00a0from the\u00a0BlackBerry Browser.<\/li>\n<\/ul>\n<\/div>\n<p>You can create a location picker dialog box that allows a user to choose a location from a list of available selections that you define. You can define the location picker dialog box with the Location Picker API, which is provided in the\u00a0net.rim.device.api.lbs.picker\u00a0package. The location is passed using a\u00a0javax.microedition.location.Landmark\u00a0object.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Certify and Increase Opportunity. Be Govt. Certified Blackberry Apps Developer Location based service You can use the packages in the LBS API to: Find a location Display information in a map Estimate the time and distance of a trip Perform geofencing (mark an area to monitor so that you fire events when someone enters the&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[3346],"tags":[4376],"class_list":["post-28604","page","type-page","status-publish","hentry","category-blackberry-apps","tag-location-based-service"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Location based service - Tutorial<\/title>\n<meta name=\"description\" content=\"Location based service. Government of India Certification in Blackberry Apps Development. 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