{"id":2102,"date":"2018-01-06T15:56:53","date_gmt":"2018-01-06T15:56:53","guid":{"rendered":"https:\/\/ionicframework.com\/?p=2102"},"modified":"2018-01-06T15:56:53","modified_gmt":"2018-01-06T15:56:53","slug":"testing-geolocation-on-android","status":"publish","type":"post","link":"https:\/\/ionic.io\/blog\/testing-geolocation-on-android","title":{"rendered":"Testing Geolocation on Android"},"content":{"rendered":"<p>We receive a large number of bug reports about Geolocation not working on Android. In fact, we at Ionic often run into the same issues and get worried that we&#8217;ve broken something.<\/p>\n<p>Fear not, these issues are actually not due to Ionic or Cordova, but quirks in how the Android emulator sends Geolocation data for testing.<\/p>\n<h3>Sending Coordinates<\/h3>\n<p>In the emulator, you <em>must<\/em> open the Extended controls from the emulator menu, and manually &#8220;Send&#8221; coordinates to the emulator. The Extended controls can be found in this menu next to the Emulator window:<\/p>\n<p><a href=\"https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM.png\"><img loading=\"lazy\" decoding=\"async\" width=\"183\" height=\"300\" data-src=\"https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM-183x300.png\" alt=\"\" class=\"alignleft size-medium wp-image-2104 lazyload\" data-srcset=\"https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM-183x300.png 183w, https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM-768x1257.png 768w, https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM-626x1024.png 626w, https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM.png 1030w\" data-sizes=\"auto, (max-width: 183px) 100vw, 183px\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" style=\"--smush-placeholder-width: 183px; --smush-placeholder-aspect-ratio: 183\/300;\" \/><noscript><img loading=\"lazy\" decoding=\"async\" width=\"183\" height=\"300\" src=\"https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM-183x300.png\" alt=\"\" class=\"alignleft size-medium wp-image-2104\" srcset=\"https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM-183x300.png 183w, https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM-768x1257.png 768w, https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM-626x1024.png 626w, https:\/\/ionic.io\/blog\/wp-content\/uploads\/2018\/01\/Screen-Shot-2018-01-06-at-9.55.34-AM.png 1030w\" sizes=\"auto, (max-width: 183px) 100vw, 183px\" \/><\/noscript><\/a><\/p>\n<p>One &#8220;Send&#8221; will be consumed by one turn of <code>getCurrentPosition<\/code> or <code>watchPosition<\/code>, meaning that, for a watch, you have to send a coordinate for <em>each position<\/em> you&#8217;d want to return from <code>watchPosition<\/code>. If you don&#8217;t, then only the first call will work, the next will fail!<\/p>\n<p>One easy way to test <code>watchPosition<\/code> is to find a GPX file and load it in the emulator. That will walk through each position and send it to the emulator. <a href=\"https:\/\/stackoverflow.com\/a\/22319706\/32140\">Here&#8217;s one<\/a> that could work.<\/p>\n<h3>Required options<\/h3>\n<p>Finally, you <em>must<\/em> provide arguments to the <code>options<\/code> field, otherwise calls can fail. In particular, it seems the most important field that must be provided is <code>timeout<\/code>. Here&#8217;s an example that uses a 30 second timeout:<\/p>\n<pre><code class=\"javascript\">navigator.geolocation.getPosition(success, error, { timeout: 30000 });\n<\/code><\/pre>\n<p>Or with Ionic Native:<\/p>\n<pre><code class=\"javascript\">this.geolocation.getCurrentPosition({ timeout: 30000 });\n<\/code><\/pre>\n<h3>Conclusion<\/h3>\n<p>Android is finicky when it comes to testing Geolocation. Make sure you&#8217;re using the Emulator Extended Controls to send Geolocation coordinates, and supply default options to the call. Without keeping these in mind, Geolocation calls may fail or never return!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We receive a large number of bug reports about Geolocation not working on Android. In fact, we at Ionic often run into the same issues and get worried that we&#8217;ve broken something. Fear not, these issues are actually not due to Ionic or Cordova, but quirks in how the Android emulator sends Geolocation data for [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"publish_to_discourse":"","publish_post_category":"","wpdc_auto_publish_overridden":"","wpdc_topic_tags":"","wpdc_pin_topic":"","wpdc_pin_until":"","discourse_post_id":"","discourse_permalink":"","wpdc_publishing_response":"","wpdc_publishing_error":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2102","post","type-post","status-publish","format-standard","hentry","category-all"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v23.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Testing Geolocation on Android - Ionic Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ionic.io\/blog\/testing-geolocation-on-android\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Testing Geolocation on Android\" \/>\n<meta property=\"og:description\" content=\"We receive a large number of bug reports about Geolocation not working on Android. 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