How to get current location in ionic 4

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How to get current location in ionic 4

In this tutorial we integrate Google mapsgeolocation and placesthree of the most important features when we talk about location based apps, into one functional and easy to understand example so you can master the concepts behind location based apps. Learn everything about maps in ionic here! Note: This post is for Ionic 3 or 3. Google Maps and ionic mobile apps are a perfect match. We will explore how to apply place recommendations and suggestions using Google Places API, with its up-to-date information about millions of locations.

We are going to initialize the map in a random place, using latitude and longitude coordinates, and setting a defoult zoom. Setting the map full width and height, while removing some controls from the map, makes it look much more clean and simple.

With the following code are going to add a search bar where user can start typing a place and we will show him with the Google search recomendations.

The updateSearchResults method is triggered everytime the user types something on the searchbar. We will use a list for the autocomplete suggestions which we named: autocompleteItemsan input which will be the input typed by the user, which we named: autocomplete and an instance of the GoogleAutocomplete service.

As mentioned before, everytime the searchbar input is updated we will trigger updateSearchResults method. In this method we will make a request to Google Autocomplete service and ask for Places predictions based on the input typed.

Please note that we fill our autocompleteItems list with the results inside a Zone because we want to tell Angular to perform change detection and display the new results quickly. Try doing it without Zones and you will note the difference. If the word Zones is new for you, you should check this post: Using Zones in Angular for better performance.

To display the prediction results we will use a very simple list:. The code belows shows how to center the map and show a pin or marker on the selected place. As we can see, when we click in a result from the autocomplete list we trigger selectSearchResult item method. Please note that we have initialized the geocoder and the markers list in the contructor. The Geocoder is an item from the google maps library that let us search by place id and markers list contains the information of the marked or pinned places.

how to get current location in ionic 4

In order to access the user current location we are going to use Geolocation Crodova Plugin. You need to install it, as explained in the Set Up section. To go the extra mile in this tutorial we added another tab with Nearby Restaurants, this means that when the user selects a place in the autocomple list, instead of showing him a map with a pin, we will show a list of the restaurants in a radius of meters.If you want to accept a user supplied location in your application, and you want it to be in any kind of remotely useful format, it could be quite hard to do.

If you wanted to display that address on a map, it would be difficult to do by going off of a user supplied address.

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It would be much easier if you had the latitude and longitude of that address, but I suspect there are very few people on the planet that know that Uluru is at It gives us the best of both worlds in that we can allow users to input an address easily, but we can also store the location in a more developer friendly format. In this tutorial, we are going to walk through how to build a location selection page in Ionic using the Google Places API.

The user will be able to start typing an address and as they do the Google Places API will suggest a list of possible places. Upon selecting a particular place, we will set that place on a Google Map, and we will also be given the latitudelongitudeand name for the place that was selected. Before you go through this tutorial, you should have at least a basic understanding of Ionic concepts.

You must also already have Ionic set up on your machine. If you want a much more detailed guide for learning Ionic, then take a look at Building Mobile Apps with Ionic. Once that has finished generating, you should make it your working directory by running the following command:. We are going to create our LocationSelect page as an independent modal that can be popped up in your application wherever you require it.

When the modal is dismissed it will pass back the location information to whatever page called it. We will implement these in just a moment. We are also going to need to install a couple of Cordova plugins, and we will be using the Ionic Native packages to help use those. Run the following commands to install the Network and Geolocation plugins:. In order for the Google Maps functionality to work well with TypeScript, you will need to run the following command:.

If you do not install the types for Google Maps, you will get errors that complain about not knowing what google is. Finally, we are going to need to set up these providers and plugins in our app.

Location Select Page with Google Maps and Ionic

We will be loading in Google Maps dynamically so that in the case that the user is not currently online when launching the application, or that they go offline when using the application, the app will continue to function as expected. If you would like to read in more detail about exactly what is happening with the following steps I would recommend reading Creating an Advanced Google Map Component in Ionic.

We will mostly just be copying and pasting for these initial steps. If you do not have one or do not know how to create one, you should read this. Although the code above is mostly unchanged from the tutorial I link, there is one important change and that is:. Now that we have our dependencies set up, we can move on to creating the LocationSelect page itself. We will start off by implementing the template because I think it will help give context to the functionality we will add in the TypeScript file.

Details on how this works is available in the advanced Google Maps tutorial that I linked above. The content area is just a normal map, the interesting stuff in terms of this tutorial happens in the header. As well as having some buttons to dismiss the modal, we also have an additional toolbar in the header area. This contains a search bar that will define the query that is used with the Google Places API to predict some locations.

We then also have a list that will display the results of those predictions and give the user the ability to select one of those. A touchstart event binding is used for the places that will display in the list because if a click event is used it would require the user to tap twice to select a place once to remove focus from the search bar, another to trigger a click on a particular place.

The downside of this is that this will only work on devices, or through something like the Chrome DevTools mobile emulator so that touch events are triggered rather than mouse events.

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In order to get everything in the template displaying correctly, we will also need to add a few styles. There is a bit going on here, but if we step through it function by function it is all reasonably straightforward. In the ionViewDidLoad function we initialise the Google Maps as usual again, this is covered in the other Google Maps tutorialbut we also do something a little different.

Once the map has initialised, we create new instances of an AutocompleteService and a PlacesService. Both of these come from the Google Maps Places API, and will allow us to get a list of predictions for a partial address and also grab details about a specific address like the latitude and longitude.Improve this doc. This plugin provides information about the device's location, such as latitude and longitude. The geolocation options. A double representing the accuracy of the latitude and longitude properties, expressed in meters.

A double representing the position's altitude in metres, relative to sea level. This value can be null if the implementation cannot provide the data. A double representing the direction in which the device is traveling. This value, specified in degrees, indicates how far off from heading true north the device is.

If speed is 0, heading is NaN. If the device is unable to provide heading information, this value is null.

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Is a positive long value indicating the maximum age in milliseconds of a possible cached position that is acceptable to return.

If set to 0, it means that the device cannot use a cached position and must attempt to retrieve the real current position. If set to Infinity the device must return a cached position regardless of its age.

Default: 0. Is a positive long value representing the maximum length of time in milliseconds the device is allowed to take in order to return a position.

The default value is Infinity, meaning that getCurrentPosition won't return until the position is available. Indicates the application would like to receive the best possible results. If true and if the device is able to provide a more accurate position, it will do so. Note that this can result in slower response times or increased power consumption with a GPS chip on a mobile device for example.

Default: false. Need help upgrading to Ionic Framework 4.

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Log in Sign up. For iOS you have to add this configuration to your configuration. A double representing the accuracy of the altitude expressed in meters. This value can be null. A double representing the velocity of the device in meters per second.In this tutorial we are going to create a nearby restaurants mobile app using Ionic 4 and Angular.

Open your terminal or command prompt and run:. Since we are building an Android app, we are going to add an Android target but you can also add an ios or windows platform:.

Now just continue developing your app, all changes will be synced automatically to your mobile device thanks to the -l switch. The Cordova Geolocation plugin allows you to get the current user location or GPS position which is what we need to be able to get the nearby restaurants so let's add the plugin by running:.

After getting the current user position, we need to display that position in a Google map. To grab an API key go to this link.

Change your getCurrentPosition method to display the map based on the current user position:. The map won't show up but it's there. That's the end of this tutorial part. On the next part, we'll continue building our app to display a list of nearby locations restaurants using the Google Location API. We are going to learn how to use: The Cordova Geolocation plugin and its Ionic 4 Native wrapper to get the current user position or GPS location, Google Maps to dispaly a map with a marker showing current user position, Google Places API to get a list of nearby places or restaurants in our case.

Map this. DROP, position: this. Sponsored Links. Let's stay connected!In the previous post, we discussed how to get location coordinates using Geolocation and then converting those coordinates into understandable addresses. But adding a map in a mobile application really adds much value making it more useful and interactive.

Google Map API can be used to add fully featured maps anywhere, In this post, we will implement Maps in Ionic 4 Application and also use Geolocation and Geocoder plugin to fetch device location then fetch Address available for those coordinates we get. Here I am going to create an Ionic Application with Google Maps, having a location pointer in the center of the map, a user can drag, pan or zoom map to get an address at that location.

We are going to create Ionic Application in latest version 4, it is still in beta phase but soon it will be available as a stable version. But all steps will remain almost the same. To know more on how to get API Key visit this link.

Now open index.

Ionic 2 & 3: How to Use Google Maps & Geolocation

Geolocation plugin will fetch coordinates of the device in form of latitude and longitude, after that we will convert these coordinates in addresses using Geocoder plugin.

To show Google maps in homepage we need to add a placeholder for the map in which we will load Google Map. In the header section, there will be a button to move maps to the current location of the device.

how to get current location in ionic 4

There is another section below the map to show the address of pointer location on the map. We have added map to map placeholder to send reference in the component. Now we will modify home component file to load Google maps. Replace following code in home. This event is fired when all tiles are loaded.

In home. No sentido de vantagens e desvantagensā€¦ Qual vc considera melhor? So you can easily create you own app using Google maps in Ionic 4 application. Try these Google Map tutorials with Javascript and Native plugin. Please add a NgModule annotation.

Hello, I managed to input all the codes in and no errors were found. I got my API key. I input it just the way you did but somehow I could not run it. See the JavaScript console for technical details. Do you have a fix with the arguments that I can plug in there? I tried to declare some options and plug them in there but nothing was working. If you could please shoot me an email I would really appreciate it.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. You need to install and import Geolocation from ionic native. ChesterLaborde i am very confused where i must place that code I've tried repeatedly still error.

Is very simply with ionic, first install the cordova gps wrapper and after put the follow code in the page that you need access to position:. How are we doing? Please help us improve Stack Overflow. Take our short survey.

how to get current location in ionic 4

Learn more. Asked 2 years, 2 months ago. Active 2 years, 2 months ago. Viewed 2k times. Kalamarico 4, 14 14 gold badges 40 40 silver badges 66 66 bronze badges. Faza Adhzima Faza Adhzima 23 5 5 bronze badges. Active Oldest Votes. ChesterLaborde ChesterLaborde 4 4 silver badges 13 13 bronze badges. Please answer above question. Yes, in Ionic 3 you can use one of their native plugins called Geolocation.

This would be the code: this.

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Robo Bayer Robo Bayer 9 9 bronze badges. You could place in the contructor of the page where you want the location.After that Latitude and Longitude can be used to get Addresses available on these coordinates. To fetch address from coordinates of the device, we use Geocoder service.

Before we start with application make sure that your system is having an updated version of NodeJS installed.

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This plugin will use device location service to fetch latitude, longitude, accuracy, altitude, altitudeAccuracy, altitudeAccuracy, heading, speed. Here we have three buttons to fetch location coordinates, Watch location updates and stop location updates.

Above code is having inline comments to explain methods. Geolocation and Geocoder methods with configuration definitions.

Ionic4 Geolocation

Hi David, you may need to peep into that issue on your device, check this post to debug the app on chrome then check issue on console. Hi Arthi, Location service is available on real device or emulator, you need one of them to test app-build. But yes you definitely need to build the application first.

Hi Eden, please check this post on Google Maps in Ionic. What have happened is that this method has being agrouped with forwardResult inside GeocoderResult. Please help me. Iam using ionic 4. Skip to content. StatusBar. SplashScreen. Geolocation. NativeGeocoder. Get Location. Watch Location Updates. Stop Location Watch. Watching Location. Location Watch Stopped. Ionic 5 Geolocation Native Plugin Tutorial. X Native Plugin. Subscribe to Latest Tutorials.


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