Android studio download google location services apis

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But to provide more accurate locations and optimizing the battery usage, Android introduced set APIs that should be combined to get the best results from the location API. We will be using Fused Location API that combines signals from GPS , Wi-Fi , and cell networks , as well as accelerometer , gyroscope , magnetometer and other sensors to provide more accurate results.

There are two permissions available to request location. The accuracy of the location is determined by the kind of permission requested and priority level. Here is the demo app we are going to implement in this article. The app receives the location updates when it is opened and updates will be stopped when app goes to background.

In this layout, few Buttons and TextViews are defined to toggle the location updates and display location information. Open MainActivity. Initially the code might look heavy but with couple of observations you can understand it easily.

Hi there! I am Founder at androidhive and programming enthusiast. If you have any idea that you would want me to develop? I am wondering you are still demoing using Eclipse! Setting dependencies and using them is damm easy in Android studio. LocationClient is deprecated, but not LocationRequest. When did LocationRequest class become deprecated. I do use Android Studio.

Ravi Tamada :disqus. I am facing an error in the above Json parsing tutorial link of yours. I just imported the same code in android studio and facing some problems. Could u guys please help me? How to overcome this? Please help. Thanks in advance. Hello Rahul, could you help me out to get the image from the json at the right corner of each and every list row for the same tutorial or atleast suggest me a tutorial. Thank you. Your tutorials are always great to learn from, so as a Subscriber to your beautiful blog, I request you to please make tutorials on Sync Adapter Framework in Android, where the sync adapter component in the app encapsulates the code for the tasks that transfer data between the device and a server.

Try playing with this project. In the above sentence the second method is stopLocationUpdates but in the doc. I am trying to get sim serial number for both the sim card in a dual sim android mobile but every time I able to get sim serial number for sim one but for second sim I am getting null value. Excellent Ravi, usefull tutorial, but i face problems to import import com. Its a device bro. I used nexus5 to record the screen and then edited the video placing it on a mobile png image.

For example, if the permission is needed for a specific feature, the app can disable that feature. If the permission is essential for the app to function, the app can disable all its functionality and inform the user that they need to grant the permission. The following code sample checks for permission using the Support library before enabling the My Location layer.

It then handles the result of the permission request by implementing the ActivityCompat. GoogleMap; import com. OnMyLocationClickListener; import com. OnMapReadyCallback; import com. SupportMapFragment; import android. Manifest; import android. PackageManager; import android. Location; import android. Bundle; import androidx. NonNull; import androidx. AppCompatActivity; import androidx. ActivityCompat; import androidx.

ContextCompat; import android. If the permission has not been granted, the Activity is finished with an error message. Show rationale and request permission PermissionUtils. Manifest import android. It will look like this:. The my location icon is the same as the one used in the Google Maps app when a user wants to snap the camera to their current location. The first line is used in your app bar when there is space to include a text label next to the icon. The others are used for markers that you add to the map.

Add these lines at the top of MapsActivity. It replaces the FragmentActivity extension that is defined by default for a maps activity. Next, declare the various class variables used in different class methods.

These include the UI elements and status codes. These should be just below the variable declaration for GoogleMap mMap. You'll need to update the onCreate method to handle runtime user permissions for location services, setting up the UI elements and creating the Places API client. Add the following lines of code regarding the action toolbar, views setup, and Places client to the end of the existing onCreate method.

These two methods add the app bar menu with a single item, the Pick Place icon and handle the user's click on the icon. Copy these two methods into your file after the onCreate method. After a few moments, the app launches. You see the map centered on Sydney, Australia, with the single button and unpopulated places list. The focus of the map doesn't move to the user's location unless you request permission to access the device's location. Paste this code below the onOptionsSelected method you just created.

When the user clicks Pick Place in the app bar, the app calls the method pickCurrentPlace , which calls the getDeviceLocation method you defined earlier. The getDeviceLocation method calls another method, getCurrentPlaceLikelihoods, after retrieving the latest device location. If the task is successful, it returns a findCurrentPlaceResponse , which contains a list of placeLikelihood objects.

Each of these have a number of properties, including the name and address of the place, and the likelihood probability that you are in that place a double value from 0 to 1. This method handles the response by constructing lists of place details from the placeLikelihoods.

This code iterates through the five most-likely places and adds ones with a likelihood grater than 0 to a list which it then rendera. If the user grants permission, the app fetches the user's latest location and moves the camera to center around that location. If the user denies permission, the app simply moves the camera to the default location defined among the constants at the beginning of this page in the sample code, it is Sydney, Australia.

When the user taps Pick Place , this method checks for location permissions and prompts the user for permission if it hasn't been granted. If the user has granted permission, then the method calls getDeviceLocation to initiate the process of getting the current likely places. If you run the app now and tap Pick Place , it should prompt for location permissions.

Let's think about what we want to happen when the user clicks an item in the ListView. To confirm the user's choice of which place they are currently, you can add a marker to the map at that place. If the user clicks that marker, an info window pops up displaying the place name and address. Paste this click handler after the pickCurrentPlace method. Now that you have your list of most-likely places that the user is currently visiting, you can present those options to the user in the ListView.

Now that fillPlacesList is defined, find the line toward the end of findPlaceLikelihoods that calls fillPlacesList and uncomment it. This time when you tap Pick Place , the app populates the list with named places close to the location. Because the several places are very close to the location coordinates, this is a list of likely places you may be in.

If you want to change your location and are using the emulator, the device location doesn't automatically update when you update the location coordinates in the emulator's extended menu. To get around this, follow these steps to use the native Google Maps app to force updates to the emulator's location:. And that's it! You built a simple app that checks for the places at the current location and gives you a likelihood of which ones you're at.

Download the latest version of the packages available above. If it has different OSes, choose one that match your development OS. Locate the downloaded. You should only proceed to the next step if only you already in the root directory of Android SDK.