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Monday 20 April 2020

google map android example

Android allows us to integrate google maps in our application. You can show any location on the map , or can show different routes on the map e.t.c. You can also customize the map according to your choices.
 from the more google map information follow the developer google map visit this link.
Android gives office to coordinate Google map in our application. Google map shows your momentum area, explore area bearing, search area and so forth. We can likewise redo Google map as indicated by our necessity.

Types of Google Maps

There are four different types of Google maps normal, hybrid, satellite, terrain and none, as well as an optional to no map at all. Each of them gives different view on map. These maps are as follow:
1.    Normal: This type of map displays a typical road map, natural features like river and some features build by humans.
2.    Hybrid: This type of map displays satellite photograph data with typical road maps. It also displays road and feature labels.
3.    Satellite: Satellite type displays satellite photograph data, but doesn't display road and feature labels.
4.    Terrain: This type displays photographic data. This includes colors, contour lines and labels and perspective shading.
5.    None: This type displays an empty grid with no tiles loaded.


1.MapsActivity.java:

import android.support.v4.app.FragmentActivity;
import android.os.Bundle;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {

   private GoogleMap mMap;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_maps);
      // Obtain the SupportMapFragment and get notified when the map is ready to be used.
      SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
         .findFragmentById(R.id.map);
      mapFragment.getMapAsync(this);
   }
   
   /**
      * Manipulates the map once available.
      * This callback is triggered when the map is ready to be used.
      * This is where we can add markers or lines, add listeners or move the camera.
      * In this case, we just add a marker near Sydney, Australia.
      * If Google Play services is not installed on the device. 
      * This method will only be triggered once the user has installed 
         Google Play services and returned to the app.
   */
  
   @Override
   public void onMapReady(GoogleMap googleMap) {
      mMap = googleMap;
      // Add a marker in Sydney and move the camera
      LatLng TutorialsPoint = new LatLng(21, 57);
      mMap.addMarker(new 
         MarkerOptions().position(TutorialsPoint).title("Tutorialspoint.com"));
      mMap.moveCamera(CameraUpdateFactory.newLatLng(TutorialsPoint));
   }
}


2.activity_main.xml:

<fragment xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:map="http://schemas.android.com/apk/res-auto"
   xmlns:tools="http://schemas.android.com/tools"
   android:id="@+id/map"
   android:name="com.google.android.gms.maps.SupportMapFragment"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   tools:context="com.example.tutorialspoint7.myapplication.MapsActivity" />



3.AndroidManifest.xml:

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.akash.myapplication">
   <!--
      The ACCESS_COARSE/FINE_LOCATION permissions are not required to use
      Google Maps Android API v2, but you must specify either coarse or fine
      location permissions for the 'MyLocation' functionality. 
   -->
   <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
   <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
   <uses-permission android:name="android.permission.INTERNET" />
   <application
      android:allowBackup="true"
      android:icon="@mipmap/ic_launcher"
      android:label="@string/app_name"
      android:supportsRtl="true"
      android:theme="@style/AppTheme">

      <!--
         The API key for Google Maps-based APIs is defined as a string resource.
         (See the file "res/values/google_maps_api.xml").
         Note that the API key is linked to the encryption key used to sign the APK.
         You need a different API key for each encryption key, including the release key 
         that is used to sign the APK for publishing.
         You can define the keys for the debug and 
            release targets in src/debug/ and src/release/. 
      -->
      
      <meta-data
         android:name="com.google.android.geo.API_KEY"
         android:value="AIzaSyAXhBdyKxUo_cb-EkSgWJQTdqR0QjLcqes" />

      <activity
         android:name=".MapsActivity"
         android:label="@string/title_activity_maps">
         <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
         </intent-filter>
      </activity>
   </application>

</manifest>

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