Android show current location with Map v2

Android show current location with Map v2

*This article about how to show  current location with Map v2 .
*Setting speed to animated  layout

Create xml layout with custom speed indicator, current location text , Map view.

main_layout.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    xmlns:app="http://schemas.android.com/apk/res/com.vehicle.mediawhitetracking"

    android:id="@+id/container"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:background="@color/background"

    tools:context="com.vehicle.mediawhitetracking.MainActivity"

    tools:ignore="MergeRootFrame" >

<RelativeLayout

    android:layout_width="fill_parent"

    android:layout_height="150dip"

    android:layout_above="@+id/map"

    android:layout_alignLeft="@+id/map"

    android:layout_alignRight="@+id/map"

    android:background="@color/white" >

    <RelativeLayout

        android:id="@+id/view1"

        android:layout_width="140dp"

        android:layout_height="160dp"

        android:background="@color/speed_circle_background" >

         <com.vehicle.mediawhitetracking.HalfSeekabr

            android:id="@+id/volume_bar"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_margin="10dp"

            android:clickable="false"

            android:secondaryProgress="0"

           

            app:end_angle="270"

            app:pointer_alpha_ontouch="100"

            app:pointer_color="#0174DF"

            app:pointer_halo_color="#880174DF"

            app:start_angle="270"

            app:use_custom_radii="true" />

         <TextView

             android:id="@+id/speed_textview"

             android:layout_width="wrap_content"

             android:layout_height="wrap_content"

             android:textColor="@color/white"

             android:textStyle="bold"

             android:layout_centerHorizontal="true"

             android:layout_centerVertical="true"

            ></TextView>

    </RelativeLayout>

    <ImageView

        android:id="@+id/image_gps"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentRight="true"

        android:layout_alignParentTop="true"

        android:src="@drawable/gps" />

    <TextView

        android:id="@+id/text_currentlocation"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerVertical="true"

        android:textSize="@dimen/text_size"

        android:layout_marginLeft="10dip"

        android:textColor="@color/current_location_textcolor"

        android:layout_toRightOf="@+id/view1"

        android:singleLine="true"

        android:text="@string/current_location" />

</RelativeLayout>

    <fragment

        android:id="@+id/map"

        android:layout_width="356dp"

        android:layout_height="340dip"

        android:layout_alignParentBottom="true"

        android:layout_alignParentLeft="true"

        android:layout_alignParentRight="true"

        android:layout_margin="10dip"

        class="com.google.android.gms.maps.SupportMapFragment" />

</RelativeLayout>

mainactivity.class
Activity having Location GPS listener and Set speed to custom speed indicator.

import java.io.IOException;

import java.util.List;

import java.util.Locale;

import com.google.android.gms.location.LocationListener;

import com.google.android.gms.maps.CameraUpdateFactory;

import com.google.android.gms.maps.GoogleMap;

import com.google.android.gms.maps.SupportMapFragment;

import com.google.android.gms.maps.model.LatLng;

import android.support.v7.app.ActionBarActivity;

import android.support.v4.app.Fragment;

import android.content.Context;

import android.location.Address;

import android.location.Geocoder;

import android.location.Location;

import android.location.LocationManager;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.ViewGroup;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends ActionBarActivity {

       GoogleMap gMap;

       HalfSeekabr halfSeekBar;

       LatLng latLang;

    TextView textView,currentLocationAdress;

      

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

              halfSeekBar = (HalfSeekabr) findViewById(R.id.volume_bar);

              textView = (TextView)findViewById(R.id.speed_textview);

              currentLocationAdress = (TextView)findViewById(R.id.text_currentlocation);

              SupportMapFragment supportedmapFragment = (SupportMapFragment) getSupportFragmentManager()

                           .findFragmentById(R.id.map);

              gMap = supportedmapFragment.getMap();

              gMap.setMyLocationEnabled(true);

              halfSeekBar.setMax(120);

              gMap.animateCamera(CameraUpdateFactory.zoomTo(12));

              gpsListener locationList = new gpsListener();

              LocationManager locationmanger = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

              locationmanger.requestLocationUpdates(LocationManager.GPS_PROVIDER,

                           2000, 50, locationList);

       }

       @Override

       public boolean onCreateOptionsMenu(Menu menu) {

              // Inflate the menu; this adds items to the action bar if it is present.

              getMenuInflater().inflate(R.menu.main, menu);

              return true;

       }

       @Override

       public boolean onOptionsItemSelected(MenuItem item) {

              // Handle action bar item clicks here. The action bar will

              // automatically handle clicks on the Home/Up button, so long

              // as you specify a parent activity in AndroidManifest.xml.

              int id = item.getItemId();

              if (id == R.id.action_settings) {

                     return true;

              }

              return super.onOptionsItemSelected(item);

       }

       //Gps Location Listener

      

       private class gpsListener implements android.location.LocationListener {

              @Override

              public void onLocationChanged(Location location) {

                    

                    

                     latLang = new LatLng(location.getLatitude(),

                                  location.getLongitude());

                     if (location != null) {

                           //Setting speed to Textview

                           textView.setText(""+75 +" km/h");

                           halfSeekBar.setProgress(75);

                           //Animate to current Location

                           gMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latLang,

                                         15));

                           Geocoder geocoder; 

                      List<Address> addresses;

                      geocoder = new Geocoder(MainActivity.this, Locale.getDefault());

                       try {

                                  addresses = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 1);

                                  currentLocationAdress.setText(addresses.get(0).getAdminArea() +","+addresses.get(0).getAddressLine(0));

                           } catch (IOException e) {

                                 

                                  e.printStackTrace();

                           }

                  

                     }

                    

              }

              @Override

              public void onProviderDisabled(String provider) {

                     // TODO Auto-generated method stub

              }

              @Override

              public void onProviderEnabled(String provider) {

                     // TODO Auto-generated method stub

             

              }

              @Override

              public void onStatusChanged(String provider, int status, Bundle extras) {

                     // TODO Auto-generated method stub

              }

       }

}

Add the Following Permission in manifest file and manifestfile

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.vehicle.mediawhitetracking"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="14"

        android:targetSdkVersion="19" />

    <permission

        android:name="com.vehicle.mediawhitetracking.permission.MAPS_RECEIVE"

        android:protectionLevel="signature" />

    <uses-feature

        android:glEsVersion="0x00020000"

        android:required="true" />

    <uses-permission android:name="com.vehicle.mediawhitetracking.permission.MAPS_RECEIVE" />

    <uses-permission android:name="android.permission.INTERNET" />

    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />

    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/logo"

        android:label="@string/app_name"

        android:theme="@style/Theme.Mw" >

        <meta-data

            android:name="com.google.android.maps.v2.API_KEY"

            android:value="AIzaSyADeOdxjKTffVwQBNjQwR-E72v7JzvRpcY" />

        <meta-data

            android:name="com.google.android.gms.version"

            android:value="@integer/google_play_services_version" />

        <activity

            android:name="com.vehicle.mediawhitetracking.MainActivity"

            android:label="@string/app_name" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

Download Source Code