Tuesday, May 5, 2015

Showing Current Location with Marker in Google Maps V2 using Android Studio

build.gradle:

android {
compileSdkVersion 21
buildToolsVersion "21.1.2"

defaultConfig {
applicationId "com.rams4android.googlemapsv2"
minSdkVersion 11
targetSdkVersion 21
versionCode 1
versionName "1.0"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}

dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile 'com.android.support:appcompat-v7:21.0.3'
compile 'com.google.android.gms:play-services:6.5.87'
}

 To get maps api key read this tutorial: http://ramsandroid4all.blogspot.in/2013/03/google-maps-android-api-v2.html

AndroidManifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.rams4android.googlemapsv2">

<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<!--
The following two permissions are not required to use
Google Maps Android API v2, but are recommended.
-->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

<permission
android:name="
place your app package name here.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />

<uses-permission android:name="
place your app package name here.permission.MAPS_RECEIVE" />

<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme">
<activity
android:name=".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>

<meta-data
android:name="com.google.android.gms.version"

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

<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="
Place your maps api key here" />
</application>

</manifest>

activity_main.xml:

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:map="http://schemas.android.com/apk/res-auto"
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >

<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:name="com.google.android.gms.maps.MapFragment"
/>
</LinearLayout>

MainActivity.java:
package com.rams4android.googlemapsv2;

import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.widget.Toast;

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


public class MainActivity extends ActionBarActivity implements LocationListener {
GoogleMap map;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

//To get MapFragment reference from xml layout
MapFragment mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);

//To get map object
map = mapFragment.getMap();

/* //to show current location in the map
map.setMyLocationEnabled(true);

map.setOnMapClickListener(new GoogleMap.OnMapClickListener() {
@Override
public void onMapClick(LatLng latLng) {

Toast.makeText(getApplicationContext(), latLng.toString(), Toast.LENGTH_LONG).show();
}
});*/

//To setup location manager
LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);

//To request location updates
locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1, 1, this);

}


@Override
public void onLocationChanged(Location location) {

//To clear map data
map.clear();

//To hold location
LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());

//To create marker in map
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(latLng);
markerOptions.title("My Location");
//adding marker to the map
map.addMarker(markerOptions);

//opening position with some zoom level in the map
map.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng, 17.0f));
}

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

}

@Override
public void onProviderEnabled(String provider) {

}

@Override
public void onProviderDisabled(String provider) {

}
}

Showing Current Location with Marker in Google Maps V2 using Android Studio Rating: 4.5 Diposkan Oleh: Unknown

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