Location Manager Demo in Android

Hello Friends!

  I am going to share very useful demo for location manager in android. It will search all known location and display in a list. I am sharing code below hope it will helpful for you.

1-Print Screen:

2-manifest.xml

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

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

    package="com.manish.location.manager"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="15" />

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

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

    <application

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name" >

        <activity

            android:label="@string/app_name"

            android:name=".LocationManagerDemoActivity" >

            <intent-filter >

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

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

            </intent-filter>

        </activity>

    </application>

 </manifest>

3-LocationManagerDemoActivity.java

package com.manish.location.manager;

import java.util.List;

import android.app.Activity;

import android.location.Criteria;

import android.location.Location;

import android.location.LocationListener;

import android.location.LocationManager;

import android.location.LocationProvider;

import android.os.Bundle;

import android.widget.TextView;

public class LocationManagerDemoActivity extends Activity implements LocationListener {

       private static final String[] States = { "No Service",

                     "Temporarily Unavailable", "Available" };

       private TextView result;

       private LocationManager locationManager;

       private String serviceProvider;

       @Override

       public void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.main);

              // Get the output UI

              result = (TextView) findViewById(R.id.result);

              // Get the location manager

              locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);

              // List all providers:

              List<String> providers = locationManager.getAllProviders();

              for (String provider : providers) {

                     printProvider(provider);

              }

              Criteria criteria = new Criteria();

              serviceProvider = locationManager.getBestProvider(criteria, false);

              result.append("\n\nProvider:\n");

              printProvider(serviceProvider);

              result.append("\n\nLocations (starting with last known):");

              Location location = locationManager.getLastKnownLocation(serviceProvider);

              printLocation(location);

       }

       /** Register for the updates when Activity is in foreground */

       @Override

       protected void onResume() {

              super.onResume();

              locationManager.requestLocationUpdates(serviceProvider, 20000, 1, this);

       }

       /** Stop the updates when Activity is paused */

       @Override

       protected void onPause() {

              super.onPause();

              locationManager.removeUpdates(this);

       }

       public void onLocationChanged(Location location) {

              printLocation(location);

       }

       public void onProviderDisabled(String provider) {

              // let okProvider be bestProvider

              // re-register for updates

              result.append("\n\nProvider Disabled: " + provider);

       }

       public void onProviderEnabled(String provider) {

              // is provider better than bestProvider?

              // is yes, bestProvider = provider

              result.append("\n\nProvider Enabled: " + provider);

       }

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

              result.append("\n\nProvider Status Changed: " + provider + ", Status="

                           + States[status] + ", Extras=" + extras);

       }

       private void printProvider(String provider) {

              LocationProvider info = locationManager.getProvider(provider);

              result.append(info.toString() + "\n\n");

       }

       private void printLocation(Location location) {

              if (location == null)

                     result.append("\nLocation[unknown]\n\n");

              else

                     result.append("\n\n" + location.toString());

       }

}

4-main.xml

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

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

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    <ScrollView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content" >

        <TextView

            android:id="@+id/result"

            android:layout_width="fill_parent"

            android:layout_height="wrap_content" />

    </ScrollView>

</LinearLayout>