Create multi-marker OpenStreetMap for Android

A example to craete Android app using OpenStreetMap with multi-marker.

AndroidOpenStreetMapViewActivity.java

package com.exercise.OpenStreetMapView;

import java.util.ArrayList;
import org.osmdroid.util.GeoPoint;
import org.osmdroid.views.MapController;
import org.osmdroid.views.MapView;
import org.osmdroid.views.overlay.ItemizedIconOverlay;
import org.osmdroid.views.overlay.OverlayItem;
import org.osmdroid.views.overlay.ScaleBarOverlay;

import android.app.Activity;
import android.os.Bundle;

public class AndroidOpenStreetMapViewActivity extends Activity {
 
 private MapView myOpenMapView;
 private MapController myMapController;
 
 ArrayList<OverlayItem> anotherOverlayItemArray;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        myOpenMapView = (MapView)findViewById(R.id.openmapview);
        myOpenMapView.setBuiltInZoomControls(true);
        myMapController = myOpenMapView.getController();
        myMapController.setZoom(2);
      
        //--- Create Another Overlay for multi marker
        anotherOverlayItemArray = new ArrayList<OverlayItem>();
        anotherOverlayItemArray.add(new OverlayItem(
          "0, 0", "0, 0", new GeoPoint(0, 0)));
        anotherOverlayItemArray.add(new OverlayItem(
          "US", "US", new GeoPoint(38.883333, -77.016667)));
        anotherOverlayItemArray.add(new OverlayItem(
          "China", "China", new GeoPoint(39.916667, 116.383333)));
        anotherOverlayItemArray.add(new OverlayItem(
          "United Kingdom", "United Kingdom", new GeoPoint(51.5, -0.116667)));
        anotherOverlayItemArray.add(new OverlayItem(
          "Germany", "Germany", new GeoPoint(52.516667, 13.383333)));
        anotherOverlayItemArray.add(new OverlayItem(
          "Korea", "Korea", new GeoPoint(38.316667, 127.233333)));
        anotherOverlayItemArray.add(new OverlayItem(
          "India", "India", new GeoPoint(28.613333, 77.208333)));
        anotherOverlayItemArray.add(new OverlayItem(
          "Russia", "Russia", new GeoPoint(55.75, 37.616667)));
        anotherOverlayItemArray.add(new OverlayItem(
          "France", "France", new GeoPoint(48.856667, 2.350833)));
        anotherOverlayItemArray.add(new OverlayItem(
          "Canada", "Canada", new GeoPoint(45.4, -75.666667)));
        
        ItemizedIconOverlay<OverlayItem> anotherItemizedIconOverlay 
         = new ItemizedIconOverlay<OverlayItem>(
           this, anotherOverlayItemArray, null);
        myOpenMapView.getOverlays().add(anotherItemizedIconOverlay);
        //---
        
        //Add Scale Bar
        ScaleBarOverlay myScaleBarOverlay = new ScaleBarOverlay(this);
        myOpenMapView.getOverlays().add(myScaleBarOverlay);
    }
    
}

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" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
 <org.osmdroid.views.MapView
     android:id="@+id/openmapview"
     android:layout_width="fill_parent"
        android:layout_height="fill_parent"/>
     
</LinearLayout>

Permission needed in AndroidManifest.xml

• android.permission.ACCESS_NETWORK_STATE
• android.permission.INTERNET
• android.permission.WRITE_EXTERNAL_STORAGE
• android.permission.ACCESS_FINE_LOCATION

Download the files.

Related:
- Prepare Java Build Path to osmdroid and slf4j-android libs for OpenStreetMapView
- Display current location marker on OpenStreetMap

Next:
- Implement OnItemGestureListener on OpenStreetMap to detect user touch and retrieve touched items properties