How to generate Google Map Key ?

1. Signup for Android Map API key (it allows to embed Google maps in Android App)

URL: http://code.google.com/android/maps-api-signup.html

2. Use your Google account to finally generate Map Key

3. Generate your certificate's MD5 fingerprint

i)  Check for debug.keystore on your machine under [.android] directory

        Example on MacOS:

        /Users/santoshlg/.android/debug.keystore

ii) Check for the keytool location on your machine (JDK installation)  

        Example on Windows:

     C:\Program Files\Java\jdk1.6.0_21\bin\keytool

   

iii) Use below command to list contents of existing debug.keystore

            $keytool -list -keystore ~/.android/debug.keystore

     Enter keystore password: android

     Keystore type: JKS

     Keystore provider: SUN

     Your keystore contains 1 entry

     androiddebugkey, Jun 26, 2010, PrivateKeyEntry,

     Certificate fingerprint (MD5): 8A:B7:F5:D4:0F:F3:FA:31:E6:24:D6


iv) Access below URL and enter Certificate fingerprint (MD5) generated above 
           URL: http://code.google.com/android/maps-api-signup.html

v) Finally you will get page similar to below,

      

4. Use Map key (generated above) in your application code so that your application can use Google Map API (Important : Please go through the Google Policy for Using their API in your code)
i) Create Activity which extends MapActivity

import android.os.Bundle;

import com.google.android.maps.MapActivity;

import com.google.android.maps.MapView;

public class MyMapsActivity extends MapActivity {

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        //setContentView(R.layout.main);

        String mapKey = "0CXT_1IuVXHJUxJatumMJbC7I_Zw"

        MapView mapView = new MapView(this, mapKey);

        mapView.setEnabled(true);

        mapView.setClickable(true);

        mapView.setBuiltInZoomControls(true);

        setContentView(mapView);

        

    }

@Override

protected boolean isRouteDisplayed() {

return false;

}

}

For detail map application please refer to below blog post,

http://namaste-android.blogspot.jp/2012/04/using-google-map-in-your-application.html