Android open map apps through intent

This Android code snippet will open up a dialog which allow you to pick a map app to show the address you passed in the intent.

Intent intent = new Intent(android.content.Intent.ACTION_VIEW,
        Uri.parse("geo:0,0?q=replace+this+with+an+address"));
startActivity(intent);

This Android code snippet will launch the google map with direction to the address you passed in.

Intent intent = new Intent(Intent.ACTION_VIEW,
    Uri.parse("google.navigation:q=replace+this+with+an+address"));
startActivity(intent);

Passing in the latitude,longitude to the map app.

Intent intent = new Intent(android.content.Intent.ACTION_VIEW,
        Uri.parse("geo:46.7170627,-71.2884537"));
startActivity(intent);