The Google Maps app already has all the features that you describe.
Now everyone can use their built-in Maps application to get directions between campus buildings. ( Example - note that the route runs along campus paths, not the surrounding roads.)
, "" Android, Ikea .
, "", :
Intent intent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://maps.google.com/maps?saddr=START_LOCATION&daddr=DESTINATION_LOCATION&dirflg=w"));
if (isAppInstalled("com.google.android.apps.maps")) {
intent.setClassName("com.google.android.apps.maps", "com.google.android.maps.MapsActivity");
}
startActivity(intent);
private boolean isAppInstalled(String uri) {
PackageManager pm = getApplicationContext().getPackageManager();
boolean app_installed = false;
try {
pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
app_installed = true;
} catch (PackageManager.NameNotFoundException e) {
app_installed = false;
}
return app_installed;
}
( .)