[Android] Determine which activities can handle the intent

gistfile1.java

// Determine which activities can handle the intent
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
PackageManager packageManager = getContext().getPackageManager();
List<ResolveInfo> activities = packageManager.queryIntentActivities(intent, 0);

// If there are no relevant activities, don't follow the link
boolean isIntentSafe = activities.size() > 0;
if (!isIntentSafe) {
    // Something Wrong
    return true;
}