Checking Intent Availability in Android | Grokking Android

Good article for check package installation

public static boolean isAvailable(Context ctx, Intent intent) {

final PackageManager mgr = ctx.getPackageManager();

List list =

mgr.queryIntentActivities(intent,

PackageManager.MATCH_DEFAULT_ONLY);

return list.size() > 0;

}

Checking Intent Availability in Android | Grokking Android