how to open android application if installed and go to android market if not install

Question

I would like to make android button and able to launch other application if already installed and go to android market if not yet installed.

How to do this?

Regards, Virak

Answer 1

use below code

String packageName = "app_package_name";
Intent intent = getPackageManager().getLaunchIntentForPackage(packageName);

if(intent == null) {
   intent = new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id="+packageName));
}
  startActivity(intent);