Android, app install check

// app install check

private boolean appInstalledOrNot(String uri) {

PackageManager pm = _context.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 ;

}

http://stackoverflow.com/questions/11392183/how-to-check-programmatically-if-an-application-is-installed-or-not-in-android