private static boolean isPackageInstalled(String packagename, Context context) {
PackageManager pm = context.getPackageManager();
try {
pm.getPackageInfo(packagename, PackageManager.GET_ACTIVITIES);
return DataFetcher.isProviderInstalled(context);
} catch (PackageManager.NameNotFoundException e) {
return false;
}
}
/** actions for the context menu */
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
int id = (int) getListAdapter().getItemId(info.position);
// sets an alarm for the selected stop
switch (item.getItemId()) {
case SET_STOP_OPTION:
Intent i = new Intent(getApplicationContext(), ConfirmationPage.class);
HashMap<String, String> busItem = locationList.get(id);
DataFetcher df = new DataFetcher();
try {
BusStop b = df.getStopById(Integer.parseInt(busItem.get("stopID").split("_")[1]));
i.putExtra("busstop", b);
i.putExtra("busroute", busItem.get("routeID"));
i.putExtra("busroutedesc", busItem.get("routeDesc"));
startActivity(i);
finish();
// if an exception occurs, nothing happens (for now).
} catch (NumberFormatException e) {
Log.v(TAG, "Error parsing stop id!");
e.printStackTrace();
} catch (IOException e) {
Log.v(TAG, "Error fetching info!");
e.printStackTrace();
}
break;
// removes the selected stop from the list
case REMOVE_STOP_OPTION:
HashMap<String, String> itemToRemove = locationList.get(id);
mBusDbHelper.open();
mBusDbHelper.deleteDest(itemToRemove.get("routeID"), itemToRemove.get("stopID"));
mBusDbHelper.close();
locationList.remove(id);
listAdapter.notifyDataSetChanged();
break;
case CANCEL:
break;
default:
break;
}
return true;
}
