Android research for shopping/searchig api

1) http://www.freeware4android.net/google-android-2-3-device-1859/tesco-shopping-app-download-118561.html

2) http://www.androidzoom.com/android_applications/shopping/paperless-list-pro_bubmx.html

3) http://www.xda-developers.com/android/paperless-list-uk-tesco-app/

4) for the expire date : http://www.androidapp101.com/best-before-android-app-2657.html

Some existing Tesco apps
5) http://www.gkishor.net/2011/02/android-app-to-shop-tesco-com-groceries/

6) http://www.techfortesco.com/forum/index.php?topic=269.0

API for search

Some ready made api for ISBN search : https://sites.google.com/site/appinventor/amazon-client-demo

Amazon guide: https://affiliate-program.amazon.com/gp/advertising/api/detail/main.html

Adding PayPal

How to Step by Step : http://vivdub.blogspot.co.uk/
http://www.happygeek.in/paypal-integration-in-android-app

Download Link : https://www.x.com/developers/paypal/documentation-tools/sdk

Guide/Manual from PayPal: https://cms.paypal.com/cms_content/US/en_US/files/developer/PP_MPL_Developer_Guide_and_Reference_Android.pdf

Understanding paypal http://www.happygeek.in/paypal-integration-in-android-app

Also don't forget to check the tutorials or some examples in the downloaded file.
Lecture Slides: http://www.slideshare.net/paypalx/inapp-payments-with-paypals-mobile-payment-library-mpl

Payment Flow: https://www.x.com/devzone/articles/build-mobile-point-sale-android-zxing-and-payflow-pro

ListView and Scroll View

List View and Scroll View cannot use together:

However, here it is the one solution using headerfooter:

http://blog.maxaller.name/2010/05/attaching-a-sticky-headerfooter-to-an-android-listview/

When the listview goes underneath the button :(very good blog)

http://android.cyrilmottier.com/?p=454

Note Pad Tutorial Live

http://www.youtube.com/watch?v=afVQ04EnX6w

Android Barcode Scanning and checkout with paypal

https://www.x.com/devzone/articles/build-mobile-point-sale-android-zxing-and-payflow-pro

some progress for listing the barcodes info

Here it is : http://stackoverflow.com/questions/9556037/listing-barcode-results-using-zxing-no-such-column-in-sqlite/9558422#9558422

:)

Scanner Listing

The problem so far that I have encountered is

1) ListActivity is not working when I input it with ScanActivity

I am not sure what to use the ListActivity and ScanActivity at the same time!