Hi - this is all covered in the SAP Developer Help - http://help.sap.com/businessobject/product_guides/AAD14/en/ds14_dev_guide_en.pdf - please follow the steps correctly.
You can download the SDK samples at http://help.sap.com/businessobject/product_guides/AAD14/en/DS_14_SDK_SAMPLES.zip - but again please follow the steps outlined in the help link above.