Check By DataBase : https://stackoverflow.com/a/21151598/8448886
You can also use Log to check data is inserted on or not on your DataBaseHelper class.
public boolean addData(String name , String sku, String upc , String price, String displaySize, int displaySizeYes, String status){
db = this.getWritableDatabase();
ContentValues contentValues = new ContentValues();
contentValues.put(Constants.NAME, name );
contentValues.put(Constants.SKU, sku );
contentValues.put(Constants.UPC, upc );
contentValues.put(Constants.PRICE, price );
contentValues.put(Constants.DISPLAY_SIZE, displaySize );
contentValues.put(Constants.DISPLAY_SIZE_YES, displaySizeYes );
contentValues.put(Constants.STATUS, status );
long result = db.insert(Constants.TABLE_NAME,null,contentValues);
Log.e(TAG,""+upc+" Inserted");
if(result == -1) {
return false;
}else{
// Log.e(TAG,"value inserted");
return true;
}
}