On 15/05/14 01:22, Dave Crozier wrote:
For those of you who showed interest when I posted about the Basic4Android
software, they are having a sale (not long to go). The enterprise version with
2 years of upgrades is now 84 US dollars with the Standard version (2months of
upgrades) at 41 dollars.
If any of you are thinking about any Android development then I can recommend
it and the updates/enhancements that have been shipped out in the last few
months make it an even better product then when I posted about it.
Fascinating stuff, Dave. Thanks for the intro. The only exposure I've
had to all these newfangled devices has been the family's iPhones and
the wife's Samsung Tablet and you caught my attention. Had once
considered buying an Android Phone or Tablet, but now you have me really
interested in discovering what's involved in programming them.
A search for a list of Functions proved fruitless. A search for the word
'Function' provided a number of individual functions scattered
throughout the various documents. Where one expects a formal list of
built-in functions with an explanation of the various parameters etc,
there appears not to be one. Have you seen one anywhere?
On page 252 of the 326-page Beginners Guide one reads...
The semicolon character ' : ' in the line above is treated in B4A like a
CarriageReturn CR character.
The character they show is in fact a colon.
Then I happened to run across the "FILE" object and found something
weird. Discussing methods in a file object it states the following.
"The File object includes several methods for writing to files and
reading from files. To be able to write to a file or to read from a
file, it must be opened."
Then on page 270 it presents some of those methods. The accurate use of
words in their product development seems to leave a lot to be desired.
Take these words for example: In the functions below, opening for OUTPUT
seems to evaluate to WRITE and opening for INPUT evaluates to READ. This
is so counter intuitive; too many of these could waste a lot of time.
----------------------------------------------------------------------
File.OpenOutput (Dir As String, FileName As String, Append As Boolean)
Opens the given file for output, the Append parameter tells whether the
text will be added at the end of the existing file or not. If the file
doesn't exist it will be created.
---------------------------------------------------------------------
File.OpenInput (Dir As String, FileName As String)
Opens the file for reading.
---------------------------------------------------------------------
File.WriteString (Dir As String, FileName As String, Text As String)
Writes the given text to a new file.
---------------------------------------------------------------------
File.ReadString (Dir As String, FileName As String) As String
Reads a file and returns its content as a string.
---------------------------------------------------------------------
GaryT
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