By Jürgen Scheible, Ville Tuulos
Mobile Python is the advent of Python programming language to the cellular space. This functional hands-on booklet teaches readers how one can become aware of their program principles at the Symbian OS. Programming at the Symbian cellular platform has been tricky and time eating within the past. This leading edge new name will treatment this problem.
Chapters care for issues which are in line with Python S60 positive aspects and awarded in an order that we could the person examine first the “simple to code” ones after which expanding in complexity.
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Additional resources for Mobile Python: Rapid prototyping of applications on the mobile platform (Symbian Press)
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32 GRAPHICAL USER INTERFACE BASICS It is an interface to the S60 UI application framework that takes care of all UI functionalities on the S60 platform. But before we go on, let’s learn what a ‘module’ is in Python, in the language lesson. Python Language Lesson: module A module is a file that contains a collection of related functions and data grouped together. PyS60 comes with a rich set of modules, for example messaging to handle SMS functionalities, camera for taking photos, and appuifw, which provides ready-to-use UI elements.
If your variable holds the integer 5 but you need the string ‘5’, you have to use the str() function to convert the integer to a string. The type of a value does not change automatically. The first time you use a variable, assignment is done with the equals sign ‘=’. It creates a new variable and gives the variable a value, for example: data = 5 mynewlist = "Symbian" The special value None denotes a missing value. You can re-use the same variable freely throughout a program. In some examples, we use capital letters for variable names.
When running the script, type the letter ‘b’. The find pane should appear at the bottom of the list and the entries ‘blue’ and ‘brown’ should appear. Select ‘blue’ and press the OK button. ’. If you select something else, for instance red, a text should appear stating ‘Bzz! red is not correct’. = None: print "Bzz! " + colors[index] + " is not correct" We create a list with four colors that are specified as Unicode strings. Each element represents an entry in our selection list dialog. The list is assigned to the variable colors.