![]() invoke the appropriate virtual method on each object. Notice how the area() and perimeter() functions really OutputText.append( " perimeter = " shapes.perimeter() "\n" ) OutputText.append( " area = " shapes.area() "\n" ) OutputText.append( " " shapes.toString() "\n" ) OutputText.append( "\nHere are some properties of the shapes:\n" ) OutputText.append( "\nHere is their current position:\n" ) Now use the same functions in the base class Notice how we can do this using functions specific to OutputText.append( "\nA total of " Shape.getNshapes() " shapes were created\n" ) ![]() OutputText.append( " Created square " s "\n") OutputText.append( " Created circle " c "\n") ![]() OutputText.append( "Creating some objects:\n" ) The associated resources need to be created, modify res/layout/main.xml as follows: The above simply adds a Run button and scrollable text view as the GUI aspects of the program. Scroller.fullScroll(ScrollView.FOCUS_DOWN) Scroller = (ScrollView)findViewById(R.id.Scroller) tMovementMethod(new ScrollingMovementMethod()) OutputText = (TextView)findViewById(R.id.OutputText) ** Called when the activity is first created. The Eclipse version is not required for these examples as just the command line tools are used (shown for Linux as the host, but Windows will be very similar, if not identical in most places).Īdd the SDK tools and NDK tools to your path and create a directory somewhere for your Android projects (adjust PATH as necessary to where you installed the tools): The examples require the Android SDK and Android NDK which can be installed as per instructions in the links. This chapter contains a few Android specific notes and examples.ġ8.2 Android examples 18.2.1 Examples introduction Used to call from Android Java into C or C compiled code.Įverything in the Java chapter applies to generating code for access from Android Java code. The Android chapter is fairly short as support for Android is the same as for Java, where the Java Native Interface (JNI) is This chapter describes SWIG's support of Android.
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