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How to create a native window in Xcode and integrate it with a Mobile Flex application. The native window should act similar as the StageWebView component whereby the native content floats in a rectangular area over the rest of the Flex app.
Being a flex programmer, this was a tedious process that took me weeks to figure out. Hope this will helps some other Xcode newbies.
First of all, you must have a basic understanding of Objective-C and Xcode. You should be able to create a simple Hello World Xcode program. Once you know how to do this, you’ll see that for each visual window you’ll typically have a xib file, a header file and an implementation file. I found that it is easier to start of writing a normal Xcode application, and then once it is working and looking like it should, you manually pull these 3 files (and of course the helper files) over to your Xcode static library project. So, moving on, I’m going to assume that you’re past this step. Here are some step by step instructions on how to integrate Xcode and Flex mobile, using ANE:
Delete FWAne.h file. Replace contents of FWAne.m file with the following:
'#import "FloatingWindow.h" '#import "FlashRuntimeExtensions.h" FREObject openFloatingWindow(FREContext ctx, void* funcData, uint32_t argc, FREObject argv[] ) { uint32_t parm0Length, parm1Length, parm2Length, parm3Length, parm4Length, parm5Length, parm6Length, parm7Length, parm8Length, parm9Length, parm10Length, parm11Length, parm12Length, parm13Length; const uint8_t *uparm0, *uparm1, *uparm2, *uparm3, *uparm4, *uparm5, *uparm6, *uparm7, *uparm8, *uparm9, *uparm10, *uparm11, *uparm12, *uparm13; FREGetObjectAsUTF8(argv[0], &parm0Length, &uparm0); NSString* parm0 = [NSString stringWithUTF8String:(char*)uparm0]; // FREGetObjectAsUTF8(argv[1], &parm1Length, &uparm1); // NSString* parm1 = [NSString stringWithUTF8String:(char*)uparm1]; // FREGetObjectAsUTF8(argv[2], &parm2Length, &uparm2); // NSString* parm2 = [NSString stringWithUTF8String:(char*)uparm2]; // FREGetObjectAsUTF8(argv[3], &parm3Length, &uparm3); // NSString* parm3 = [NSString stringWithUTF8String:(char*)uparm3]; // FREGetObjectAsUTF8(argv[4], &parm4Length, &uparm4); // NSString* parm4 = [NSString stringWithUTF8String:(char*)uparm4]; // FREGetObjectAsUTF8(argv[5], &parm5Length, &uparm5); // NSString* parm5 = [NSString stringWithUTF8String:(char*)uparm5]; // FREGetObjectAsUTF8(argv[6], &parm6Length, &uparm6); // NSString* parm6 = [NSString stringWithUTF8String:(char*)uparm6]; // FREGetObjectAsUTF8(argv[7], &parm7Length, &uparm7); // NSString* parm7 = [NSString stringWithUTF8String:(char*)uparm7]; // FREGetObjectAsUTF8(argv[8], &parm8Length, &uparm8); // NSString* parm8 = [NSString stringWithUTF8String:(char*)uparm8]; // FREGetObjectAsUTF8(argv[9], &parm9Length, &uparm9); // NSString* parm9 = [NSString stringWithUTF8String:(char*)uparm9]; // FREGetObjectAsUTF8(argv[10], &parm10Length, &uparm10); // NSString* parm10 = [NSString stringWithUTF8String:(char*)uparm10]; // FREGetObjectAsUTF8(argv[11], &parm11Length, &uparm11); // NSString* parm11 = [NSString stringWithUTF8String:(char*)uparm11]; // FREGetObjectAsUTF8(argv[12], &parm12Length, &uparm12); // NSString* parm12 = [NSString stringWithUTF8String:(char*)uparm12]; // FREGetObjectAsUTF8(argv[13], &parm13Length, &uparm13); // NSString* parm13 = [NSString stringWithUTF8String:(char*)uparm13];}
// ContextFinalizer().
void ContextFinalizer(FREContext ctx)
{
NSLog(@"ContextFinalizer");
//Cleanup Here.
return;
}
// ContextInitializer()
void ContextInitializer(void* extData, const uint8_t* ctxType, FREContext ctx,
uint32_t* numFunctionsToTest, const FRENamedFunction** functionsToSet)
{
NSLog(@"ContextInitializer");
*numFunctionsToTest = 1;
}
// ExtInitializer()
void ExtInitializer(void** extDataToSet, FREContextInitializer* ctxInitializerToSet,
FREContextFinalizer* ctxFinalizerToSet)
{
NSLog(@"ExtInitializer");
*extDataToSet = NULL;
*ctxInitializerToSet = &ContextInitializer;
*ctxFinalizerToSet = &ContextFinalizer;
}
// ExtFinalizer()
void ExtFinalizer(void* extData) {
NSLog(@"ExtFinalizer");
// Do Cleanup here.
return;
}
Add the FlashRuntimeExtensions.h to your Xcode project. This file exists under the /Applications/Adobe Flash Builder 4.6/sdks/4.6.0/include folder
Create your class that will use ExtensionContext to wire the Flex code to your Xcode code like so:
package fwane { import flash.events.EventDispatcher; import flash.events.StatusEvent; import flash.external.ExtensionContext;}
Build the FWAne swc
Next, you are going to require a build script to compile your ANE. Here’s my build.sh script:
Important to note about my build script: The xibs are compiled to nibs, and then these nibs together with other resource files (such as images) are then included in the ANE. Remember that static libs cannot contain resource files.
You would also require an ios-platformoptions.xml file. This is to include all frameworks you require. You can also include any additional 3rd party libs with their search paths here:
<platform xmlns="http://ns.adobe.com/air/extension/3.1"> <sdkVersion>5.0</sdkVersion> <linkerOptions> <option>-framework Foundation</option> <option>-framework UIKit</option> <option>-framework QuartzCore</option> <option>-framework CoreGraphics</option> <!--option>-lthirdparty</option> <option>-L/searhPath/for/thirdlibrary</option--> </linkerOptions> </platform>Now, in FlashBuilder, create a sample test application project. Go to project properties. In Flex build path, make sure the ane is added. Also under Flex Build Packaging -> Apple iOS -> Native extensions the ANE is added there and package is checked. Also add the Apple iOS SDK folder under native extensions. Finally, check that the extension is added in the -app.xml file.
Hope this helps
C