I use Google Gin and switch Ginjectors based on a form factor property in
my module XML so its basically the factory approach.
interface AppInjector extends Ginjector {
App getApp();
}
@GinModule(DesktopModule.class)
interface DesktopAppInjector extends AppInjector {}
// just for illustration you can also use custom multi valued config
properties of your *.gwt.xml file that contain full qualified class names
of gin modules
@GinModules(value = { TabletModule.class }, properties = {"common.config",
"tablet.config"})
interface TabletAppInjector extends AppInjector {}
Because you can not use GWT.create(AppInjector.class) to initialize GIN
(because of the GinModule annotations being defined on sub interfaces) you
need additional classes for deferred binding:
interface AppInjectorProvider {
AppInjector get();
}
class DesktopAppInjectorProvider implements AppInjectorProvider {
public AppInjector get() {
return GWT.create(DesktopAppInjector.class);
}
}
class TabletAppInjectorProvider implements AppInjectorProvider {
public AppInjector get() {
return GWT.create(TabletAppInjector.class);
}
}
And finally the entry point
class AppEntryPoint implements EntryPoint {
void onModuleLoad() {
AppInjectorProvider injector = GWT.create(AppInjectorProvider.class);
injector.get().getApp().start();
}
}
With the code above I can pretty much configure everything inside gin
modules.
For high resolution images its a lot better to extend the ClientBundle
mechanism. An example for retina images can be found
at https://github.com/kDCYorke/RetinaImages
In general I would recommend using vector icons (e.g. "Font Awesome" or
http://glyphicons.com/) so you don't need that retina image thing just for
icons.
-- J.
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