iSpectrum－用Java编写iPhone程序 1
?? ?官方提供的demo截图
?? ?先分析一下iSpectrum官方demo的框架
1 Launcher是程序入口，类似于main.m，实际上代码解构也差不多
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public void applicationDidFinishLaunching(UIApplication app) { UIWindow window = new UIWindow(); window.initWithFrame(UIScreen.mainScreen().bounds()); nav = new UINavigationController(); UIViewController ctr = new UIViewController(); ctr.init(); ctr.setTitle("Action sheet"); ctr.setView(new MainView(nav)); nav.initWithRootViewController(ctr); window.addSubview(nav.view()); window.makeKeyAndVisible(); }?2 看看mainview，没有delloc确实很爽，不过由于没有nib，所以只能用initWithFrame很原始的添加组件了。
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public class MainView extends UIView { /** * Fields */ private UIActionSheet actionSheet; private UINavigationController nav; /** * * @param n UINavigationController containing this view. */ public MainView(UINavigationController n){ super(); init(); nav = n; /* * ActionSheet */ actionSheet = new UIActionSheet(); actionSheet.init(); actionSheet.setActionSheetStyle(UIActionSheetStyle.UIActionSheetStyleBlackOpaque); actionSheet.setDelegate(new ActionSheetDelegate(this)); actionSheet.setTitle("How many items do you want to display ?"); actionSheet.addButtonWithTitle("Cancel"); actionSheet.setCancelButtonIndex(0); actionSheet.dismissWithClickedButtonIndexAnimated(0, true); actionSheet.addButtonWithTitle("One item"); actionSheet.addButtonWithTitle("Two items"); actionSheet.addButtonWithTitle("Three items"); actionSheet.addButtonWithTitle("Four items"); /* * Button * Being used to open the UIActionSheet. */ UIButton button = new UIButton(){ //@Override public void controlEvent() { // Display the UIActionSheet actionSheet.showInView(this.superview()); } }; button.initWithFrame(CGRect.CGRectMake(85, 30, 150, 31)); button.setBackgroundImageForState(UIImage.imageNamed("buttonBackground.tiff"), 0); button.setTitleForState("Create view", 0); button.setTitleColorForState(UIColor.blackColor(), 0); button.addTargetActionForControlEvents(UIControlEvents.UIControlEventTouchUpInside); addSubview(button); } /** * * @return nav Current UINavigationController. */ public UINavigationController getNavigationController(){ return nav; }}?3 同样也有delegation类
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public class ActionSheetDelegate extends UIActionSheetDelegate { /** * Field */ private MainView view; /** * * @param v MainView that create this object. */ public ActionSheetDelegate(MainView v){ super(); init(); view = v; } /** * Method called by system when user select a button on action sheet. * @param actionSheet ActionSheet calling this method. * @param buttonIndex Index of selected button. * */ //@Override public void actionSheetClickedButtonAtIndex(UIActionSheet actionSheet, int buttonIndex) { if(buttonIndex == 0){ // Click on "cancel" button return; } else { UIView newView = new UIView().init(); // Add to the new UIView as many subviews as user wants. for(int i=1; i<=buttonIndex; i++){ UIImageView imageView = new UIImageView(); imageView.initWithFrame(CGRect.CGRectMake(i*40, 100, 30, 30)); imageView.setImage(UIImage.imageNamed("img"+i+".tiff")); newView.addSubview(imageView); } UIViewController viewController = new UIViewController().init(); if(buttonIndex == 1) viewController.setTitle(buttonIndex + " added item"); else viewController.setTitle(buttonIndex + " added items"); viewController.setView(newView); // Push this new view into UINavigationController stack. view.getNavigationController().pushViewControllerAnimated(viewController, false); } } }?? ? 从简单的demo中似乎看不到有用java的必要，因为完全无法用到java中很多功能和开源的代码，而且受到插件开发者的限制。