1. 3D Touch的主要應(yīng)用
官方文檔給出的應(yīng)用介紹主要有兩塊:
1.A user can now press your Home screen icon to immediately access functionality provided by your app.
2.Within your app, a user can now press views to see previews of additional content and gain accelerated access to features.
第一部分的應(yīng)用是我們可以通過(guò)3D手勢(shì),在主屏幕上的應(yīng)用Icon處俱济,直接進(jìn)入應(yīng)用的響應(yīng)功能模塊奠宜。這個(gè)功能就例如我們上面的日歷示例,會(huì)在Icon旁邊出現(xiàn)一個(gè)菜單,點(diǎn)擊菜單我們可以進(jìn)入相應(yīng)的功能單元垃僚。
我個(gè)人理解霸妹,這個(gè)功能,push消息功能加上iOS8推出的擴(kuò)展today功能揭保,這三個(gè)機(jī)制使iOS應(yīng)用變得無(wú)比靈活方便肥橙,用戶可以不需付出尋找的時(shí)間成本來(lái)快速使用自己需要的功能。
第二部分是對(duì)app的一個(gè)優(yōu)化秸侣,用戶可以通過(guò)3D Touch手勢(shì)在view上來(lái)預(yù)覽一些預(yù)加載信息存筏,這樣的設(shè)計(jì)可以使app更加簡(jiǎn)潔大方,交互性也更強(qiáng)味榛。
2. 3D Touch的三大模塊
在我們的app中使用3D Touch功能椭坚,主要分為以下三個(gè)模塊:
1、Home Screen Quick Actions
通過(guò)主屏幕的應(yīng)用Icon搏色,我們可以用3D Touch呼出一個(gè)菜單善茎,進(jìn)行快速定位應(yīng)用功能模塊相關(guān)功能的開(kāi)發(fā)。如上面的日歷频轿。
2垂涯、peek and pop
這個(gè)功能是一套全新的用戶交互機(jī)制,在使用3D Touch時(shí)航邢,ViewController中會(huì)有如下三個(gè)交互階段:
(1)提示用戶這里有3D Touch的交互耕赘,會(huì)使交互控件周?chē):?/p>
(2)繼續(xù)深按,會(huì)出現(xiàn)預(yù)覽視圖
(3)通過(guò)視圖上的交互控件進(jìn)行進(jìn)一步交互
這個(gè)模塊的設(shè)計(jì)可以在網(wǎng)址連接上進(jìn)行網(wǎng)頁(yè)的預(yù)覽交互膳殷。
3.Force Properties
iOS9為我們提供了一個(gè)新的交互參數(shù):力度操骡。我們可以檢測(cè)某一交互的力度值,來(lái)做相應(yīng)的交互處理秽之。例如当娱,我們可以通過(guò)力度來(lái)控制快進(jìn)的快慢,音量增加的快慢等考榨。
必填項(xiàng)(下面兩個(gè)鍵值是必須設(shè)置的):
UIApplicationShortcutItemType?這個(gè)鍵值設(shè)置一個(gè)快捷通道類(lèi)型的字符串
UIApplicationShortcutItemTitle?這個(gè)鍵值設(shè)置標(biāo)簽的標(biāo)題
選填項(xiàng)(下面這些鍵值不是必須設(shè)置的):
UIApplicationShortcutItemSubtitle?設(shè)置標(biāo)簽的副標(biāo)題
UIApplicationShortcutItemIconType?設(shè)置標(biāo)簽Icon類(lèi)型
UIApplicationShortcutItemIconFile ?設(shè)置標(biāo)簽的Icon文件
② 動(dòng)態(tài)在?appdelegate 中實(shí)現(xiàn)
動(dòng)態(tài)標(biāo)簽是我們?cè)诔绦蛑校ㄟ^(guò)代碼添加的河质,與之相關(guān)的類(lèi)震叙,主要有三個(gè):
UIApplicationShortcutItem?創(chuàng)建3DTouch標(biāo)簽的類(lèi)
UIMutableApplicationShortcutItem?創(chuàng)建可變的3DTouch標(biāo)簽的類(lèi)
UIApplicationShortcutIcon?創(chuàng)建標(biāo)簽中圖片Icon的類(lèi)
因?yàn)檫@些類(lèi)是iOS9中新增加的類(lèi)散休,所以其api的復(fù)雜程度并不大媒楼,下面我們來(lái)對(duì)其中方法與屬性進(jìn)行簡(jiǎn)要講解:
@interface?UIApplicationShortcutItem?:?NSObject?
//下面是兩個(gè)初始化方法?通過(guò)設(shè)置type,title等屬性來(lái)創(chuàng)建一個(gè)標(biāo)簽戚丸,這里的icon是UIApplicationShortcutIcon對(duì)象,我們后面再說(shuō)
-?(instancetype)initWithType:(NSString?*)type?localizedTitle:(NSString?*)localizedTitle?localizedSubtitle:(nullable?NSString?*)localizedSubtitle?icon:(nullable?UIApplicationShortcutIcon?*)icon?userInfo:(nullable?NSDictionary?*)userInfo?NS_DESIGNATED_INITIALIZER;
-?(instancetype)initWithType:(NSString?*)type?localizedTitle:(NSString?*)localizedTitle;
//下面這是一些只讀的屬性夺颤,獲取相應(yīng)的屬性值
@property?(nonatomic,?copy,?readonly)?NSString?*type;
@property?(nonatomic,?copy,?readonly)?NSString?*localizedTitle;
@property?(nullable,?nonatomic,?copy,?readonly)?NSString?*localizedSubtitle;
@property?(nullable,?nonatomic,?copy,?readonly)?UIApplicationShortcutIcon?*icon;
@property?(nullable,?nonatomic,?copy,?readonly)?NSDictionary>?*userInfo;
//這個(gè)類(lèi)繼承于?UIApplicationShortcutItem,創(chuàng)建的標(biāo)簽可變
@interface?UIMutableApplicationShortcutItem?:?UIApplicationShortcutItem
@property?(nonatomic,?copy)?NSString?*type;
@property?(nonatomic,?copy)?NSString?*localizedTitle;
@property?(nullable,?nonatomic,?copy)?NSString?*localizedSubtitle;
@property?(nullable,?nonatomic,?copy)?UIApplicationShortcutIcon?*icon;
@property?(nullable,?nonatomic,?copy)?NSDictionary>?*userInfo;
@end
//這個(gè)類(lèi)創(chuàng)建標(biāo)簽中的icon
@interface?UIApplicationShortcutIcon?:?NSObject?
//創(chuàng)建系統(tǒng)風(fēng)格的icon
+?(instancetype)iconWithType:(UIApplicationShortcutIconType)type;
//創(chuàng)建自定義的圖片icon
+?(instancetype)iconWithTemplateImageName:(NSString?*)templateImageName;
@end
創(chuàng)建好標(biāo)簽后胁勺,將其添加如application的hortcutItems數(shù)組中即可世澜,示例如下:
-?(void)viewDidLoad?{
[super?viewDidLoad];
//?Do?any?additional?setup?after?loading?the?view,?typically?from?a?nib.
//創(chuàng)建
UIApplicationShortcutItem?*?item?=?[[UIApplicationShortcutItem?alloc]initWithType:@"two"localizedTitle:@"第二個(gè)標(biāo)簽"localizedSubtitle:@"看我哦"icon:[UIApplicationShortcutIcon?iconWithType:UIApplicationShortcutIconTypePlay]?userInfo:nil];
//添加
[UIApplication?sharedApplication].shortcutItems?=?@[item];
}
也可以在appdelegate 中寫(xiě)
UIApplicationShortcutIcon *icon1 = [UIApplicationShortcutIcon iconWithTemplateImageName:@"iCon1"];
UIApplicationShortcutIcon *icon2 = [UIApplicationShortcutIcon iconWithTemplateImageName:@"iCon2"];
UIApplicationShortcutIcon *icon3 = [UIApplicationShortcutIcon iconWithTemplateImageName:@"iCon3"];
// create several (dynamic) shortcut items
UIMutableApplicationShortcutItem
*item1 = [[UIMutableApplicationShortcutItem
alloc]initWithType:@"com.test.dynamic" localizedTitle:@"Dynamic
Shortcut" localizedSubtitle:@"available after first launch" icon:icon1
userInfo:nil];
UIMutableApplicationShortcutItem
*item2 = [[UIMutableApplicationShortcutItem
alloc]initWithType:@"com.test.deep1" localizedTitle:@"Deep Link 1"
localizedSubtitle:@"Launch Nav Controller" icon:icon2 userInfo:nil];
UIMutableApplicationShortcutItem
*item3 = [[UIMutableApplicationShortcutItem
alloc]initWithType:@"com.test.deep2" localizedTitle:@"Deep Link 2"
localizedSubtitle:@"Launch 2nd Level" icon:icon3 userInfo:nil];
// add all items to an array
NSArray *items = @[item1, item2, item3];
// add this array to the potentially existing static UIApplicationShortcutItems
NSArray *existingItems = [UIApplication sharedApplication].shortcutItems;
NSArray *updatedItems = [existingItems arrayByAddingObjectsFromArray:items];
[UIApplication sharedApplication].shortcutItems = updatedItems;
- (void)application:(UIApplication *)application
performActionForShortcutItem:(UIApplicationShortcutItem *)shortcutItem
completionHandler:(void (^)(BOOL))completionHandler
在控制器中pop peek
首先控制器該繼承UIViewControllerPreviewingDelegate應(yīng)該判斷該控制器當(dāng)前是否實(shí)現(xiàn)了3dtouch手勢(shì) 如果實(shí)現(xiàn)的話最好禁用長(zhǎng)按手勢(shì) (如果你的添加了該手勢(shì)的話)
if (self.traitCollection.forceTouchCapability == UIForceTouchCapabilityAvailable) {
[self registerForPreviewingWithDelegate:(id)self sourceView:self.view];
NSLog(@"3D Touch is available! Hurra!");
// no need for our alternative anymore
self.longPress.enabled = NO;
} else {
NSLog(@"3D Touch is not available on this device. Sniff!");
// handle a 3D Touch alternative (long gesture recognizer)
self.longPress.enabled = YES;
}
點(diǎn)擊進(jìn)入預(yù)覽模式: 實(shí)現(xiàn)該協(xié)議方法
- (UIViewController *)previewingContext:(id)previewingContext viewControllerForLocation:(CGPoint)location
繼續(xù)按壓進(jìn)入:實(shí)現(xiàn)該協(xié)議
- (void)previewingContext:(id)previewingContext commitViewController:(UIViewController *)viewControllerToCommit
預(yù)覽模式上拉實(shí)現(xiàn) :
我們預(yù)覽模式下上拉 出現(xiàn)一個(gè)視圖 ?該視圖類(lèi) apple提供了?UIPreviewAction 該類(lèi)來(lái)實(shí)現(xiàn)寥裂,調(diào)用
UIPreviewAction *action1 = [UIPreviewAction actionWithTitle:@"Action 1" style:UIPreviewActionStyleDefault handler:^(UIPreviewAction * _Nonnull action, UIViewController * _Nonnull previewViewController) {
NSLog(@"Action 1 triggered");
}];
回調(diào)中實(shí)現(xiàn)你要操作的行為
這個(gè)方法在 - (NSArray> *)previewActionItems ?中返回action 的數(shù)組
有趣的是?如果我們對(duì)action 繼續(xù)包裝一個(gè)數(shù)組 還是可以的