iOS 喚起第三方App
iOS是一個(gè)封閉的系統(tǒng),應(yīng)用之間是不可以互相讀取文件的。
實(shí)現(xiàn)途徑:
URL Scheme是蘋(píng)果為方便app之間互相調(diào)用而設(shè)計(jì)的。
- 你可以通過(guò)一個(gè)類(lèi)似URL的鏈接,通過(guò)系統(tǒng)的OpenURL來(lái)喚起該App,并可以傳遞一些參數(shù)。
- 要求:每個(gè)URL必須能唯一標(biāo)識(shí)一個(gè)App,如果你設(shè)置的URL與別的APP的URL沖突,此時(shí),你的APP不一定會(huì)被調(diào)用起來(lái)。
例如:下列常用URL Scheme
//微信URLscheme
@"weixin://app/%@/pay/?nonceStr=%@&package=Sign%%3DWXPay&partnerId=%@&prepayId=%@&timeStamp=%@&sign=%@&signType=SHA1"
//高德地圖
@"iosamap://path?sourceApplication=ApplicationName&sid=BGVIS1&slat=%f&slon=%f&sname=當(dāng)前位置&did=BGVIS2&dlat=%f&dlon=%f&dname=%@&dev=0&m=0&t=0"
//百度地圖
@"baidumap://map/direction?origin=%f,%f&destination=latlng:%f,%f|name=%@&mode=driving&coord_type=gcj02"
//騰訊地圖
@"qqmap://map/routeplan?from=當(dāng)前位置&fromcoord=%f,%f&type=drive&tocoord=%f,%f&to=%@&coord_type=1&policy=0"
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://www.baidu.com"]]; //喚起瀏覽器 打開(kāi)網(wǎng)頁(yè)
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"sms://158********"]]; //喚起發(fā)送信心功能
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel://158********"]]; //喚起拔打電話(huà)功能
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto://362****@qq.com"]]; //喚起郵件功能
實(shí)例教學(xué): App1 喚起 App2
創(chuàng)建兩個(gè)app: App1喚起方 App2接收方
APP2_接收方需要做的事情:
(1)設(shè)置URL Scheme
-
第一種方法:info.plist
URL Schemes:唯一性
-
URL identifier:可以是任何值,但建議用“反域名”(例如 “com.fcplayer.testHello”)
配置URL Schemes_infoplist.png
-
第二種方法: Target—>Info—>URL Types
URL Schemes:唯一性
-
identifier:可以是任何值,但建議用“反域名”(例如 “com.fcplayer.testHello”)
配置URL Schemes_info.png?
(2) 在AppDelegate.m里面增加回調(diào)方法
#pragma mark --回調(diào)方法
/// iOS 9.0+
- (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<UIApplicationOpenURLOptionsKey,id> *)options
{
// Keys for application:openURL:options:
UIApplicationOpenURLOptionsSourceApplicationKey // value is an NSString containing the bundle ID of the originating application
UIApplicationOpenURLOptionsAnnotationKey // value is a property-list typed object corresponding to what the originating application passed in UIDocumentInteractionController's annotation property
UIApplicationOpenURLOptionsOpenInPlaceKey // value is a bool NSNumber, set to YES if the file needs to be copied before use
}
/// iOS 2.0–9.0
- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url
{
NSLog(@"URL scheme:%@", [url scheme]);
NSLog(@"URL query: %@", [url query]);
}
/// iOS 4.2–9.0
- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url sourceApplication:(NSString *)sourceApplication annotation:(id)annotation
{
//通過(guò)sourceApplication來(lái)判斷來(lái)自哪個(gè)app以決定要不要喚醒自己的app
if ([sourceApplication isEqualToString:@"Bundle identifier"])
{
NSLog(@"%@", sourceApplication); //來(lái)源于哪個(gè)app(Bundle identifier)
NSLog(@"scheme:%@", [url scheme]); //url scheme
NSLog(@"query: %@", [url query]); //可以通過(guò)[url query]來(lái)獲得查詢(xún)串 (傳遞參數(shù))
return YES;
}
else{
return NO;
}
}
APP1_喚起方需要做的事情:
1.喚起方法:
喚起方直接在點(diǎn)擊事件里調(diào)用喚起方法:
/// 三個(gè)方法:
/// iOS 3.0+
- (BOOL)canOpenURL:(NSURL *)url;
/// iOS 10.0+
- (void)openURL:(NSURL *)url options:(NSDictionary<NSString *,id> *)options completionHandler:(void (^)(BOOL success))completion;
/// iOS 2.0–10.0
- (BOOL)openURL:(NSURL *)url;
//e.g. 喚起第三方App
- (void)evokeOtherApp {
//app2是應(yīng)用的唯一的scheme
//scheme 必須是“app2://lanch” “weixin://app”類(lèi)似的格式:
NSURL *url = [NSURL URLWithString:@"app2://lanch?key=param"];
if ([[UIApplication sharedApplication] canOpenURL:url]) {
if ([[UIApplication sharedApplication] respondsToSelector:@selector(openURL:options:completionHandler:)]) {
//iOS 10.0+
[[UIApplication sharedApplication] openURL:url options:@{} completionHandler:^(BOOL success) {
}];
}else{
//iOS 2~10
[[UIApplication sharedApplication] openURL:url];
}
}
else
{
//一般是沒(méi)有安裝
NSLog(@"跳轉(zhuǎn)下載app鏈接");
}
}
2.sheme設(shè)置
如果你是iOS 9.0以上的系統(tǒng),有時(shí)候會(huì)報(bào)錯(cuò):
2017-01-05 11:06:24.343 APP1[235:48284] -canOpenURL: failed for URL: "app2://lanch?key=param" - error: "This app is not allowed to query for scheme app2"
因?yàn)椋篿OS 9.0以上的系統(tǒng)需要在“Info.plist”中將要使用的URL Schemes列為白名單,才可正常檢查喚起的第三方應(yīng)用是否安裝。受此影響,當(dāng)你的應(yīng)用在iOS 9中需要使用 QQ/QQ空間/支付寶/微信SDK 的相關(guān)能力時(shí),需要在“Info.plist”里增加白名單:
key>LSApplicationQueriesSchemes</key>
<array>
<!-- 微信 URL Scheme 白名單-->
<string>wechat</string>
<string>weixin</string>
<!-- 新浪微博 URL Scheme 白名單-->
<string>sinaweibohd</string>
<string>sinaweibo</string>
<string>sinaweibosso</string>
<string>weibosdk</string>
<string>weibosdk2.5</string>
<!-- QQ、Qzone URL Scheme 白名單-->
<string>mqqapi</string>
<string>mqq</string>
<string>mqqOpensdkSSoLogin</string>
<string>mqqconnect</string>
<string>mqqopensdkdataline</string>
<string>mqqopensdkgrouptribeshare</string>
<string>mqqopensdkfriend</string>
<string>mqqopensdkapi</string>
<string>mqqopensdkapiV2</string>
<string>mqqopensdkapiV3</string>
<string>mqzoneopensdk</string>
<string>wtloginmqq</string>
<string>wtloginmqq2</string>
<string>mqqwpa</string>
<string>mqzone</string>
<string>mqzonev2</string>
<string>mqzoneshare</string>
<string>wtloginqzone</string>
<string>mqzonewx</string>
<string>mqzoneopensdkapiV2</string>
<string>mqzoneopensdkapi19</string>
<string>mqzoneopensdkapi</string>
<string>mqzoneopensdk</string>
<!-- 支付寶 URL Scheme 白名單-->
<string>alipay</string>
<string>alipayshare</string>
</array>
解決方案:
(1)在Info.plist里,配置支持http協(xié)議:
<key>NSAppTransportSecurity</key>
<dict>
<key>NSAllowsArbitraryLoads</key>
<true/>
</dict>
`
(2)在Info.plist里,配置scheme到LSApplicationQueriesSchemes,也就是白名單:
<key>LSApplicationQueriesSchemes</key>
<array>
<string>app2</string>
<string>app3</string>
<string>app4</string>
</array>
(3)延伸...?
// 代碼動(dòng)態(tài)把key加入白名單(不可行)
var info = Bundle.main.infoDictionary
guard var array:[Any] = info?["LSApplicationQueriesSchemes"] as? [Any] else {return}
array.append(iosKey)
print(array)
var info2 = Bundle.main.infoDictionary
print(info2)

3.沒(méi)有安裝的處理
控制臺(tái)輸出錯(cuò)誤:
2017-01-05 11:22:30.741 APP1[252:51626] -canOpenURL: failed for URL: "app3://lanch?key=param" - error: "(null)"
2017-01-05 11:22:30.746 APP1[252:51626] -canOpenURL: failed for URL: "app3://lanch?key=param" - error: "(null)"
2017-01-05 11:22:30.746 APP1[252:51626] [[UIApplication sharedApplication] canOpenURL:url] = 0
一般是沒(méi)有安裝App,可以跳轉(zhuǎn)下載鏈接。
Demo下載地址:
鏈接: https://pan.baidu.com/s/1kViBtS7 密碼: kvid

