iOS Scheme应用跳转

scheme.png

URL Schemes Array可以设置多个

- (IBAction)toSchemeBTap:(UIButton *)sender {
    
    NSString *urlStr = @"SchemeB://?message=schemeA";
    NSURL *url = [NSURL URLWithString:urlStr];
    if ([[UIApplication sharedApplication] canOpenURL:url]) {
        [[UIApplication sharedApplication] openURL:url options: @{} completionHandler:nil];
    }else{
        NSLog(@"跳转schemeB不存在");
    }
}

#import "AppDelegate+Scheme.h"
#import "NSString+query.h"

@implementation AppDelegate (Scheme)

- (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<UIApplicationOpenURLOptionsKey,id> *)options{
    
//    NSLog(@"url: \n%@,options: \n %@, \n 参数: %@", url, options, [url.absoluteString getParamsWithUrlString]);
    NSDictionary *dict = [url.absoluteString getParamsWithUrlString].lastObject;
    NSString *fromScheme = [NSString stringWithFormat:@"%@://", dict[@"message"]];
    NSURL *schemeUrl = [NSURL URLWithString: fromScheme];
    if ([[UIApplication sharedApplication] canOpenURL:schemeUrl]) {
        [[UIApplication sharedApplication] openURL:schemeUrl options: @{} completionHandler:nil];
    }
    
    return YES;
}

@end

#import "NSString+query.h"

@implementation NSString (query)

/**
 
 获取url中的参数并返回
 
 @return @[NSString:无参数url, NSDictionary:参数字典]
 
 */

- (NSArray*)getParamsWithUrlString {
    
    if(self.length==0) {
        
        NSLog(@"链接为空！");
        
        return @[@"",@{}];
        
    }
    
    
    
    //先截取问号
    
    NSArray*allElements = [self componentsSeparatedByString:@"?"];
    
    NSMutableDictionary *params = [NSMutableDictionary dictionary];//待set的参数字典
    
    
    
    if(allElements.count==2) {
        
        //有参数或者?后面为空
        
        NSString*myUrlString = allElements[0];
        
        NSString*paramsString = allElements[1];
        
        
        
        //获取参数对
        
        NSArray*paramsArray = [paramsString componentsSeparatedByString:@"&"];
        
        
        
        if(paramsArray.count>=2) {
            
            
            
            for(NSInteger i =0; i < paramsArray.count; i++) {
                
                
                
                NSString*singleParamString = paramsArray[i];
                
                NSArray*singleParamSet = [singleParamString componentsSeparatedByString:@"="];
                
                
                
                if(singleParamSet.count==2) {
                    
                    NSString*key = singleParamSet[0];
                    
                    NSString*value = singleParamSet[1];
                    
                    
                    
                    if(key.length>0|| value.length>0) {
                        
                        [params setObject:value.length>0?value:@""forKey:key.length>0?key:@""];
                        
                    }
                    
                }
                
            }
            
        }else if(paramsArray.count==1) {
            
            //无 &。url只有?后一个参数
            
            NSString*singleParamString = paramsArray[0];
            
            NSArray*singleParamSet = [singleParamString componentsSeparatedByString:@"="];
            
            
            
            if(singleParamSet.count==2) {
                
                NSString*key = singleParamSet[0];
                
                NSString*value = singleParamSet[1];
                
                
                
                if(key.length>0|| value.length>0) {
                    
                    [params setObject:value.length>0?value:@""forKey:key.length>0?key:@""];
                    
                }
                
            }else{
                
                //问号后面啥也没有 xxxx?  无需处理
                
            }
            
        }
        
        
        
        //整合url及参数
        
        return@[myUrlString,params];
        
    }else if(allElements.count>2) {
        
        NSLog(@"链接不合法！链接包含多个\"?\"");
        
        return @[@"",@{}];
        
    }else{
        
        NSLog(@"链接不包含参数！");
        
        return@[self, @{}];
        
    }
    
    
    
}

@end