判断APP是否已安装 _判断

知识的价值不在于占有，而在于使用。这篇文章主要讲述判断APP是否已安装相关的知识，希望能为你提供帮助。

NSString *str = [NSString stringWithFormat:@"%@://%@",[dic objectForKey:@"ios_url_scheme"],[dic objectForKey:@"app_bundle_id"]]; NSURL *app_url = [NSURL URLWithString:str]; BOOL hasInstalled = [[UIApplication sharedApplication] canOpenURL:app_url]; if (hasInstalled){ //说明此设备有安装app,打开APP if (APP_Version.doubleValue < = 10) { [[UIApplication sharedApplication] openURL:app_url]; }else{ [[UIApplication sharedApplication] openURL:app_url options:@{} completionHandler:nil]; } }else{ //说明此设备没有安装app,跳转APP_STORE NSString *link = [dic objectForKey:@"app_link_ios"]; if (link.length != 0) { NSString *link_pro = [link stringByReplacingOccurrencesOfString:@"https" withString:@"itms-apps"]; if (APP_Version.doubleValue < = 10) { [[UIApplication sharedApplication] openURL:[NSURL URLWithString:link_pro]]; }else{ [[UIApplication sharedApplication] openURL:[NSURL URLWithString:link_pro] options:@{} completionHandler:nil]; } } }

【判断APP是否已安装】