IOS App内打开另外一个App

App1:

在info.plist文件中添加url identifier

App2:

在info.plist文件中设置LSApplicationQueriesSchemes

NSURL * myURL_APP_A = [NSURL URLWithString:@"com.xxxx.xxxxx"];

if ([[UIApplication sharedApplication] canOpenURL:myURL_APP_A]){

    NSLog(@"canOpenURL");

  [[UIApplication sharedApplication] openURL:myURL_APP_A];

}