tttools/build/ios/main.m

//go:build ios
// Minimal bootstrap: delegate comes from Go archive (WailsAppDelegate)
#import <UIKit/UIKit.h>
#include <stdio.h>

int main(int argc, char * argv[]) {
    @autoreleasepool {
        // Disable buffering so stdout/stderr from Go log.Printf flush immediately
        setvbuf(stdout, NULL, _IONBF, 0);
        setvbuf(stderr, NULL, _IONBF, 0);

        // Call UIApplicationMain IMMEDIATELY and start NOTHING else here. Do not
        // start the Go runtime yet: starting it concurrently with UIApplicationMain
        // intermittently corrupts the FrontBoard launch handshake on a physical
        // device, so the app delegate's didFinishLaunchingWithOptions never fires
        // (blank cold launch / 0x8BADF00D). Instead, the WailsAppDelegate (provided
        // by the Go archive) starts the Go runtime itself from
        // didFinishLaunchingWithOptions — i.e. only AFTER UIKit has delivered the
        // launch — so the runtime never races the launch handshake.
        return UIApplicationMain(argc, argv, nil, @"WailsAppDelegate");
    }
}