App Getting Crash When Click on Googlesignin Button

App getting crash when click on GoogleSignIn button

As the error clearly says, your app is missing support for the url schemes.

Add the following schemes to your info.plist

<key>CFBundleURLTypes</key>
<array>
    <dict>
        <key>CFBundleTypeRole</key>
        <string>Editor</string>
        <key>CFBundleURLSchemes</key>
        <array>
            <string>***Your bundle ID***</string>
        </array>
    </dict>
    <dict>
        <key>CFBundleTypeRole</key>
        <string>Editor</string>
        <key>CFBundleURLSchemes</key>
        <array>
            <string>com.googleusercontent.apps.107731993306-6s44u18onibp6gi0ddj94si1aifshhg6</string>
        </array>
    </dict>
    <dict>
        <key>CFBundleTypeRole</key>
        <string>Editor</string>
        <key>CFBundleURLSchemes</key>
        <array>
            <string>***Something here***</string>
        </array>
    </dict>
</array>

Check this url for your id => https://developers.google.com/identity/sign-in/ios/start-integrating

Your info.plist should look like ->

Google Sign in from different account crashes in the app

This line causes the error

String[] fullname = Objects.requireNonNull(google_name).split(" ");

If you want to get full name and then split it for first name and last name do this

String first_name ="",last_name="";
 String fullname = account.getDisplayName();
            try {
                if (fullname != null) {
                    if (!fullname.equalsIgnoreCase("")) {
                        String[] name_array = fullname.split(" ");
                        if (name_array.length > 0) {
                            first_name = name_array[0];
                            last_name = name_array[1];
                        }

                    }
                } else {
                    // do stuff
                }

            } catch (Exception e) {
                e.printStackTrace();
            }

Complete code snippet

String firstname="",lastname="";
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    callbackManager.onActivityResult(requestCode, resultCode, data);
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == GOOGLE_KEY_CODE) {
        Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
        try {
            GoogleSignInAccount account = task.getResult(ApiException.class);
            assert account != null;
            String google_email = account.getEmail();
            String google_name = account.getDisplayName();
           try {
                    if (google_name != null) {
                        if (!google_name.equalsIgnoreCase("")) {
                            String[] name_array = google_name.split(" ");
                            if (name_array.length > 0) {
                                firstname= name_array[0];
                                lastname = name_array[1];
                            }

                        }
                    } else {
                        // handle the null case in case user does not have display name in gmail account
                google_name = "";
                firstname= "";
                lastname = "";
                    }

                } catch (Exception e) {
                    e.printStackTrace();
                }

            if (google_email != null) {
                loginFromGmail(google_email, firstname, lastname);
                Log.d("google_email", google_email);
                Log.d("google_email", google_name);
            }
        } catch (ApiException e) {
            e.printStackTrace();
        }
    }
}

Google Sign In Crashes If Declined

As a good sign of developer always check for values which you want to use.
like if you want to user user object then check if user != nil don't go with if error == nil.

Here is my code for google sign in with firebase. Hope it'll help you.

func sign(_ signIn: GIDSignIn!, didSignInFor user: GIDGoogleUser!, withError error: Error?) {
        // ...
        if error != nil {
            // ...
            return
        }

        guard let authentication = user.authentication else { return }
        let credential = GoogleAuthProvider.credential(withIDToken: authentication.idToken,
                                                       accessToken: authentication.accessToken)
        Auth.auth().signIn(with: credential) { (user, error) in
            if user == nil {
                // ...
                return
            } else {
                print(user!.displayName ?? "")
                print(user!.email ?? "")
                print(user!.phoneNumber ?? "")
                // User is signed in
                // ...
            }
        }
    }

Your app is missing support for the following URL schemes: com .googleusercontent.apps.xxx'

Sorry to all, That was my mistake...There is an unwanted space I put there while declaring googleClienId in AppDelegate(GIDSignIn.sharedInstance().clientID = "241222885422-bquei744e1i8q3h0r82k7fm31fbuej7m.apps.googleusercontent.com ").The space after
".com" was my problem.It should be ( GIDSignIn.sharedInstance().clientID = "241222885422-bquei744e1i8q3h0r82k7fm31fbuej7m.apps.googleusercontent.com")like this.
Please be sure that you entering the clientId in proper way.

IOS crashes on Google SignIn React Native Expo 32

I found my answer here =>
https://stackoverflow.com/a/47290909/1840606

I still don't know why it was not creating the url type for me and I had to add it manually.

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