build ios warning: incompatible pointer to integer conversion assigning to 'BOOL' (aka 'signed char') from 'id _Nullable'

[sm9i]

/Users/furun/.pub-cache/hosted/pub.flutter-io.cn/flutter_webview_plugin-0.3.4/ios/Classes/FlutterWebviewPlugin.m:83:22: warning: incompatible pointer to integer conversion assigning to 'BOOL' (aka 'signed char') from 'id _Nullable' [-Wint-conversion] _enableAppScheme = call.arguments[@"enableAppScheme"]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /Users/furun/.pub-cache/hosted/pub.flutter-io.cn/flutter_webview_plugin-0.3.4/ios/Classes/FlutterWebviewPlugin.m:252:24: warning: comparison of distinct pointer types ('NSString *' and 'NSNull * _Nonnull') [-Wcompare-distinct-pointer-types] if (_invalidUrlRegex != [NSNull null] && urlString != nil) { ~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~ /Users/furun/.pub-cache/hosted/pub.flutter-io.cn/flutter_webview_plugin-0.3.4/ios/Classes/FlutterWebviewPlugin.m:318:94: warning: values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead [-Wformat] [channel invokeMethod:@"onError" arguments:@{@"code": [NSString stringWithFormat:@"%ld", error.code], @"error": error.localizedDescription}]; ~~~ ^~~~~~~~~~ %ld (long)

[sm9i]

sorry,Somewhat chaotic

[anysunflower]

meet the issue too，already set info.plist

[anysunflower]

flutter doctor:

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel beta, v1.12.13+hotfix.6, on Mac OS X 10.15.2 19C57, locale zh-Hans-CN)
[✗] Android toolchain - develop for Android devices
    ✗ Unable to locate Android SDK.
      Install Android Studio from: https://developer.android.com/studio/index.html
      On first launch it will assist you in installing the Android SDK components.
      (or visit https://flutter.dev/setup/#android-setup for detailed instructions).
      If the Android SDK has been installed to a custom location, set ANDROID_HOME to that location.
      You may also want to add it to your PATH environment variable.


[✓] Xcode - develop for iOS and macOS (Xcode 11.3)
[!] Android Studio (not installed)
[✓] Connected device (1 available)

info.plist already set

Xcode target: iOS 10

my build report

Xcode's output:
↳
    /Users/Geek/work/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webview_plugin-0.3.10+1/ios/Classes/FlutterWebviewPlugin.m:92:22: warning: incompatible pointer to integer conversion assigning to
    'BOOL' (aka 'signed char') from 'id _Nullable' [-Wint-conversion]
        _enableAppScheme = call.arguments[@"enableAppScheme"];
                         ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    /Users/Geek/work/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webview_plugin-0.3.10+1/ios/Classes/FlutterWebviewPlugin.m:434:98: warning: values of type 'NSInteger' should not be used as format
    arguments; add an explicit cast to 'long' instead [-Wformat]
        [channel invokeMethod:@"onHttpError" arguments:@{@"code": [NSString stringWithFormat:@"%ld", error.code], @"url": url}];
                                                                                               ~~~   ^~~~~~~~~~
                                                                                               %ld   (long)
    /Users/Geek/work/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webview_plugin-0.3.10+1/ios/Classes/FlutterWebviewPlugin.m:442:98: warning: values of type 'NSInteger' should not be used as format
    arguments; add an explicit cast to 'long' instead [-Wformat]
        [channel invokeMethod:@"onHttpError" arguments:@{@"code": [NSString stringWithFormat:@"%ld", error.code], @"error": error.localizedDescription}];
                                                                                               ~~~   ^~~~~~~~~~
                                                                                               %ld   (long)
    /Users/Geek/work/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webview_plugin-0.3.10+1/ios/Classes/FlutterWebviewPlugin.m:450:106: warning: values of type 'NSInteger' should not be used as format
    arguments; add an explicit cast to 'long' instead [-Wformat]
                [channel invokeMethod:@"onHttpError" arguments:@{@"code": [NSString stringWithFormat:@"%ld", response.statusCode], @"url": webView.URL.absoluteString}];
                                                                                                       ~~~   ^~~~~~~~~~~~~~~~~~~
                                                                                                       %ld   (long)

[rfitz123]

Same issue, but with FLTFirebaseAuthPlugin. Any fixes?

[anysunflower]

Same issue, but with FLTFirebaseAuthPlugin. Any fixes?

I fixed all the error by following steps,you can have a try

reference

[awhitford]

I am using flutter_webview_plugin 0.3.11 with Flutter 1.17 and still see 4 warnings generated:

    /Users/anthony/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webview_plugin-0.3.11/ios/Classes/FlutterWebviewPlugin.m:92:22:
    warning: incompatible pointer to integer conversion assigning to 'BOOL' (aka 'signed char') from 'id _Nullable' [-Wint-conversion]
        _enableAppScheme = call.arguments[@"enableAppScheme"];
                         ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    /Users/anthony/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webview_plugin-0.3.11/ios/Classes/FlutterWebviewPlugin.m:434:98:
    warning: values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead [-Wformat]
        [channel invokeMethod:@"onHttpError" arguments:@{@"code": [NSString stringWithFormat:@"%ld", error.code], @"url": url}];
                                                                                               ~~~   ^~~~~~~~~~
                                                                                               %ld   (long)
    /Users/anthony/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webview_plugin-0.3.11/ios/Classes/FlutterWebviewPlugin.m:442:98:
    warning: values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead [-Wformat]
        [channel invokeMethod:@"onHttpError" arguments:@{@"code": [NSString stringWithFormat:@"%ld", error.code], @"error":
        error.localizedDescription}];
                                                                                               ~~~   ^~~~~~~~~~
                                                                                               %ld   (long)
    /Users/anthony/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_webview_plugin-0.3.11/ios/Classes/FlutterWebviewPlugin.m:450:106:
    warning: values of type 'NSInteger' should not be used as format arguments; add an explicit cast to 'long' instead [-Wformat]
                [channel invokeMethod:@"onHttpError" arguments:@{@"code": [NSString stringWithFormat:@"%ld", response.statusCode], @"url":
                webView.URL.absoluteString}];
                                                                                                       ~~~   ^~~~~~~~~~~~~~~~~~~
                                                                                                       %ld   (long)
    4 warnings generated.

[demsey2]

any update on this one will be appreciated

[gururaja-kambala]

same issue here, any update?