initEasyApp function

Future<void> initEasyApp({ bool? logToFile, VoidCallback? appBaseURLChangedCallback, void customExceptionReport(Object exception, StackTrace? stackTrace)?, String? logFileWrapSplitter, String? singleFileSizeLimit, int? singleFileHourLimit, })

可切环境、查看日志 additional arguments: --dart-define=app-debug-flag=true flutter run --release --dart-define=app-debug-flag=true

Implementation

Future<void> initEasyApp({
  bool? logToFile,
  VoidCallback? appBaseURLChangedCallback,
  void Function(Object exception, StackTrace? stackTrace)?
      customExceptionReport,
  String? logFileWrapSplitter,
  String? singleFileSizeLimit,
  int? singleFileHourLimit,
}) async {
  /// https://api.flutter-io.cn/flutter/dart-core/bool/bool.fromEnvironment.html
  const appDebugFlag = bool.fromEnvironment("app-debug-flag");
  isAppDebugFlag = appDebugFlag;
  _appBaseURLChangedCallback = appBaseURLChangedCallback;

  WidgetsFlutterBinding.ensureInitialized();

  BaseEasyLoading.instance.maskType = BaseEasyLoadingMaskType.black;

  final utils = await Future.wait([
    PackageInfoUtil.init(),
    SharedPreferencesUtil.init(),
  ]);

  if (!isWeb) {
    logToFile ??= isAppDebugFlag;
    logFile = LogFile(
      join((await getAppDocumentsDirectory()).path, "logs"),
      enable: logToFile,
      wrapSplitter: logFileWrapSplitter,
      singleFileSizeLimit: singleFileSizeLimit,
      singleFileHourLimit: singleFileHourLimit,
    );
    logDebug("logFile: ${logFile?.location}");
  }

  void localLogWriter(String text, {bool isError = false}) {
    if (isError) {
      logError(text);
    } else {
      logDebug(text);
    }
  }

  Get.config(
    enableLog: isDebug || isAppDebugFlag,
    logWriterCallback: localLogWriter,
  );

  logInfo("Init: $utils ${appChannel} ${gitBranch} ${gitCommit}");
  final network = await initSelectedBaseURLType();
  logInfo("Network: $network $kBaseURLType");

  appDocumentsDirectoryPath =
      isWeb ? "" : (await getAppDocumentsDirectory()).path;
  appTemporaryDirectoryPath =
      isWeb ? "" : (await getAppTemporaryDirectory()).path;
  appSupportDirectoryPath = isWeb ? "" : (await getAppSupportDirectory()).path;

  // 清除分享图片缓存
  clearShareDirectory();

  // 先将 onError 保存起来
  var onError = FlutterError.onError;
  // onError是FlutterError的一个静态属性，它有一个默认的处理方法 dumpErrorToConsole
  FlutterError.onError = (errorDetails) {
    if (customExceptionReport != null) {
      customExceptionReport.call(errorDetails.exception, errorDetails.stack);
    } else {
      logError("${errorDetails.exception}\n${errorDetails.stack}");
    }
    // 调用默认的onError处理
    onError?.call(errorDetails);
  };
  // 官方推荐使用
  PlatformDispatcher.instance.onError = (error, stack) {
    if (customExceptionReport != null) {
      customExceptionReport.call(error, stack);
    } else {
      logError("$error\n$stack");
    }
    return true;
  };
}