# FlutterDartProject

Objective-C

    @interface FlutterDartProject : NSObject

Swift

    class FlutterDartProject : NSObject

A set of Flutter and Dart assets used by a `FlutterEngine` to initialize execution.

- `-initWithPrecompiledDartBundle:`

  Initializes a Flutter Dart project from a bundle.

  #### Declaration

  Objective-C

      - (nonnull instancetype)initWithPrecompiledDartBundle:
          (nullable NSBundle *)bundle;

  Swift

      init(precompiledDartBundle bundle: Bundle?)

- `-initFromDefaultSourceForConfiguration`

  Unavailable

  Use -init instead.

  Unavailable - use `init` instead.

  #### Declaration

  Objective-C

      - (nonnull instancetype)initFromDefaultSourceForConfiguration;

- `+lookupKeyForAsset:`

  Returns the file name for the given asset. If the bundle with the identifier “io.flutter.flutter.app” exists, it will try use that bundle; otherwise, it will use the main bundle. To specify a different bundle, use `-lookupKeyForAsset:asset:fromBundle`.

  #### Declaration

  Objective-C

      + (nonnull NSString *)lookupKeyForAsset:(nonnull NSString *)asset;

  Swift

      class func lookupKey(forAsset asset: String) -> String

  #### Parameters

  `asset` | The name of the asset. The name can be hierarchical.

  #### Return Value

  the file name to be used for lookup in the main bundle.

- `+lookupKeyForAsset:fromBundle:`

  Returns the file name for the given asset. The returned file name can be used to access the asset in the supplied bundle.

  #### Declaration

  Objective-C

      + (nonnull NSString *)lookupKeyForAsset:(nonnull NSString *)asset
                                   fromBundle:(nullable NSBundle *)bundle;

  Swift

      class func lookupKey(forAsset asset: String, from bundle: Bundle?) -> String

  #### Parameters

  `asset` | The name of the asset. The name can be hierarchical.
  `bundle` | The `NSBundle` to use for looking up the asset.

  #### Return Value

  the file name to be used for lookup in the main bundle.

- `+lookupKeyForAsset:fromPackage:`

  Returns the file name for the given asset which originates from the specified package. The returned file name can be used to access the asset in the application’s main bundle.

  #### Declaration

  Objective-C

      + (nonnull NSString *)lookupKeyForAsset:(nonnull NSString *)asset
                                  fromPackage:(nonnull NSString *)package;

  Swift

      class func lookupKey(forAsset asset: String, fromPackage package: String) -> String

  #### Parameters

  `asset` | The name of the asset. The name can be hierarchical.
  `package` | The name of the package from which the asset originates.

  #### Return Value

  the file name to be used for lookup in the main bundle.

- `+lookupKeyForAsset:fromPackage:fromBundle:`

  Returns the file name for the given asset which originates from the specified package. The returned file name can be used to access the asset in the specified bundle.

  #### Declaration

  Objective-C

      + (nonnull NSString *)lookupKeyForAsset:(nonnull NSString *)asset
                                  fromPackage:(nonnull NSString *)package
                                   fromBundle:(nullable NSBundle *)bundle;

  Swift

      class func lookupKey(forAsset asset: String, fromPackage package: String, from bundle: Bundle?) -> String

  #### Parameters

  `asset` | The name of the asset. The name can be hierarchical.
  `package` | The name of the package from which the asset originates.
  `bundle` | The bundle to use when doing the lookup.

  #### Return Value

  the file name to be used for lookup in the main bundle.

- `+defaultBundleIdentifier`

  Returns the default identifier for the bundle where we expect to find the Flutter Dart application.

  #### Declaration

  Objective-C

      + (nonnull NSString *)defaultBundleIdentifier;

  Swift

      class func defaultBundleIdentifier() -> String

© 2023 Flutter. All rights reserved. (Last updated: 2023-03-20)

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