Skip to main content

android_prebuilt_aar

android_prebuilt_aar​

def android_prebuilt_aar(
    *,
    name: str,
    default_target_platform: None | str = None,
    target_compatible_with: list[str] = [],
    compatible_with: list[str] = [],
    exec_compatible_with: list[str] = [],
    visibility: list[str] = [],
    within_view: list[str] = ["PUBLIC"],
    metadata: OpaqueMetadata = {},
    tests: list[str] = [],
    modifiers: OpaqueMetadata = [],
    _android_toolchain: str = "gh_facebook_buck2_shims_meta//:android",
    _apple_platforms: dict[str, str] = {},
    _build_only_native_code: bool = select({"prelude//android/constraints:build_only_native_code": True, "DEFAULT": False}),
    _dex_min_sdk_version: None | int = select({"prelude//android/constraints:min_sdk_version_19": 19, "prelude//android/constraints:min_sdk_version_20": 20, "prelude//android/constraints:min_sdk_version_21": 21, "prelude//android/constraints:min_sdk_version_22": 22, "prelude//android/constraints:min_sdk_version_23": 23, "prelude//android/constraints:min_sdk_version_24": 24, "prelude//android/constraints:min_sdk_version_25": 25, "prelude//android/constraints:min_sdk_version_26": 26, "prelude//android/constraints:min_sdk_version_27": 27, "prelude//android/constraints:min_sdk_version_28": 28, "prelude//android/constraints:min_sdk_version_29": 29, "prelude//android/constraints:min_sdk_version_30": 30, "prelude//android/constraints:min_sdk_version_31": 31, "prelude//android/constraints:min_sdk_version_32": 32, "prelude//android/constraints:min_sdk_version_33": 33, "prelude//android/constraints:min_sdk_version_34": 34, "prelude//android/constraints:min_sdk_version_35": 35, "DEFAULT": None}),
    _dex_toolchain: str = "gh_facebook_buck2_shims_meta//:dex",
    _exec_os_type: str = "prelude//os_lookup/targets:os_lookup",
    _java_toolchain: str = "gh_facebook_buck2_shims_meta//:java_for_android",
    aar: str,
    contacts: list[str] = [],
    default_host_platform: None | str = None,
    deps: list[str] = [],
    desugar_deps: list[str] = [],
    dex_weight_factor: int = 1,
    for_primary_apk: bool = False,
    javadoc_url: None | str = None,
    labels: list[str] = [],
    licenses: list[str] = [],
    maven_coords: None | str = None,
    required_for_source_only_abi: bool = True,
    source_jar: None | str = None,
    use_system_library_loader: bool = False,
) -> None

An android_prebuilt_aar() rule takes an .aar file and makes it available as an Android dependency. As expected, an android_binary() that transitively depends on an android_prebuilt_aar() will include its contents in the generated APK.

Parameters​

  • name: name of the target
  • default_target_platform: specifies the default target platform, used when no platforms are specified on the command line
  • target_compatible_with: a list of constraints that are required to be satisfied for this target to be compatible with a configuration
  • compatible_with: a list of constraints that are required to be satisfied for this target to be compatible with a configuration
  • exec_compatible_with: a list of constraints that are required to be satisfied for this target to be compatible with an execution platform
  • visibility: a list of visibility patterns restricting what targets can depend on this one
  • within_view: a list of visibility patterns restricting what this target can depend on
  • metadata: a key-value map of metadata associated with this target
  • tests: a list of targets that provide tests for this one
  • modifiers: an array of modifiers associated with this target
  • aar: Path to the .aar file. This may also be a build target to a rule (such as a genrule()) whose output is an .aar file.
  • javadoc_url: URL to the Javadoc for the .class files in the aar.
  • source_jar: Path to a JAR file that contains the .java files to create the .class in the aar. This is frequently provided for debugging purposes.
  • use_system_library_loader: If this .aar file contains native prebuilt .so libraries and the Java code uses these libraries via a call to System.loadLibrary(), then many optimizations—such as exopackage, compression, or asset packaging—may not be compatible with these prebuilt libs. Setting this parameter to True causes all of these optimizations to skip the prebuilt .so files originating from this .aar file. The .so files will always be packaged directly into the main .apk.

Details​

See the official Android documentation for details about the .aar format.

Examples:


android_prebuilt_aar(
  name = 'play-services',
  aar = 'play-services-4.0.30.aar',
  source_jar = 'play-services-4.0.30-sources.jar',
  javadoc_url = 'file:///opt/android-sdk/extras/google/google_play_services/docs/reference',
)

android_library(
  name = 'lib',
  # This Java code can compile against Play services and reference its resources.
  srcs = glob(['*.java']),
  deps = [ ':play-services' ],
)