Use module_extension for androidsdk & prepare bzlmod for example/basi…

…capp

.bazelci/presubmit.yml

@@ -103,3 +103,12 @@ tasks:
       <<: *rules_flags
     build_targets:
       - "//java/com/basicapp:basic_app"
+  basicapp_bzlmod:
+    platform: ubuntu2004
+    name: basicapp Bzlmod
+    working_directory: examples/basicapp
+    build_flags:
+      <<: *rules_flags
+      ? "--enable_bzlmod"
+    build_targets:
+      - "//java/com/basicapp:basic_app"

BUILD

@@ -53,3 +53,31 @@ platform(
             "@platforms//os:android",
         ],
 )
+
+# TODO: remove these alias when we no longer needs bind in WORKSPACE.bzlmod
+# Because @androidsdk is not defined in WORKSPACE.bzl, where the only valid place
+# we can call native function bind. Using these alias to forward the binding.
+alias(
+    name = "androidsdk_sdk",
+    actual = "@androidsdk//:sdk",
+)
+
+alias(
+    name = "androidsdk_d8_jar_import",
+    actual = "@androidsdk//:d8_jar_import",
+)
+
+alias(
+    name = "androidsdk_dx_jar_import",
+    actual = "@androidsdk//:dx_jar_import",
+)
+
+alias(
+    name = "androidsdk_files",
+    actual = "@androidsdk//:files",
+)
+
+alias(
+    name = "androidsdk_has_android_sdk",
+    actual = "@androidsdk//:has_android_sdk",
+)

MODULE.bazel

@@ -98,4 +98,15 @@ git_override(
   module_name = "rules_robolectric",
   remote = "https://github.com/robolectric/robolectric-bazel",
   commit = "a5b25a8c27cc6add74bb01e62cd0dc72df8933ff",
-)
+)
+
+android_sdk_repository_extension = use_extension("//rules/android_sdk_repository:rule.bzl", "android_sdk_repository_extension")
+use_repo(android_sdk_repository_extension, "androidsdk")
+
+register_toolchains("@androidsdk//:sdk-toolchain")
+register_toolchains("@androidsdk//:all")
+
+register_toolchains(
+    "@androidsdk//:sdk-toolchain",
+    "@androidsdk//:all",
+)

WORKSPACE.bzlmod

@@ -2,14 +2,18 @@ workspace(name = "rules_android")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
-load("//rules:rules.bzl", "android_sdk_repository")
-
-maybe(
-    android_sdk_repository,
-    name = "androidsdk",
-)
 
 maybe(
     android_ndk_repository,
     name = "androidndk",
 )
+
+# load("//rules/android_sdk_repository:rule.bzl", "android_sdk_repository")
+# android_sdk_repository(name = "androidsdk")
+
+# Temporary until we break all //external:android dependency
+bind(name = "android/sdk", actual = "//:androidsdk_sdk")
+bind(name = "android/d8_jar_import", actual = "//:androidsdk_d8_jar_import")
+bind(name = "android/dx_jar_import", actual = "//:androidsdk_dx_jar_import")
+bind(name = "android_sdk_for_testing", actual = "//:androidsdk_files")
+bind(name = "has_android_sdk", actual = "//:androidsdk_has_android_sdk")

examples/basicapp/BUILD

@@ -1 +1,27 @@
-# Empty build file to satisfy gazelle for rules_go.
+# Empty build file to satisfy gazelle for rules_go.
+
+# TODO: remove these alias when ../..//BUILD remove them
+alias(
+    name = "androidsdk_sdk",
+    actual = "@androidsdk//:sdk",
+)
+
+alias(
+    name = "androidsdk_d8_jar_import",
+    actual = "@androidsdk//:d8_jar_import",
+)
+
+alias(
+    name = "androidsdk_dx_jar_import",
+    actual = "@androidsdk//:dx_jar_import",
+)
+
+alias(
+    name = "androidsdk_files",
+    actual = "@androidsdk//:files",
+)
+
+alias(
+    name = "androidsdk_has_android_sdk",
+    actual = "@androidsdk//:has_android_sdk",
+)

examples/basicapp/MODULE.bazel

@@ -7,3 +7,27 @@ bazel_dep(name = "rules_jvm_external", version = "4.5")
 bazel_dep(name = "bazel_skylib", version = "1.3.0")
 remote_android_extensions = use_extension("@bazel_tools//tools/android:android_extensions.bzl", "remote_android_tools_extensions")
 use_repo(remote_android_extensions, "android_gmaven_r8", "android_tools")
+
+
+bazel_dep(
+    name = "rules_android",
+    version = "0.1.1",
+)
+
+local_path_override(
+    module_name = "rules_android",
+    path = "../../",
+)
+
+register_toolchains(
+    "@rules_android//toolchains/android:android_default_toolchain",
+    "@rules_android//toolchains/android_sdk:android_sdk_tools",
+)
+
+android_sdk_repository_extension = use_extension("@rules_android//rules/android_sdk_repository:rule.bzl", "android_sdk_repository_extension")
+use_repo(android_sdk_repository_extension, "androidsdk")
+
+register_toolchains(
+    "@androidsdk//:sdk-toolchain",
+    "@androidsdk//:all",
+)

examples/basicapp/WORKSPACE.bzlmod

@@ -1,21 +1,16 @@
-local_repository(
-    name = "rules_android",
-    path = "../..", # rules_android's WORKSPACE relative to this inner workspace
-)
+workspace(name = "basicapp")
 
-load("@rules_android//:prereqs.bzl", "rules_android_prereqs")
-rules_android_prereqs()
-load("@rules_android//:defs.bzl", "rules_android_workspace")
-rules_android_workspace()
-
-load("@rules_android//rules:rules.bzl", "android_sdk_repository")
-android_sdk_repository(
-    name = "androidsdk",
-)
-
-register_toolchains(
-    "@rules_android//toolchains/android:android_default_toolchain",
-    "@rules_android//toolchains/android_sdk:android_sdk_tools",
-)
+# local_repository(
+#    name = "rules_android",
+#    path = "../../"
+# )
 
+# load("@rules_android//rules/android_sdk_repository:rule.bzl", "android_sdk_repository")
+# android_sdk_repository(name = "androidsdk")
 
+# Temporary until we break all //external:android dependency
+bind(name = "android/sdk", actual = "@//:androidsdk_sdk")
+bind(name = "android/d8_jar_import", actual = "@//:androidsdk_d8_jar_import")
+bind(name = "android/dx_jar_import", actual = "@//:androidsdk_dx_jar_import")
+bind(name = "android_sdk_for_testing", actual = "//:androidsdk_files")
+bind(name = "has_android_sdk", actual = "//:androidsdk_has_android_sdk")

rules/android_sdk_repository/rule.bzl

@@ -209,3 +209,35 @@ def android_sdk_repository(
 
     native.register_toolchains("@%s//:sdk-toolchain" % name)
     native.register_toolchains("@%s//:all" % name)
+
+def _android_sdk_repository_extension_impl(module_ctx):
+    root_modules = [m for m in module_ctx.modules if m.is_root and m.tags.configure]
+    if len(root_modules) > 1:
+        fail("Expected at most one root module, found {}".format(", ".join([x.name for x in root_modules])))
+
+    if root_modules:
+        module = root_modules[0]
+    else:
+        module = module_ctx.modules[0]
+
+    kwargs = {}
+    if module.tags.configure:
+        kwargs["api_level"] = module.tags.configure[0].api_level
+        kwargs["build_tools_version"] = module.tags.configure[0].build_tools_version
+        kwargs["path"] = module.tags.configure[0].path
+
+    _android_sdk_repository(
+        name = "androidsdk",
+        **kwargs
+    )
+
+android_sdk_repository_extension = module_extension(
+    implementation = _android_sdk_repository_extension_impl,
+    tag_classes = {
+        "configure": tag_class(attrs = {
+            "path": attr.string(),
+            "api_level": attr.int(),
+            "build_tools_version": attr.string(),
+        }),
+    },
+)