Support LOCAL_PACKAGE_SPLITS.
Support LOCAL_PACKAGE_SPLITS, which accepts a list of resource lables
and generates multiple apks. The build system sets up rules to sign and
zipalign the split apks.
Bug: 16319961
Change-Id: I344b3d1c7eb158c6d0df879093d666a89870aadd
diff --git a/core/.dex_preopt_odex_install.mk.swp b/core/.dex_preopt_odex_install.mk.swp
new file mode 100644
index 0000000..3b97846
--- /dev/null
+++ b/core/.dex_preopt_odex_install.mk.swp
Binary files differ
diff --git a/core/base_rules.mk b/core/base_rules.mk
index f40eae7..7663ee2 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -176,7 +176,6 @@
built_module_path := $(intermediates)
endif
LOCAL_BUILT_MODULE := $(built_module_path)/$(my_built_module_stem)
-built_module_path :=
ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
# Apk and its attachments reside in its own subdir.
diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 4fd2888..f23c4a6 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -23,6 +23,7 @@
LOCAL_OVERRIDES_PACKAGES:=
LOCAL_EXPORT_PACKAGE_RESOURCES:=
LOCAL_MANIFEST_PACKAGE_NAME:=
+LOCAL_PACKAGE_SPLITS:=
LOCAL_REQUIRED_MODULES:=
LOCAL_ACP_UNAVAILABLE:=
LOCAL_MODULE_TAGS:=
diff --git a/core/definitions.mk b/core/definitions.mk
index 6656591..e433b69 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1805,6 +1805,18 @@
$(hide) mv $@.aligned $@
endef
+# Build a split APK
+# The splti APKs are already built in the same command building the base APK.
+# We only need to do zipalign and signing etc.
+# This macro must be called with $(eval).
+# $(1): the path to the built split APK.
+# $(2): the path to the base APK.
+define build-split-apk
+$(1) : $(2)
+ $$(sign-package)
+ $$(align-package)
+endef
+
define install-dex-debug
$(hide) if [ -f "$(PRIVATE_INTERMEDIATES_DIR)/classes.dex" ]; then \
mkdir -p $(TOP)/dalvik/DEBUG-FILES; \
diff --git a/core/package_internal.mk b/core/package_internal.mk
index c76792d..a5b1142 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -68,6 +68,10 @@
LOCAL_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) -z
endif
+ifdef LOCAL_PACKAGE_SPLITS
+LOCAL_AAPT_FLAGS += $(addprefix --split ,$(LOCAL_PACKAGE_SPLITS))
+endif
+
ifeq (,$(LOCAL_ASSET_DIR))
LOCAL_ASSET_DIR := $(LOCAL_PATH)/assets
endif
@@ -403,6 +407,32 @@
$(hide) rm $@.input
endif
+###############################
+## APK splits
+ifdef LOCAL_PACKAGE_SPLITS
+built_apk_splits := $(foreach s,$(LOCAL_PACKAGE_SPLITS),$(built_module_path)/package_$(s).apk)
+installed_apk_splits := $(foreach s,$(LOCAL_PACKAGE_SPLITS),$(my_module_path)/$(LOCAL_MODULE)_$(s).apk)
+
+$(built_apk_splits): PRIVATE_PRIVATE_KEY := $(private_key)
+$(built_apk_splits): PRIVATE_CERTIFICATE := $(certificate)
+# The splits should have been built in the same command building the base apk.
+# This rule just establishes the dependency and make sure the splits are up to date.
+$(foreach s,$(built_apk_splits),\
+ $(eval $(call build-split-apk,$(s),$(LOCAL_BUILT_MODULE))))
+
+# Rules to install the splits
+$(foreach s,$(LOCAL_PACKAGE_SPLITS),\
+ $(eval $(call copy-one-file,$(built_module_path)/package_$(s).apk,$(my_module_path)/$(LOCAL_MODULE)_$(s).apk)))
+
+# Register the additional built and installed files.
+ALL_MODULES.$(my_register_name).INSTALLED += $(installed_apk_splits)
+ALL_MODULES.$(my_register_name).BUILT_INSTALLED += \
+ $(foreach s,$(LOCAL_PACKAGE_SPLITS),$(built_module_path)/package_$(s).apk:$(my_module_path)/$(LOCAL_MODULE)_$(s).apk)
+
+# Make sure to install the splits when you run "make <module_name>".
+$(my_register_name): $(installed_apk_splits)
+endif # LOCAL_PACKAGE_SPLITS
+
# Save information about this package
PACKAGES.$(LOCAL_PACKAGE_NAME).OVERRIDES := $(strip $(LOCAL_OVERRIDES_PACKAGES))
PACKAGES.$(LOCAL_PACKAGE_NAME).RESOURCE_FILES := $(all_resources)