Revert "Revert "Limit System SDK to 34 for Java modules in the v..."
Revert submission 2897568-revert-2894701-limit_systemsdk-WNEMOTGMRS
Reason for revert: Forward fix was merged
Reverted changes: /q/submissionid:2897568-revert-2894701-limit_systemsdk-WNEMOTGMRS
Change-Id: Id857406513fbf33a20e5d3836742ebd8a0105516
diff --git a/android/sdk_version.go b/android/sdk_version.go
index aafcee7..9c84a27 100644
--- a/android/sdk_version.go
+++ b/android/sdk_version.go
@@ -16,6 +16,7 @@
import (
"fmt"
+ "reflect"
"strconv"
"strings"
)
@@ -162,6 +163,17 @@
// If BOARD_CURRENT_API_LEVEL_FOR_VENDOR_MODULES has a numeric value,
// use it instead of "current" for the vendor partition.
currentSdkVersion := ctx.DeviceConfig().CurrentApiLevelForVendorModules()
+ // b/314011075: special case for Java modules in vendor partition. They can no longer use
+ // SDK 35 or later. Their maximum API level is limited to 34 (Android U). This is to
+ // discourage the use of Java APIs in the vendor partition which hasn't been officially
+ // supported since the Project Treble back in Android 10. We would like to eventually
+ // evacuate all Java modules from the partition, but that shall be done progressively.
+ // Note that the check for the availability of SDK 34 is to not break existing tests where
+ // any of the frozen SDK version is unavailable.
+ if isJava(ctx.Module()) && isSdkVersion34AvailableIn(ctx.Config()) {
+ currentSdkVersion = "34"
+ }
+
if currentSdkVersion == "current" {
return s
}
@@ -290,28 +302,79 @@
}
}
+// Checks if the use of this SDK `s` is valid for the given module context `ctx`.
func (s SdkSpec) ValidateSystemSdk(ctx EarlyModuleContext) bool {
- // Ensures that the specified system SDK version is one of BOARD_SYSTEMSDK_VERSIONS (for vendor/product Java module)
- // Assuming that BOARD_SYSTEMSDK_VERSIONS := 28 29,
- // sdk_version of the modules in vendor/product that use system sdk must be either system_28, system_29 or system_current
- if s.Kind != SdkSystem || s.ApiLevel.IsPreview() {
+ // Do some early checks. This check is currently only for Java modules. And our only concern
+ // is the use of "system" SDKs.
+ if !isJava(ctx.Module()) || s.Kind != SdkSystem {
return true
}
- allowedVersions := ctx.DeviceConfig().PlatformSystemSdkVersions()
- if ctx.DeviceSpecific() || ctx.SocSpecific() || (ctx.ProductSpecific() && ctx.Config().EnforceProductPartitionInterface()) {
- systemSdkVersions := ctx.DeviceConfig().SystemSdkVersions()
- if len(systemSdkVersions) > 0 {
- allowedVersions = systemSdkVersions
+
+ inVendor := ctx.DeviceSpecific() || ctx.SocSpecific()
+ inProduct := ctx.ProductSpecific()
+ isProductUnbundled := ctx.Config().EnforceProductPartitionInterface()
+ inApex := false
+ if am, ok := ctx.Module().(ApexModule); ok {
+ inApex = am.InAnyApex()
+ }
+ isUnbundled := inVendor || (inProduct && isProductUnbundled) || inApex
+
+ // Bundled modules can use any SDK
+ if !isUnbundled {
+ return true
+ }
+
+ // Unbundled modules are allowed to use BOARD_SYSTEMSDK_VERSIONS
+ supportedVersions := ctx.DeviceConfig().SystemSdkVersions()
+
+ // b/314011075: special case for vendor modules. Java modules in the vendor partition can
+ // not use SDK 35 or later. This is to discourage the use of Java APIs in the vendor
+ // partition which hasn't been officially supported since the Project Treble back in Android
+ // 10. We would like to eventually evacuate all Java modules from the partition, but that
+ // shall be done progressively.
+ if inVendor {
+ // 28 was the API when BOARD_SYSTEMSDK_VERSIONS was introduced, so that's the oldest
+ // we should allow.
+ supportedVersions = []string{}
+ for v := 28; v <= 34; v++ {
+ supportedVersions = append(supportedVersions, strconv.Itoa(v))
}
}
- if len(allowedVersions) > 0 && !InList(s.ApiLevel.String(), allowedVersions) {
+
+ // APEXes in the system partition are still considered as part of the platform, thus can use
+ // more SDKs from PLATFORM_SYSTEMSDK_VERSIONS
+ if inApex && !inVendor {
+ supportedVersions = ctx.DeviceConfig().PlatformSystemSdkVersions()
+ }
+
+ thisVer, err := s.EffectiveVersion(ctx)
+ if err != nil {
+ ctx.PropertyErrorf("sdk_version", "invalid sdk version %q", s.Raw)
+ return false
+ }
+
+ thisVerString := strconv.Itoa(thisVer.FinalOrPreviewInt())
+ if thisVer.IsPreview() {
+ thisVerString = *ctx.Config().productVariables.Platform_sdk_version_or_codename
+ }
+
+ if !InList(thisVerString, supportedVersions) {
ctx.PropertyErrorf("sdk_version", "incompatible sdk version %q. System SDK version should be one of %q",
- s.Raw, allowedVersions)
+ s.Raw, supportedVersions)
return false
}
return true
}
+func isJava(m Module) bool {
+ moduleType := reflect.TypeOf(m).String()
+ return strings.HasPrefix(moduleType, "*java.")
+}
+
+func isSdkVersion34AvailableIn(c Config) bool {
+ return c.PlatformSdkVersion().FinalInt() >= 34
+}
+
func init() {
RegisterMakeVarsProvider(pctx, javaSdkMakeVars)
}