[aapt2] Use FeatureFlagsFilter in link command
The behavior of the filter depends on the minSdkVersion. If > UDC,
manifest elements will be untouched. Otherwise, they will be removed
depending on the value of the flag in the `android:featureFlag`
attribute.
Bug: 297373084
Test: atest aapt2_tests
Change-Id: Ib07c45752a4cc00bfdae7fedc745ce267ec7082a
diff --git a/tools/aapt2/cmd/Link.cpp b/tools/aapt2/cmd/Link.cpp
index cf4dd79..24699bf 100644
--- a/tools/aapt2/cmd/Link.cpp
+++ b/tools/aapt2/cmd/Link.cpp
@@ -56,6 +56,7 @@
#include "java/JavaClassGenerator.h"
#include "java/ManifestClassGenerator.h"
#include "java/ProguardRules.h"
+#include "link/FeatureFlagsFilter.h"
#include "link/Linkers.h"
#include "link/ManifestFixer.h"
#include "link/NoDefaultResourceRemover.h"
@@ -1986,6 +1987,19 @@
context_->SetNameManglerPolicy(NameManglerPolicy{context_->GetCompilationPackage()});
context_->SetSplitNameDependencies(app_info_.split_name_dependencies);
+ FeatureFlagsFilterOptions flags_filter_options;
+ if (context_->GetMinSdkVersion() > SDK_UPSIDE_DOWN_CAKE) {
+ // For API version > U, PackageManager will dynamically read the flag values and disable
+ // manifest elements accordingly when parsing the manifest.
+ // For API version <= U, we remove disabled elements from the manifest with the filter.
+ flags_filter_options.remove_disabled_elements = false;
+ flags_filter_options.flags_must_have_value = false;
+ }
+ FeatureFlagsFilter flags_filter(options_.feature_flag_values, flags_filter_options);
+ if (!flags_filter.Consume(context_, manifest_xml.get())) {
+ return 1;
+ }
+
// Override the package ID when it is "android".
if (context_->GetCompilationPackage() == "android") {
context_->SetPackageId(kAndroidPackageId);
@@ -2530,7 +2544,7 @@
}
for (const std::string& arg : all_feature_flags_args) {
- if (ParseFeatureFlagsParameter(arg, context.GetDiagnostics(), &options_.feature_flag_values)) {
+ if (!ParseFeatureFlagsParameter(arg, context.GetDiagnostics(), &options_.feature_flag_values)) {
return 1;
}
}