Merge "AAPT2: Workaround for feature splits without namespacing"

This commit is contained in:
TreeHugger Robot
2017-11-10 01:27:34 +00:00
committed by Android (Google) Code Review
9 changed files with 70 additions and 16 deletions

View File

@@ -26,6 +26,6 @@ LOCAL_APK_LIBRARIES := FeatureSplitBase
LOCAL_RES_LIBRARIES := FeatureSplitBase
LOCAL_AAPT_FLAGS += --package-id 0x80
LOCAL_AAPT_FLAGS += --rename-manifest-package com.android.test.split.feature
LOCAL_AAPT_FLAGS += --custom-package com.android.test.split.feature.one
include $(BUILD_PACKAGE)

View File

@@ -15,13 +15,13 @@
-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.test.split.feature.one"
package="com.android.test.split.feature"
featureSplit="feature1">
<uses-sdk android:minSdkVersion="21" />
<application>
<activity android:name=".One" android:label="Feature One">
<activity android:name=".one.One" android:label="Feature One">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />

View File

@@ -20,7 +20,7 @@
<integer name="test_integer2">200</integer>
<color name="test_color2">#00ff00</color>
<string-array name="string_array2">
<item>@*com.android.test.split.feature:string/app_title</item>
<item>@string/app_title</item>
</string-array>
</resources>

View File

@@ -26,6 +26,6 @@ LOCAL_APK_LIBRARIES := FeatureSplitBase
LOCAL_RES_LIBRARIES := FeatureSplitBase
LOCAL_AAPT_FLAGS += --package-id 0x81
LOCAL_AAPT_FLAGS += --rename-manifest-package com.android.test.split.feature
LOCAL_AAPT_FLAGS += --custom-package com.android.test.split.feature.two
include $(BUILD_PACKAGE)

View File

@@ -15,7 +15,7 @@
-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.android.test.split.feature.two"
package="com.android.test.split.feature"
featureSplit="feature2">
<uses-sdk android:minSdkVersion="21" />

View File

@@ -18,7 +18,7 @@
<integer name="test_integer3">300</integer>
<color name="test_color3">#0000ff</color>
<string-array name="string_array3">
<item>@*com.android.test.split.feature:string/app_title</item>
<item>@string/app_title</item>
</string-array>
</resources>

View File

@@ -118,7 +118,7 @@ bool Reference::Equals(const Value* value) const {
bool Reference::Flatten(android::Res_value* out_value) const {
const ResourceId resid = id.value_or_default(ResourceId(0));
const bool dynamic = resid.is_valid_dynamic() && resid.package_id() != kFrameworkPackageId &&
resid.package_id() != kAppPackageId;
resid.package_id() < kAppPackageId;
if (reference_type == Reference::Type::kResource) {
if (dynamic) {

View File

@@ -795,6 +795,9 @@ class LinkCommand {
for (auto& entry : asset_source->GetAssignedPackageIds()) {
if (entry.first > kFrameworkPackageId && entry.first < kAppPackageId) {
final_table_.included_packages_[entry.first] = entry.second;
} else if (entry.first == kAppPackageId) {
// Capture the included base feature package.
included_feature_base_ = entry.second;
}
}
@@ -1465,11 +1468,48 @@ class LinkCommand {
return false;
}
if (!FlattenTable(table, options_.output_format, writer)) {
context_->GetDiagnostics()->Error(DiagMessage() << "failed to write resource table");
return false;
// Hack to fix b/68820737.
// We need to modify the ResourceTable's package name, but that should NOT affect
// anything else being generated, which includes the Java classes.
// If required, the package name is modifed before flattening, and then modified back
// to its original name.
ResourceTablePackage* package_to_rewrite = nullptr;
if (context_->GetPackageId() > kAppPackageId &&
included_feature_base_ == make_value(context_->GetCompilationPackage())) {
// The base APK is included, and this is a feature split. If the base package is
// the same as this package, then we are building an old style Android Instant Apps feature
// split and must apply this workaround to avoid requiring namespaces support.
package_to_rewrite = table->FindPackage(context_->GetCompilationPackage());
if (package_to_rewrite != nullptr) {
CHECK_EQ(1u, table->packages.size()) << "can't change name of package when > 1 package";
std::string new_package_name =
StringPrintf("%s.%s", package_to_rewrite->name.c_str(),
app_info_.split_name.value_or_default("feature").c_str());
if (context_->IsVerbose()) {
context_->GetDiagnostics()->Note(
DiagMessage() << "rewriting resource package name for feature split to '"
<< new_package_name << "'");
}
package_to_rewrite->name = new_package_name;
}
}
return true;
bool success = FlattenTable(table, options_.output_format, writer);
if (package_to_rewrite != nullptr) {
// Change the name back.
package_to_rewrite->name = context_->GetCompilationPackage();
if (package_to_rewrite->id) {
table->included_packages_.erase(package_to_rewrite->id.value());
}
}
if (!success) {
context_->GetDiagnostics()->Error(DiagMessage() << "failed to write resource table");
}
return success;
}
int Run(const std::vector<std::string>& input_files) {
@@ -1498,8 +1538,8 @@ class LinkCommand {
return 1;
}
const AppInfo& app_info = maybe_app_info.value();
context_->SetMinSdkVersion(app_info.min_sdk_version.value_or_default(0));
app_info_ = maybe_app_info.value();
context_->SetMinSdkVersion(app_info_.min_sdk_version.value_or_default(0));
context_->SetNameManglerPolicy(NameManglerPolicy{context_->GetCompilationPackage()});
@@ -1699,7 +1739,7 @@ class LinkCommand {
// Generate an AndroidManifest.xml for each split.
std::unique_ptr<xml::XmlResource> split_manifest =
GenerateSplitManifest(app_info, *split_constraints_iter);
GenerateSplitManifest(app_info_, *split_constraints_iter);
XmlReferenceLinker linker;
if (!linker.Consume(context_, split_manifest.get())) {
@@ -1799,6 +1839,8 @@ class LinkCommand {
LinkContext* context_;
ResourceTable final_table_;
AppInfo app_info_;
std::unique_ptr<TableMerger> table_merger_;
// A pointer to the FileCollection representing the filesystem (not archives).
@@ -1816,6 +1858,9 @@ class LinkCommand {
// The set of shared libraries being used, mapping their assigned package ID to package name.
std::map<size_t, std::string> shared_libs_;
// The package name of the base application, if it is included.
Maybe<std::string> included_feature_base_;
};
int Link(const std::vector<StringPiece>& args, IDiagnostics* diagnostics) {

View File

@@ -23,6 +23,7 @@
#include "android-base/logging.h"
#include "android-base/macros.h"
#include "android-base/stringprintf.h"
#include "ResourceTable.h"
#include "ResourceValues.h"
@@ -579,7 +580,15 @@ bool TableFlattener::Consume(IAaptContext* context, ResourceTable* table) {
// Write a self mapping entry for this package if the ID is non-standard (0x7f).
const uint8_t package_id = package->id.value();
if (package_id != kFrameworkPackageId && package_id != kAppPackageId) {
table->included_packages_[package_id] = package->name;
auto result = table->included_packages_.insert({package_id, package->name});
if (!result.second && result.first->second != package->name) {
// A mapping for this package ID already exists, and is a different package. Error!
context->GetDiagnostics()->Error(
DiagMessage() << android::base::StringPrintf(
"can't map package ID %02x to '%s'. Already mapped to '%s'", package_id,
package->name.c_str(), result.first->second.c_str()));
return false;
}
}
}