AAPT2: Produce Conditional Proguard Keep Rules
Add the option to produce keep rules that conditional keep based on
usage of R identifiers. This allows Proguard to potentially shrink more
code if resources are not used.
Currently only produces conditional rules for classes referenced in
layout resources because they are the most common and has the easiest
transitive usage chain to analyze.
Bug: 63628451
Test: make aapt2_tests and manual testing
Change-Id: I6c1af7affd64af40c80e004d8506a9463444b2c3
diff --git a/tools/aapt2/java/JavaClassGenerator.h b/tools/aapt2/java/JavaClassGenerator.h
index 18746ff..2541749 100644
--- a/tools/aapt2/java/JavaClassGenerator.h
+++ b/tools/aapt2/java/JavaClassGenerator.h
@@ -24,6 +24,7 @@
#include "ResourceTable.h"
#include "ResourceValues.h"
+#include "androidfw/StringPiece.h"
#include "process/IResourceTableConsumer.h"
#include "process/SymbolTable.h"
@@ -78,6 +79,8 @@
const std::string& getError() const;
+ static std::string TransformToFieldName(const android::StringPiece& symbol);
+
private:
bool SkipSymbol(SymbolState state);
bool SkipSymbol(const Maybe<SymbolTable::Symbol>& symbol);