android: stability fixes and xposed api v101 (#531)

android/app/src/main/cpp/CMakeLists.txt

@@ -3,10 +3,61 @@ cmake_minimum_required(VERSION 3.22.1)
 project("l2c_fcr_hook")
 set(CMAKE_CXX_STANDARD 23)
 
-add_library(${CMAKE_PROJECT_NAME} SHARED
-        l2c_fcr_hook.cpp
-        l2c_fcr_hook.h)
+option(IS_XPOSED "Build Xposed components" OFF)
 
-target_link_libraries(${CMAKE_PROJECT_NAME}
+add_library(bluetooth_socket SHARED
+        bluetooth_socket.cpp
+)
+
+target_compile_options(bluetooth_socket PRIVATE
+        -O2
+        -fvisibility=hidden
+)
+
+target_link_options(bluetooth_socket PRIVATE
+        -Wl,--strip-all
+        -Wl,--gc-sections
+)
+
+target_link_libraries(bluetooth_socket
         android
-        log)
+        log
+)
+
+if(IS_XPOSED)
+
+    set(XPOSED_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../xposed/cpp)
+
+    add_library(l2c_fcr_hook SHARED
+            ${XPOSED_SRC_DIR}/l2c_fcr_hook.cpp
+
+            ${XPOSED_SRC_DIR}/xz/xz_crc32.c
+            ${XPOSED_SRC_DIR}/xz/xz_crc64.c
+            ${XPOSED_SRC_DIR}/xz/xz_sha256.c
+            ${XPOSED_SRC_DIR}/xz/xz_dec_stream.c
+            ${XPOSED_SRC_DIR}/xz/xz_dec_lzma2.c
+            ${XPOSED_SRC_DIR}/xz/xz_dec_bcj.c
+    )
+
+    target_include_directories(l2c_fcr_hook PRIVATE
+            ${XPOSED_SRC_DIR}
+            ${XPOSED_SRC_DIR}/xz
+    )
+
+    target_compile_definitions(l2c_fcr_hook PRIVATE
+            XZ_DEC_X86
+            XZ_DEC_ARM
+            XZ_DEC_ARMTHUMB
+            XZ_DEC_ARM64
+            XZ_DEC_ANY_CHECK
+            XZ_USE_CRC64
+            XZ_USE_SHA256
+            XZ_DEC_CONCATENATED
+    )
+
+    target_link_libraries(l2c_fcr_hook
+            android
+            log
+    )
+
+endif()