fix: Add build script and fix manifest

- Add build-apk.sh for easy compilation
- Simplify AndroidManifest.xml
- Fix themes.xml to use basic Android themes
- Enable BuildConfig
- Add okhttp-dnsoverhttps dependency

android-sdk/platforms/android-34/optional/libbinder_ndk_cpp/android/binder_auto_utils.h

@@ -0,0 +1,403 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup NdkBinder
+ * @{
+ */
+
+/**
+ * @file binder_auto_utils.h
+ * @brief These objects provide a more C++-like thin interface to the binder.
+ */
+
+#pragma once
+
+#include <android/binder_ibinder.h>
+#include <android/binder_internal_logging.h>
+#include <android/binder_parcel.h>
+#include <android/binder_status.h>
+#include <assert.h>
+#include <unistd.h>
+
+#include <cstddef>
+#include <iostream>
+#include <string>
+
+namespace ndk {
+
+/**
+ * Represents one strong pointer to an AIBinder object.
+ */
+class SpAIBinder {
+   public:
+    /**
+     * Default constructor.
+     */
+    SpAIBinder() : mBinder(nullptr) {}
+
+    /**
+     * Takes ownership of one strong refcount of binder.
+     */
+    explicit SpAIBinder(AIBinder* binder) : mBinder(binder) {}
+
+    /**
+     * Convenience operator for implicitly constructing an SpAIBinder from nullptr. This is not
+     * explicit because it is not taking ownership of anything.
+     */
+    SpAIBinder(std::nullptr_t) : SpAIBinder() {}  // NOLINT(google-explicit-constructor)
+
+    /**
+     * This will delete the underlying object if it exists. See operator=.
+     */
+    SpAIBinder(const SpAIBinder& other) { *this = other; }
+
+    /**
+     * This deletes the underlying object if it exists. See set.
+     */
+    ~SpAIBinder() { set(nullptr); }
+
+    /**
+     * This takes ownership of a binder from another AIBinder object but it does not affect the
+     * ownership of that other object.
+     */
+    SpAIBinder& operator=(const SpAIBinder& other) {
+        if (this == &other) {
+            return *this;
+        }
+        AIBinder_incStrong(other.mBinder);
+        set(other.mBinder);
+        return *this;
+    }
+
+    /**
+     * Takes ownership of one strong refcount of binder
+     */
+    void set(AIBinder* binder) {
+        AIBinder* old = *const_cast<AIBinder* volatile*>(&mBinder);
+        if (old != nullptr) AIBinder_decStrong(old);
+        if (old != *const_cast<AIBinder* volatile*>(&mBinder)) {
+            __assert(__FILE__, __LINE__, "Race detected.");
+        }
+        mBinder = binder;
+    }
+
+    /**
+     * This returns the underlying binder object for transactions. If it is used to create another
+     * SpAIBinder object, it should first be incremented.
+     */
+    AIBinder* get() const { return mBinder; }
+
+    /**
+     * This allows the value in this class to be set from beneath it. If you call this method and
+     * then change the value of T*, you must take ownership of the value you are replacing and add
+     * ownership to the object that is put in here.
+     *
+     * Recommended use is like this:
+     *   SpAIBinder a;  // will be nullptr
+     *   SomeInitFunction(a.getR());  // value is initialized with refcount
+     *
+     * Other usecases are discouraged.
+     *
+     */
+    AIBinder** getR() { return &mBinder; }
+
+    bool operator!=(const SpAIBinder& rhs) const { return get() != rhs.get(); }
+    bool operator<(const SpAIBinder& rhs) const { return get() < rhs.get(); }
+    bool operator<=(const SpAIBinder& rhs) const { return get() <= rhs.get(); }
+    bool operator==(const SpAIBinder& rhs) const { return get() == rhs.get(); }
+    bool operator>(const SpAIBinder& rhs) const { return get() > rhs.get(); }
+    bool operator>=(const SpAIBinder& rhs) const { return get() >= rhs.get(); }
+
+   private:
+    AIBinder* mBinder = nullptr;
+};
+
+namespace impl {
+
+/**
+ * This baseclass owns a single object, used to make various classes RAII.
+ */
+template <typename T, void (*Destroy)(T), T DEFAULT>
+class ScopedAResource {
+   public:
+    /**
+     * Takes ownership of t.
+     */
+    explicit ScopedAResource(T t = DEFAULT) : mT(t) {}
+
+    /**
+     * This deletes the underlying object if it exists. See set.
+     */
+    ~ScopedAResource() { set(DEFAULT); }
+
+    /**
+     * Takes ownership of t.
+     */
+    void set(T t) {
+        Destroy(mT);
+        mT = t;
+    }
+
+    /**
+     * This returns the underlying object to be modified but does not affect ownership.
+     */
+    T get() { return mT; }
+
+    /**
+     * This returns the const underlying object but does not affect ownership.
+     */
+    const T get() const { return mT; }
+
+    /**
+     * Release the underlying resource.
+     */
+    [[nodiscard]] T release() {
+        T a = mT;
+        mT = DEFAULT;
+        return a;
+    }
+
+    /**
+     * This allows the value in this class to be set from beneath it. If you call this method and
+     * then change the value of T*, you must take ownership of the value you are replacing and add
+     * ownership to the object that is put in here.
+     *
+     * Recommended use is like this:
+     *   ScopedAResource<T> a; // will be nullptr
+     *   SomeInitFunction(a.getR()); // value is initialized with refcount
+     *
+     * Other usecases are discouraged.
+     *
+     */
+    T* getR() { return &mT; }
+
+    // copy-constructing/assignment is disallowed
+    ScopedAResource(const ScopedAResource&) = delete;
+    ScopedAResource& operator=(const ScopedAResource&) = delete;
+
+    // move-constructing/assignment is okay
+    ScopedAResource(ScopedAResource&& other) noexcept : mT(std::move(other.mT)) {
+        other.mT = DEFAULT;
+    }
+    ScopedAResource& operator=(ScopedAResource&& other) noexcept {
+        set(other.mT);
+        other.mT = DEFAULT;
+        return *this;
+    }
+
+   private:
+    T mT;
+};
+
+}  // namespace impl
+
+/**
+ * Convenience wrapper. See AParcel.
+ */
+class ScopedAParcel : public impl::ScopedAResource<AParcel*, AParcel_delete, nullptr> {
+   public:
+    /**
+     * Takes ownership of a.
+     */
+    explicit ScopedAParcel(AParcel* a = nullptr) : ScopedAResource(a) {}
+    ~ScopedAParcel() {}
+    ScopedAParcel(ScopedAParcel&&) = default;
+    ScopedAParcel& operator=(ScopedAParcel&&) = default;
+
+    bool operator!=(const ScopedAParcel& rhs) const { return get() != rhs.get(); }
+    bool operator<(const ScopedAParcel& rhs) const { return get() < rhs.get(); }
+    bool operator<=(const ScopedAParcel& rhs) const { return get() <= rhs.get(); }
+    bool operator==(const ScopedAParcel& rhs) const { return get() == rhs.get(); }
+    bool operator>(const ScopedAParcel& rhs) const { return get() > rhs.get(); }
+    bool operator>=(const ScopedAParcel& rhs) const { return get() >= rhs.get(); }
+};
+
+/**
+ * Convenience wrapper. See AStatus.
+ */
+class ScopedAStatus : public impl::ScopedAResource<AStatus*, AStatus_delete, nullptr> {
+   public:
+    /**
+     * Takes ownership of a.
+     *
+     * WARNING: this constructor is only expected to be used when reading a
+     *     status value. Use `ScopedAStatus::ok()` instead.
+     */
+    explicit ScopedAStatus(AStatus* a = nullptr) : ScopedAResource(a) {}
+    ~ScopedAStatus() {}
+    ScopedAStatus(ScopedAStatus&&) = default;
+    ScopedAStatus& operator=(ScopedAStatus&&) = default;
+
+    /**
+     * See AStatus_isOk.
+     */
+    bool isOk() const { return get() != nullptr && AStatus_isOk(get()); }
+
+    /**
+     * See AStatus_getExceptionCode
+     */
+    binder_exception_t getExceptionCode() const { return AStatus_getExceptionCode(get()); }
+
+    /**
+     * See AStatus_getServiceSpecificError
+     */
+    int32_t getServiceSpecificError() const { return AStatus_getServiceSpecificError(get()); }
+
+    /**
+     * See AStatus_getStatus
+     */
+    binder_status_t getStatus() const { return AStatus_getStatus(get()); }
+
+    /**
+     * See AStatus_getMessage
+     */
+    const char* getMessage() const { return AStatus_getMessage(get()); }
+
+    std::string getDescription() const {
+#ifdef __ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__
+        if (__builtin_available(android 30, *)) {
+#endif
+
+#if defined(__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__) || __ANDROID_API__ >= 30
+            const char* cStr = AStatus_getDescription(get());
+            std::string ret = cStr;
+            AStatus_deleteDescription(cStr);
+            return ret;
+#endif
+
+#ifdef __ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__
+        }
+#endif
+
+        binder_exception_t exception = getExceptionCode();
+        std::string desc = std::to_string(exception);
+        if (exception == EX_SERVICE_SPECIFIC) {
+            desc += " (" + std::to_string(getServiceSpecificError()) + ")";
+        } else if (exception == EX_TRANSACTION_FAILED) {
+            desc += " (" + std::to_string(getStatus()) + ")";
+        }
+        if (const char* msg = getMessage(); msg != nullptr) {
+            desc += ": ";
+            desc += msg;
+        }
+        return desc;
+    }
+
+    /**
+     * Convenience methods for creating scoped statuses.
+     */
+    static ScopedAStatus ok() { return ScopedAStatus(AStatus_newOk()); }
+    static ScopedAStatus fromExceptionCode(binder_exception_t exception) {
+        return ScopedAStatus(AStatus_fromExceptionCode(exception));
+    }
+    static ScopedAStatus fromExceptionCodeWithMessage(binder_exception_t exception,
+                                                      const char* message) {
+        return ScopedAStatus(AStatus_fromExceptionCodeWithMessage(exception, message));
+    }
+    static ScopedAStatus fromServiceSpecificError(int32_t serviceSpecific) {
+        return ScopedAStatus(AStatus_fromServiceSpecificError(serviceSpecific));
+    }
+    static ScopedAStatus fromServiceSpecificErrorWithMessage(int32_t serviceSpecific,
+                                                             const char* message) {
+        return ScopedAStatus(AStatus_fromServiceSpecificErrorWithMessage(serviceSpecific, message));
+    }
+    static ScopedAStatus fromStatus(binder_status_t status) {
+        return ScopedAStatus(AStatus_fromStatus(status));
+    }
+};
+
+static inline std::ostream& operator<<(std::ostream& os, const ScopedAStatus& status) {
+    return os << status.getDescription();
+    return os;
+}
+
+/**
+ * Convenience wrapper. See AIBinder_DeathRecipient.
+ */
+class ScopedAIBinder_DeathRecipient
+    : public impl::ScopedAResource<AIBinder_DeathRecipient*, AIBinder_DeathRecipient_delete,
+                                   nullptr> {
+   public:
+    /**
+     * Takes ownership of a.
+     */
+    explicit ScopedAIBinder_DeathRecipient(AIBinder_DeathRecipient* a = nullptr)
+        : ScopedAResource(a) {}
+    ~ScopedAIBinder_DeathRecipient() {}
+    ScopedAIBinder_DeathRecipient(ScopedAIBinder_DeathRecipient&&) = default;
+    ScopedAIBinder_DeathRecipient& operator=(ScopedAIBinder_DeathRecipient&&) = default;
+};
+
+/**
+ * Convenience wrapper. See AIBinder_Weak.
+ */
+class ScopedAIBinder_Weak
+    : public impl::ScopedAResource<AIBinder_Weak*, AIBinder_Weak_delete, nullptr> {
+   public:
+    /**
+     * Takes ownership of a.
+     */
+    explicit ScopedAIBinder_Weak(AIBinder_Weak* a = nullptr) : ScopedAResource(a) {}
+    ~ScopedAIBinder_Weak() {}
+    ScopedAIBinder_Weak(ScopedAIBinder_Weak&&) = default;
+    ScopedAIBinder_Weak& operator=(ScopedAIBinder_Weak&&) = default;
+
+    /**
+     * See AIBinder_Weak_promote.
+     */
+    SpAIBinder promote() const { return SpAIBinder(AIBinder_Weak_promote(get())); }
+};
+
+namespace internal {
+
+static void closeWithError(int fd) {
+    if (fd == -1) return;
+    int ret = close(fd);
+    if (ret != 0) {
+        syslog(LOG_ERR, "Could not close FD %d: %s", fd, strerror(errno));
+    }
+}
+
+}  // namespace internal
+
+/**
+ * Convenience wrapper for a file descriptor.
+ */
+class ScopedFileDescriptor : public impl::ScopedAResource<int, internal::closeWithError, -1> {
+   public:
+    /**
+     * Takes ownership of a.
+     */
+    ScopedFileDescriptor() : ScopedFileDescriptor(-1) {}
+    explicit ScopedFileDescriptor(int a) : ScopedAResource(a) {}
+    ~ScopedFileDescriptor() {}
+    ScopedFileDescriptor(ScopedFileDescriptor&&) = default;
+    ScopedFileDescriptor& operator=(ScopedFileDescriptor&&) = default;
+
+    ScopedFileDescriptor dup() const { return ScopedFileDescriptor(::dup(get())); }
+
+    bool operator!=(const ScopedFileDescriptor& rhs) const { return get() != rhs.get(); }
+    bool operator<(const ScopedFileDescriptor& rhs) const { return get() < rhs.get(); }
+    bool operator<=(const ScopedFileDescriptor& rhs) const { return get() <= rhs.get(); }
+    bool operator==(const ScopedFileDescriptor& rhs) const { return get() == rhs.get(); }
+    bool operator>(const ScopedFileDescriptor& rhs) const { return get() > rhs.get(); }
+    bool operator>=(const ScopedFileDescriptor& rhs) const { return get() >= rhs.get(); }
+};
+
+}  // namespace ndk
+
+/** @} */

android-sdk/platforms/android-34/optional/libbinder_ndk_cpp/android/binder_enums.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup NdkBinder
+ * @{
+ */
+
+/**
+ * @file binder_enums.h
+ * @brief Helpers for AIDL enum types.
+ */
+
+#pragma once
+
+#include <iterator>
+#include <type_traits>
+
+namespace ndk {
+
+namespace internal {
+/**
+ * Never instantiated. Used as a placeholder for template variables.
+ */
+template <typename T>
+struct invalid_type;
+
+/**
+ * AIDL generates specializations of this for enums.
+ */
+template <typename EnumType, typename = std::enable_if_t<std::is_enum<EnumType>::value>>
+constexpr invalid_type<EnumType> enum_values;
+}  // namespace internal
+
+/**
+ * Iterable interface to enumerate all values of AIDL enum types.
+ */
+template <typename EnumType, typename = std::enable_if_t<std::is_enum<EnumType>::value>>
+struct enum_range {
+    /**
+     * Return an iterator pointing to the first enum value.
+     */
+    constexpr auto begin() const { return std::begin(internal::enum_values<EnumType>); }
+    /**
+     * Return an iterator pointing to one past the last enum value.
+     */
+    constexpr auto end() const { return std::end(internal::enum_values<EnumType>); }
+};
+
+}  // namespace ndk
+
+/** @} */

android-sdk/platforms/android-34/optional/libbinder_ndk_cpp/android/binder_interface_utils.h

@@ -0,0 +1,377 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup NdkBinder
+ * @{
+ */
+
+/**
+ * @file binder_interface_utils.h
+ * @brief This provides common C++ classes for common operations and as base classes for C++
+ * interfaces.
+ */
+
+#pragma once
+
+#include <android/binder_auto_utils.h>
+#include <android/binder_ibinder.h>
+
+#if __has_include(<android/binder_shell.h>)
+#include <android/binder_shell.h>
+#define HAS_BINDER_SHELL_COMMAND
+#endif  //_has_include
+
+#include <assert.h>
+
+#include <memory>
+#include <mutex>
+
+namespace ndk {
+
+/**
+ * Binder analog to using std::shared_ptr for an internally held refcount.
+ *
+ * ref must be called at least one time during the lifetime of this object. The recommended way to
+ * construct this object is with SharedRefBase::make.
+ *
+ * If you need a "this" shared reference analogous to shared_from_this, use this->ref().
+ */
+class SharedRefBase {
+   public:
+    SharedRefBase() {}
+    virtual ~SharedRefBase() {
+        std::call_once(mFlagThis, [&]() {
+            __assert(__FILE__, __LINE__, "SharedRefBase: no ref created during lifetime");
+        });
+
+        if (ref() != nullptr) {
+            __assert(__FILE__, __LINE__,
+                     "SharedRefBase: destructed but still able to lock weak_ptr. Is this object "
+                     "double-owned?");
+        }
+    }
+
+    /**
+     * A shared_ptr must be held to this object when this is called. This must be called once during
+     * the lifetime of this object.
+     */
+    std::shared_ptr<SharedRefBase> ref() {
+        std::shared_ptr<SharedRefBase> thiz = mThis.lock();
+
+        std::call_once(mFlagThis, [&]() { mThis = thiz = std::shared_ptr<SharedRefBase>(this); });
+
+        return thiz;
+    }
+
+    /**
+     * Convenience method for a ref (see above) which automatically casts to the desired child type.
+     */
+    template <typename CHILD>
+    std::shared_ptr<CHILD> ref() {
+        return std::static_pointer_cast<CHILD>(ref());
+    }
+
+    /**
+     * Convenience method for making an object directly with a reference.
+     */
+    template <class T, class... Args>
+    static std::shared_ptr<T> make(Args&&... args) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+        T* t = new T(std::forward<Args>(args)...);
+#pragma clang diagnostic pop
+        // warning: Potential leak of memory pointed to by 't' [clang-analyzer-unix.Malloc]
+        return t->template ref<T>();  // NOLINT(clang-analyzer-unix.Malloc)
+    }
+
+    static void operator delete(void* p) { std::free(p); }
+
+    // Once minSdkVersion is 30, we are guaranteed to be building with the
+    // Android 11 AIDL compiler which supports the SharedRefBase::make API.
+    //
+    // Use 'SharedRefBase::make<T>(...)' to make. SharedRefBase has implicit
+    // ownership. Making this operator private to avoid double-ownership.
+#if !defined(__ANDROID_API__) || __ANDROID_API__ >= 30 || defined(__ANDROID_APEX__)
+   private:
+#else
+    [[deprecated("Prefer SharedRefBase::make<T>(...) if possible.")]]
+#endif
+    static void* operator new(size_t s) { return std::malloc(s); }
+
+   private:
+    std::once_flag mFlagThis;
+    std::weak_ptr<SharedRefBase> mThis;
+};
+
+/**
+ * wrapper analog to IInterface
+ */
+class ICInterface : public SharedRefBase {
+   public:
+    ICInterface() {}
+    virtual ~ICInterface() {}
+
+    /**
+     * This either returns the single existing implementation or creates a new implementation.
+     */
+    virtual SpAIBinder asBinder() = 0;
+
+    /**
+     * Returns whether this interface is in a remote process. If it cannot be determined locally,
+     * this will be checked using AIBinder_isRemote.
+     */
+    virtual bool isRemote() = 0;
+
+    /**
+     * Dumps information about the interface. By default, dumps nothing.
+     */
+    virtual inline binder_status_t dump(int fd, const char** args, uint32_t numArgs);
+
+#ifdef HAS_BINDER_SHELL_COMMAND
+    /**
+     * Process shell commands. By default, does nothing.
+     */
+    virtual inline binder_status_t handleShellCommand(int in, int out, int err, const char** argv,
+                                                      uint32_t argc);
+#endif
+
+    /**
+     * Interprets this binder as this underlying interface if this has stored an ICInterface in the
+     * binder's user data.
+     *
+     * This does not do type checking and should only be used when the binder is known to originate
+     * from ICInterface. Most likely, you want to use I*::fromBinder.
+     */
+    static inline std::shared_ptr<ICInterface> asInterface(AIBinder* binder);
+
+    /**
+     * Helper method to create a class
+     */
+    static inline AIBinder_Class* defineClass(const char* interfaceDescriptor,
+                                              AIBinder_Class_onTransact onTransact);
+
+   private:
+    class ICInterfaceData {
+       public:
+        std::shared_ptr<ICInterface> interface;
+
+        static inline std::shared_ptr<ICInterface> getInterface(AIBinder* binder);
+
+        static inline void* onCreate(void* args);
+        static inline void onDestroy(void* userData);
+        static inline binder_status_t onDump(AIBinder* binder, int fd, const char** args,
+                                             uint32_t numArgs);
+
+#ifdef HAS_BINDER_SHELL_COMMAND
+        static inline binder_status_t handleShellCommand(AIBinder* binder, int in, int out, int err,
+                                                         const char** argv, uint32_t argc);
+#endif
+    };
+};
+
+/**
+ * implementation of IInterface for server (n = native)
+ */
+template <typename INTERFACE>
+class BnCInterface : public INTERFACE {
+   public:
+    BnCInterface() {}
+    virtual ~BnCInterface() {}
+
+    SpAIBinder asBinder() override final;
+
+    bool isRemote() override final { return false; }
+
+    static std::string makeServiceName(std::string_view instance) {
+        return INTERFACE::descriptor + ("/" + std::string(instance));
+    }
+
+   protected:
+    /**
+     * This function should only be called by asBinder. Otherwise, there is a possibility of
+     * multiple AIBinder* objects being created for the same instance of an object.
+     */
+    virtual SpAIBinder createBinder() = 0;
+
+   private:
+    std::mutex mMutex;  // for asBinder
+    ScopedAIBinder_Weak mWeakBinder;
+};
+
+/**
+ * implementation of IInterface for client (p = proxy)
+ */
+template <typename INTERFACE>
+class BpCInterface : public INTERFACE {
+   public:
+    explicit BpCInterface(const SpAIBinder& binder) : mBinder(binder) {}
+    virtual ~BpCInterface() {}
+
+    SpAIBinder asBinder() override final;
+
+    bool isRemote() override final { return AIBinder_isRemote(mBinder.get()); }
+
+    binder_status_t dump(int fd, const char** args, uint32_t numArgs) override {
+        return AIBinder_dump(asBinder().get(), fd, args, numArgs);
+    }
+
+   private:
+    SpAIBinder mBinder;
+};
+
+// END OF CLASS DECLARATIONS
+
+binder_status_t ICInterface::dump(int /*fd*/, const char** /*args*/, uint32_t /*numArgs*/) {
+    return STATUS_OK;
+}
+
+#ifdef HAS_BINDER_SHELL_COMMAND
+binder_status_t ICInterface::handleShellCommand(int /*in*/, int /*out*/, int /*err*/,
+                                                const char** /*argv*/, uint32_t /*argc*/) {
+    return STATUS_OK;
+}
+#endif
+
+std::shared_ptr<ICInterface> ICInterface::asInterface(AIBinder* binder) {
+    return ICInterfaceData::getInterface(binder);
+}
+
+AIBinder_Class* ICInterface::defineClass(const char* interfaceDescriptor,
+                                         AIBinder_Class_onTransact onTransact) {
+    AIBinder_Class* clazz = AIBinder_Class_define(interfaceDescriptor, ICInterfaceData::onCreate,
+                                                  ICInterfaceData::onDestroy, onTransact);
+    if (clazz == nullptr) {
+        return nullptr;
+    }
+
+    // We can't know if these methods are overridden by a subclass interface, so we must register
+    // ourselves. The defaults are harmless.
+    AIBinder_Class_setOnDump(clazz, ICInterfaceData::onDump);
+#ifdef HAS_BINDER_SHELL_COMMAND
+#ifdef __ANDROID_UNAVAILABLE_SYMBOLS_ARE_WEAK__
+    if (__builtin_available(android 30, *)) {
+#else
+    if (__ANDROID_API__ >= 30) {
+#endif
+        AIBinder_Class_setHandleShellCommand(clazz, ICInterfaceData::handleShellCommand);
+    }
+#endif
+    return clazz;
+}
+
+std::shared_ptr<ICInterface> ICInterface::ICInterfaceData::getInterface(AIBinder* binder) {
+    if (binder == nullptr) return nullptr;
+
+    void* userData = AIBinder_getUserData(binder);
+    if (userData == nullptr) return nullptr;
+
+    return static_cast<ICInterfaceData*>(userData)->interface;
+}
+
+void* ICInterface::ICInterfaceData::onCreate(void* args) {
+    std::shared_ptr<ICInterface> interface = static_cast<ICInterface*>(args)->ref<ICInterface>();
+    ICInterfaceData* data = new ICInterfaceData{interface};
+    return static_cast<void*>(data);
+}
+
+void ICInterface::ICInterfaceData::onDestroy(void* userData) {
+    delete static_cast<ICInterfaceData*>(userData);
+}
+
+binder_status_t ICInterface::ICInterfaceData::onDump(AIBinder* binder, int fd, const char** args,
+                                                     uint32_t numArgs) {
+    std::shared_ptr<ICInterface> interface = getInterface(binder);
+    if (interface != nullptr) {
+        return interface->dump(fd, args, numArgs);
+    }
+    return STATUS_DEAD_OBJECT;
+}
+
+#ifdef HAS_BINDER_SHELL_COMMAND
+binder_status_t ICInterface::ICInterfaceData::handleShellCommand(AIBinder* binder, int in, int out,
+                                                                 int err, const char** argv,
+                                                                 uint32_t argc) {
+    std::shared_ptr<ICInterface> interface = getInterface(binder);
+    if (interface != nullptr) {
+        return interface->handleShellCommand(in, out, err, argv, argc);
+    }
+    return STATUS_DEAD_OBJECT;
+}
+#endif
+
+template <typename INTERFACE>
+SpAIBinder BnCInterface<INTERFACE>::asBinder() {
+    std::lock_guard<std::mutex> l(mMutex);
+
+    SpAIBinder binder;
+    if (mWeakBinder.get() != nullptr) {
+        binder.set(AIBinder_Weak_promote(mWeakBinder.get()));
+    }
+    if (binder.get() == nullptr) {
+        binder = createBinder();
+        mWeakBinder.set(AIBinder_Weak_new(binder.get()));
+    }
+
+    return binder;
+}
+
+template <typename INTERFACE>
+SpAIBinder BpCInterface<INTERFACE>::asBinder() {
+    return mBinder;
+}
+
+}  // namespace ndk
+
+// Once minSdkVersion is 30, we are guaranteed to be building with the
+// Android 11 AIDL compiler which supports the SharedRefBase::make API.
+#if !defined(__ANDROID_API__) || __ANDROID_API__ >= 30 || defined(__ANDROID_APEX__)
+namespace ndk::internal {
+template <typename T, typename = void>
+struct is_complete_type : std::false_type {};
+
+template <typename T>
+struct is_complete_type<T, decltype(void(sizeof(T)))> : std::true_type {};
+}  // namespace ndk::internal
+
+namespace std {
+
+// Define `SharedRefBase` specific versions of `std::make_shared` and
+// `std::make_unique` to block people from using them. Using them to allocate
+// `ndk::SharedRefBase` objects results in double ownership. Use
+// `ndk::SharedRefBase::make<T>(...)` instead.
+//
+// Note: We exclude incomplete types because `std::is_base_of` is undefined in
+// that case.
+
+template <typename T, typename... Args,
+          std::enable_if_t<ndk::internal::is_complete_type<T>::value, bool> = true,
+          std::enable_if_t<std::is_base_of<ndk::SharedRefBase, T>::value, bool> = true>
+shared_ptr<T> make_shared(Args...) {  // SEE COMMENT ABOVE.
+    static_assert(!std::is_base_of<ndk::SharedRefBase, T>::value);
+}
+
+template <typename T, typename... Args,
+          std::enable_if_t<ndk::internal::is_complete_type<T>::value, bool> = true,
+          std::enable_if_t<std::is_base_of<ndk::SharedRefBase, T>::value, bool> = true>
+unique_ptr<T> make_unique(Args...) {  // SEE COMMENT ABOVE.
+    static_assert(!std::is_base_of<ndk::SharedRefBase, T>::value);
+}
+
+}  // namespace std
+#endif
+
+/** @} */

android-sdk/platforms/android-34/optional/libbinder_ndk_cpp/android/binder_internal_logging.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup NdkBinder
+ * @{
+ */
+
+/**
+ * @file binder_internal_logging.h
+ * @brief This provides the ability to use syslog from binder headers, since
+ * other logging functionality might be inaccessable.
+ */
+
+#pragma once
+
+// defined differently by liblog
+#pragma push_macro("LOG_PRI")
+#ifdef LOG_PRI
+#undef LOG_PRI
+#endif
+#include <syslog.h>
+#pragma pop_macro("LOG_PRI")
+
+/** @} */

android-sdk/platforms/android-34/optional/libbinder_ndk_cpp/android/binder_parcelable_utils.h

@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup NdkBinder
+ * @{
+ */
+
+/**
+ * @file binder_parcelable_utils.h
+ * @brief Helper for parcelable.
+ */
+
+#pragma once
+#include <android/binder_parcel_utils.h>
+#include <optional>
+
+namespace ndk {
+// Also see Parcelable.h in libbinder.
+typedef int32_t parcelable_stability_t;
+enum {
+    STABILITY_LOCAL,
+    STABILITY_VINTF,  // corresponds to @VintfStability
+};
+#define RETURN_ON_FAILURE(expr)                   \
+    do {                                          \
+        binder_status_t _status = (expr);         \
+        if (_status != STATUS_OK) return _status; \
+    } while (false)
+
+// AParcelableHolder has been introduced in 31.
+#if __ANDROID_API__ >= 31
+class AParcelableHolder {
+   public:
+    AParcelableHolder() = delete;
+    explicit AParcelableHolder(parcelable_stability_t stability)
+        : mParcel(AParcel_create()), mStability(stability) {}
+
+    AParcelableHolder(const AParcelableHolder& other)
+        : mParcel(AParcel_create()), mStability(other.mStability) {
+        AParcel_appendFrom(other.mParcel.get(), this->mParcel.get(), 0,
+                           AParcel_getDataSize(other.mParcel.get()));
+    }
+
+    AParcelableHolder(AParcelableHolder&& other) = default;
+    virtual ~AParcelableHolder() = default;
+
+    binder_status_t writeToParcel(AParcel* parcel) const {
+        RETURN_ON_FAILURE(AParcel_writeInt32(parcel, static_cast<int32_t>(this->mStability)));
+        int32_t size = AParcel_getDataSize(this->mParcel.get());
+        RETURN_ON_FAILURE(AParcel_writeInt32(parcel, size));
+        size = AParcel_getDataSize(this->mParcel.get());
+        RETURN_ON_FAILURE(AParcel_appendFrom(this->mParcel.get(), parcel, 0, size));
+        return STATUS_OK;
+    }
+
+    binder_status_t readFromParcel(const AParcel* parcel) {
+        AParcel_reset(mParcel.get());
+
+        parcelable_stability_t wireStability;
+        RETURN_ON_FAILURE(AParcel_readInt32(parcel, &wireStability));
+        if (this->mStability != wireStability) {
+            return STATUS_BAD_VALUE;
+        }
+
+        int32_t dataSize;
+        binder_status_t status = AParcel_readInt32(parcel, &dataSize);
+
+        if (status != STATUS_OK || dataSize < 0) {
+            return status != STATUS_OK ? status : STATUS_BAD_VALUE;
+        }
+
+        int32_t dataStartPos = AParcel_getDataPosition(parcel);
+
+        if (dataStartPos > INT32_MAX - dataSize) {
+            return STATUS_BAD_VALUE;
+        }
+
+        status = AParcel_appendFrom(parcel, mParcel.get(), dataStartPos, dataSize);
+        if (status != STATUS_OK) {
+            return status;
+        }
+        return AParcel_setDataPosition(parcel, dataStartPos + dataSize);
+    }
+
+    template <typename T>
+    binder_status_t setParcelable(const T& p) {
+        if (this->mStability > T::_aidl_stability) {
+            return STATUS_BAD_VALUE;
+        }
+        AParcel_reset(mParcel.get());
+        AParcel_writeString(mParcel.get(), T::descriptor, strlen(T::descriptor));
+        p.writeToParcel(mParcel.get());
+        return STATUS_OK;
+    }
+
+    template <typename T>
+    binder_status_t getParcelable(std::optional<T>* ret) const {
+        const std::string parcelableDesc(T::descriptor);
+        AParcel_setDataPosition(mParcel.get(), 0);
+        if (AParcel_getDataSize(mParcel.get()) == 0) {
+            *ret = std::nullopt;
+            return STATUS_OK;
+        }
+        std::string parcelableDescInParcel;
+        binder_status_t status = AParcel_readString(mParcel.get(), &parcelableDescInParcel);
+        if (status != STATUS_OK || parcelableDesc != parcelableDescInParcel) {
+            *ret = std::nullopt;
+            return status;
+        }
+        *ret = std::make_optional<T>();
+        status = (*ret)->readFromParcel(this->mParcel.get());
+        if (status != STATUS_OK) {
+            *ret = std::nullopt;
+            return status;
+        }
+        return STATUS_OK;
+    }
+
+    void reset() { AParcel_reset(mParcel.get()); }
+
+    inline bool operator!=(const AParcelableHolder& rhs) const { return this != &rhs; }
+    inline bool operator<(const AParcelableHolder& rhs) const { return this < &rhs; }
+    inline bool operator<=(const AParcelableHolder& rhs) const { return this <= &rhs; }
+    inline bool operator==(const AParcelableHolder& rhs) const { return this == &rhs; }
+    inline bool operator>(const AParcelableHolder& rhs) const { return this > &rhs; }
+    inline bool operator>=(const AParcelableHolder& rhs) const { return this >= &rhs; }
+    inline AParcelableHolder& operator=(const AParcelableHolder& rhs) {
+        this->reset();
+        if (this->mStability != rhs.mStability) {
+            syslog(LOG_ERR, "AParcelableHolder stability mismatch: this %d rhs %d!",
+                   this->mStability, rhs.mStability);
+            abort();
+        }
+        AParcel_appendFrom(rhs.mParcel.get(), this->mParcel.get(), 0,
+                           AParcel_getDataSize(rhs.mParcel.get()));
+        return *this;
+    }
+
+   private:
+    mutable ndk::ScopedAParcel mParcel;
+    parcelable_stability_t mStability;
+};
+#endif  // __ANDROID_API__ >= 31
+
+#undef RETURN_ON_FAILURE
+}  // namespace ndk
+
+/** @} */

android-sdk/platforms/android-34/optional/libbinder_ndk_cpp/android/binder_to_string.h

@@ -0,0 +1,244 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup NdkBinder
+ * @{
+ */
+
+/**
+ * @file binder_to_string.h
+ * @brief Helper for parcelable.
+ */
+
+#pragma once
+
+#include <codecvt>
+#include <locale>
+#include <memory>
+#include <optional>
+#include <sstream>
+#include <string>
+#include <type_traits>
+
+#if __has_include(<utils/StrongPointer.h>)
+#include <utils/StrongPointer.h>
+#define HAS_STRONG_POINTER
+#endif
+
+#if __has_include(<utils/String16.h>)
+#include <utils/String16.h>
+#define HAS_STRING16
+#endif
+
+#if __has_include(<android/binder_ibinder.h>)
+#include <android/binder_auto_utils.h>
+#include <android/binder_interface_utils.h>
+#include <android/binder_parcelable_utils.h>
+#define HAS_NDK_INTERFACE
+#endif
+
+// TODO: some things include libbinder without having access to libbase. This is
+// due to frameworks/native/include, which symlinks to libbinder headers, so even
+// though we don't use it here, we detect a different header, so that we are more
+// confident libbase will be included
+#if __has_include(<binder/RpcSession.h>)
+#include <binder/IBinder.h>
+#include <binder/IInterface.h>
+#define HAS_CPP_INTERFACE
+#endif
+
+namespace android {
+namespace internal {
+
+// ToString is a utility to generate string representation for various AIDL-supported types.
+template <typename _T>
+std::string ToString(const _T& t);
+
+namespace details {
+
+// Truthy if _T has toString() method.
+template <typename _T>
+class HasToStringMethod {
+    template <typename _U>
+    static auto _test(int) -> decltype(std::declval<_U>().toString(), std::true_type());
+    template <typename _U>
+    static std::false_type _test(...);
+
+   public:
+    enum { value = decltype(_test<_T>(0))::value };
+};
+
+// Truthy if _T has a overloaded toString(T)
+template <typename _T>
+class HasToStringFunction {
+    template <typename _U>
+    static auto _test(int) -> decltype(toString(std::declval<_U>()), std::true_type());
+    template <typename _U>
+    static std::false_type _test(...);
+
+   public:
+    enum { value = decltype(_test<_T>(0))::value };
+};
+
+template <typename T, template <typename...> typename U>
+struct IsInstantiationOf : std::false_type {};
+
+template <template <typename...> typename U, typename... Args>
+struct IsInstantiationOf<U<Args...>, U> : std::true_type {};
+
+// Truthy if _T is like a pointer: one of sp/optional/shared_ptr
+template <typename _T>
+class IsPointerLike {
+    template <typename _U>
+    static std::enable_if_t<
+#ifdef HAS_STRONG_POINTER
+            IsInstantiationOf<_U, sp>::value ||  // for IBinder and interface types in the C++
+                                                 // backend
+#endif
+                    IsInstantiationOf<_U, std::optional>::value ||    // for @nullable types in the
+                                                                      // C++/NDK backends
+                    IsInstantiationOf<_U, std::unique_ptr>::value ||  // for @nullable(heap=true)
+                                                                      // in C++/NDK backends
+                    IsInstantiationOf<_U, std::shared_ptr>::value,    // for interface types in the
+                                                                      // NDK backends
+
+            std::true_type>
+    _test(int);
+    template <typename _U>
+    static std::false_type _test(...);
+
+   public:
+    enum { value = decltype(_test<_T>(0))::value };
+};
+
+// Truthy if _T is like a container
+template <typename _T>
+class IsIterable {
+    template <typename _U>
+    static auto _test(int)
+            -> decltype(begin(std::declval<_U>()), end(std::declval<_U>()), std::true_type());
+    template <typename _U>
+    static std::false_type _test(...);
+
+   public:
+    enum { value = decltype(_test<_T>(0))::value };
+};
+
+template <typename _T>
+struct TypeDependentFalse {
+    enum { value = false };
+};
+
+}  // namespace details
+
+template <typename _T>
+std::string ToString(const _T& t) {
+    if constexpr (std::is_same_v<bool, _T>) {
+        return t ? "true" : "false";
+    } else if constexpr (std::is_same_v<char16_t, _T>) {
+        // TODO(b/244494451): codecvt is deprecated in C++17 -- suppress the
+        // warnings. There's no replacement in the standard library yet.
+        _Pragma("clang diagnostic push")
+                _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"");
+        return std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t>().to_bytes(t);
+        _Pragma("clang diagnostic pop");
+    } else if constexpr (std::is_arithmetic_v<_T>) {
+        return std::to_string(t);
+    } else if constexpr (std::is_same_v<std::string, _T>) {
+        return t;
+#ifdef HAS_NDK_INTERFACE
+    } else if constexpr (std::is_same_v<::ndk::SpAIBinder, _T>) {
+        std::stringstream ss;
+        ss << "binder:" << std::hex << t.get();
+        return ss.str();
+    } else if constexpr (std::is_same_v<::ndk::ScopedFileDescriptor, _T>) {
+        return "fd:" + std::to_string(t.get());
+    } else if constexpr (std::is_base_of_v<::ndk::ICInterface, _T>) {
+        // TODO(b/266248339): this format is to make it easy to handle resolv_integration_test
+        // freezing the output format. We would like to print more info.
+        return "<interface>";
+#if __ANDROID_API__ >= 31
+    } else if constexpr (std::is_same_v<::ndk::AParcelableHolder, _T>) {
+        return "AParcelableHolder";
+#endif
+#endif  // HAS_NDK_INTERFACE
+#ifdef HAS_CPP_INTERFACE
+    } else if constexpr (std::is_base_of_v<IInterface, _T>) {
+        std::stringstream ss;
+        ss << "interface:" << std::hex << &t;
+        return ss.str();
+    } else if constexpr (std::is_same_v<IBinder, _T>) {
+        std::stringstream ss;
+        ss << "binder:" << std::hex << &t;
+        return ss.str();
+#endif
+#ifdef HAS_STRING16
+    } else if constexpr (std::is_same_v<String16, _T>) {
+        std::stringstream out;
+        out << t;
+        return out.str();
+#endif
+    } else if constexpr (details::IsPointerLike<_T>::value || std::is_pointer_v<_T>) {
+        if (!t) return "(null)";
+        std::stringstream out;
+        out << ToString(*t);
+        return out.str();
+    } else if constexpr (details::HasToStringMethod<_T>::value) {
+        return t.toString();
+    } else if constexpr (details::HasToStringFunction<_T>::value) {
+        return toString(t);
+    } else if constexpr (details::IsIterable<_T>::value) {
+        std::stringstream out;
+        bool first = true;
+        out << "[";
+        for (const auto& e : t) {
+            if (first) {
+                first = false;
+            } else {
+                out << ", ";
+            }
+            // Use explicit type parameter in case deref of iterator has different type
+            // e.g. vector<bool>
+            out << ToString<typename _T::value_type>(e);
+        }
+        out << "]";
+        return out.str();
+    } else {
+        static_assert(details::TypeDependentFalse<_T>::value, "no toString implemented, huh?");
+    }
+}
+
+}  // namespace internal
+}  // namespace android
+
+#ifdef HAS_STRONG_POINTER
+#undef HAS_STRONG_POINTER
+#endif
+
+#ifdef HAS_STRING16
+#undef HAS_STRING16
+#endif
+
+#ifdef HAS_NDK_INTERFACE
+#undef HAS_NDK_INTERFACE
+#endif
+
+#ifdef HAS_CPP_INTERFACE
+#undef HAS_CPP_INTERFACE
+#endif
+
+/** @} */