diff --git a/core/jni/android_view_DisplayEventReceiver.cpp b/core/jni/android_view_DisplayEventReceiver.cpp
index 64fb27b..01ab2ff 100644
--- a/core/jni/android_view_DisplayEventReceiver.cpp
+++ b/core/jni/android_view_DisplayEventReceiver.cpp
@@ -87,7 +87,7 @@
         return result;
     }
 
-    int rc = mMessageQueue->getLooper()->addFd(mReceiver.getFd(), 0, ALOOPER_EVENT_INPUT,
+    int rc = mMessageQueue->getLooper()->addFd(mReceiver.getFd(), 0, Looper::EVENT_INPUT,
             this, NULL);
     if (rc < 0) {
         return UNKNOWN_ERROR;
@@ -125,13 +125,13 @@
 }
 
 int NativeDisplayEventReceiver::handleEvent(int receiveFd, int events, void* data) {
-    if (events & (ALOOPER_EVENT_ERROR | ALOOPER_EVENT_HANGUP)) {
+    if (events & (Looper::EVENT_ERROR | Looper::EVENT_HANGUP)) {
         ALOGE("Display event receiver pipe was closed or an error occurred.  "
                 "events=0x%x", events);
         return 0; // remove the callback
     }
 
-    if (!(events & ALOOPER_EVENT_INPUT)) {
+    if (!(events & Looper::EVENT_INPUT)) {
         ALOGW("Received spurious callback for unhandled poll event.  "
                 "events=0x%x", events);
         return 1; // keep the callback
diff --git a/native/android/input.cpp b/native/android/input.cpp
index e9d08b4..fc52138 100644
--- a/native/android/input.cpp
+++ b/native/android/input.cpp
@@ -273,7 +273,7 @@
 void AInputQueue_attachLooper(AInputQueue* queue, ALooper* looper,
         int ident, ALooper_callbackFunc callback, void* data) {
     InputQueue* iq = static_cast<InputQueue*>(queue);
-    Looper* l = static_cast<Looper*>(looper);
+    Looper* l = reinterpret_cast<Looper*>(looper);
     iq->attachLooper(l, ident, callback, data);
 }
 
diff --git a/native/android/looper.cpp b/native/android/looper.cpp
index 455e950..24cb234 100644
--- a/native/android/looper.cpp
+++ b/native/android/looper.cpp
@@ -25,20 +25,28 @@
 using android::sp;
 using android::IPCThreadState;
 
+static inline Looper* ALooper_to_Looper(ALooper* alooper) {
+    return reinterpret_cast<Looper*>(alooper);
+}
+
+static inline ALooper* Looper_to_ALooper(Looper* looper) {
+    return reinterpret_cast<ALooper*>(looper);
+}
+
 ALooper* ALooper_forThread() {
-    return Looper::getForThread().get();
+    return Looper_to_ALooper(Looper::getForThread().get());
 }
 
 ALooper* ALooper_prepare(int opts) {
-    return Looper::prepare(opts).get();
+    return Looper_to_ALooper(Looper::prepare(opts).get());
 }
 
 void ALooper_acquire(ALooper* looper) {
-    static_cast<Looper*>(looper)->incStrong((void*)ALooper_acquire);
+    ALooper_to_Looper(looper)->incStrong((void*)ALooper_acquire);
 }
 
 void ALooper_release(ALooper* looper) {
-    static_cast<Looper*>(looper)->decStrong((void*)ALooper_acquire);
+    ALooper_to_Looper(looper)->decStrong((void*)ALooper_acquire);
 }
 
 int ALooper_pollOnce(int timeoutMillis, int* outFd, int* outEvents, void** outData) {
@@ -64,14 +72,14 @@
 }
 
 void ALooper_wake(ALooper* looper) {
-    static_cast<Looper*>(looper)->wake();
+    ALooper_to_Looper(looper)->wake();
 }
 
 int ALooper_addFd(ALooper* looper, int fd, int ident, int events,
         ALooper_callbackFunc callback, void* data) {
-    return static_cast<Looper*>(looper)->addFd(fd, ident, events, callback, data);
+    return ALooper_to_Looper(looper)->addFd(fd, ident, events, callback, data);
 }
 
 int ALooper_removeFd(ALooper* looper, int fd) {
-    return static_cast<Looper*>(looper)->removeFd(fd);
+    return ALooper_to_Looper(looper)->removeFd(fd);
 }