diff --git a/libs/hwui/MemoryPolicy.h b/libs/hwui/MemoryPolicy.h
index 139cdde..347daf34 100644
--- a/libs/hwui/MemoryPolicy.h
+++ b/libs/hwui/MemoryPolicy.h
@@ -31,6 +31,12 @@
     RUNNING_MODERATE = 5,
 };
 
+enum class CacheTrimLevel {
+    ALL_CACHES = 0,
+    FONT_CACHE = 1,
+    RESOURCE_CACHE = 2,
+};
+
 struct MemoryPolicy {
     // The initial scale factor applied to the display resolution. The default is 1, but
     // lower values may be used to start with a smaller initial cache size. The cache will
diff --git a/libs/hwui/jni/android_graphics_HardwareRenderer.cpp b/libs/hwui/jni/android_graphics_HardwareRenderer.cpp
index 6a7411f..d04de37 100644
--- a/libs/hwui/jni/android_graphics_HardwareRenderer.cpp
+++ b/libs/hwui/jni/android_graphics_HardwareRenderer.cpp
@@ -362,6 +362,10 @@
     RenderProxy::trimMemory(level);
 }
 
+static void android_view_ThreadedRenderer_trimCaches(JNIEnv* env, jobject clazz, jint level) {
+    RenderProxy::trimCaches(level);
+}
+
 static void android_view_ThreadedRenderer_overrideProperty(JNIEnv* env, jobject clazz,
         jstring name, jstring value) {
     const char* nameCharArray = env->GetStringUTFChars(name, NULL);
@@ -1018,6 +1022,7 @@
          (void*)android_view_ThreadedRenderer_notifyCallbackPending},
         {"nNotifyExpensiveFrame", "(J)V",
          (void*)android_view_ThreadedRenderer_notifyExpensiveFrame},
+        {"nTrimCaches", "(I)V", (void*)android_view_ThreadedRenderer_trimCaches},
 };
 
 static JavaVM* mJvm = nullptr;
diff --git a/libs/hwui/renderthread/CacheManager.cpp b/libs/hwui/renderthread/CacheManager.cpp
index c00a270..babce88 100644
--- a/libs/hwui/renderthread/CacheManager.cpp
+++ b/libs/hwui/renderthread/CacheManager.cpp
@@ -139,6 +139,25 @@
     }
 }
 
+void CacheManager::trimCaches(CacheTrimLevel mode) {
+    switch (mode) {
+        case CacheTrimLevel::FONT_CACHE:
+            SkGraphics::PurgeFontCache();
+            break;
+        case CacheTrimLevel::RESOURCE_CACHE:
+            SkGraphics::PurgeResourceCache();
+            break;
+        case CacheTrimLevel::ALL_CACHES:
+            SkGraphics::PurgeAllCaches();
+            if (mGrContext) {
+                mGrContext->purgeUnlockedResources(false);
+            }
+            break;
+        default:
+            break;
+    }
+}
+
 void CacheManager::trimStaleResources() {
     if (!mGrContext) {
         return;
diff --git a/libs/hwui/renderthread/CacheManager.h b/libs/hwui/renderthread/CacheManager.h
index d21ac9b..5e43ac2 100644
--- a/libs/hwui/renderthread/CacheManager.h
+++ b/libs/hwui/renderthread/CacheManager.h
@@ -48,6 +48,7 @@
     void configureContext(GrContextOptions* context, const void* identity, ssize_t size);
 #endif
     void trimMemory(TrimLevel mode);
+    void trimCaches(CacheTrimLevel mode);
     void trimStaleResources();
     void dumpMemoryUsage(String8& log, const RenderState* renderState = nullptr);
     void getMemoryUsage(size_t* cpuUsage, size_t* gpuUsage);
diff --git a/libs/hwui/renderthread/RenderProxy.cpp b/libs/hwui/renderthread/RenderProxy.cpp
index 31b4b20..224c878 100644
--- a/libs/hwui/renderthread/RenderProxy.cpp
+++ b/libs/hwui/renderthread/RenderProxy.cpp
@@ -231,6 +231,15 @@
     }
 }
 
+void RenderProxy::trimCaches(int level) {
+    // Avoid creating a RenderThread to do a trimMemory.
+    if (RenderThread::hasInstance()) {
+        RenderThread& thread = RenderThread::getInstance();
+        const auto trimLevel = static_cast<CacheTrimLevel>(level);
+        thread.queue().post([&thread, trimLevel]() { thread.trimCaches(trimLevel); });
+    }
+}
+
 void RenderProxy::purgeCaches() {
     if (RenderThread::hasInstance()) {
         RenderThread& thread = RenderThread::getInstance();
diff --git a/libs/hwui/renderthread/RenderProxy.h b/libs/hwui/renderthread/RenderProxy.h
index 82072a6..47c1b0c 100644
--- a/libs/hwui/renderthread/RenderProxy.h
+++ b/libs/hwui/renderthread/RenderProxy.h
@@ -105,6 +105,7 @@
 
     void destroyHardwareResources();
     static void trimMemory(int level);
+    static void trimCaches(int level);
     static void purgeCaches();
     static void overrideProperty(const char* name, const char* value);
 
diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index 9ba67a2..eb28c08 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -521,6 +521,11 @@
     cacheManager().trimMemory(level);
 }
 
+void RenderThread::trimCaches(CacheTrimLevel level) {
+    ATRACE_CALL();
+    cacheManager().trimCaches(level);
+}
+
 } /* namespace renderthread */
 } /* namespace uirenderer */
 } /* namespace android */
diff --git a/libs/hwui/renderthread/RenderThread.h b/libs/hwui/renderthread/RenderThread.h
index c77cd41..79e57de 100644
--- a/libs/hwui/renderthread/RenderThread.h
+++ b/libs/hwui/renderthread/RenderThread.h
@@ -174,6 +174,7 @@
     }
 
     void trimMemory(TrimLevel level);
+    void trimCaches(CacheTrimLevel level);
 
     /**
      * isCurrent provides a way to query, if the caller is running on