diff --git a/native/.gitignore b/native/.gitignore
new file mode 100644
index 000000000..42afabfd2
--- /dev/null
+++ b/native/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/native/build.gradle.kts b/native/build.gradle.kts
new file mode 100644
index 000000000..4297a8307
--- /dev/null
+++ b/native/build.gradle.kts
@@ -0,0 +1,11 @@
+plugins {
+    kotlin("multiplatform")
+}
+
+kotlin {
+    androidNativeArm64("native") {
+        binaries {
+            sharedLib("ehviewer-kotlin-native")
+        }
+    }
+}
diff --git a/native/src/nativeMain/kotlin/moe/tarsin/ehviewer/RewriteGif.kt b/native/src/nativeMain/kotlin/moe/tarsin/ehviewer/RewriteGif.kt
new file mode 100644
index 000000000..dfc76278a
--- /dev/null
+++ b/native/src/nativeMain/kotlin/moe/tarsin/ehviewer/RewriteGif.kt
@@ -0,0 +1,13 @@
+package moe.tarsin.ehviewer
+
+import kotlinx.cinterop.CPointer
+import kotlinx.cinterop.invoke
+import kotlinx.cinterop.pointed
+import platform.android.JNIEnvVar
+import platform.android.jclass
+import platform.android.jobject
+
+@CName("Java_com_hippo_Native_rewriteGif")
+fun rewriteGif(env: CPointer<JNIEnvVar>, thiz: jclass, buffer: jobject) {
+    val ptr = env.pointed.pointed!!.GetDirectBufferAddress!!.invoke(env, buffer)
+}
diff --git a/settings.gradle b/settings.gradle
index 170072ce5..1d3ce4d2a 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -6,7 +6,7 @@ pluginManagement {
     }
 }
 dependencyResolutionManagement {
-    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositoriesMode.set(RepositoriesMode.PREFER_SETTINGS)
     repositories {
         google()
         mavenCentral()
@@ -18,3 +18,4 @@ dependencyResolutionManagement {
 enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
 rootProject.name = "EhViewer"
 include ':app'
+include ':native'