diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 7c946d4..a3e4221 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -19,7 +19,7 @@ jobs:
       uses: actions/checkout@v4
       with:
         repository: libxposed/api
-        ref: a42f85d06eac3373d266a534ab3b31a584b30774
+        ref: 64e29bd657ef4d2540b34402f5a988778f29e676
         path: libxposed/api
         fetch-depth: 0
 
@@ -50,6 +50,7 @@ jobs:
         echo 'org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8 -XX:+UseParallelGC' >> ~/.gradle/gradle.properties
         echo 'android.native.buildOutput=verbose' >> ~/.gradle/gradle.properties
         # build dependencies
+        sed -i 's/VERSION_21/VERSION_17/g' libxposed/api/checks/build.gradle.kts
         cd libxposed/api && ./gradlew publishToMavenLocal && cd ../..
         # build DisableFlagSecure
         chmod +x gradlew
diff --git a/app/src/main/java/io/github/libxposed/api/annotations/AfterInvocation.java b/app/src/main/java/io/github/libxposed/api/annotations/AfterInvocation.java
new file mode 100644
index 0000000..e26b318
--- /dev/null
+++ b/app/src/main/java/io/github/libxposed/api/annotations/AfterInvocation.java
@@ -0,0 +1,11 @@
+package io.github.libxposed.api.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface AfterInvocation {
+}
diff --git a/app/src/main/java/io/github/libxposed/api/annotations/BeforeInvocation.java b/app/src/main/java/io/github/libxposed/api/annotations/BeforeInvocation.java
new file mode 100644
index 0000000..7b4a17b
--- /dev/null
+++ b/app/src/main/java/io/github/libxposed/api/annotations/BeforeInvocation.java
@@ -0,0 +1,11 @@
+package io.github.libxposed.api.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface BeforeInvocation {
+}
diff --git a/app/src/main/java/io/github/libxposed/api/annotations/XposedHooker.java b/app/src/main/java/io/github/libxposed/api/annotations/XposedHooker.java
new file mode 100644
index 0000000..acff8c0
--- /dev/null
+++ b/app/src/main/java/io/github/libxposed/api/annotations/XposedHooker.java
@@ -0,0 +1,11 @@
+package io.github.libxposed.api.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.TYPE, ElementType.TYPE_USE})
+public @interface XposedHooker {
+}