save code

app/src/main/cpp/main.cpp

@@ -16,6 +16,7 @@ FaceApp* g_Application = nullptr;
 AAssetManager* g_assetManager = nullptr;
 
 jobject g_callback = nullptr;
+jobject g_callbackAnimationFinished = nullptr;
 
 void handle_cmd(android_app *pApp, int32_t cmd) {
     switch (cmd) {
@@ -149,22 +150,7 @@ Java_com_hmwl_face_1sdk_FaceActivity_SetCppInitArg(JNIEnv *env, jobject thiz, js
     }
     memcpy(g_InitArgString, nativeString, len);
 }
-extern "C"
+
-JNIEXPORT void JNICALL
-Java_com_hmwl_face_1sdk_FaceActivity_ChangeStateCpp(JNIEnv *env, jobject thiz, jstring json) {
-    // TODO: implement ChangeStateCpp()
-    const char *nativeString = env->GetStringUTFChars(json, nullptr);
-    jsize len = env->GetStringUTFLength(json);
-    if(len > ArgLen)
-    {
-        aout << "ArgLen to long:" << len << std::endl;
-        return;
-    }
-    if(g_Application->isInited())
-    {
-        g_Application->changeMotion(nativeString);
-    }
-}
 extern "C"
 JNIEXPORT void JNICALL
 Java_com_hmwl_face_1sdk_FaceActivity_StopRunning(JNIEnv *env, jobject thiz) {
@@ -241,6 +227,63 @@ void CppCallback(const string& motion_type)
 }
 
 
+void CppAnimationFinishedCallback()
+{
+    JNIEnv* env = nullptr;
+    bool needDetach = false;
+
+    // 获取当前线程的 JNIEnv
+    JavaVM* vm = g_jvm; // 你需要提前保存 JavaVM* 到全局变量 g_jvm
+    int status = vm->GetEnv((void**)&env, JNI_VERSION_1_6);
+    if (status == JNI_EDETACHED) {
+        // 当前线程未 attach，需 attach
+        if (vm->AttachCurrentThread(&env, nullptr) != 0) {
+            return;
+        }
+        needDetach = true;
+    } else if (status != JNI_OK) {
+        return;
+    }
+
+    if (g_callbackAnimationFinished == nullptr) {
+        if (needDetach) vm->DetachCurrentThread();
+        return;
+    }
+
+    // 1. 获取 CallbackInterface 的 class
+    jclass callbackClass = env->GetObjectClass(g_callbackAnimationFinished);
+    if (callbackClass == nullptr) {
+        if (needDetach) vm->DetachCurrentThread();
+        return;
+    }
+
+    // 2. 获取 OnLoadActionFinished 方法 ID（注意方法名大小写必须一致！）
+    jmethodID methodId = env->GetMethodID(callbackClass, "OnAnimationFinished", "()V");
+    if (methodId == nullptr) {
+        env->ExceptionDescribe(); // 打印异常
+        env->ExceptionClear();
+        if (needDetach) vm->DetachCurrentThread();
+        return;
+    }
+
+    // 4. 调用 Java 回调
+    env->CallVoidMethod(g_callbackAnimationFinished, methodId);
+
+    // 5. 检查是否抛出异常
+    if (env->ExceptionCheck()) {
+        env->ExceptionDescribe();
+        env->ExceptionClear();
+    }
+
+    env->DeleteLocalRef(callbackClass);
+
+    // 7. 如果是临时 attach 的线程，要 detach
+    if (needDetach) {
+        vm->DetachCurrentThread();
+    }
+}
+
+
 
 extern "C"
 JNIEXPORT jstring JNICALL
@@ -268,4 +311,31 @@ Java_com_hmwl_face_1sdk_FaceActivity_PreReadAction(JNIEnv *env, jobject thiz, js
 
     std::string ret = g_Application->preReadyMotion(nativeString, CppCallback);
     return env->NewStringUTF(ret.c_str());
+}
+
+
+extern "C"
+JNIEXPORT void JNICALL
+Java_com_hmwl_face_1sdk_FaceActivity_ChangeMotionCpp(JNIEnv *env, jobject thiz, jstring json,
+                                                     jobject callback, jboolean loop) {
+    // TODO: implement ChangeMotionCpp()
+    const char *nativeString = env->GetStringUTFChars(json, nullptr);
+    jsize len = env->GetStringUTFLength(json);
+    if(len > ArgLen)
+    {
+        aout << "ArgLen to long:" << len << std::endl;
+        return;
+    }
+
+    // 保存新的回调
+    if (callback != nullptr) {
+        g_callbackAnimationFinished = env->NewGlobalRef(callback);
+    } else {
+        g_callbackAnimationFinished = nullptr;
+    }
+
+    if(g_Application->isInited())
+    {
+        g_Application->changeMotion(nativeString, CppAnimationFinishedCallback, loop);
+    }
 }

app/src/main/java/com/hmwl/face_sdk/FaceActivity.java

@@ -50,6 +50,21 @@ public class FaceActivity extends GameActivity implements FaceLandmarkerHelper.L
         }
     }
 
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+
+        if (requestCode == REQUEST_CAMERA_PERMISSION) {
+            // 检查权限是否被授予
+            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                // 用户授予了权限，启动相机
+                startCamera();
+            } else {
+                requestCameraPermission();
+            }
+        }
+    }
+
     private void startCamera() {
         ListenableFuture<ProcessCameraProvider> cameraProviderFuture =
                 ProcessCameraProvider.getInstance(this);
@@ -276,15 +291,19 @@ public class FaceActivity extends GameActivity implements FaceLandmarkerHelper.L
         void OnLoadActionFinished(String result);
     }
 
+    public interface AnimationFinishedCallbackInterface {
+        void OnAnimationFinished();
+    }
+
     protected native String PreReadAction(String motion, CallbackInterface callback);
     protected String PreLoadAction(String json, CallbackInterface callback){
         return PreReadAction(json, callback);
     }
 
-    protected native void ChangeStateCpp(String json);
+    protected native void ChangeMotionCpp(String json, AnimationFinishedCallbackInterface callback, boolean loop);
-    protected void ChangeMotion(String json){
+    protected void ChangeMotion(String json, AnimationFinishedCallbackInterface callback, boolean loop){
         Log.i("FaceActivity", "ChangeState:" + json);
-        ChangeStateCpp(json);
+        ChangeMotionCpp(json, callback, loop);
     }
 
     // 添加这个缺失的方法

example/build.gradle

@@ -80,4 +80,7 @@ dependencies {
     implementation 'com.google.flogger:flogger-system-backend:0.7.4'
 
     implementation 'com.google.guava:guava:31.1-android'
+
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.8.7") // 提供 lifecycleScope
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.9.0")
 }