diff --git a/src/app/build.gradle b/src/app/build.gradle
index a2f506b..2bd5b47 100644
--- a/src/app/build.gradle
+++ b/src/app/build.gradle
@@ -7,9 +7,36 @@ android {
     defaultConfig {
         applicationId "my.wificar"
         minSdkVersion 21
+        externalNativeBuild {
+            cmake {
+                cppFlags ""
+                arguments '-DANDROID_PLATFORM=android-24', '-DANDROID_STL=c++_static', '-DANDROID_STL=c++_shared'
+            }
+        }
 
+        ndk {
+            moduleName "WztNcnnJniLog" //编译后会生成 .so
+            ldLibs "log", "z", "m"
+            abiFilters "armeabi-v7a", "arm64-v8a"  // opencv库太大只留需要的
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    externalNativeBuild {
+        cmake {
+            path "src/main/cpp/CMakeLists.txt"
+            version "3.10.2"
+        }
+    }
+    sourceSets {
+        main {
+            jniLibs.srcDirs = ['src/main/jniLibs', 'libs']  // libs
+        }
     }
-
     buildTypes {
         release {
             minifyEnabled false
@@ -17,10 +44,18 @@ android {
         }
     }
     namespace 'my.wificar'
+    repositories {
+        flatDir {
+            dirs 'libs'
+        }
+    }
 }
 
 dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.8.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'com.github.wseemann:FFmpegMediaMetadataRetriever-core:1.0.15'
+    implementation 'com.github.wseemann:FFmpegMediaMetadataRetriever-native:1.0.15'
 }
diff --git a/src/app/src/main/cpp/jni_interface.cpp b/src/app/src/main/cpp/jni_interface.cpp
index 1e733a2..bc5d971 100644
--- a/src/app/src/main/cpp/jni_interface.cpp
+++ b/src/app/src/main/cpp/jni_interface.cpp
@@ -56,7 +56,7 @@ JNIEXPORT void JNI_OnUnload(JavaVM *vm, void *reserved) {
                                          Yolov5
  ********************************************************************************************/
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_YOLOv5_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
+Java_wificar_YOLOv5_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
     if (YoloV5::detector != nullptr) {
         delete YoloV5::detector;
         YoloV5::detector = nullptr;
@@ -68,10 +68,10 @@ Java_com_wzt_yolov5_YOLOv5_init(JNIEnv *env, jclass, jobject assetManager, jbool
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_YOLOv5_detect(JNIEnv *env, jclass, jobject image, jdouble threshold, jdouble nms_threshold) {
+Java_wificar_YOLOv5_detect(JNIEnv *env, jclass, jobject image, jdouble threshold, jdouble nms_threshold) {
     auto result = YoloV5::detector->detect(env, image, threshold, nms_threshold);
 
-    auto box_cls = env->FindClass("com/wzt/yolov5/Box");
+    auto box_cls = env->FindClass("wificar/Box");
     auto cid = env->GetMethodID(box_cls, "<init>", "(FFFFIF)V");
     jobjectArray ret = env->NewObjectArray(result.size(), box_cls, nullptr);
     int i = 0;
@@ -86,7 +86,7 @@ Java_com_wzt_yolov5_YOLOv5_detect(JNIEnv *env, jclass, jobject image, jdouble th
 
 // ***************************************[ Yolov5 Custom Layer ]****************************************
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_YOLOv5_initCustomLayer(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
+Java_wificar_YOLOv5_initCustomLayer(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
     if (YoloV5CustomLayer::detector != nullptr) {
         delete YoloV5CustomLayer::detector;
         YoloV5CustomLayer::detector = nullptr;
@@ -98,10 +98,10 @@ Java_com_wzt_yolov5_YOLOv5_initCustomLayer(JNIEnv *env, jclass, jobject assetMan
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_YOLOv5_detectCustomLayer(JNIEnv *env, jclass, jobject image, jdouble threshold, jdouble nms_threshold) {
+Java_wificar_YOLOv5_detectCustomLayer(JNIEnv *env, jclass, jobject image, jdouble threshold, jdouble nms_threshold) {
     auto result = YoloV5CustomLayer::detector->detect(env, image, threshold, nms_threshold);
 
-    auto box_cls = env->FindClass("com/wzt/yolov5/Box");
+    auto box_cls = env->FindClass("wificar/Box");
     auto cid = env->GetMethodID(box_cls, "<init>", "(FFFFIF)V");
     jobjectArray ret = env->NewObjectArray(result.size(), box_cls, nullptr);
     int i = 0;
@@ -124,7 +124,7 @@ Java_com_wzt_yolov5_YOLOv5_detectCustomLayer(JNIEnv *env, jclass, jobject image,
 // 20201124 澧炲姞 yolo-fastest-xl
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_YOLOv4_init(JNIEnv *env, jclass, jobject assetManager, jint yoloType, jboolean useGPU) {
+Java_wificar_YOLOv4_init(JNIEnv *env, jclass, jobject assetManager, jint yoloType, jboolean useGPU) {
     if (YoloV4::detector != nullptr) {
         delete YoloV4::detector;
         YoloV4::detector = nullptr;
@@ -143,10 +143,10 @@ Java_com_wzt_yolov5_YOLOv4_init(JNIEnv *env, jclass, jobject assetManager, jint
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_YOLOv4_detect(JNIEnv *env, jclass, jobject image, jdouble threshold, jdouble nms_threshold) {
+Java_wificar_YOLOv4_detect(JNIEnv *env, jclass, jobject image, jdouble threshold, jdouble nms_threshold) {
     auto result = YoloV4::detector->detect(env, image, threshold, nms_threshold);
 
-    auto box_cls = env->FindClass("com/wzt/yolov5/Box");
+    auto box_cls = env->FindClass("wificar/Box");
     auto cid = env->GetMethodID(box_cls, "<init>", "(FFFFIF)V");
     jobjectArray ret = env->NewObjectArray(result.size(), box_cls, nullptr);
     int i = 0;
@@ -163,7 +163,7 @@ Java_com_wzt_yolov5_YOLOv4_detect(JNIEnv *env, jclass, jobject image, jdouble th
                                          NanoDet
  ********************************************************************************************/
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_NanoDet_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
+Java_wificar_NanoDet_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
     if (NanoDet::detector != nullptr) {
         delete NanoDet::detector;
         NanoDet::detector = nullptr;
@@ -175,10 +175,10 @@ Java_com_wzt_yolov5_NanoDet_init(JNIEnv *env, jclass, jobject assetManager, jboo
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_NanoDet_detect(JNIEnv *env, jclass, jobject image, jdouble threshold, jdouble nms_threshold) {
+Java_wificar_NanoDet_detect(JNIEnv *env, jclass, jobject image, jdouble threshold, jdouble nms_threshold) {
     auto result = NanoDet::detector->detect(env, image, threshold, nms_threshold);
 
-    auto box_cls = env->FindClass("com/wzt/yolov5/Box");
+    auto box_cls = env->FindClass("wificar/Box");
     auto cid = env->GetMethodID(box_cls, "<init>", "(FFFFIF)V");
     jobjectArray ret = env->NewObjectArray(result.size(), box_cls, nullptr);
     int i = 0;
@@ -197,7 +197,7 @@ Java_com_wzt_yolov5_NanoDet_detect(JNIEnv *env, jclass, jobject image, jdouble t
  ********************************************************************************************/
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_SimplePose_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
+Java_wificar_SimplePose_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
     if (SimplePose::detector != nullptr) {
         delete SimplePose::detector;
         SimplePose::detector = nullptr;
@@ -209,10 +209,10 @@ Java_com_wzt_yolov5_SimplePose_init(JNIEnv *env, jclass clazz, jobject assetMana
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_SimplePose_detect(JNIEnv *env, jclass clazz, jobject image) {
+Java_wificar_SimplePose_detect(JNIEnv *env, jclass clazz, jobject image) {
     auto result = SimplePose::detector->detect(env, image);
 
-    auto box_cls = env->FindClass("com/wzt/yolov5/KeyPoint");
+    auto box_cls = env->FindClass("wificar/KeyPoint");
     auto cid = env->GetMethodID(box_cls, "<init>", "([F[FFFFFF)V");
     jobjectArray ret = env->NewObjectArray(result.size(), box_cls, nullptr);
     int i = 0;
@@ -272,7 +272,7 @@ jcharArray matToBitmapCharArray(JNIEnv *env, const cv::Mat &image) {
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_Yolact_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
+Java_wificar_Yolact_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
     if (Yolact::detector != nullptr) {
         delete Yolact::detector;
         Yolact::detector = nullptr;
@@ -284,10 +284,10 @@ Java_com_wzt_yolov5_Yolact_init(JNIEnv *env, jclass clazz, jobject assetManager,
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_Yolact_detect(JNIEnv *env, jclass clazz, jobject image) {
+Java_wificar_Yolact_detect(JNIEnv *env, jclass clazz, jobject image) {
     auto result = Yolact::detector->detect_yolact(env, image);
 
-    auto yolact_mask = env->FindClass("com/wzt/yolov5/YolactMask");
+    auto yolact_mask = env->FindClass("wificar/YolactMask");
 //    auto cid = env->GetMethodID(yolact_mask, "<init>", "(FFFFIF[F[I)V");
     auto cid = env->GetMethodID(yolact_mask, "<init>", "(FFFFIF[F[C)V");
     jobjectArray ret = env->NewObjectArray(result.size(), yolact_mask, nullptr);
@@ -357,7 +357,7 @@ std::string jstring2str(JNIEnv *env, jstring jstr) {
 }
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_ocr_ChineseOCRLite_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
+Java_wificar_ocr_ChineseOCRLite_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
     if (OCR::detector != nullptr) {
         delete OCR::detector;
         OCR::detector = nullptr;
@@ -369,13 +369,13 @@ Java_com_wzt_yolov5_ocr_ChineseOCRLite_init(JNIEnv *env, jclass clazz, jobject a
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_ocr_ChineseOCRLite_detect(JNIEnv *env, jclass clazz, jobject bitmap, jint short_size) {
+Java_wificar_ocr_ChineseOCRLite_detect(JNIEnv *env, jclass clazz, jobject bitmap, jint short_size) {
     auto ocrResult = OCR::detector->detect(env, bitmap, short_size);
 //    LOGD("jni ocr result size:%ld", ocrResult.size());
 //    LOGD("jni ocr ocrresult[0].pre_res size:%ld", ocrResult[0].pre_res.size());
 //    LOGD("jni ocr ocrresult[0][0]:%s", ocrResult[0].pre_res[0].c_str());
 
-    auto ocr_result = env->FindClass("com/wzt/yolov5/ocr/OCRResult");
+    auto ocr_result = env->FindClass("wificar/ocr/OCRResult");
     auto cid = env->GetMethodID(ocr_result, "<init>", "([D[DLjava/lang/String;)V");
     jobjectArray ret = env->NewObjectArray(ocrResult.size(), ocr_result, nullptr);
     int i = 0;
@@ -422,7 +422,7 @@ Java_com_wzt_yolov5_ocr_ChineseOCRLite_detect(JNIEnv *env, jclass clazz, jobject
                                             ENet
  ********************************************************************************************/
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_ENet_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
+Java_wificar_ENet_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
     if (ENet::detector != nullptr) {
         delete ENet::detector;
         ENet::detector = nullptr;
@@ -434,7 +434,7 @@ Java_com_wzt_yolov5_ENet_init(JNIEnv *env, jclass, jobject assetManager, jboolea
 }
 
 extern "C" JNIEXPORT jfloatArray JNICALL
-Java_com_wzt_yolov5_ENet_detect(JNIEnv *env, jclass, jobject image) {
+Java_wificar_ENet_detect(JNIEnv *env, jclass, jobject image) {
     auto result = ENet::detector->detect_enet(env, image);
 
     int output_w = result.w;
@@ -459,7 +459,7 @@ Java_com_wzt_yolov5_ENet_detect(JNIEnv *env, jclass, jobject image) {
                                         MobileNetv3_Seg
  ********************************************************************************************/
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_MbnSeg_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
+Java_wificar_MbnSeg_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
     if (MBNV3Seg::detector != nullptr) {
         delete MBNV3Seg::detector;
         MBNV3Seg::detector = nullptr;
@@ -471,7 +471,7 @@ Java_com_wzt_yolov5_MbnSeg_init(JNIEnv *env, jclass, jobject assetManager, jbool
 }
 
 extern "C" JNIEXPORT jfloatArray JNICALL
-Java_com_wzt_yolov5_MbnSeg_detect(JNIEnv *env, jclass, jobject image) {
+Java_wificar_MbnSeg_detect(JNIEnv *env, jclass, jobject image) {
     auto result = MBNV3Seg::detector->detect_mbnseg(env, image);
 
     int output_w = result.w;
@@ -496,7 +496,7 @@ Java_com_wzt_yolov5_MbnSeg_detect(JNIEnv *env, jclass, jobject image) {
                                         MobileNetv2_FCN
  ********************************************************************************************/
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_MbnFCN_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
+Java_wificar_MbnFCN_init(JNIEnv *env, jclass, jobject assetManager, jboolean useGPU) {
     if (MbnFCN::detector != nullptr) {
         delete MbnFCN::detector;
         MbnFCN::detector = nullptr;
@@ -508,7 +508,7 @@ Java_com_wzt_yolov5_MbnFCN_init(JNIEnv *env, jclass, jobject assetManager, jbool
 }
 
 extern "C" JNIEXPORT jfloatArray JNICALL
-Java_com_wzt_yolov5_MbnFCN_detect(JNIEnv *env, jclass, jobject image) {
+Java_wificar_MbnFCN_detect(JNIEnv *env, jclass, jobject image) {
     auto result = MbnFCN::detector->detect_mbnfcn(env, image);
 
     int output_w = result.w;
@@ -534,7 +534,7 @@ Java_com_wzt_yolov5_MbnFCN_detect(JNIEnv *env, jclass, jobject image) {
  ********************************************************************************************/
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_FaceLandmark_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
+Java_wificar_FaceLandmark_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
     if (FaceLandmark::detector != nullptr) {
         delete FaceLandmark::detector;
         FaceLandmark::detector = nullptr;
@@ -546,10 +546,10 @@ Java_com_wzt_yolov5_FaceLandmark_init(JNIEnv *env, jclass clazz, jobject assetMa
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_FaceLandmark_detect(JNIEnv *env, jclass clazz, jobject image) {
+Java_wificar_FaceLandmark_detect(JNIEnv *env, jclass clazz, jobject image) {
     auto result = FaceLandmark::detector->detect(env, image);
 
-    auto box_cls = env->FindClass("com/wzt/yolov5/FaceKeyPoint");
+    auto box_cls = env->FindClass("wificar/FaceKeyPoint");
     auto cid = env->GetMethodID(box_cls, "<init>", "(FF)V");
     jobjectArray ret = env->NewObjectArray(result.size(), box_cls, nullptr);
     int i = 0;
@@ -567,7 +567,7 @@ Java_com_wzt_yolov5_FaceLandmark_detect(JNIEnv *env, jclass clazz, jobject image
                                             DBFace
  ********************************************************************************************/
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_DBFace_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
+Java_wificar_DBFace_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
     if (DBFace::detector != nullptr) {
         delete DBFace::detector;
         DBFace::detector = nullptr;
@@ -579,11 +579,11 @@ Java_com_wzt_yolov5_DBFace_init(JNIEnv *env, jclass clazz, jobject assetManager,
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_DBFace_detect(JNIEnv *env, jclass clazz, jobject image, jdouble threshold, jdouble nms_threshold) {
+Java_wificar_DBFace_detect(JNIEnv *env, jclass clazz, jobject image, jdouble threshold, jdouble nms_threshold) {
     auto result = DBFace::detector->detect(env, image, threshold, nms_threshold);
 //    LOGD("jni dbface size:%d %f %f", result.size(), threshold, nms_threshold);
 
-    auto box_cls = env->FindClass("com/wzt/yolov5/KeyPoint");
+    auto box_cls = env->FindClass("wificar/KeyPoint");
     auto cid = env->GetMethodID(box_cls, "<init>", "([F[FFFFFF)V");
     jobjectArray ret = env->NewObjectArray(result.size(), box_cls, nullptr);
     int i = 0;
@@ -616,7 +616,7 @@ Java_com_wzt_yolov5_DBFace_detect(JNIEnv *env, jclass clazz, jobject image, jdou
  ********************************************************************************************/
 
 extern "C" JNIEXPORT void JNICALL
-Java_com_wzt_yolov5_LightOpenPose_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
+Java_wificar_LightOpenPose_init(JNIEnv *env, jclass clazz, jobject assetManager, jboolean useGPU) {
     if (LightOpenPose::detector != nullptr) {
         delete LightOpenPose::detector;
         LightOpenPose::detector = nullptr;
@@ -628,10 +628,10 @@ Java_com_wzt_yolov5_LightOpenPose_init(JNIEnv *env, jclass clazz, jobject assetM
 }
 
 extern "C" JNIEXPORT jobjectArray JNICALL
-Java_com_wzt_yolov5_LightOpenPose_detect(JNIEnv *env, jclass clazz, jobject image) {
+Java_wificar_LightOpenPose_detect(JNIEnv *env, jclass clazz, jobject image) {
     auto poses = LightOpenPose::detector->detect(env, image);
 
-    auto box_cls = env->FindClass("com/wzt/yolov5/OpenPoseKeyPoint");
+    auto box_cls = env->FindClass("wificar/OpenPoseKeyPoint");
     auto cid = env->GetMethodID(box_cls, "<init>", "([F[FF)V");
     jobjectArray ret = env->NewObjectArray(poses.size(), box_cls, nullptr);
     int i = 0;
diff --git a/src/app/src/main/java/wificar/Box.java b/src/app/src/main/java/wificar/Box.java
new file mode 100644
index 0000000..8a1aaf3
--- /dev/null
+++ b/src/app/src/main/java/wificar/Box.java
@@ -0,0 +1,46 @@
+package wificar;
+
+import android.graphics.Color;
+import android.graphics.RectF;
+
+import java.util.Random;
+
+public class Box {
+    public float x0,y0,x1,y1;
+    private int label;
+    private float score;
+    private static String[] labels={"person", "bicycle", "car", "motorcycle", "airplane", "bus", "train", "truck", "boat", "traffic light",
+            "fire hydrant", "stop sign", "parking meter", "bench", "bird", "cat", "dog", "horse", "sheep", "cow",
+            "elephant", "bear", "zebra", "giraffe", "backpack", "umbrella", "handbag", "tie", "suitcase", "frisbee",
+            "skis", "snowboard", "sports ball", "kite", "baseball bat", "baseball glove", "skateboard", "surfboard",
+            "tennis racket", "bottle", "wine glass", "cup", "fork", "knife", "spoon", "bowl", "banana", "apple",
+            "sandwich", "orange", "broccoli", "carrot", "hot dog", "pizza", "donut", "cake", "chair", "couch",
+            "potted plant", "bed", "dining table", "toilet", "tv", "laptop", "mouse", "remote", "keyboard", "cell phone",
+            "microwave", "oven", "toaster", "sink", "refrigerator", "book", "clock", "vase", "scissors", "teddy bear",
+            "hair drier", "toothbrush"};
+    public Box(float x0,float y0, float x1, float y1, int label, float score){
+        this.x0 = x0;
+        this.y0 = y0;
+        this.x1 = x1;
+        this.y1 = y1;
+        this.label = label;
+        this.score = score;
+    }
+
+    public RectF getRect(){
+        return new RectF(x0,y0,x1,y1);
+    }
+
+    public String getLabel(){
+        return labels[label];
+    }
+
+    public float getScore(){
+        return score;
+    }
+
+    public int getColor(){
+        Random random = new Random(label);
+        return Color.argb(255,random.nextInt(256),random.nextInt(256),random.nextInt(256));
+    }
+}
diff --git a/src/app/src/main/java/wificar/KeyPoint.java b/src/app/src/main/java/wificar/KeyPoint.java
new file mode 100644
index 0000000..74c59eb
--- /dev/null
+++ b/src/app/src/main/java/wificar/KeyPoint.java
@@ -0,0 +1,75 @@
+package wificar;
+
+
+public class KeyPoint {
+    public float[] x;
+    public float[] y;
+    public float x0, y0, x1, y1;
+    public float score;
+
+    public KeyPoint(float[] x, float[] y, float x0, float y0, float x1, float y1, float score) {
+        this.x = x;
+        this.y = y;
+        this.x0 = x0;
+        this.y0 = y0;
+        this.x1 = x1;
+        this.y1 = y1;
+        this.score = score;
+    }
+
+    public float[] getX() {
+        return x;
+    }
+
+    public void setX(float[] x) {
+        this.x = x;
+    }
+
+    public float[] getY() {
+        return y;
+    }
+
+    public void setY(float[] y) {
+        this.y = y;
+    }
+
+    public float getX0() {
+        return x0;
+    }
+
+    public void setX0(float x0) {
+        this.x0 = x0;
+    }
+
+    public float getY0() {
+        return y0;
+    }
+
+    public void setY0(float y0) {
+        this.y0 = y0;
+    }
+
+    public float getX1() {
+        return x1;
+    }
+
+    public void setX1(float x1) {
+        this.x1 = x1;
+    }
+
+    public float getY1() {
+        return y1;
+    }
+
+    public void setY1(float y1) {
+        this.y1 = y1;
+    }
+
+    public float getScore() {
+        return score;
+    }
+
+    public void setScore(float score) {
+        this.score = score;
+    }
+}
diff --git a/src/app/src/main/java/wificar/MyMainFrm.java b/src/app/src/main/java/wificar/MyMainFrm.java
index b204225..01742cc 100644
--- a/src/app/src/main/java/wificar/MyMainFrm.java
+++ b/src/app/src/main/java/wificar/MyMainFrm.java
@@ -7,6 +7,10 @@ package wificar;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
 import android.os.Bundle;
 import android.view.KeyEvent;
 import android.view.View;
@@ -16,6 +20,8 @@ import android.widget.Button;
 import android.widget.EditText;
 import android.widget.Toast;
 
+import java.util.Random;
+
 import my.wificar.R;
 
 public class MyMainFrm extends Activity {
@@ -44,6 +50,8 @@ public class MyMainFrm extends Activity {
          * Button_go 启动按钮
          *
          * */
+        YOLOv5.init(getAssets(), true);
+        SimplePose.init(getAssets(),true);
 
         setContentView(R.layout.mymainfrm);
 
@@ -114,8 +122,6 @@ public class MyMainFrm extends Activity {
         }
         return super.onKeyDown(keyCode, event);
     }
-
-
 }
 
 
diff --git a/src/app/src/main/java/wificar/MySurfaceView.java b/src/app/src/main/java/wificar/MySurfaceView.java
index d8d3461..231032c 100644
--- a/src/app/src/main/java/wificar/MySurfaceView.java
+++ b/src/app/src/main/java/wificar/MySurfaceView.java
@@ -5,23 +5,41 @@ package wificar;
  * 如发现侵权行为，小R科技将择机通过法律途径予以起诉！
  * */
 
+import android.Manifest;
 import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Color;
+import android.graphics.ImageFormat;
+import android.graphics.Matrix;
 import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.YuvImage;
+import android.net.Uri;
+import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
 import android.util.Log;
+import android.util.Size;
 import android.view.SurfaceHolder;
 import android.view.SurfaceHolder.Callback;
 import android.view.SurfaceView;
+import android.widget.ImageView;
 import android.widget.Toast;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.core.app.ActivityCompat;
+import androidx.lifecycle.LifecycleOwner;
+
 import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
@@ -29,6 +47,14 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.nio.ByteBuffer;
+import java.util.Random;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import my.wificar.R;
+import wseemann.media.FFmpegMediaMetadataRetriever;
 
 public class MySurfaceView extends SurfaceView implements Callback {
     private static int mScreenWidth;
@@ -45,8 +71,12 @@ public class MySurfaceView extends SurfaceView implements Callback {
     private Bitmap mBitmap;
     private boolean isThreadRunning = true;
 
+    private MyVideo activity;
+    private ImageView floatingView;
+
     public MySurfaceView(Context context, AttributeSet attrs) {
         super(context, attrs);
+        activity = (MyVideo) context;
         Constant.context = context;
         initialize();
         p = new Paint();
@@ -71,7 +101,7 @@ public class MySurfaceView extends SurfaceView implements Callback {
             }
 
         };
-
+        SimplePose.init(context.getAssets(), USE_GPU);
     }
 
     private void initialize() {
@@ -346,6 +376,8 @@ public class MySurfaceView extends SurfaceView implements Callback {
                                                                     width, height,
                                                                     false);
 
+                                                    //TODO 获取到 bitmap 了
+                                                    detectOnModel(mBitmap);
                                                     canvas.drawBitmap(
                                                             mBitmap,
                                                             (mScreenWidth - width) / 2,
@@ -377,4 +409,130 @@ public class MySurfaceView extends SurfaceView implements Callback {
 
         }
     }
+    public static int YOLOV5S = 1;
+    public static int YOLOV4_TINY = 2;
+    public static int MOBILENETV2_YOLOV3_NANO = 3;
+    public static int SIMPLE_POSE = 4;
+    public static int YOLACT = 5;
+    public static int ENET = 6;
+    public static int FACE_LANDMARK = 7;
+    public static int DBFACE = 8;
+    public static int MOBILENETV2_FCN = 9;
+    public static int MOBILENETV3_SEG = 10;
+    public static int YOLOV5_CUSTOM_LAYER = 11;
+    public static int NANODET = 12;
+    public static int YOLO_FASTEST_XL = 13;
+    public static int LIGHT_OPEN_POSE = 14;
+
+    public static final int USE_MODEL = SIMPLE_POSE;
+    public static boolean USE_GPU = false;
+
+    private static final int REQUEST_CAMERA = 1;
+    private static final int REQUEST_PICK_IMAGE = 2;
+    private static final int REQUEST_PICK_VIDEO = 3;
+    private static String[] PERMISSIONS_CAMERA = {
+            Manifest.permission.CAMERA
+    };
+    private double threshold = 0.3, nms_threshold = 0.7;
+
+    protected float videoSpeed = 1.0f;
+    protected long videoCurFrameLoc = 0;
+    private AtomicBoolean detectCamera = new AtomicBoolean(false);
+    private AtomicBoolean detectPhoto = new AtomicBoolean(false);
+    private AtomicBoolean detectVideo = new AtomicBoolean(false);
+
+    private long startTime = 0;
+    private long endTime = 0;
+    private int width;
+    private int height;
+
+    double total_fps = 0;
+    int fps_count = 0;
+
+    protected Bitmap mutableBitmap;
+
+    ExecutorService detectService = Executors.newSingleThreadExecutor();
+
+    FFmpegMediaMetadataRetriever mmr;
+
+    private static boolean useCamera = true;
+
+    private void detectOnModel(Bitmap image) {
+        startTime = System.currentTimeMillis();
+        detectService.execute(() -> {
+            detectAndDraw(image);
+            showResultOnUI();
+        });
+    }
+
+    protected void showResultOnUI() {
+        if(floatingView == null) {
+            floatingView = activity.findViewById(R.id.floatingView);
+        }
+        activity.runOnUiThread(() -> {
+            if(mutableBitmap == null)return;
+            floatingView.setImageBitmap(mutableBitmap);
+        });
+    }
+    protected Bitmap drawPersonPose(Bitmap mutableBitmap, KeyPoint[] keyPoints) {
+        if (keyPoints == null || keyPoints.length <= 0) {
+            return mutableBitmap;
+        }
+        int[][] joint_pairs = {{0, 1}, {1, 3}, {0, 2}, {2, 4}, {5, 6}, {5, 7}, {7, 9}, {6, 8}, {8, 10}, {5, 11}, {6, 12}, {11, 12}, {11, 13}, {12, 14}, {13, 15}, {14, 16}};
+        Canvas canvas = new Canvas(mutableBitmap);
+        final Paint keyPointPaint = new Paint();
+        keyPointPaint.setAlpha(200);
+        keyPointPaint.setStyle(Paint.Style.STROKE);
+        keyPointPaint.setColor(Color.BLUE);
+        int color = Color.BLUE;
+        // 画线、画框、画点
+        for (int i = 0; i < keyPoints.length; i++) {
+            // 其它随机颜色
+            Random random = new Random(i + 2020);
+            color = Color.argb(255, random.nextInt(256), random.nextInt(256), random.nextInt(256));
+            // 画线
+            keyPointPaint.setStrokeWidth(5 * mutableBitmap.getWidth() / 800.0f);
+            for (int j = 0; j < 16; j++) {
+                int pl0 = joint_pairs[j][0];
+                int pl1 = joint_pairs[j][1];
+                if ((pl0 % 2 == 1) && (pl1 % 2 == 1) && pl0 >= 5 && pl1 >= 5) {
+                    keyPointPaint.setColor(Color.RED);
+                } else {
+                    keyPointPaint.setColor(color);
+                }
+                canvas.drawLine(keyPoints[i].x[joint_pairs[j][0]], keyPoints[i].y[joint_pairs[j][0]],
+                        keyPoints[i].x[joint_pairs[j][1]], keyPoints[i].y[joint_pairs[j][1]],
+                        keyPointPaint);
+            }
+            // 画点
+            keyPointPaint.setColor(Color.GREEN);
+            keyPointPaint.setStrokeWidth(8 * mutableBitmap.getWidth() / 800.0f);
+            for (int n = 0; n < 17; n++) {
+                canvas.drawPoint(keyPoints[i].x[n], keyPoints[i].y[n], keyPointPaint);
+            }
+            // 画框
+            keyPointPaint.setColor(color);
+            keyPointPaint.setStrokeWidth(3 * mutableBitmap.getWidth() / 800.0f);
+            canvas.drawRect(keyPoints[i].x0, keyPoints[i].y0, keyPoints[i].x1, keyPoints[i].y1, keyPointPaint);
+        }
+        return mutableBitmap;
+    }
+
+    protected Bitmap detectAndDraw(Bitmap image) {
+        Box[] result = null;
+        KeyPoint[] keyPoints = null;
+        if (USE_MODEL == YOLOV5S) {
+            result = YOLOv5.detect(image, threshold, nms_threshold);
+        } else if (USE_MODEL == SIMPLE_POSE) {
+            keyPoints = SimplePose.detect(image);
+        }
+        if (result == null && keyPoints == null) {
+            detectCamera.set(false);
+            return image;
+        }
+        if (USE_MODEL == SIMPLE_POSE) {
+            mutableBitmap = drawPersonPose(image, keyPoints);
+        }
+        return mutableBitmap;
+    }
 }
\ No newline at end of file
diff --git a/src/app/src/main/java/wificar/MyVideo.java b/src/app/src/main/java/wificar/MyVideo.java
index 4c081ab..209d2ae 100644
--- a/src/app/src/main/java/wificar/MyVideo.java
+++ b/src/app/src/main/java/wificar/MyVideo.java
@@ -60,10 +60,6 @@ public class MyVideo extends Activity {
         BtnRight = findViewById(R.id.button_right);
         BtnStop = findViewById(R.id.button_stop);
 
-        rockerView = new RockerView(this,socketWriter,this.getApplicationContext(),null);
-        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(600,600);
-        addContentView(rockerView,params);
-
         Intent intent = getIntent();
         //从Intent当中根据key取得value
         CameraIp = intent.getStringExtra("CameraIp");
@@ -73,6 +69,9 @@ public class MyVideo extends Activity {
         Log.d("wifirobot", "CtrlPort is :++++" + CtrlPort);
         r.GetCameraIP(CameraIp);
         InitSocket();
+        rockerView = new RockerView(this,socketWriter,this.getApplicationContext(),null);
+        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(600,600);
+        addContentView(rockerView,params);
         BtnForward.setOnClickListener(arg0 -> {
             // TODO Auto-generated method stub
             try {
diff --git a/src/app/src/main/java/wificar/SimplePose.java b/src/app/src/main/java/wificar/SimplePose.java
new file mode 100644
index 0000000..64e2e1d
--- /dev/null
+++ b/src/app/src/main/java/wificar/SimplePose.java
@@ -0,0 +1,13 @@
+package wificar;
+
+import android.content.res.AssetManager;
+import android.graphics.Bitmap;
+
+public class SimplePose {
+    static {
+        System.loadLibrary("yolov5");
+    }
+
+    public static native void init(AssetManager manager, boolean useGPU);
+    public static native KeyPoint[] detect(Bitmap bitmap);
+}
diff --git a/src/app/src/main/java/wificar/YOLOv5.java b/src/app/src/main/java/wificar/YOLOv5.java
new file mode 100644
index 0000000..fc3a75c
--- /dev/null
+++ b/src/app/src/main/java/wificar/YOLOv5.java
@@ -0,0 +1,16 @@
+package wificar;
+
+import android.content.res.AssetManager;
+import android.graphics.Bitmap;
+
+public class YOLOv5 {
+    static {
+        System.loadLibrary("yolov5");
+    }
+
+    public static native void init(AssetManager manager, boolean useGPU);
+    public static native Box[] detect(Bitmap bitmap, double threshold, double nms_threshold);
+
+    public static native void initCustomLayer(AssetManager manager, boolean useGPU);
+    public static native Box[] detectCustomLayer(Bitmap bitmap, double threshold, double nms_threshold);
+}
diff --git a/src/app/src/main/res/layout/myvideo.xml b/src/app/src/main/res/layout/myvideo.xml
index 26449bf..cdc18eb 100644
--- a/src/app/src/main/res/layout/myvideo.xml
+++ b/src/app/src/main/res/layout/myvideo.xml
@@ -18,6 +18,10 @@
         android:id="@+id/mySurfaceViewVideo"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
+    <ImageView
+        android:id="@+id/floatingView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
     
       <Button
         android:id="@+id/TakePhoto"