diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 5bece02..ea78bcc 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -7,7 +7,6 @@
 
 
     <application
-        android:name=".application.MyApplication"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
diff --git a/libusbcamera/src/main/java/com/jiangdg/usbcamera/USBCameraManager.java b/libusbcamera/src/main/java/com/jiangdg/usbcamera/USBCameraManager.java
index dad39e8..6227385 100644
--- a/libusbcamera/src/main/java/com/jiangdg/usbcamera/USBCameraManager.java
+++ b/libusbcamera/src/main/java/com/jiangdg/usbcamera/USBCameraManager.java
@@ -244,7 +244,7 @@ public class USBCameraManager{
         }
     }
 
-    private void startPreview(CameraViewInterface cameraView) {
+    public void startPreview(CameraViewInterface cameraView) {
         SurfaceTexture st = cameraView.getSurfaceTexture();
         if(mCameraHandler != null){
             mCameraHandler.startPreview(st);
diff --git a/libusbcamera/src/main/jniLibs/arm64-v8a/libUVCCamera.so b/libusbcamera/src/main/jniLibs/arm64-v8a/libUVCCamera.so
new file mode 100644
index 0000000..1956d96
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diff --git a/libusbcamera/src/main/jniLibs/arm64-v8a/libjpeg-turbo1500.so b/libusbcamera/src/main/jniLibs/arm64-v8a/libjpeg-turbo1500.so
new file mode 100644
index 0000000..281d0bc
Binary files /dev/null and b/libusbcamera/src/main/jniLibs/arm64-v8a/libjpeg-turbo1500.so differ
diff --git a/libusbcamera/src/main/jniLibs/arm64-v8a/libusb100.so b/libusbcamera/src/main/jniLibs/arm64-v8a/libusb100.so
new file mode 100644
index 0000000..c5606f7
Binary files /dev/null and b/libusbcamera/src/main/jniLibs/arm64-v8a/libusb100.so differ
diff --git a/libusbcamera/src/main/jniLibs/arm64-v8a/libuvc.so b/libusbcamera/src/main/jniLibs/arm64-v8a/libuvc.so
new file mode 100644
index 0000000..bd5028d
Binary files /dev/null and b/libusbcamera/src/main/jniLibs/arm64-v8a/libuvc.so differ