diff --git a/app/src/main/cpp/MicroPhoto.cpp b/app/src/main/cpp/MicroPhoto.cpp
index f560c866..8ddab27d 100644
--- a/app/src/main/cpp/MicroPhoto.cpp
+++ b/app/src/main/cpp/MicroPhoto.cpp
@@ -20,6 +20,7 @@
 
 #include "Camera.h"
 #include "Camera2Reader.h"
+#include "GPIOControl.h"
 
 #ifdef USING_BREAK_PAD
 bool DumpCallback(const google_breakpad::MinidumpDescriptor& descriptor,
@@ -461,4 +462,23 @@ Java_com_xypower_mpapp_MicroPhotoService_recordingFinished(
 
         env->ReleaseStringUTFChars(path, pathStr);
     }
-}
\ No newline at end of file
+}
+
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_xypower_mpapp_MicroPhotoService_setOtgState(
+        JNIEnv* env,
+        jclass cls, jboolean enabled) {
+
+    GpioControl::setOtgState(enabled != JNI_FALSE);
+
+}
+
+extern "C" JNIEXPORT void JNICALL
+Java_com_xypower_mpapp_MicroPhotoService_setCam3V3Enable(
+        JNIEnv* env,
+        jclass cls, jboolean enabled) {
+
+    GpioControl::setCam3V3Enable(enabled != JNI_FALSE);
+}
+
diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index d413109d..d191aaca 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -905,8 +905,6 @@ bool CPhoneDevice::OnImageReady(cv::Mat& mat)
         return false;
     }
 
-
-
     mPhotoInfo.photoTime = time(NULL);
     int baseline = 0;
     cv::Size textSize, textSize2;
diff --git a/app/src/main/cpp/PhoneDevice.h b/app/src/main/cpp/PhoneDevice.h
index ddd20585..dd9f3f30 100644
--- a/app/src/main/cpp/PhoneDevice.h
+++ b/app/src/main/cpp/PhoneDevice.h
@@ -247,6 +247,8 @@ protected:
 
 protected:
 
+	std::mutex mCameraPowerLocker;
+
     JavaVM* m_vm;
     jobject m_javaService;
 	jclass m_sysApiClass;
@@ -287,7 +289,7 @@ protected:
 
 	long mCameraPowerCount;
 	long mOtgCount;
-	std::mutex mCameraPowerLocker;
+
 };
 
 
diff --git a/app/src/main/java/com/xypower/mpapp/MainActivity.java b/app/src/main/java/com/xypower/mpapp/MainActivity.java
index 81c98b8d..692d4a16 100644
--- a/app/src/main/java/com/xypower/mpapp/MainActivity.java
+++ b/app/src/main/java/com/xypower/mpapp/MainActivity.java
@@ -474,10 +474,10 @@ public class MainActivity extends AppCompatActivity {
         binding.btnCameraInfo.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                SysApi.setOtgState(true);
+                MicroPhotoService.setOtgState(true);
 
                 // SysApi.setOtgState(true);
-                SysApi.setCam3V3Enable(true);
+                MicroPhotoService.setCam3V3Enable(true);
 
                 Runnable runnable = new Runnable() {
                     @Override
@@ -486,8 +486,8 @@ public class MainActivity extends AppCompatActivity {
 
                         Log.d(TAG, cameraInfo);
 
-                        SysApi.setCam3V3Enable(false);
-                        SysApi.setOtgState(false);
+                        MicroPhotoService.setCam3V3Enable(false);
+                        MicroPhotoService.setOtgState(false);
 
                         Toast.makeText(view.getContext(), cameraInfo, Toast.LENGTH_LONG).show();
                     }
diff --git a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
index 955732fc..7e61506b 100644
--- a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
+++ b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
@@ -170,7 +170,8 @@ public class MicroPhotoService extends Service {
             intentFilter.addAction(ACTION_MSG_BROADCAST);
             intentFilter.addAction(ACTION_VIDEO_FINISHED);
             intentFilter.addAction(ACTION_STOP);
-            getApplicationContext().registerReceiver(mAlarmReceiver, intentFilter);
+            // intentFilter.addCategory(Intent.CATEGORY_DEFAULT);
+            getApplicationContext().registerReceiver(mAlarmReceiver, intentFilter, Context.RECEIVER_EXPORTED | Context.RECEIVER_VISIBLE_TO_INSTANT_APPS);
 
             // IntentFilter intentFilter2 = new IntentFilter(ACTION_MSG_BROADCAST);
             // registerReceiver(mAlarmReceiver, intentFilter2);
@@ -555,22 +556,27 @@ public class MicroPhotoService extends Service {
     public static void sendHeartbeat(Context context) {
 
         Intent alarmIntent = new Intent();
+
         // if(Build.VERSION.SDK_INT >= 26) {
         //    alarmIntent.addFlags(0x01000000);
         //}
-        alarmIntent.setComponent(new ComponentName(context.getPackageName(),AlarmReceiver.class.getName()));
+        // String className = AlarmReceiver.class.getName();
+        // alarmIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
+        // context.startService(alarmIntent);
+
+        // alarmIntent.setComponent(new ComponentName(context.getPackageName(), className));
         // alarmIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         // alarmIntent.setPackage(context.getPackageName());
         alarmIntent.setAction(ACTION_HEARTBEAT_MANUALLY);
-        // PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, alarmIntent, 0);
+        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, alarmIntent, 0);
 
-        context.sendBroadcast(alarmIntent);
+        // context.sendBroadcast(alarmIntent);
         // context.sendBroadcast(alarmIntent);
         // LocalBroadcastManager localBroadcastManager = LocalBroadcastManager.getInstance(context);
         // localBroadcastManager.sendBroadcast(alarmIntent);
 
-        // AlarmManager alarmManager = (AlarmManager) context.getSystemService(ALARM_SERVICE);
-        // alarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + 100, pendingIntent);
+        AlarmManager alarmManager = (AlarmManager) context.getSystemService(ALARM_SERVICE);
+        alarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock.elapsedRealtime() + 100, pendingIntent);
     }
 
     @Override
@@ -1078,6 +1084,8 @@ cellSignalStrengthGsm.getDbm();
     protected native void updatePosition(long handler, double lon, double lat, long ts);
     protected native boolean uninit(long handler);
     protected native void recordingFinished(long handler, boolean result, String path, long videoId);
+    public static native void setOtgState(boolean enabled);
+    public static native void setCam3V3Enable(boolean enabled);
 
     ////////////////////////GPS////////////////////
     private static final String GPS_LOCATION_NAME = android.location.LocationManager.GPS_PROVIDER;