TF2 Object detection by custom dataset on Android

Hi
I am really struggling with object detection with the custom dataset.
I tried several ways to solve it but…
I am able to train my model and create the model
I am able to convert it to metadata and .tflite formate
I put it in the assets folder with labelmap.txt and comment out this comment ’ apply from… ’ in build.gradle but when running the app it stops the app on the phone

Please guide me for more than 10 days I am stuck in this step
these are some of my model that I created
detect.tflite

I provided errors that happen in the android studio when I running the app.

2022-08-05 00:22:33.846 5758-5758/org.tensorflow.lite.examples.objectdetection E/AndroidRuntime: FATAL EXCEPTION: main
    Process: org.tensorflow.lite.examples.objectdetection, PID: 5758
    java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:612)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)
     Caused by: java.lang.reflect.InvocationTargetException
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130) 
     Caused by: java.io.FileNotFoundException: mobilenetv1.tflite
        at android.content.res.AssetManager.nativeOpenAssetFd(Native Method)
        at android.content.res.AssetManager.openFd(AssetManager.java:950)
        at org.tensorflow.lite.task.core.TaskJniUtils.createHandleFromFdAndOptions(TaskJniUtils.java:65)
        at org.tensorflow.lite.task.vision.detector.ObjectDetector.createFromFileAndOptions(ObjectDetector.java:147)
        at org.tensorflow.lite.examples.objectdetection.ObjectDetectorHelper.setupObjectDetector(ObjectDetectorHelper.kt:96)
        at org.tensorflow.lite.examples.objectdetection.ObjectDetectorHelper.<init>(ObjectDetectorHelper.kt:45)
        at org.tensorflow.lite.examples.objectdetection.ObjectDetectorHelper.<init>(ObjectDetectorHelper.kt:30)
        at org.tensorflow.lite.examples.objectdetection.fragments.CameraFragment.onViewCreated(CameraFragment.kt:98)
        at androidx.fragment.app.Fragment.performViewCreated(Fragment.java:2987)
        at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:546)
        at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:282)
        at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2189)
        at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2106)
        at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2002)
        at androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:3138)
        at androidx.fragment.app.FragmentManager.dispatchStart(FragmentManager.java:3079)
        at androidx.fragment.app.Fragment.performStart(Fragment.java:3030)
        at androidx.fragment.app.FragmentStateManager.start(FragmentStateManager.java:589)
        at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:300)
        at androidx.fragment.app.FragmentStore.moveToExpectedState(FragmentStore.java:112)
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1647)
        at androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:3128)
        at androidx.fragment.app.FragmentManager.dispatchStart(FragmentManager.java:3079)
        at androidx.fragment.app.FragmentController.dispatchStart(FragmentController.java:262)
        at androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:510)
        at androidx.appcompat.app.AppCompatActivity.onStart(AppCompatActivity.java:246)
        at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1435)
        at android.app.Activity.performStart(Activity.java:8231)
        at android.app.ActivityThread.handleStartActivity(ActivityThread.java:3872)
        at android.app.servertransaction.TransactionExecutor.performLifecycleSequence(TransactionExecutor.java:221)
        at android.app.servertransaction.TransactionExecutor.cycleToPath(TransactionExecutor.java:201)
        at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:173)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:97)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2336)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:246)
        at android.app.ActivityThread.main(ActivityThread.java:8653)