allprojects {
    repositories {
        ...
      maven { url 'https://jitpack.io' }
    }
}

dependencies {
  implementation 'com.github.AhmedAbdEllatiif:Torch:(lastest release version)'
}

  TorchProvider.Builder builder = new TorchProvider.Builder(this);
        builder.repeat(true)
            .repeatTimes(10)
            .intervalTime(100)
            .waitFor(5000)
            .infinite(true)
            .showToastException(true)
            .setTorchOnCallBack(new TorchProvider.Builder.OnTorchChanged() {
                    @Override
                    public void onTorchModeUnavailable(@NotNull String s) {
                         Log.d(TAG, "onTorchModeUnavailable: ")
                    }

                    @Override
                    public void onTorchModeChanged(@NotNull String s, boolean b) {
                      Log.d(TAG, "onTorchModeChanged: ")
                    }
                })
            .start()

   val builder = TorchProvider.Builder(this)
        builder
            .repeat(true)
            .repeatTimes(10)
            .intervalTime(100)
            .waitFor(5000)
            .infinite(true)
            .showToastException(true)
            .setTorchOnCallBack(object : TorchProvider.Builder.OnTorchChanged {
                override fun onTorchModeUnavailable(cameraId: String) {
                    Log.d(TAG, "onTorchModeUnavailable: ")
                }

                override fun onTorchModeChanged(cameraId: String, enabled: Boolean) {
                    Log.d(TAG, "onTorchModeChanged: ")
                }
            })
            .start()