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Sorted out the memory leak in radar fragment
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Arty Bishop committed
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@@ -38,103 +38,24 @@ class RadarFragment : Fragment(R.layout.fragment_radar) {
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private val viewModel: RadarViewModel by viewModels()
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private val navArgs: RadarFragmentArgs by navArgs()
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private lateinit var binding: FragmentRadarBinding
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private lateinit var radarView: RadarView
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private val radioAdapter = RadioAdapter()
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private var binding: FragmentRadarBinding? = null
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private var radarView: RadarView? = null
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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binding = FragmentRadarBinding.bind(view)
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setupComponents()
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}
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private fun setupComponents() {
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val context = requireContext()
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val adapter = RadioAdapter()
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val layoutManager = LinearLayoutManager(context)
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val itemDecoration = DividerItemDecoration(context, layoutManager.orientation)
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binding.run {
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binding = FragmentRadarBinding.bind(view).apply {
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radarRecycler.apply {
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setHasFixedSize(true)
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this.adapter = adapter
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this.layoutManager = LinearLayoutManager(context)
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addItemDecoration(itemDecoration)
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this.adapter = radioAdapter
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this.layoutManager = LinearLayoutManager(requireContext())
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(itemAnimator as SimpleItemAnimator).supportsChangeAnimations = false
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addItemDecoration(DividerItemDecoration(requireContext(), 1))
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}
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setupObservers(adapter)
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setupObservers()
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}
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}
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private fun setupObservers(radioAdapter: RadioAdapter) {
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viewModel.getPass(navArgs.catNum, navArgs.aosTime).observe(viewLifecycleOwner) { pass ->
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radarView = RadarView(requireContext()).apply {
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setShowAim(viewModel.getUseCompass())
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setScanning(viewModel.getShowSweep())
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}
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binding.radarCard.addView(radarView)
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viewModel.radarData.observe(viewLifecycleOwner) { passData ->
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radarView.setPosition(passData.satPos)
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radarView.setPositions(passData.satTrack)
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setPassText(pass, passData.satPos)
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}
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viewModel.transmitters.observe(viewLifecycleOwner) { list ->
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if (list.isNotEmpty()) {
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radioAdapter.submitList(list)
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binding.radarRecyclerMsg.text = getString(R.string.trans_data)
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} else {
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binding.radarRecyclerMsg.text = getString(R.string.trans_no_data)
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}
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radarView.invalidate()
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}
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viewModel.orientation.observe(viewLifecycleOwner) { value ->
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radarView.setOrientation(value.first, value.second, value.third)
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}
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binding.radarBack.setOnClickListener { findNavController().navigateUp() }
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binding.radarMap.setOnClickListener { navigateToMap(pass.catNum) }
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binding.radarBtnNotify.isEnabled = false
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binding.radarBtnSettings.setOnClickListener { navigateToSettings() }
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}
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}
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private fun setPassText(satPass: SatPass, satPos: SatPos) {
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val timeNow = System.currentTimeMillis()
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val radarAzim = getString(R.string.radar_az_value)
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val radarElev = getString(R.string.radar_el_value)
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val radarAlt = getString(R.string.radar_alt_value)
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val radarDist = getString(R.string.radar_dist_value)
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val radarId = getString(R.string.radar_sat_id)
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binding.radarAzValue.text = String.format(radarAzim, Math.toDegrees(satPos.azimuth))
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binding.radarElValue.text = String.format(radarElev, Math.toDegrees(satPos.elevation))
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binding.radarAltValue.text = String.format(radarAlt, satPos.altitude)
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binding.radarDstValue.text = String.format(radarDist, satPos.distance)
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binding.radarSatId.text = String.format(radarId, satPass.catNum)
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if (!satPass.isDeepSpace) {
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if (timeNow < satPass.aosTime) {
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val millisBeforeStart = satPass.aosTime.minus(timeNow)
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binding.radarTimer.text = millisBeforeStart.toTimerString()
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} else {
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val millisBeforeEnd = satPass.losTime.minus(timeNow)
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binding.radarTimer.text = millisBeforeEnd.toTimerString()
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if (timeNow > satPass.losTime) {
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binding.radarTimer.text = 0L.toTimerString()
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findNavController().navigateUp()
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}
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}
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} else {
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binding.radarTimer.text = 0L.toTimerString()
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}
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}
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private fun navigateToMap(catnum: Int) {
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val direction = RadarFragmentDirections.actionGlobalMapFragment(catnum)
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findNavController().navigate(direction)
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}
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private fun navigateToSettings() {
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val direction = RadarFragmentDirections.actionGlobalSettingsFragment()
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findNavController().navigate(direction)
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}
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override fun onResume() {
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super.onResume()
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viewModel.enableSensor()
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@@ -144,4 +65,79 @@ class RadarFragment : Fragment(R.layout.fragment_radar) {
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super.onPause()
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viewModel.disableSensor()
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}
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override fun onDestroyView() {
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binding?.radarRecycler?.adapter = null
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radarView = null
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binding = null
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super.onDestroyView()
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}
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private fun setupObservers() {
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viewModel.getPass(navArgs.catNum, navArgs.aosTime).observe(viewLifecycleOwner) { pass ->
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binding?.run {
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radarView = RadarView(requireContext()).apply {
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setShowAim(viewModel.getUseCompass())
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setScanning(viewModel.getShowSweep())
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}
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radarCard.addView(radarView)
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viewModel.radarData.observe(viewLifecycleOwner) { passData ->
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radarView?.setPosition(passData.satPos)
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radarView?.setPositions(passData.satTrack)
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setPassText(pass, passData.satPos)
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}
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viewModel.transmitters.observe(viewLifecycleOwner) { list ->
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if (list.isNotEmpty()) {
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radioAdapter.submitList(list)
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radarRecyclerMsg.text = getString(R.string.trans_data)
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} else {
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radarRecyclerMsg.text = getString(R.string.trans_no_data)
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}
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radarView?.invalidate()
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}
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viewModel.orientation.observe(viewLifecycleOwner) { value ->
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radarView?.setOrientation(value.first, value.second, value.third)
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}
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radarBack.setOnClickListener { findNavController().navigateUp() }
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radarMap.setOnClickListener {
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val direction = RadarFragmentDirections.actionGlobalMapFragment(pass.catNum)
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findNavController().navigate(direction)
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}
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radarBtnNotify.isEnabled = false
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radarBtnSettings.setOnClickListener {
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val direction = RadarFragmentDirections.actionGlobalSettingsFragment()
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findNavController().navigate(direction)
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}
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}
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}
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}
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private fun setPassText(satPass: SatPass, satPos: SatPos) {
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binding?.run {
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val timeNow = System.currentTimeMillis()
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val radarAzim = getString(R.string.radar_az_value)
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val radarElev = getString(R.string.radar_el_value)
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val radarAlt = getString(R.string.radar_alt_value)
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val radarDist = getString(R.string.radar_dist_value)
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val radarId = getString(R.string.radar_sat_id)
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radarAzValue.text = String.format(radarAzim, Math.toDegrees(satPos.azimuth))
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radarElValue.text = String.format(radarElev, Math.toDegrees(satPos.elevation))
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radarAltValue.text = String.format(radarAlt, satPos.altitude)
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radarDstValue.text = String.format(radarDist, satPos.distance)
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radarSatId.text = String.format(radarId, satPass.catNum)
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if (!satPass.isDeepSpace) {
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if (timeNow < satPass.aosTime) {
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val millisBeforeStart = satPass.aosTime.minus(timeNow)
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radarTimer.text = millisBeforeStart.toTimerString()
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} else {
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val millisBeforeEnd = satPass.losTime.minus(timeNow)
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radarTimer.text = millisBeforeEnd.toTimerString()
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if (timeNow > satPass.losTime) {
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radarTimer.text = 0L.toTimerString()
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findNavController().navigateUp()
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}
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}
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} else radarTimer.text = 0L.toTimerString()
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}
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}
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}
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