ref: f42cabb4c00acd643489c8758be0f6d490414ea8
app/src/main/java/ml/adamsprogs/bimba/search/ResultsActivity.kt
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package ml.adamsprogs.bimba.search import android.annotation.SuppressLint import android.content.Context import android.content.Intent import android.content.SharedPreferences import android.location.Location import android.location.LocationListener import android.location.LocationManager import android.net.ConnectivityManager import android.os.Bundle import android.os.Handler import android.os.Looper import android.util.Log import android.view.View import androidx.appcompat.app.AppCompatActivity import androidx.appcompat.content.res.AppCompatResources import androidx.core.view.WindowCompat import androidx.recyclerview.widget.LinearLayoutManager import com.google.openlocationcode.OpenLocationCode import kotlinx.coroutines.* import ml.adamsprogs.bimba.departures.DeparturesActivity import kotlinx.coroutines.Runnable import ml.adamsprogs.bimba.R import ml.adamsprogs.bimba.api.* import ml.adamsprogs.bimba.databinding.ActivityResultsBinding import java.io.InputStream class ResultsActivity : AppCompatActivity(), LocationListener { enum class Mode { MODE_LOCATION, MODE_SEARCH } private var _binding: ActivityResultsBinding? = null private val binding get() = _binding!! private lateinit var adapter: BimbaResultsAdapter private lateinit var preferences: SharedPreferences private val handler = Handler(Looper.getMainLooper()) private var runnable = Runnable {} override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) _binding = ActivityResultsBinding.inflate(layoutInflater) setContentView(binding.root) preferences = getSharedPreferences("shp", MODE_PRIVATE) binding.resultsRecycler.layoutManager = LinearLayoutManager(this) adapter = BimbaResultsAdapter(layoutInflater, this, listOf()) { when (it) { is Stop -> { val intent = Intent(this, DeparturesActivity::class.java).apply { putExtra("code", it.code) putExtra("name", it.name) } startActivity(intent) } is Line -> { TODO("start line graph activity") } } } binding.resultsRecycler.adapter = adapter setSupportActionBar(binding.topAppBar) WindowCompat.setDecorFitsSystemWindows(window, false) @Suppress("DEPRECATION") // fix_later getSerializable in API>=33 when (intent.extras?.get("mode")) { Mode.MODE_LOCATION -> { supportActionBar?.title = "Stops nearby" locate() } Mode.MODE_SEARCH -> { val query = intent.extras?.getString("query")!! supportActionBar?.title = "Results for ‘$query’" val host = preferences.getString("host", "bimba.apiote.xyz")!! getItemsByQuery( Server( host, preferences.getString("token", "")!!, preferences.getString("${host}_feeds", "")!! ), query ) } } } @SuppressLint("MissingPermission") private fun locate() { // todo also on back to this activity (onRestart?) val locationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager locationManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 5000, 10f, this ) handler.removeCallbacks(runnable) runnable = Runnable { showError(Error(0, R.string.error_gps, R.drawable.error_gps)) } handler.postDelayed(runnable, 60 * 1000) locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER) ?.let { onLocationChanged(it) } } override fun onLocationChanged(location: Location) { handler.removeCallbacks(runnable) val code = OpenLocationCode.encode(location.latitude, location.longitude) val locationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager locationManager.removeUpdates(this) val host = preferences.getString("host", "bimba.apiote.xyz")!! getItemsByLocation( Server( host, preferences.getString("token", "")!!, preferences.getString("${host}_feeds", "")!! ), code ) } override fun onDestroy() { // todo also on hide this activity (onPause?) super.onDestroy() val locationManager = getSystemService(Context.LOCATION_SERVICE) as LocationManager locationManager.removeUpdates(this) } private fun getItemsByQuery(server: Server, query: String) { val cm = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager MainScope().launch { val itemsResult = queryItems(cm, server, query) val response = if (itemsResult.stream != null) { unmarshallItemResponse(itemsResult.stream) } else { null } if (itemsResult.error != null) { Log.e("Results.query", "$itemsResult") Log.e("Results.query", "$response") showError(itemsResult.error) } else { updateItems((response as ItemsSuccess).items) } } } private fun getItemsByLocation(server: Server, plusCode: String) { val cm = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager MainScope().launch { val itemsResult = locateItems(cm, server, plusCode) val response = if (itemsResult.stream != null) { unmarshallItemResponse(itemsResult.stream) } else { null } if (itemsResult.error != null) { Log.e("Results.location", "$itemsResult") Log.e("Results.location", "$response") showError(itemsResult.error) } else { updateItems((response as ItemsSuccess).items) } } } private fun showError(error: Error) { binding.resultsProgress.visibility = View.GONE binding.resultsRecycler.visibility = View.GONE binding.errorImage.visibility = View.VISIBLE binding.errorText.visibility = View.VISIBLE binding.errorText.text = getString(error.stringResource) binding.errorImage.setImageDrawable(AppCompatResources.getDrawable(this, error.imageResource)) } private fun updateItems(items: List<Item>) { binding.resultsProgress.visibility = View.GONE adapter.update(items) if (items.isEmpty()) { binding.errorImage.visibility = View.VISIBLE binding.errorText.visibility = View.VISIBLE binding.resultsRecycler.visibility = View.GONE binding.errorText.text = getString(R.string.error_404) binding.errorImage.setImageDrawable( AppCompatResources.getDrawable( this, R.drawable.error_search ) ) } else { binding.resultsOverlay.visibility = View.GONE binding.errorImage.visibility = View.GONE binding.errorText.visibility = View.GONE binding.resultsRecycler.visibility = View.VISIBLE } } private suspend fun unmarshallItemResponse(stream: InputStream): ItemsResponse { return withContext(Dispatchers.IO) { ItemsResponse.unmarshal(stream) } } } |