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Nova Api de Localização Android
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José Caique Oliveira
November 10, 2017
Programming
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Nova Api de Localização Android
Slides usados no TDC Porto Alegre
José Caique Oliveira
November 10, 2017
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Transcript
Nova API de localização para Android Diminuindo fricção
Caique Oliveira Graduado em Ciência da computação - UFS Android
developer - Stone Apresentação
Trabalhando com localização no Android
Implementar GooglePlayServicesClient - ConnectionCallbacks - OnConnectionFailedListener
ConnectionCallbacks override fun onConnected(p0: Bundle?){ } override fun onConnectionSuspended(p0: Int){
}
OnConnectionFailedListener override fun onConnectionFailed(p0: ConnectionResult) { }
Configurar GoogleApiClient fun initGoogleApiClient() { if (mGoogleApiClient != null) {
mGoogleApiClient = GoogleApiClient.Builder( this) .addConnectionCallbacks( this) .addOnConnectionFailedListener( this) .addApi(LocationServices. API) .build() } mGoogleApiClient?.connect() }
Conectar ao Play Services override fun onStart() { mGoogleApiClient?.connect() super.onStart()
}
Desconectar de acordo com o ciclo de vida override fun
onStop() { mGoogleApiClient?.disconnect() super.onStop() }
fun getLocation(): Location { return LocationServices.FusedLocationApi .getLastLocation(mGoogleApiClient) }
Meu Deus do Céu
Todo app é a mesma coisa
“É realmente necessário que eu mesmo controle o GoogleApiClient?”
“Eu realmente preciso controlar o ciclo de vida dele?”
Android Architecture Components
Android Architecture Components - Menor escrita de código - Framework
gerencia o ciclo de vida - Traz uma melhor experiência para o desenvolvedor
Reduzindo o atrito ao trabalhar com Location
implementation ‘com.google.android.gms:play-services-location:11.6.0’
LastLocation LocationServices.getFusedLocationProviderClient(this) .lastLocation.addOnSuccessListener({ location -> Log.e("location", location.toString()) })
implementa OnFailureListener override fun onFailure(p0: Exception) { val statusCode =
(p0 as ApiException).statusCode when (statusCode) { RESOLUTION_REQUIRED -> { //Fix in Settings." } SETTINGS_CHANGE_UNAVAILABLE -> { //Fix in Settings." } } }
LastLocation LocationServices.getFusedLocationProviderClient(this) .lastLocation.addOnSuccessListener({ location -> Log.v("location", location.toString()) }).addOnFailureListener(this)
Location Updates LocationServices.getFusedLocationProviderClient(this) .requestLocationUpdates( locationRequest = mLocationRequest, locationCallback = mLocationCallback,
looper = Looper.myLooper())
Location Updates - Callback val mLocationCallback = object : LocationCallback()
{ override fun onLocationResult(result: LocationResult?) { super.onLocationResult(result) Log.v("location",locationResult?.lastLocation?.toString()) } }
Location Updates - Request val mLocationRequest = LocationRequest() .setInterval(UPDATE_INTERVAL_IN_MILLISECONDS) .setFastestInterval(UPDATE_INTERVAL_IN_MILLISECONDS)
.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY)
Temos agora o foco para obter de forma simples uma
localização ou resolver um problema
Obrigado! twitter: @_josecaique email: jcaique.jc@gmail.com slack android dev br: caique
github: jcaiqueoliveira https://goo.gl/E1QsJg
Referências https://goo.gl/dLZ8X2 https://goo.gl/itG6pa
enter.stone.com.br