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I’m developing a native Android app, with the Android Studio IDE, which integrates with the Google Maps API.
I noticed in several videos that when activating the setMyLocation(True) property you should activate the location button (Top direct corner of Activity), but when enabled this property the button is not showing. I have tried several ways to fix the error, but I haven’t found the solution yet.
Details:
- I am inheriting the Supportmapfragment class.
- I use Google’s Location API to pick up location.
- All part of the location is working properly, the only problem is this button that is not displayed.
Source Codes:
Map activity (The setMyLocation(true) property is called in the onMapReady event
public class ActMap extends SupportMapFragment implements OnMapReadyCallback, GoogleMap.OnMapLongClickListener, GoogleApiClient.ConnectionCallbacks, LocationListener { private GoogleMap mMap; private GoogleApiClient googleApi; private LocationRequest locationRequest; private LatLng myLocation; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getMapAsync(this); } @Override public void onResume() { super.onResume(); if (googleApi != null && googleApi.isConnected()) { startLocationUpdate(); } } @Override public void onPause() { super.onPause(); if (googleApi != null) { stopLocationUpdate(); } } // Evento principal, após carregar o mapa @Override public void onMapReady(GoogleMap googleMap) { mMap = googleMap; mMap.setMyLocationEnabled(true); setSettingsMap(); callConenection(); } // quando conecta na API Location. O Bandle retorna um objeto location @Override public void onConnected(@Nullable Bundle bundle) { Location location = LocationServices.FusedLocationApi.getLastLocation(googleApi); if (location != null) { myLocation = new LatLng(location.getLatitude(), location.getLongitude()); moveCameraMyLocation(myLocation); } initLocationRequest(); startLocationUpdate(); } @Override public void onConnectionSuspended(int i) { } @Override public void onMapLongClick(LatLng latLng) { createMarker("Click no mapa", latLng); } //resultado do location request @Override public void onLocationChanged(Location location) { myLocation = new LatLng(location.getLatitude(), l ocation.getLongitude()); Toast.makeText(getContext(), "Latitude:" + myLocation.latitude + " Longetude:" + myLocation.longitude, Toast.LENGTH_LONG).show(); } //------------ FUNCOES PROPRIAS -----------// private void moveCameraMyLocation(LatLng latLng) { mMap.moveCamera(CameraUpdateFactory.newLatLng(myLocation)); mMap.animateCamera(CameraUpdateFactory.zoomTo(15), 2000, null); } //configurações da requisição da localização que é executada em um intervalo de tempo. private void initLocationRequest() { locationRequest = new LocationRequest(); locationRequest.setInterval(10000);//tempo que sera atualizado locationRequest.setFastestInterval(5000); // tempo minimo que sera atualiza (caso uma outra APP tentar atualizar dentro esse intervao, o metodo não executa} locationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY); // HIGH_ACCURAY é alta precisão (GPS); } //dispara o locationRequest private void startLocationUpdate() { LocationServices.FusedLocationApi.requestLocationUpdates(googleApi, locationRequest, this);// pegar dados de localização } //Pausa o location request private void stopLocationUpdate() { LocationServices.FusedLocationApi.removeLocationUpdates(googleApi, this); } //setando configurações iniciais; private void setSettingsMap() { try { mMap.getUiSettings().setZoomControlsEnabled(true); mMap.getUiSettings().setMyLocationButtonEnabled(true); mMap.setMapType(GoogleMap.MAP_TYPE_NORMAL); //Eventos mMap.setOnMapLongClickListener(this); } catch (Exception e) { Toast.makeText(getContext(), "Erro ao realizar configuração do mapa. Detalhes: " + e.getMessage(), Toast.LENGTH_LONG).show(); } } // metodo para criar marcadores public void createMarker(String title, LatLng position) { MarkerOptions marker = new MarkerOptions(); marker.title(title); marker.position(position); mMap.addMarker(marker); mMap.moveCamera(CameraUpdateFactory.newLatLng(position)); } //Conexão com api Location private synchronized void callConenection() { googleApi = new GoogleApiClient.Builder(getContext()) .addConnectionCallbacks(this) .addApi(LocationServices.API) .build(); googleApi.connect(); }- Layout ():
<fragment xmlns:android="http://schemas.android.com/apk/res/android" xmlns:map="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/map" android:name="com.google.android.gms.maps.SupportMapFragment" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.joao.deliall.ActMap" map:mapType="normal" map:uiCompass="true"/>Androidmanifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.joao.deliall"> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".ActSplashScreen" android:theme="@style/AppTheme.NoActionBar"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".ActMain" android:label="@string/app_name" android:theme="@style/AppTheme.NoActionBar"> <intent-filter> <action android:name="android.intent.action.MAIN" /> </intent-filter> </activity> <activity android:name=".ActLogin" android:label="@string/title_activity_act_login" /> <!-- The API key for Google Maps-based APIs is defined as a string resource. (See the file "res/values/google_maps_api.xml"). Note that the API key is linked to the encryption key used to sign the APK. You need a different API key for each encryption key, including the release key that is used to sign the APK for publishing. You can define the keys for the debug and release targets in src/debug/ and src/release/. --> <meta-data android:name="com.google.android.geo.API_KEY" android:value="@string/google_maps_key" /> <activity android:name=".ActMap" android:label="@string/title_activity_act_map"></activity> </application> </manifest>