As seguintes declara\u00e7\u00f5es: @string\/google_maps_key e @integer\/google_play_services_version. <\/p>\n\n\n\n
<resources>\n <string name=\"google_maps_key\" templateMergeStrategy=\"preserve\" translatable=\"false\">Coloque aqui a sua chave<\/string>\n<\/resources><\/pre><\/div>\n\n\n\nO segundo est\u00e1 no arquivo values.xml, esse arquivo n\u00e3o fica vis\u00edvel para voc\u00ea, ele est\u00e1 na pasta do gradle.<\/p>\n\n\n\n
Pelo que eu lembre esses dois arquivos s\u00e3o gerados automaticamente.<\/p>\n\n\n\n
<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<manifest xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"\n package=\"br.com.micheladrianomedeiros.ondetreinar\">\n\n <!--\n The ACCESS_COARSE\/FINE_LOCATION permissions are not required to use\n Google Maps Android API v2, but you must specify either coarse or fine\n location permissions for the \"MyLocation\" functionality.\n -->\n <uses-permission android:name=\"android.permission.ACCESS_FINE_LOCATION\" \/>\n <uses-permission android:name=\"android.permission.ACCESS_WIFI_STATE\" \/>\n <uses-permission android:name=\"android.permission.INTERNET\" \/>\n <uses-permission android:name=\"android.permission.ACCESS_NETWORK_STATE\" \/>\n <uses-permission android:name=\"android.permission.ACCESS_COARSE_LOCATION\"\/>\n\n <application\n android:allowBackup=\"true\"\n android:icon=\"@mipmap\/ic_launcher\"\n android:label=\"@string\/app_name\"\n android:roundIcon=\"@mipmap\/ic_launcher_round\"\n android:supportsRtl=\"true\"\n android:theme=\"@style\/AppTheme\"\n android:usesCleartextTraffic=\"true\">\n\n <!--\n The API key for Google Maps-based APIs is defined as a string resource.\n (See the file \"res\/values\/google_maps_api.xml\").\n Note that the API key is linked to the encryption key used to sign the APK.\n You need a different API key for each encryption key, including the release key that is used to\n sign the APK for publishing.\n You can define the keys for the debug and release targets in src\/debug\/ and src\/release\/.\n -->\n <meta-data\n android:name=\"com.google.android.geo.API_KEY\"\n android:value=\"@string\/google_maps_key\" \/>\n\n <meta-data\n android:name=\"com.google.android.gms.version\"\n android:value=\"@integer\/google_play_services_version\" \/>\n\n <activity\n android:name=\".mapa.ComoChegar\"\n android:label=\"@string\/title_activity_como_chegar\"><\/activity>\n <activity\n android:name=\".DetalheActivity\"\n android:label=\"@string\/title_activity_detalhe\"\n android:theme=\"@style\/AppTheme.NoActionBar\" \/>\n <activity android:name=\".ReviewList\" \/>\n <activity android:name=\".MainActivity\">\n <intent-filter>\n <action android:name=\"android.intent.action.MAIN\" \/>\n\n <category android:name=\"android.intent.category.LAUNCHER\" \/>\n <\/intent-filter>\n <\/activity>\n <\/application>\n\n<\/manifest><\/pre><\/div>\n\n\n\n<\/span>DetalheActivity.java<\/span><\/h4>\n\n\n\nAdicionei nesse arquivo a linha public static <\/strong>String ENDERECO_ACADEMIA <\/em>= null<\/strong>; para ser utilizado no arquivo ComoChegar.java.<\/p>\n\n\n\npackage br.com.micheladrianomedeiros.ondetreinar;\n\nimport android.content.Intent;\nimport android.os.Bundle;\nimport android.util.Log;\nimport android.view.View;\nimport android.widget.Button;\nimport android.widget.ImageView;\nimport android.widget.RatingBar;\nimport android.widget.TextView;\n\nimport androidx.appcompat.app.AppCompatActivity;\n\nimport com.squareup.picasso.Picasso;\n\nimport br.com.micheladrianomedeiros.ondetreinar.adapters.CustomAdapter;\nimport br.com.micheladrianomedeiros.ondetreinar.mapa.ComoChegar;\nimport br.com.micheladrianomedeiros.ondetreinar.model.DetalheAcademia;\nimport br.com.micheladrianomedeiros.ondetreinar.remote.HTTPService;\n\npublic class DetalheActivity extends AppCompatActivity {\n\n private TextView nomeDaAcademia, enderecoAcademia, telefoneAcademia, tipoAcademia, siteAcademia;\n private ImageView imageView;\n private RatingBar notaAcademia;\n private Button comoChegar;\n\n public static String ENDERECO_ACADEMIA = null;\n\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setContentView(R.layout.activity_detalhe);\n\n nomeDaAcademia = findViewById(R.id.nomeDaAcademia);\n imageView = findViewById(R.id.imagemDaAcademia);\n\n enderecoAcademia = findViewById(R.id.enderecoAcademia);\n telefoneAcademia = findViewById(R.id.telefoneAcademia);\n tipoAcademia = findViewById(R.id.tipoDeAcademia);\n siteAcademia = findViewById(R.id.siteDaAcademia);\n notaAcademia = findViewById(R.id.notaAcademia);\n\n comoChegar = findViewById(R.id.comoChegarAcademia);\n comoChegar.setOnClickListener(buttonClickListener);\n\n nomeDaAcademia.setText(CustomAdapter.ACADEMIA_CIDADE.getNome() + \"\\n\"\n + CustomAdapter.ACADEMIA_CIDADE.getCidade());\n Picasso.get().load(CustomAdapter.ACADEMIA_CIDADE.getThumb())\n .resize(100, 100).centerCrop().into(imageView);\n buscarAcademia();\n }\n\n private void buscarAcademia() {\n try {\n HTTPService service = new HTTPService();\n DetalheAcademia detalheAcademia = service\n .buscarAcademia(CustomAdapter.ACADEMIA_CIDADE.getId());\n ENDERECO_ACADEMIA = detalheAcademia.getEndereco();\n enderecoAcademia.setText(ENDERECO_ACADEMIA);\n telefoneAcademia.setText(detalheAcademia.getTelefone());\n tipoAcademia.setText(detalheAcademia.getTipoAcademia());\n siteAcademia.setText(detalheAcademia.getSite());\n notaAcademia.setRating(detalheAcademia.getNota());\n } catch (Exception e) {\n\n }\n }\n\n private View.OnClickListener buttonClickListener = v -> {\n switch (v.getId()) {\n case R.id.comoChegarAcademia:\n Intent intent = new Intent(this, ComoChegar.class);\n startActivity(intent);\n break;\n case View.NO_ID:\n default:\n Log.i(\"erro\", \"nada\");\n break;\n }\n };\n\n}\n<\/pre><\/div>\n\n\n\n<\/span>DirectionParser.java<\/span><\/h4>\n\n\n\nEsse arquivo coloquei na pasta tools.<\/p>\n\n\n\n
package br.com.micheladrianomedeiros.ondetreinar.tools;\n\nimport com.google.android.gms.maps.model.LatLng;\n\nimport org.json.JSONArray;\nimport org.json.JSONException;\nimport org.json.JSONObject;\n\nimport java.util.ArrayList;\nimport java.util.HashMap;\nimport java.util.List;\n\npublic class DirectionParser {\n \/**\n * Receives a JSONObject and returns a list of lists containing latitude and longitude\n *\/\n public List<List<HashMap<String, String>>> parse(JSONObject jObject) {\n\n List<List<HashMap<String, String>>> routes = new ArrayList<List<HashMap<String, String>>>();\n JSONArray jRoutes = null;\n JSONArray jLegs = null;\n JSONArray jSteps = null;\n\n try {\n\n jRoutes = jObject.getJSONArray(\"routes\");\n\n \/** Traversing all routes *\/\n for (int i = 0; i < jRoutes.length(); i++) {\n jLegs = ((JSONObject) jRoutes.get(i)).getJSONArray(\"legs\");\n List path = new ArrayList<HashMap<String, String>>();\n\n \/** Traversing all legs *\/\n for (int j = 0; j < jLegs.length(); j++) {\n jSteps = ((JSONObject) jLegs.get(j)).getJSONArray(\"steps\");\n\n \/** Traversing all steps *\/\n for (int k = 0; k < jSteps.length(); k++) {\n String polyline = \"\";\n polyline = (String) ((JSONObject) ((JSONObject) jSteps.get(k)).get(\"polyline\")).get(\"points\");\n List<LatLng> list = decodePoly(polyline);\n\n \/** Traversing all points *\/\n for (int l = 0; l < list.size(); l++) {\n HashMap<String, String> hm = new HashMap<String, String>();\n hm.put(\"lat\", Double.toString(((LatLng) list.get(l)).latitude));\n hm.put(\"lng\", Double.toString(((LatLng) list.get(l)).longitude));\n path.add(hm);\n }\n }\n routes.add(path);\n }\n }\n\n } catch (JSONException e) {\n e.printStackTrace();\n } catch (Exception e) {\n }\n return routes;\n }\n\n\n private List<LatLng> decodePoly(String encoded) {\n\n List<LatLng> poly = new ArrayList<LatLng>();\n int index = 0, len = encoded.length();\n int lat = 0, lng = 0;\n\n while (index < len) {\n int b, shift = 0, result = 0;\n do {\n b = encoded.charAt(index++) - 63;\n result |= (b & 0x1f) << shift;\n shift += 5;\n } while (b >= 0x20);\n int dlat = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));\n lat += dlat;\n\n shift = 0;\n result = 0;\n do {\n b = encoded.charAt(index++) - 63;\n result |= (b & 0x1f) << shift;\n shift += 5;\n } while (b >= 0x20);\n int dlng = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));\n lng += dlng;\n\n LatLng p = new LatLng((((double) lat \/ 1E5)),\n (((double) lng \/ 1E5)));\n poly.add(p);\n }\n return poly;\n }\n}<\/pre><\/div>\n\n\n\n<\/span>ComoChegar.java<\/span><\/h4>\n\n\n\nEsse arquivo \u00e9 o que vai manipular os dados para criar a rota, eu criei uma pasta chamada mapa e coloquei esse arquivo l\u00e1.<\/p>\n\n\n\n
package br.com.micheladrianomedeiros.ondetreinar.mapa;\n\nimport androidx.core.app.ActivityCompat;\nimport androidx.fragment.app.FragmentActivity;\n\nimport android.Manifest;\nimport android.content.Context;\nimport android.content.pm.PackageManager;\nimport android.graphics.Color;\nimport android.location.Address;\nimport android.location.Geocoder;\nimport android.location.Location;\nimport android.os.AsyncTask;\nimport android.os.Bundle;\nimport android.util.Log;\nimport android.widget.Toast;\n\nimport com.google.android.gms.location.FusedLocationProviderClient;\nimport com.google.android.gms.location.LocationServices;\nimport com.google.android.gms.maps.CameraUpdateFactory;\nimport com.google.android.gms.maps.GoogleMap;\nimport com.google.android.gms.maps.OnMapReadyCallback;\nimport com.google.android.gms.maps.SupportMapFragment;\nimport com.google.android.gms.maps.model.LatLng;\nimport com.google.android.gms.maps.model.MarkerOptions;\nimport com.google.android.gms.maps.model.PolylineOptions;\nimport com.google.android.gms.tasks.Task;\n\nimport org.json.JSONException;\nimport org.json.JSONObject;\n\nimport java.io.BufferedReader;\nimport java.io.IOException;\nimport java.io.InputStream;\nimport java.io.InputStreamReader;\nimport java.net.HttpURLConnection;\nimport java.net.URL;\nimport java.util.ArrayList;\nimport java.util.HashMap;\nimport java.util.List;\n\nimport br.com.micheladrianomedeiros.ondetreinar.DetalheActivity;\nimport br.com.micheladrianomedeiros.ondetreinar.R;\nimport br.com.micheladrianomedeiros.ondetreinar.tools.DirectionParser;\n\n\npublic class ComoChegar extends FragmentActivity implements OnMapReadyCallback {\n\n private GoogleMap mMap;\n private LatLng mOrigin;\n\n Location currentLocation;\n FusedLocationProviderClient fusedLocationProviderClient;\n private static final int REQUEST_CODE = 101;\n\n @Override\n protected void onCreate(Bundle savedInstanceState) {\n super.onCreate(savedInstanceState);\n setContentView(R.layout.activity_como_chegar);\n fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this);\n fetchLocation();\n }\n\n private void fetchLocation() {\n if (ActivityCompat.checkSelfPermission(\n this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(\n this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {\n ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_CODE);\n return;\n }\n Task<Location> task = fusedLocationProviderClient.getLastLocation();\n task.addOnSuccessListener(location -> {\n if (location != null) {\n currentLocation = location;\n\n SupportMapFragment supportMapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);\n assert supportMapFragment != null;\n supportMapFragment.getMapAsync(ComoChegar.this);\n\n mOrigin = new LatLng(currentLocation.getLatitude(), currentLocation.getLongitude());\n }\n });\n }\n\n \/**\n * This method will manipulate the Google Map on the main screen\n *\/\n @Override\n public void onMapReady(GoogleMap googleMap) {\n \/\/Google map setup\n mMap = googleMap;\n mMap.getUiSettings().setZoomControlsEnabled(true);\n if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {\n \/\/ TODO: Consider calling\n \/\/ ActivityCompat#requestPermissions\n \/\/ here to request the missing permissions, and then overriding\n \/\/ public void onRequestPermissionsResult(int requestCode, String[] permissions,\n \/\/ int[] grantResults)\n \/\/ to handle the case where the user grants the permission. See the documentation\n \/\/ for ActivityCompat#requestPermissions for more details.\n return;\n }\n mMap.setMyLocationEnabled(true);\n mMap.getUiSettings().setMyLocationButtonEnabled(true);\n\n \/\/ Show marker on the screen and adjust the zoom level\n mMap.addMarker(new MarkerOptions().position(mOrigin).title(\"EU\"));\n mMap.addMarker(new MarkerOptions().position(getLocationFromAddress(this)).title(\"DESTINO\"));\n mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(mOrigin,15));\n new TaskDirectionRequest().execute(buildRequestUrl(mOrigin));\n }\n\n \/**\n * Create requested url for Direction API to get routes from origin to destination\n *\n * @param origin\n * @return\n *\/\n private String buildRequestUrl(LatLng origin) {\n String strOrigin = \"origin=\" + origin.latitude + \",\" + origin.longitude;\n String strDestination = \"destination=\"+ DetalheActivity.ENDERECO_ACADEMIA;\n String sensor = \"sensor=false\";\n String mode = \"mode=driving\";\n\n String param = strOrigin + \"&\" + strDestination + \"&\" + sensor + \"&\" + mode;\n String output = \"json\";\n String APIKEY = getResources().getString(R.string.google_maps_key);\n\n String url = \"https:\/\/maps.googleapis.com\/maps\/api\/directions\/\" + output + \"?\" + param + \"&key=\"+APIKEY;\n Log.d(\"TAG\", url);\n return url;\n }\n\n \/**\n * Request direction from Google Direction API\n *\n *\n * @return JSON data routes\/direction\n *\/\n private String requestDirection(String requestedUrl) {\n String responseString = \"\";\n InputStream inputStream = null;\n HttpURLConnection httpURLConnection = null;\n try {\n URL url = new URL(requestedUrl);\n httpURLConnection = (HttpURLConnection) url.openConnection();\n httpURLConnection.connect();\n\n inputStream = httpURLConnection.getInputStream();\n InputStreamReader reader = new InputStreamReader(inputStream);\n BufferedReader bufferedReader = new BufferedReader(reader);\n\n StringBuffer stringBuffer = new StringBuffer();\n String line = \"\";\n while ((line = bufferedReader.readLine()) != null) {\n stringBuffer.append(line);\n }\n responseString = stringBuffer.toString();\n bufferedReader.close();\n reader.close();\n } catch (Exception e) {\n e.printStackTrace();\n } finally {\n if (inputStream != null) {\n try {\n inputStream.close();\n } catch (IOException e) {\n e.printStackTrace();\n }\n }\n }\n httpURLConnection.disconnect();\n return responseString;\n }\n\n \/\/Get JSON data from Google Direction\n public class TaskDirectionRequest extends AsyncTask<String, Void, String> {\n @Override\n protected String doInBackground(String... strings) {\n String responseString = \"\";\n try {\n responseString = requestDirection(strings[0]);\n } catch (Exception e) {\n e.printStackTrace();\n }\n return responseString;\n }\n\n @Override\n protected void onPostExecute(String responseString) {\n super.onPostExecute(responseString);\n \/\/Json object parsing\n TaskParseDirection parseResult = new TaskParseDirection();\n parseResult.execute(responseString);\n }\n }\n\n\n \/\/Parse JSON Object from Google Direction API & display it on Map\n public class TaskParseDirection extends AsyncTask<String, Void, List<List<HashMap<String, String>>>> {\n @Override\n protected List<List<HashMap<String, String>>> doInBackground(String... jsonString) {\n List<List<HashMap<String, String>>> routes = null;\n JSONObject jsonObject = null;\n\n try {\n jsonObject = new JSONObject(jsonString[0]);\n DirectionParser parser = new DirectionParser();\n routes = parser.parse(jsonObject);\n } catch (JSONException e) {\n e.printStackTrace();\n }\n return routes;\n }\n\n @Override\n protected void onPostExecute(List<List<HashMap<String, String>>> lists) {\n super.onPostExecute(lists);\n ArrayList points = null;\n PolylineOptions polylineOptions = null;\n\n for (List<HashMap<String, String>> path : lists) {\n points = new ArrayList();\n polylineOptions = new PolylineOptions();\n\n for (HashMap<String, String> point : path) {\n double lat = Double.parseDouble(point.get(\"lat\"));\n double lon = Double.parseDouble(point.get(\"lng\"));\n\n points.add(new LatLng(lat, lon));\n }\n polylineOptions.addAll(points);\n polylineOptions.width(15f);\n polylineOptions.color(Color.BLUE);\n polylineOptions.geodesic(true);\n }\n if (polylineOptions != null) {\n mMap.addPolyline(polylineOptions);\n } else {\n Toast.makeText(getApplicationContext(), \"Direction not found\", Toast.LENGTH_LONG).show();\n }\n }\n }\n\n public LatLng getLocationFromAddress(Context context) {\n\n Geocoder coder = new Geocoder(context);\n List<Address> address;\n LatLng p1 = null;\n\n try {\n \/\/ May throw an IOException\n address = coder.getFromLocationName(DetalheActivity.ENDERECO_ACADEMIA, 5);\n if (address == null) {\n return null;\n }\n\n Address location = address.get(0);\n p1 = new LatLng(location.getLatitude(), location.getLongitude() );\n\n } catch (IOException ex) {\n\n ex.printStackTrace();\n }\n\n return p1;\n }\n\n}<\/pre><\/div>\n\n\n\n