#15: Added Volley Request to retrieve data for nearby Privys

app/build.gradle

@@ -26,7 +26,7 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
+    compile fileTree(include: ['*.jar'], dir: 'libs')
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
@@ -35,5 +35,6 @@ dependencies {
     compile 'com.google.android.gms:play-services:10.0.1'
     compile 'com.android.support:multidex:1.0.1'
     testCompile 'junit:junit:4.12'
-
+    compile 'com.google.code.gson:gson:2.8.0'
+    compile 'com.android.volley:volley:1.0.0'
 }

app/src/debug/res/values/google_maps_api.xml

@@ -16,6 +16,6 @@
     string in this file.
     -->
     <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">
-        AIzaSyBRmipbUtS7TF5c9biaFgR7D__JwtELKmk
+        AIzaSyCBAPcAmX5NUu2LB4fXw8eTd0Zp025nUYY
     </string>
 </resources>

app/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
          location permissions for the 'MyLocation' functionality. 
     -->
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+    <uses-permission android:name="android.permission.INTERNET" />
 
     <application
         android:allowBackup="true"

app/src/main/java/com/pulkit4tech/privy/PrivyMapsActivity.java

@@ -15,13 +15,13 @@
 import com.google.android.gms.maps.GoogleMap;
 import com.google.android.gms.maps.OnMapReadyCallback;
 import com.google.android.gms.maps.SupportMapFragment;
-import com.google.android.gms.maps.model.BitmapDescriptorFactory;
 import com.google.android.gms.maps.model.CameraPosition;
 import com.google.android.gms.maps.model.LatLng;
 import com.google.android.gms.maps.model.Marker;
 import com.google.android.gms.maps.model.MarkerOptions;
 import com.pulkit4tech.privy.data.LocationData;
 import com.pulkit4tech.privy.utilities.LocationServices;
+import com.pulkit4tech.privy.utilities.RequestData;
 
 import static com.pulkit4tech.privy.constants.Constants.DEBUG;
 import static com.pulkit4tech.privy.constants.Constants.CAMERA_ANIMATION_DURATION;
@@ -64,19 +64,26 @@ protected void onCreate(Bundle savedInstanceState) {
     public void onMapReady(GoogleMap googleMap) {
         mMap = googleMap;
         setUpMapInfo();
-        addMarkers();
     }
 
 
     private void addMarkers() {
 
-        // Add a test marker in Delhi and move the camera
-        LatLng delhi = new LatLng(28.633011, 77.219373);
-        mMap.addMarker(new MarkerOptions().position(delhi).anchor(.5f, .5f).title("Marker in Home"));
-        mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(delhi, 15.0f));
+        if(myLocationData == null) {
+            LocationServices locationService = new LocationServices(mContext);
+            myLocationData = locationService.getCurrentLocation();
+        }
+
+        if(myLocationData!=null)
+        markNearbyPrivys(myLocationData.getLatLng());
 
-        LatLng delhi2 = new LatLng(28.633511, 77.219444);
-        mMap.addMarker(new MarkerOptions().position(delhi2).anchor(.5f, .5f).title("Test Marker in Home2").icon(BitmapDescriptorFactory.fromResource(R.mipmap.ic_launcher)));
+        // Add a test marker in Delhi and move the camera
+//        LatLng delhi = new LatLng(28.633011, 77.219373);
+//        mMap.addMarker(new MarkerOptions().position(delhi).anchor(.5f, .5f).title("Marker in Home"));
+//        mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(delhi, 15.0f));
+//
+//        LatLng delhi2 = new LatLng(28.633511, 77.219444);
+//        mMap.addMarker(new MarkerOptions().position(delhi2).anchor(.5f, .5f).title("Test Marker in Home2").icon(BitmapDescriptorFactory.fromResource(R.mipmap.ic_launcher)));
 
     }
 
@@ -87,46 +94,48 @@ private void setUpMapInfo() {
         }else {
             setUpMyLocationMarker();
         }
-
     }
 
     private void setUpMyLocationMarker() {
         mMap.setMyLocationEnabled(true);
-        getMyCurrentLocation();
-    }
-
-    private void getMyCurrentLocation(){
         mMap.setOnMyLocationButtonClickListener(new GoogleMap.OnMyLocationButtonClickListener() {
             @Override
             public boolean onMyLocationButtonClick() {
-                LocationServices locationService = new LocationServices(mContext);
-                myLocationData = locationService.getCurrentLocation();
-                if(myLocationData!=null) {
-
-                    // checking for previous marker and if present, replacing it with new marker
-                    if(myLocationMarker!=null){
-                        myLocationMarker.remove();
-                    }
-
-                    MY_LOCATION_CAMERA_POS = new CameraPosition.Builder()
-                            .target(myLocationData.getLatLng())
-                            .zoom(15.0f)
-                            .bearing(0)
-                            .tilt(25)
-                            .build();
-
-                    myLocationMarker = mMap.addMarker(new MarkerOptions().position(myLocationData.getLatLng()).title("My Location"));
-
-                    //animate camera
-                    onGoToMyLocation();
-                    Log.d(DEBUG, myLocationData.getLatLng().toString());
-                }
+                getMyCurrentLocation();
                 return true;
             }
         });
+        getMyCurrentLocation();
+    }
+
+    private void getMyCurrentLocation(){
+        LocationServices locationService = new LocationServices(mContext);
+        myLocationData = locationService.getCurrentLocation();
+        if(myLocationData!=null) {
+
+            // checking for previous marker and if present, replacing it with new marker
+            if (myLocationMarker != null) {
+                myLocationMarker.remove();
+            }
+
+            MY_LOCATION_CAMERA_POS = new CameraPosition.Builder()
+                    .target(myLocationData.getLatLng())
+                    .zoom(15.0f)
+                    .bearing(0)
+                    .tilt(25)
+                    .build();
+
+            myLocationMarker = mMap.addMarker(new MarkerOptions().position(myLocationData.getLatLng()).title("My Location"));
+
+            //animate camera
+            moveCameraToMyLocation();
+            addMarkers();
+
+            Log.d(DEBUG, myLocationData.getLatLng().toString());
+        }
     }
 
-    private void onGoToMyLocation() {
+    private void moveCameraToMyLocation() {
         changeCamera(CameraUpdateFactory.newCameraPosition(MY_LOCATION_CAMERA_POS), new GoogleMap.CancelableCallback() {
             @Override
             public void onFinish() {
@@ -138,6 +147,7 @@ public void onCancel() {
                 Toast.makeText(mContext,"Animation Canceled",Toast.LENGTH_SHORT).show();
             }
         });
+
     }
 
     private void changeCamera(CameraUpdate update, GoogleMap.CancelableCallback callback){
@@ -166,4 +176,8 @@ public void onRequestPermissionsResult(int requestCode, @NonNull String[] permis
                 Log.d(DEBUG,"Some other request code: " + requestCode);
         }
     }
+
+    private void markNearbyPrivys(LatLng myLocation){
+       new RequestData(mContext,mMap,myLocation).getMarkerData();
+    }
 }

app/src/main/java/com/pulkit4tech/privy/data/MarkerData.java

@@ -0,0 +1,22 @@
+package com.pulkit4tech.privy.data;
+
+import com.google.android.gms.maps.model.LatLng;
+
+public class MarkerData {
+
+    //TODO : This is dummy test => USE GSON to Parse JSON
+
+    private LatLng test;
+
+    public MarkerData(){
+        test = new LatLng(28.7037992,77.1006268);
+    }
+
+    public LatLng getTest() {
+        return test;
+    }
+
+    public void setTest(LatLng test) {
+        this.test = test;
+    }
+}

app/src/main/java/com/pulkit4tech/privy/data/PrivyPost.java

@@ -0,0 +1,5 @@
+package com.pulkit4tech.privy.data;
+
+public class PrivyPost {
+
+}

app/src/main/java/com/pulkit4tech/privy/utilities/RequestData.java

@@ -0,0 +1,91 @@
+package com.pulkit4tech.privy.utilities;
+
+import android.content.Context;
+import android.net.Uri;
+import android.util.Log;
+import android.widget.Toast;
+
+import com.android.volley.Request;
+import com.android.volley.RequestQueue;
+import com.android.volley.Response;
+import com.android.volley.VolleyError;
+import com.android.volley.toolbox.StringRequest;
+import com.android.volley.toolbox.Volley;
+import com.google.android.gms.maps.GoogleMap;
+import com.google.android.gms.maps.model.LatLng;
+import com.google.android.gms.maps.model.MarkerOptions;
+import com.pulkit4tech.privy.R;
+import com.pulkit4tech.privy.data.MarkerData;
+
+import java.util.ArrayList;
+
+import static com.pulkit4tech.privy.constants.Constants.DEBUG;
+
+
+public class RequestData {
+
+    private LatLng myLocation;
+    private ArrayList<MarkerData> markerData;
+    private RequestQueue requestQueue;
+    private Context mContext;
+    private GoogleMap mMap;
+
+    private String LOCATION = "location";
+    private String NAME_KEY = "name";
+    private String NAME_VALUE = "toilet";
+    private String GOOGLE_MAP_API_KEY = "key";
+    private String MAPS = "maps";
+    private String API = "api";
+    private String PLACE = "place";
+    private String NEARBY = "nearbysearch";
+    private String TYPE = "json";
+
+    public RequestData(Context mContext, GoogleMap mMap, LatLng myLocation){
+        this.myLocation = myLocation;
+        this.mContext = mContext;
+        this.mMap = mMap;
+    }
+
+    public void getMarkerData(){
+        requestQueue = Volley.newRequestQueue(mContext);
+        Uri.Builder builder = new Uri.Builder();
+        builder.scheme("https")
+                .authority(mContext.getResources().getString(R.string.request_api))
+                .appendPath(MAPS)
+                .appendPath(API)
+                .appendPath(PLACE)
+                .appendPath(NEARBY)
+                .appendPath(TYPE)
+                .encodedQuery(LOCATION + "=" +String.format("%f,%f",myLocation.latitude,myLocation.longitude))
+                .appendQueryParameter(NAME_KEY,NAME_VALUE)
+                .appendQueryParameter(GOOGLE_MAP_API_KEY,mContext.getResources().getString(R.string.google_maps_key));
+
+        final String requestUrl = builder.build().toString();
+        Log.d(DEBUG,"URL:  " + requestUrl);
+
+        StringRequest request = new StringRequest(Request.Method.GET, requestUrl, new Response.Listener<String>() {
+            @Override
+            public void onResponse(String response) {
+                // testing response
+                Toast.makeText(mContext,"Got response",Toast.LENGTH_SHORT).show();
+                Log.d(DEBUG, "Response:  " + response);
+
+                // dummy data test TODO : Replace with JSON parsing
+                markerData = new ArrayList<>();
+                markerData.add(new MarkerData());
+
+                for (MarkerData data : markerData){
+                    mMap.addMarker(new MarkerOptions().position(data.getTest()).title("Test"));
+                }
+            }
+        }, new Response.ErrorListener() {
+            @Override
+            public void onErrorResponse(VolleyError error) {
+                Toast.makeText(mContext,"ERROR!!",Toast.LENGTH_SHORT).show();
+                Log.d(DEBUG, error.toString());
+            }
+        });
+
+        requestQueue.add(request);
+    }
+}

app/src/main/res/values/strings.xml

@@ -1,4 +1,5 @@
 <resources>
     <string name="app_name">Privy</string>
     <string name="title_activity_privy_maps">Nearby Privy\'s</string>
+    <string name="request_api">maps.googleapis.com</string>
 </resources>