fixed loading

app/src/main/assets/coupons.json

@@ -1,3 +1,6 @@
 [
-
+  {
+    "code": "2345",
+    "reward": "fdasfasdf"
+  }
 ]

app/src/main/assets/locations.json

@@ -2,7 +2,6 @@
   {
     "name": "kees kroket",
     "coordinates": "2.4654645,6.2342323",
-    "description": "lekkere patatjes",
+    "description": "lekkere patatjes"
-    "imageUrl": "R.id.yeet"
   }
 ]

app/src/main/assets/routes.json

@@ -1,3 +1,14 @@
 [
-
+  {
+    "name": "rondje stad",
+    "locations": [
+      {
+        "name": "kees kroket",
+        "coordinates": "2.4654645,6.2342323",
+        "description": "lekkere patatjes"
+      }
+    ],
+    "totalDistance": 2.3434,
+    "totalTime": 342342
+  }
 ]

app/src/main/java/com/a1/nextlocation/data/FileIO.java

@@ -7,10 +7,12 @@ import android.util.Log;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 
+import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.Reader;
+import java.lang.reflect.Type;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 
@@ -18,16 +20,29 @@ public class FileIO<T> {
     private final String TAG = FileIO.class.getCanonicalName();
 
 
-    public T readFileData(Context context, String fileName) {
+    public T readFileData(Context context, String fileName, Type typeOf) {
         Gson gson = new Gson();
         AssetManager am = context.getAssets();
         T res = null;
+        StringBuilder sb = new StringBuilder();
         try {
             InputStream is = am.open(fileName);
             InputStreamReader inputStreamReader = new InputStreamReader(is);
-            res = gson.fromJson(inputStreamReader,new TypeToken<T>(){}.getType());
+            BufferedReader reader = new BufferedReader(inputStreamReader);
+            String line;
+            while ((line = reader.readLine())!= null) {
+                sb.append(line);
+            }
+
+
+            Log.d(TAG, "readFileData: got string: " + sb.toString());
+            res = gson.fromJson(sb.toString(),typeOf);
             Log.d(TAG, "readFileData: got object: " + res);
 
+            reader.close();
+            inputStreamReader.close();
+            is.close();
+
         } catch (IOException e) {
             Log.d(TAG, "readFileData:  exception! " + e.getLocalizedMessage());
             e.printStackTrace();

app/src/main/java/com/a1/nextlocation/fragments/HomeFragment.java

@@ -20,8 +20,10 @@ import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 
 import com.a1.nextlocation.R;
+import com.a1.nextlocation.data.Route;
 import com.a1.nextlocation.recyclerview.CouponListManager;
 import com.a1.nextlocation.recyclerview.LocationListManager;
+import com.a1.nextlocation.recyclerview.RouteListManager;
 
 import org.osmdroid.api.IMapController;
 import org.osmdroid.config.Configuration;
@@ -114,8 +116,9 @@ public class HomeFragment extends Fragment {
 
         }
 
-        LocationListManager locationListManager = new LocationListManager(requireContext());
+        CouponListManager couponListManager = new CouponListManager(requireContext());
-        locationListManager.load();
+        couponListManager.load();
+        Log.d(TAG, "initMap: " + couponListManager.getCoupon(0).getCode());
 
     }
     private void requestPermissionsIfNecessary(String... permissions) {

app/src/main/java/com/a1/nextlocation/recyclerview/CouponLoader.java

@@ -1,25 +1,32 @@
 package com.a1.nextlocation.recyclerview;
 
 import android.content.Context;
+import android.util.Log;
 
 import com.a1.nextlocation.data.Coupon;
 import com.a1.nextlocation.data.FileIO;
 import com.a1.nextlocation.data.Location;
+import com.google.gson.reflect.TypeToken;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 public class CouponLoader implements Loader<List<Coupon>> {
     private final Context context;
+    private final String TAG = CouponLoader.class.getCanonicalName();
 
     public CouponLoader(Context context) {
         this.context = context;
     }
 
     @Override
-    public List<Coupon> load() {
+    public ArrayList<Coupon> load() {
         FileIO<ArrayList<Coupon>> fileIO = new FileIO<>();
-        ArrayList<Coupon> res = fileIO.readFileData(context, "coupons.json");
+        ArrayList<Coupon> res = fileIO.readFileData(context, "coupons.json",new TypeToken<ArrayList<Coupon>>(){}.getType());
+        Log.d(TAG, "load: " + res);
+
         return res == null ? new ArrayList<>() : res;
+
     }
 }

app/src/main/java/com/a1/nextlocation/recyclerview/LocationLoader.java

@@ -4,8 +4,10 @@ import android.content.Context;
 
 import com.a1.nextlocation.data.FileIO;
 import com.a1.nextlocation.data.Location;
+import com.google.gson.reflect.TypeToken;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 public class LocationLoader implements Loader<List<Location>> {
@@ -16,11 +18,11 @@ public class LocationLoader implements Loader<List<Location>> {
     }
 
     @Override
-    public List<Location> load() {
+    public ArrayList<Location> load() {
         FileIO<ArrayList<Location>> fileIO = new FileIO<>();
 
-        ArrayList<Location> res = fileIO.readFileData(context, "locations.json");
+        ArrayList<Location> res = fileIO.readFileData(context,"locations.json",new TypeToken<ArrayList<Location>>(){}.getType());
-        return res == null ? new ArrayList<>() : res;
 
+        return res == null ? new ArrayList<>() : res;
     }
 }

app/src/main/java/com/a1/nextlocation/recyclerview/RouteLoader.java

@@ -5,8 +5,10 @@ import android.content.Context;
 import com.a1.nextlocation.data.FileIO;
 import com.a1.nextlocation.data.Location;
 import com.a1.nextlocation.data.Route;
+import com.google.gson.reflect.TypeToken;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 public class RouteLoader implements Loader<List<Route>> {
@@ -17,11 +19,10 @@ public class RouteLoader implements Loader<List<Route>> {
     }
 
     @Override
-    public List<Route> load() {
+    public ArrayList<Route> load() {
 
         FileIO<ArrayList<Route>> fileIO = new FileIO<>();
-
+        ArrayList<Route> res = fileIO.readFileData(context, "routes.json",new TypeToken<ArrayList<Route>>(){}.getType());
-        ArrayList<Route> res = fileIO.readFileData(context, "routes.json");
         return res == null ? new ArrayList<>() : res;
 
     }