toast message implemented

AirKoality/app/src/main/java/at/fhj/airkoality/model/Location.java

@@ -36,4 +36,13 @@ public class Location {
     public void setCounty(String county) {
         this.county = county;
     }
+
+    @Override
+    public String toString() {
+        return "Location{" +
+                "location='" + location + '\'' +
+                ", city='" + city + '\'' +
+                ", county='" + county + '\'' +
+                '}';
+    }
 }

AirKoality/app/src/main/java/at/fhj/airkoality/ui/activity/MainActivity.java

@@ -9,6 +9,7 @@ import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.MenuItem;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -17,7 +18,7 @@ import at.fhj.airkoality.R;
 import at.fhj.airkoality.model.Location;
 import at.fhj.airkoality.ui.adapter.LocationListAdapter;
 
-public class MainActivity extends AppCompatActivity {
+public class MainActivity extends AppCompatActivity implements LocationListAdapter.ItemClickListener {
 private RecyclerView locationList;
 
     @Override
@@ -38,11 +39,16 @@ private RecyclerView locationList;
         locations.add(new Location("Daheim7", "Graz" , "Österreich"));
         locations.add(new Location("Daheim8", "Graz" , "Österreich"));
 
-        LocationListAdapter adapter = new LocationListAdapter(locations);
+        LocationListAdapter adapter = new LocationListAdapter(locations, this);
 
         locationList.setAdapter(adapter);
         locationList.setLayoutManager(new LinearLayoutManager(this));
 
 
     }
+
+    @Override
+    public void onItemClicked(Location location, int position) {
+        Toast.makeText(this, "Clicked " + location, Toast.LENGTH_SHORT).show();
+    }
 }

AirKoality/app/src/main/java/at/fhj/airkoality/ui/adapter/LocationListAdapter.java

@@ -18,9 +18,11 @@ public class LocationListAdapter extends RecyclerView.Adapter<LocationListAdapte
 
 
     private List<Location> locations;
+    private ItemClickListener listener;
 
-    public LocationListAdapter(List<Location> locations){
+    public LocationListAdapter(List<Location> locations, ItemClickListener listener){
         this.locations = locations;
+        this.listener = listener;
     }
 
 
@@ -37,6 +39,14 @@ public class LocationListAdapter extends RecyclerView.Adapter<LocationListAdapte
 
         Context context = locationItemViewHolder.tvLocation.getContext();
 
+        locationItemViewHolder.cvLocationItem.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Location clickedLocation = locations.get(locationItemViewHolder.getAdapterPosition());
+                listener.onItemClicked(clickedLocation, locationItemViewHolder.getAdapterPosition());
+            }
+        });
+
         locationItemViewHolder.tvLocation.setText(context.getString(R.string.location_label) + " " + locations.get(position).getLocation());
         locationItemViewHolder.tvCity.setText(context.getString(R.string.city_label)  + " " + locations.get(position).getLocation());
         locationItemViewHolder.tvCountry.setText(context.getString(R.string.country_label) + " " + locations.get(position).getLocation());
@@ -66,4 +76,9 @@ public class LocationListAdapter extends RecyclerView.Adapter<LocationListAdapte
 
         }
     }
+
+    public interface ItemClickListener {
+        void onItemClicked(Location location, int position);
+
+    }
 }

README.md

@@ -34,8 +34,8 @@
 ## 08.03.2019 - Lab 3
 
 Context -> weiß was in der App gerade "abgeht" (Java Objekt)
-    - Activity oder Application
-    - Immer Context der aktuellen Activity verwenden
+  - Activity oder Application
+  - Immer Context der aktuellen Activity verwenden
 
 Best Practise kennengelernt um große Listen darzustellen