Loading example images from panoramio using universal image loader.

app/build.gradle

@@ -25,4 +25,6 @@ dependencies {
     compile 'com.android.support:appcompat-v7:21.0.3'
     compile 'com.android.support:support-v4:21.0.3'
     compile 'com.android.support:recyclerview-v7:21.0.3'
+    compile 'com.googlecode.android-query:android-query:0.25.9'
+    compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'
 }

app/src/main/AndroidManifest.xml

@@ -18,5 +18,8 @@
     </application>
 
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
+    <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
 
 </manifest>

app/src/main/java/pl/tpolgrabia/urbanexplorer/AppConstants.java

@@ -0,0 +1,8 @@
+package pl.tpolgrabia.urbanexplorer;
+
+/**
+ * Created by tpolgrabia on 27.08.16.
+ */
+public class AppConstants {
+    public static final String GOOGLE_API_KEY = "AIzaSyDAnmEK6cgovRrefUuYojL1pxPEbIBLZUw";
+}

app/src/main/java/pl/tpolgrabia/urbanexplorer/MainActivity.java

@@ -8,12 +8,19 @@ import android.support.v7.app.ActionBarActivity;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
 import android.widget.Toast;
+import com.nostra13.universalimageloader.cache.memory.impl.WeakMemoryCache;
+import com.nostra13.universalimageloader.core.DisplayImageOptions;
+import com.nostra13.universalimageloader.core.ImageLoader;
+import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
+import com.nostra13.universalimageloader.core.assist.ImageScaleType;
+import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;
 import pl.tpolgrabia.urbanexplorer.fragments.HomeFragment;
 
 public class MainActivity extends ActionBarActivity  {
 
     private static final int LOCATION_SETTINGS_REQUEST_ID = 1;
     private static final String CLASS_TAG = MainActivity.class.getSimpleName();
+    public static DisplayImageOptions options;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -22,6 +29,22 @@ public class MainActivity extends ActionBarActivity  {
 //        Toolbar toolbar = (Toolbar) findViewById(R.id.navbar);
 //        setSupportActionBar(toolbar);
 
+        // UNIVERSAL IMAGE LOADER SETUP
+        DisplayImageOptions defaultOptions = new DisplayImageOptions.Builder()
+            .cacheOnDisc(true).cacheInMemory(true)
+            .imageScaleType(ImageScaleType.EXACTLY)
+            .displayer(new FadeInBitmapDisplayer(300)).build();
+
+        options = defaultOptions;
+
+        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(
+            this)
+            .defaultDisplayImageOptions(defaultOptions)
+            .memoryCache(new WeakMemoryCache())
+            .discCacheSize(100 * 1024 * 1024).build();
+
+        ImageLoader.getInstance().init(config);
+
     }
 
     @Override

app/src/main/java/pl/tpolgrabia/urbanexplorer/dto/PanoramioImageInfo.java

@@ -0,0 +1,72 @@
+package pl.tpolgrabia.urbanexplorer.dto;
+
+import java.util.Date;
+
+/**
+ * Created by tpolgrabia on 27.08.16.
+ */
+public class PanoramioImageInfo {
+    private Double height;
+    private String ownerName;
+    private Long ownerId;
+    private String photoFileUrl;
+    private String photoTitle;
+    private Date uploadDate;
+    private Double width;
+
+    public Double getHeight() {
+        return height;
+    }
+
+    public void setHeight(Double height) {
+        this.height = height;
+    }
+
+    public String getOwnerName() {
+        return ownerName;
+    }
+
+    public void setOwnerName(String ownerName) {
+        this.ownerName = ownerName;
+    }
+
+    public Long getOwnerId() {
+        return ownerId;
+    }
+
+    public void setOwnerId(Long ownerId) {
+        this.ownerId = ownerId;
+    }
+
+    public String getPhotoFileUrl() {
+        return photoFileUrl;
+    }
+
+    public void setPhotoFileUrl(String photoFileUrl) {
+        this.photoFileUrl = photoFileUrl;
+    }
+
+    public String getPhotoTitle() {
+        return photoTitle;
+    }
+
+    public void setPhotoTitle(String photoTitle) {
+        this.photoTitle = photoTitle;
+    }
+
+    public Date getUploadDate() {
+        return uploadDate;
+    }
+
+    public void setUploadDate(Date uploadDate) {
+        this.uploadDate = uploadDate;
+    }
+
+    public Double getWidth() {
+        return width;
+    }
+
+    public void setWidth(Double width) {
+        this.width = width;
+    }
+}

app/src/main/java/pl/tpolgrabia/urbanexplorer/fragments/HomeFragment.java

@@ -12,10 +12,21 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
+import com.androidquery.AQuery;
+import com.androidquery.callback.AjaxCallback;
+import com.androidquery.callback.AjaxStatus;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
 import pl.tpolgrabia.urbanexplorer.R;
+import pl.tpolgrabia.urbanexplorer.dto.PanoramioImageInfo;
+
+import java.util.ArrayList;
+import java.util.List;
 
 import static android.content.Context.LOCATION_SERVICE;
 
@@ -34,6 +45,8 @@ public class HomeFragment extends Fragment implements LocationListener {
     private LocationManager locationService;
     private String locationProvider;
     private boolean locationServicesActivated = false;
+    private AQuery aq;
+    private View inflatedView;
 
     public HomeFragment() {
         // Required empty public constructor
@@ -42,6 +55,7 @@ public class HomeFragment extends Fragment implements LocationListener {
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        aq = new AQuery(getActivity());
 
         locationService = (LocationManager) getActivity().getSystemService(LOCATION_SERVICE);
 
@@ -53,14 +67,92 @@ public class HomeFragment extends Fragment implements LocationListener {
             return;
         }
 
-        Toast.makeText(getActivity(), "Created", Toast.LENGTH_LONG).show();
+    }
+
+    private Double safeParseDouble(CharSequence text) {
+        if (text == null) {
+            return null;
+        }
+
+        try {
+            return Double.parseDouble(text.toString());
+        } catch (NumberFormatException e) {
+            Log.w(CLASS_TAG, "Wrong number format", e);
+            return null;
+        }
     }
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_home, container, false);
+        inflatedView = inflater.inflate(R.layout.fragment_home, container, false);
+        //        getActivity().findViewById(R.id.update_places).setOnClickListener(
+//            new View.OnClickListener() {
+//                @Override
+//                public void onClick(View view) {
+//                    Location location = locationService.getLastKnownLocation(locationProvider);
+//                    aq.ajax("https://maps.googleapis.com/maps/api/place/nearbysearch/output?" +
+//                        "key=" + AppConstants.GOOGLE_API_KEY
+//                        + "&location=" + location.getLatitude() + "," + location.getLongitude()
+//                        + "&radius" + safeParseDouble(aq.id(R.id.location_range).getText())
+//                        + "&rankby=distance",
+//                        JSONObject.class,
+//                        new AjaxCallback<JSONObject>() {
+//                            @Override
+//                            public void callback(String url, JSONObject object, AjaxStatus status) {
+//                                object
+//                            }
+//                        });
+//                }
+//            }
+//        );
+
+        final ListView locations = (ListView)inflatedView.findViewById(R.id.locations);
+        inflatedView.findViewById(R.id.update_places).setOnClickListener(
+            new View.OnClickListener() {
+                @Override
+                public void onClick(View view) {
+                    Location location = locationService.getLastKnownLocation(locationProvider);
+                    aq.ajax("http://www.panoramio.com/map/get_panoramas.php?set=public" +
+                            "&from=0&to=20&minx=-180&miny=-90&maxx=180&maxy=90&size=medium&mapfilter=true",
+                        JSONObject.class,
+                        new AjaxCallback<JSONObject>() {
+                            @Override
+                            public void callback(String url, JSONObject object, AjaxStatus status) {
+                                try {
+                                    Log.d(CLASS_TAG, "Query code: " + status.getCode()
+                                        + ", error: " + status.getError() + ", message: " + status.getMessage());
+                                    if (object == null) {
+                                        return;
+                                    }
+
+                                    JSONArray photos = object.getJSONArray("photos");
+                                    List<PanoramioImageInfo> photosInfos = new ArrayList<PanoramioImageInfo>();
+                                    int n = photos.length();
+                                    for (int i = 0; i < n; i++) {
+                                        JSONObject photo = photos.getJSONObject(i);
+                                        PanoramioImageInfo info = new PanoramioImageInfo();
+                                        info.setPhotoTitle(photo.getString("photo_title"));
+                                        info.setPhotoFileUrl(photo.getString("photo_file_url"));
+                                        info.setWidth(photo.getDouble("width"));
+                                        info.setHeight(photo.getDouble("height"));
+                                        photosInfos.add(info);
+                                    }
+                                    ArrayAdapter<PanoramioImageInfo> adapter = new PanoramioAdapter(getActivity(),
+                                        R.layout.location_item,
+                                        photosInfos);
+                                    locations.setAdapter(adapter);
+                                } catch (JSONException e) {
+                                    Log.w(CLASS_TAG, "Json not supported format", e);
+                                }
+                            }
+                        });
+                }
+            }
+        );
+
+        return inflatedView;
     }
 
     @Override

app/src/main/java/pl/tpolgrabia/urbanexplorer/fragments/PanoramioAdapter.java

@@ -0,0 +1,44 @@
+package pl.tpolgrabia.urbanexplorer.fragments;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.support.v4.app.FragmentActivity;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+import com.androidquery.AQuery;
+import com.nostra13.universalimageloader.core.ImageLoader;
+import pl.tpolgrabia.urbanexplorer.MainActivity;
+import pl.tpolgrabia.urbanexplorer.R;
+import pl.tpolgrabia.urbanexplorer.dto.PanoramioImageInfo;
+
+import java.util.List;
+
+/**
+ * Created by tpolgrabia on 27.08.16.
+ */
+public class PanoramioAdapter extends ArrayAdapter<PanoramioImageInfo> {
+    private final AQuery aq;
+
+    public PanoramioAdapter(FragmentActivity activity, int location_item, List<PanoramioImageInfo> photosDescriptions) {
+        super(activity, location_item, photosDescriptions);
+        aq = new AQuery(activity);
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        View itemView = inflater.inflate(R.layout.location_item, parent, false);
+        TextView locDesc = (TextView) itemView.findViewById(R.id.location_description);
+        locDesc.setText(getItem(position).getPhotoTitle());
+        final String photoUrl = getItem(position).getPhotoFileUrl();
+        ImageView photoImg = (ImageView) itemView.findViewById(R.id.photo_img);
+        // photoImg.setImageBitmap(bm);
+        // photoImg.setImageBitmap(BitmapFactory.decodeResource(getContext().getResources(), R.drawable.ic_launcher));
+        ImageLoader.getInstance().displayImage(photoUrl, photoImg, MainActivity.options);
+        return itemView;
+    }
+}

app/src/main/res/layout/fragment_home.xml

@@ -1,14 +1,53 @@
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
+             android:orientation="vertical"
              tools:context="pl.tpolgrabia.urbanexplorer.fragments.HomeFragment">
 
-    <!-- TODO: Update blank fragment layout -->
     <TextView
             android:id="@+id/locationInfo"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
+            android:layout_height="wrap_content"
             android:text="@string/location_info"/>
 
-</FrameLayout>
+    <LinearLayout android:layout_width="match_parent"
+                  android:layout_height="wrap_content"
+                  android:orientation="horizontal">
+        <TextView android:layout_width="wrap_content"
+                  android:layout_height="wrap_content"
+                  android:text="Location range"/>
+
+        <EditText android:id="@+id/location_range"
+                  android:layout_width="0dp"
+                  android:layout_height="wrap_content"
+                  android:inputType="numberDecimal"
+                  android:layout_weight="1"/>
+
+    </LinearLayout>
+
+    <ListView
+            android:id="@+id/locations"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1">
+
+    </ListView>
+
+    <LinearLayout android:layout_width="match_parent"
+                  android:layout_height="wrap_content"
+                  android:gravity="center">
+        <Button android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Prev"/>
+        <Button android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="Next"/>
+    </LinearLayout>
+
+    <Button android:id="@+id/update_places"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Fetch interesting places" />
+
+</LinearLayout>

app/src/main/res/layout/location_item.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:orientation="horizontal"
+              android:layout_width="match_parent"
+              android:layout_height="wrap_content">
+
+    <ImageView
+            android:id="@+id/photo_img"
+            android:layout_width="80dp"
+            android:layout_height="80dp" />
+
+    <TextView
+            android:id="@+id/location_description"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Test"/>
+
+</LinearLayout>