Feature/use retrofit to fetch flags

AndroidManifest.xml

@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="8" android:versionName="TEST_RELEASE" package="pl.polidea.coverflow">
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
     <application android:icon="@drawable/icon" android:label="@string/app_name">
         <activity android:label="@string/app_name" android:name=".testingactivity.CoverFlowTestingActivity">
             <intent-filter>

assets/faces.txt

@@ -0,0 +1,168 @@
+{
+    "people":[
+        {
+            "gravatar":"http://www.gravatar.com/avatar/feb86e26302b2efd0f937afa72a16fc6?d=monsterid&s=240",
+            "id":"0"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/487bb9d69c8795b5dd1e67332cfb8221?d=monsterid&s=240",
+            "id":"1"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/f31e2458313b36730a066ec703e51b11?d=monsterid&s=240",
+            "id":"2"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/7f8727786f6bb1a0c352acc4e4419a83?d=monsterid&s=240",
+            "id":"3"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/2dc3eab78ab131cc3a8acbc972c92b73?d=monsterid&s=240",
+            "id":"4"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/705da853dcc90e5aca80b4d085c1d214?d=monsterid&s=240",
+            "id":"5"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/28be0f28848e9b280845436bf3fad6ca?d=monsterid&s=240",
+            "id":"6"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/1c364f4cad4f61aa08dc8f112931e39f?d=monsterid&s=240",
+            "id":"7"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/bb03b2dafcda985bbeb52a4f446cc754?d=monsterid&s=240",
+            "id":"8"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/ec43363ba46bdb76aae3999edf692871?d=monsterid&s=240",
+            "id":"9"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/e32aee082c585f111fe3405d470112b0?d=monsterid&s=240",
+            "id":"10"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/c770015076fd08e56be5cfd4ca387298?d=monsterid&s=240",
+            "id":"11"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/53abc38c639a22f80174261df7f35f0d?d=monsterid&s=240",
+            "id":"12"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/cd68c5cafec543474541a2211dc7444f?d=monsterid&s=240",
+            "id":"13"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/2b7031546b140aa0612e4d2ce8f922c0?d=monsterid&s=240",
+            "id":"14"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/bcb735972933b10b1eb269886c7c799a?d=monsterid&s=240",
+            "id":"15"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/ab7fa42a14263894835ba1e5be031111?d=monsterid&s=240",
+            "id":"16"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/35287768ccb0b3c68067a511c4c3503f?d=monsterid&s=240",
+            "id":"17"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/45bba01ac921f96e49059da127800d6d?d=monsterid&s=240",
+            "id":"18"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/289040ff9f5916ba6d88c660334660ec?d=monsterid&s=240",
+            "id":"19"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/0808d58e098c64a5e9a1a411bce8d0d8?d=monsterid&s=240",
+            "id":"20"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/81801d4f62de321a0bd6903fe9459a5a?d=monsterid&s=240",
+            "id":"21"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/0cbc8aace3690ac2288754bfb12ef43c?d=monsterid&s=240",
+            "id":"22"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/dae071222608e84f665fdfd4678e8f2e?d=monsterid&s=240",
+            "id":"23"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/9b14143dfed8f4fa57428ad3e547bc0e?d=monsterid&s=240",
+            "id":"24"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/e0a27844ea90b44bcebfa3bec7a583bd?d=monsterid&s=240",
+            "id":"25"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/e60ecae6d42227896b877fe5ae80dcbf?d=monsterid&s=240",
+            "id":"26"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/cb8004fd244c846ef07902d30be3d584?d=monsterid&s=240",
+            "id":"27"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/5f68d5e3481bbd4e143454820f33d9b6?d=monsterid&s=240",
+            "id":"28"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/eae907f53220bbcaabfe0cda31be29d8?d=monsterid&s=240",
+            "id":"29"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/cd26f838cf344a14b8a1add418f8f2b8?d=monsterid&s=240",
+            "id":"30"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/35bbb9b6fbad099dcbb2901d281a8d8e?d=monsterid&s=240",
+            "id":"31"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/335ee931be900e9d28e769e5c9537084?d=monsterid&s=240",
+            "id":"32"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/547db7c434e8a83737d99f0f4eab2290?d=monsterid&s=240",
+            "id":"33"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/96dbb97764ca7f5d56073ccf401a9753?d=monsterid&s=240",
+            "id":"34"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/fedd24fdaae013b925eff616ad55fee8?d=monsterid&s=240",
+            "id":"35"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/fa0a22c3463a9ee3cb1acd6bc05b9a3e?d=monsterid&s=240",
+            "id":"36"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/674f1d9793c903baeb7607655cd0f787?d=monsterid&s=240",
+            "id":"37"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/ee5179d5ce0b3172b6b34c5ec94a61c0?d=monsterid&s=240",
+            "id":"38"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/fde11b1d20465b0dcb7c9879aca299a3?d=monsterid&s=240",
+            "id":"39"
+        },
+        {
+            "gravatar":"http://www.gravatar.com/avatar/e6f6d95ae0cad8073ccac961c3c9e9d7?d=monsterid&s=240",
+            "id":"40"
+        }
+    ]
+}

build.gradle

@@ -25,10 +25,21 @@ repositories {
     }
 }
 
+dependencies {
+    compile 'com.squareup.picasso:picasso:2.3.3'
+    compile 'com.google.code.gson:gson:2.2.4'
+    compile 'com.squareup.retrofit:retrofit:1.6.1'
+}
+
 android {
     compileSdkVersion 19
     buildToolsVersion "19.1.0"
 
+    defaultConfig {
+        minSdkVersion 5
+        targetSdkVersion 18
+    }
+
     sourceSets {
         main {
             manifest.srcFile 'AndroidManifest.xml'

res/layout/main.xml

@@ -6,13 +6,14 @@
 		android:layout_height="wrap_content" android:layout_marginTop="5dip">
 	</view>
 
-	<pl.polidea.coverflow.CoverFlow xmlns:coverflow="http://schemas.android.com/apk/res/pl.polidea.coverflow"
-		coverflow:imageWidth="100dip" coverflow:imageHeight="150dip" coverflow:withReflection="true"
-		coverflow:imageReflectionRatio="0.2" coverflow:reflectionGap="2dip" android:id="@+id/coverflowReflect"
-		android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="5dip" />
-
 	<TextView android:text="STATUS" android:layout_width="fill_parent" android:layout_height="wrap_content"
 		android:padding="5dip" android:id="@+id/statusText"></TextView>
 
+    <Button
+        android:id="@+id/button"
+        android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="FETCH FLAGS!" />
+
 </LinearLayout>
 

src/pl/polidea/coverflow/AbstractCoverFlowImageAdapter.java

@@ -1,9 +1,5 @@
 package pl.polidea.coverflow;
 
-import java.lang.ref.WeakReference;
-import java.util.HashMap;
-import java.util.Map;
-
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.util.Log;
@@ -12,6 +8,10 @@
 import android.widget.BaseAdapter;
 import android.widget.ImageView;
 
+import java.lang.ref.WeakReference;
+import java.util.HashMap;
+import java.util.Map;
+
 /**
  * This class is an adapter that provides base, abstract class for images
  * adapter.
@@ -100,7 +100,7 @@ public final synchronized long getItemId(final int position) {
      * android.view.ViewGroup)
      */
     @Override
-    public final synchronized ImageView getView(final int position, final View convertView, final ViewGroup parent) {
+    public synchronized ImageView getView(final int position, final View convertView, final ViewGroup parent) {
         ImageView imageView;
         if (convertView == null) {
             final Context context = parent.getContext();

src/pl/polidea/coverflow/NetworkImageAdapter.java

@@ -0,0 +1,139 @@
+package pl.polidea.coverflow;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+
+import com.google.gson.Gson;
+import com.squareup.picasso.Picasso;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+
+import pl.polidea.coverflow.testingactivity.Country;
+import pl.polidea.coverflow.testingactivity.Result;
+
+/**
+ * This class is an adapter that provides images from a fixed set of resource
+ * ids. Bitmaps and ImageViews are kept as weak references so that they can be
+ * cleared by garbage collection when not needed.
+ * 
+ */
+public class NetworkImageAdapter extends AbstractCoverFlowImageAdapter {
+    /** The Constant TAG. */
+    private static final String TAG = NetworkImageAdapter.class.getSimpleName();
+
+    /** The bitmap map. */
+    private final Map<Integer, WeakReference<Bitmap>> bitmapMap = new HashMap<Integer, WeakReference<Bitmap>>();
+
+    private final Context context;
+
+    private static final LinkedList<Result> RESULTS = new LinkedList<Result>();
+
+    public NetworkImageAdapter(final Context context)
+    {
+        super();
+
+        this.context = context;
+        try {
+            setResources(parseJSONResult(readStringFromInputStream(context.getAssets().open("faces.txt"))));
+        }
+        catch (IOException e)
+        {
+            e.printStackTrace();
+        }
+    }
+
+    public final synchronized void setResources(List<Result> results)
+    {
+        RESULTS.clear();
+
+        for (Result r : results)
+        {
+            RESULTS.add(r);
+        }
+
+        notifyDataSetChanged();
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see android.widget.Adapter#getCount()
+     */
+    @Override
+    public synchronized int getCount()
+    {
+        return RESULTS.size();
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see pl.polidea.coverflow.AbstractCoverFlowImageAdapter#createBitmap(int)
+     */
+    @Override
+    protected Bitmap createBitmap(final int position) {
+        return ((BitmapDrawable) context.getResources().getDrawable(R.drawable.image01)).getBitmap();
+    }
+
+    private String readStringFromInputStream(InputStream inputStream) throws IOException
+    {
+        StringBuilder builder = new StringBuilder();
+        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
+        String line;
+
+        while((line = bufferedReader.readLine()) != null)
+        {
+            builder.append(line);
+        }
+
+        return builder.toString();
+    }
+
+    public void setCountries(List<Country> countries)
+    {
+        RESULTS.clear();
+
+        for (Country country: countries) {
+            RESULTS.add(country.toResult());
+        }
+
+        notifyDataSetChanged();
+    }
+
+    private class Wrapper {
+        public LinkedList<Result> people = new LinkedList<Result>();
+    }
+
+    private LinkedList<Result> parseJSONResult(String json)
+    {
+        Gson gson = new Gson();
+
+        Wrapper wrapper = gson.fromJson(json, Wrapper.class);
+
+        return wrapper.people;
+    }
+
+    @Override
+    public synchronized ImageView getView(int position, View convertView, ViewGroup parent)
+    {
+        ImageView view = super.getView(position, convertView, parent);
+
+        Picasso.with(context).load(RESULTS.get(position).getAvatarURL()).into(view);
+
+        return view;
+    }
+}