Initial revision

Doesn't do anything fancy, just loads images into a GridView.

.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="gen"/>
+	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
+	<classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
+	<classpathentry kind="output" path="bin/classes"/>
+</classpath>

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Folly</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.evancharlton.folly"
+    android:versionCode="1"
+    android:versionName="1.0" >
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <uses-sdk
+        android:minSdkVersion="8"
+        android:targetSdkVersion="17" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme"
+        android:name=".FollyApp">
+        <activity
+            android:name="com.evancharlton.folly.MainActivity"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

res/layout/activity_main.xml

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+<RelativeLayout 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"
+    tools:context=".MainActivity" >
+
+    <Button android:id="@+id/search"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentRight="true"
+        android:text="@string/search" />
+
+    <EditText android:id="@+id/query"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentLeft="true"
+        android:layout_toLeftOf="@id/search"
+        android:text="@string/default_query"
+        android:hint="@string/query" />
+
+    <GridView android:id="@+id/grid"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/search"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentBottom="true"
+        android:numColumns="4" />
+
+</RelativeLayout>

res/layout/thumbnail.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<com.android.volley.toolbox.NetworkImageView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/thumbnail"
+    android:layout_width="75dp"
+    android:layout_height="75dp" />

res/menu/activity_main.xml

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+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item
+        android:id="@+id/menu_settings"
+        android:orderInCategory="100"
+        android:showAsAction="never"
+        android:title="@string/menu_settings"/>
+
+</menu>

res/values-v11/styles.xml

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+<resources>
+
+    <!--
+        Base application theme for API 11+. This theme completely replaces
+        AppBaseTheme from res/values/styles.xml on API 11+ devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Holo.Light">
+        <!-- API 11 theme customizations can go here. -->
+    </style>
+
+</resources>

res/values-v14/styles.xml

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+<resources>
+
+    <!--
+        Base application theme for API 14+. This theme completely replaces
+        AppBaseTheme from BOTH res/values/styles.xml and
+        res/values-v11/styles.xml on API 14+ devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Holo.Light.DarkActionBar">
+        <!-- API 14 theme customizations can go here. -->
+    </style>
+
+</resources>

res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="app_name">Folly</string>
+    <string name="menu_settings">Settings</string>
+
+    <string name="search">Search</string>
+
+    <string name="default_query">android</string>
+    <string name="query">Search query</string>
+
+</resources>

res/values/styles.xml

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+<resources>
+
+    <!--
+        Base application theme, dependent on API level. This theme is replaced
+        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Light">
+        <!--
+            Theme customizations available in newer API levels can go in
+            res/values-vXX/styles.xml, while customizations related to
+            backward-compatibility can go here.
+        -->
+    </style>
+
+    <!-- Application theme. -->
+    <style name="AppTheme" parent="AppBaseTheme">
+        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
+    </style>
+
+</resources>

src/com/evancharlton/folly/FlickrApi.java

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+
+package com.evancharlton.folly;
+
+import android.graphics.Bitmap;
+
+import com.android.volley.Request;
+import com.android.volley.RequestQueue;
+import com.android.volley.Response.ErrorListener;
+import com.android.volley.Response.Listener;
+import com.android.volley.toolbox.ImageRequest;
+import com.evancharlton.folly.api.FlickrResponse.Photos;
+import com.evancharlton.folly.api.FlickrResponse.Photos.Photo;
+
+public class FlickrApi {
+    private final RequestQueue mQueue;
+
+    public FlickrApi(RequestQueue queue) {
+        mQueue = queue;
+    }
+
+    public Request<?> search(String query, int pageNum, Listener<Photos> listener,
+            ErrorListener errorListener) {
+        return mQueue.add(new FlickrSearch(query, pageNum, listener, errorListener));
+    }
+
+    public Request<?> thumbnail(Photo photo, int maxWidth, int maxHeight,
+            Listener<Bitmap> listener, ErrorListener errorListener) {
+        return mQueue.add(new ImageRequest(photo.getUrl(), listener, maxWidth, maxHeight, null,
+                errorListener));
+    }
+}

src/com/evancharlton/folly/FlickrSearch.java

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+
+package com.evancharlton.folly;
+
+import com.android.volley.NetworkResponse;
+import com.android.volley.Request;
+import com.android.volley.Response;
+import com.android.volley.Response.ErrorListener;
+import com.android.volley.Response.Listener;
+import com.evancharlton.folly.api.FlickrResponse;
+import com.evancharlton.folly.api.FlickrResponse.Photos;
+import com.google.gson.Gson;
+
+public class FlickrSearch extends Request<Photos> {
+    public static final String API_KEY = "96e3cd93b482b82c5acacff05d77fdab";
+
+    private final Listener<Photos> mListener;
+
+    private final Gson mGson = new Gson();
+
+    public FlickrSearch(String query, int page, Listener<Photos> listener,
+            ErrorListener errorListener) {
+        super(Method.GET, getUrl(query, page), errorListener);
+        mListener = listener;
+    }
+
+    @Override
+    protected void deliverResponse(Photos response) {
+        mListener.onResponse(response);
+    }
+
+    @Override
+    protected Response<Photos> parseNetworkResponse(NetworkResponse response) {
+        String jsonString = new String(response.data);
+        FlickrResponse flickrResponse = mGson.fromJson(jsonString, FlickrResponse.class);
+        return Response.success(flickrResponse.getPhotos(), getCacheEntry());
+    }
+
+    private static String getUrl(String query, int page) {
+        return "http://api.flickr.com/services/rest/?method=flickr.photos.search"
+                + "&api_key=" + API_KEY
+                + "&text=" + query
+                + "&page=" + page
+                + "&per_page=" + ResultsAdapter.PER_PAGE
+                + "&format=json&nojsoncallback=1";
+    }
+}

src/com/evancharlton/folly/FollyApp.java

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+
+package com.evancharlton.folly;
+
+import android.app.Application;
+import android.graphics.Bitmap;
+import android.support.v4.util.LruCache;
+
+import com.android.volley.RequestQueue;
+import com.android.volley.toolbox.ImageLoader;
+import com.android.volley.toolbox.ImageLoader.ImageCache;
+import com.android.volley.toolbox.Volley;
+
+public class FollyApp extends Application {
+    private static FollyApp sInstance;
+
+    public static FollyApp get() {
+        return sInstance;
+    }
+
+    private final LruCache<String, Bitmap> mImageCache = new LruCache<String, Bitmap>(20);
+
+    private FlickrApi mApi;
+
+    private ImageLoader mImageLoader;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        sInstance = this;
+
+        RequestQueue queue = Volley.newRequestQueue(this);
+        mApi = new FlickrApi(queue);
+
+        ImageCache imageCache = new ImageCache() {
+            @Override
+            public void putBitmap(String key, Bitmap value) {
+                mImageCache.put(key, value);
+            }
+
+            @Override
+            public Bitmap getBitmap(String key) {
+                return mImageCache.get(key);
+            }
+        };
+
+        mImageLoader = new ImageLoader(queue, imageCache);
+    }
+
+    public FlickrApi getApi() {
+        return mApi;
+    }
+
+    public ImageLoader getImageLoader() {
+        return mImageLoader;
+    }
+}

src/com/evancharlton/folly/FollyLog.java

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+
+package com.evancharlton.folly;
+
+import android.util.Log;
+
+public final class FollyLog {
+    private static final String TAG = "Folly";
+
+    private FollyLog() {
+    }
+
+    public static void d(String msg, Object... args) {
+        if (args != null && args.length > 0) {
+            msg = String.format(msg, args);
+        }
+        Log.d(TAG, msg);
+    }
+
+    public static void e(Throwable t, String msg, Object... args) {
+        if (args != null && args.length > 0) {
+            msg = String.format(msg, args);
+        }
+        Log.e(TAG, msg, t);
+    }
+}

src/com/evancharlton/folly/MainActivity.java

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+
+package com.evancharlton.folly;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.Button;
+import android.widget.EditText;
+
+public class MainActivity extends Activity {
+    private AdapterView<ResultsAdapter> mGridView;
+    private EditText mQuery;
+    private Button mSearch;
+
+    private ResultsAdapter mAdapter;
+
+    @SuppressWarnings("unchecked")
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        mQuery = (EditText) findViewById(R.id.query);
+        mSearch = (Button) findViewById(R.id.search);
+
+        mSearch.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mAdapter.setQuery(mQuery.getText().toString());
+            }
+        });
+
+        mGridView = (AdapterView<ResultsAdapter>) findViewById(R.id.grid);
+        mAdapter = new ResultsAdapter(this, FollyApp.get().getImageLoader());
+        mGridView.setAdapter(mAdapter);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.activity_main, menu);
+        return true;
+    }
+}