Add a simple fullscreen activity for flickr sample

samples/flickr/src/main/AndroidManifest.xml

@@ -21,6 +21,8 @@
         </intent-filter>
       </activity>
 
+    <activity android:name=".FullscreenActivity" />
+
   </application>
 
 </manifest>

samples/flickr/src/main/java/com/bumptech/glide/samples/flickr/FlickrPhotoGrid.java

 package com.bumptech.glide.samples.flickr;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
@@ -173,6 +174,14 @@ public class FlickrPhotoGrid extends Fragment implements PhotoViewer {
                     .thumbnail(thumbnail ? thumbnailRequest.load(current) : null)
                     .into(imageView);
 
+            imageView.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View view) {
+                    Intent intent = FullscreenActivity.getIntent(getActivity(), current);
+                    startActivity(intent);
+                }
+            });
+
             return imageView;
         }
     }

samples/flickr/src/main/java/com/bumptech/glide/samples/flickr/FlickrPhotoList.java

 package com.bumptech.glide.samples.flickr;
 
+import android.content.Intent;
 import android.graphics.Color;
 import android.graphics.drawable.ColorDrawable;
 import android.os.Bundle;
@@ -190,6 +191,14 @@ public class FlickrPhotoList extends Fragment implements PhotoViewer {
                     .load(current)
                     .into(viewHolder.imageView);
 
+            viewHolder.imageView.setOnClickListener(new View.OnClickListener() {
+                @Override
+               public void onClick(View view) {
+                    Intent intent = FullscreenActivity.getIntent(getActivity(), current);
+                    startActivity(intent);
+                }
+            });
+
             viewHolder.titleText.setText(current.getTitle());
             return view;
         }

samples/flickr/src/main/java/com/bumptech/glide/samples/flickr/FullscreenActivity.java

+package com.bumptech.glide.samples.flickr;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.app.FragmentActivity;
+import android.widget.ImageView;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.samples.flickr.api.Photo;
+
+/**
+ * A simple activity for viewing a single photo.
+ */
+public class FullscreenActivity extends FragmentActivity {
+    private static final String ARG_PHOTO = "photo";
+
+    public static Intent getIntent(Context context, Photo photo) {
+        Intent intent = new Intent(context, FullscreenActivity.class);
+        intent.putExtra(ARG_PHOTO, photo);
+        return intent;
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.fullscreen_activity);
+        ImageView fullscreenView = (ImageView) findViewById(R.id.fullscreen_view);
+        Photo photo = getIntent().getParcelableExtra(ARG_PHOTO);
+        Glide.with(this)
+                .load(photo)
+                .fitCenter()
+                .into(fullscreenView);
+    }
+}

samples/flickr/src/main/java/com/bumptech/glide/samples/flickr/api/Photo.java

 package com.bumptech.glide.samples.flickr.api;
 
+import android.os.Parcel;
+import android.os.Parcelable;
 import org.json.JSONException;
 import org.json.JSONObject;
 
 /**
  * A POJO representing a JSON object returned from Flickr's api representing a single image.
  */
-public class Photo {
+public class Photo implements Parcelable {
+    public static final Creator<Photo> CREATOR = new Creator<Photo>() {
+        @Override
+        public Photo createFromParcel(Parcel parcel) {
+            return new Photo(parcel);
+        }
+
+        @Override
+        public Photo[] newArray(int i) {
+            return new Photo[i];
+        }
+    };
+
     private final String id;
     private final String owner;
     private final String title;
@@ -15,6 +29,7 @@ public class Photo {
     private final String secret;
     private String partialUrl = null;
 
+
     public Photo(JSONObject jsonPhoto) throws JSONException {
         this.id = jsonPhoto.getString("id");
         this.owner = jsonPhoto.getString("owner");
@@ -24,6 +39,25 @@ public class Photo {
         this.secret = jsonPhoto.getString("secret");
     }
 
+    private Photo(Parcel in) {
+        id = in.readString();
+        owner = in.readString();
+        title = in.readString();
+        server = in.readString();
+        farm = in.readString();
+        secret = in.readString();
+    }
+
+    @Override
+    public void writeToParcel(Parcel parcel, int i) {
+        parcel.writeString(id);
+        parcel.writeString(owner);
+        parcel.writeString(title);
+        parcel.writeString(server);
+        parcel.writeString(farm);
+        parcel.writeString(secret);
+    }
+
     public String getPartialUrl() {
         if (partialUrl == null) {
             partialUrl = Api.getCacheableUrl(this);
@@ -99,4 +133,9 @@ public class Photo {
         result = 31 * result + secret.hashCode();
         return result;
     }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
 }

samples/flickr/src/main/res/layout/fullscreen_activity.xml

+<?xml version="1.0" encoding="utf-8"?>
+<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
+           android:id="@+id/fullscreen_view"
+           android:layout_width="match_parent"
+           android:layout_height="match_parent" />