From f46552126ab8dff2d857f1b5df6278e3ba368896 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 12 Feb 2015 10:48:50 +0300
Subject: [PATCH] add shared element transition for article images pager

---
 .../org/fox/ttrss/ArticleImagesPagerActivity.java  |  6 +++++-
 .../main/java/org/fox/ttrss/HeadlinesFragment.java | 14 +++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/ArticleImagesPagerActivity.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/ArticleImagesPagerActivity.java
index 577265e2..d92aeefa 100755
--- a/org.fox.ttrss/src/main/java/org/fox/ttrss/ArticleImagesPagerActivity.java
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/ArticleImagesPagerActivity.java
@@ -10,6 +10,7 @@ import android.os.AsyncTask;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.v4.view.PagerAdapter;
+import android.support.v4.view.ViewCompat;
 import android.support.v4.view.ViewPager;
 import android.support.v7.app.ActionBar;
 import android.util.Log;
@@ -126,8 +127,10 @@ public class ArticleImagesPagerActivity extends CommonActivity implements Gestur
                 }
             });
 
+            if (position == 0)
+                ViewCompat.setTransitionName(imgView, "TRANSITION:ARTICLE_IMAGES_PAGER");
+
             registerForContextMenu(imgView);
-            getSupportActionBar().hide();
 
             DisplayImageOptions options = new DisplayImageOptions.Builder()
                     .cacheInMemory(true)
@@ -241,6 +244,7 @@ public class ArticleImagesPagerActivity extends CommonActivity implements Gestur
         setContentView(R.layout.article_images_pager);
 
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        getSupportActionBar().hide();
 
         if (savedInstanceState == null) {
             m_title = getIntent().getStringExtra("title");
diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
index 25a5dee8..66c728f8 100644
--- a/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/HeadlinesFragment.java
@@ -14,7 +14,10 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
+import android.support.v4.app.ActivityCompat;
+import android.support.v4.app.ActivityOptionsCompat;
 import android.support.v4.app.Fragment;
+import android.support.v4.view.ViewCompat;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.text.Html;
 import android.util.DisplayMetrics;
@@ -901,6 +904,8 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
                                     .cacheOnDisk(true)
                                     .build();
 
+                            ViewCompat.setTransitionName(holder.flavorImageView, "TRANSITION:ARTICLE_IMAGES_PAGER");
+
                             holder.flavorImageView.setOnClickListener(new OnClickListener() {
                                 @Override
                                 public void onClick(View view) {
@@ -910,7 +915,14 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
                                     intent.putExtra("title", article.title);
                                     intent.putExtra("content", article.content);
 
-                                    startActivityForResult(intent, 0);
+                                    ActivityOptionsCompat options =
+                                    ActivityOptionsCompat.makeSceneTransitionAnimation(m_activity,
+                                            holder.flavorImageView,   // The view which starts the transition
+                                            "TRANSITION:ARTICLE_IMAGES_PAGER" // The transitionName of the view we’re transitioning to
+                                            );
+                                    ActivityCompat.startActivity(m_activity, intent, options.toBundle());
+
+                                    //startActivityForResult(intent, 0);
                                 }
                             });