Adds ability to page between multiple images in a status by swiping from left to right. Closes #66

app/src/main/java/com/keylesspalace/tusky/view/ImageViewPager.java

@@ -0,0 +1,45 @@
+/* Copyright 2017 Andrew Dawson
+ *
+ * This file is a part of Tusky.
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with Tusky; if not,
+ * see <http://www.gnu.org/licenses>. */
+
+package com.keylesspalace.tusky.view;
+
+import android.content.Context;
+import android.support.v4.view.ViewPager;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+/**
+ * This class is entirely to address a known issue with com.github.chrisbanes.photoview.PhotoView.
+ * ViewPager will throw exceptions when a PhotoView is placed within it, so this subclass eats those
+ * exceptions.
+ */
+public class ImageViewPager extends ViewPager {
+    public ImageViewPager(Context context) {
+        super(context);
+    }
+
+    public ImageViewPager(Context context, AttributeSet attributeSet) {
+        super(context, attributeSet);
+    }
+
+    @Override
+    public boolean onInterceptTouchEvent(MotionEvent ev) {
+        try {
+            return super.onInterceptTouchEvent(ev);
+        } catch (IllegalArgumentException e) {
+            return false;
+        }
+    }
+}