Added a fix for crashes while zooming in PhotoView inside a DrawerLayout.

app/src/main/java/be/digitalia/fosdem/widgets/PhotoViewDrawerLayout.java

@@ -0,0 +1,36 @@
+package be.digitalia.fosdem.widgets;
+
+import android.content.Context;
+import android.support.v4.widget.DrawerLayout;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+
+/**
+ * DrawerLayout which includes a fix to prevent crashes with PhotoView.
+ * <p/>
+ * See https://github.com/chrisbanes/PhotoView#issues-with-viewgroups
+ * http://code.google.com/p/android/issues/detail?id=18990
+ */
+public class PhotoViewDrawerLayout extends DrawerLayout {
+
+	public PhotoViewDrawerLayout(Context context) {
+		super(context);
+	}
+
+	public PhotoViewDrawerLayout(Context context, AttributeSet attrs) {
+		super(context, attrs);
+	}
+
+	public PhotoViewDrawerLayout(Context context, AttributeSet attrs, int defStyle) {
+		super(context, attrs, defStyle);
+	}
+
+	@Override
+	public boolean onInterceptTouchEvent(MotionEvent ev) {
+		try {
+			return super.onInterceptTouchEvent(ev);
+		} catch (Exception e) {
+			return false;
+		}
+	}
+}

app/src/main/res/layout/main.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v4.widget.DrawerLayout
+<be.digitalia.fosdem.widgets.PhotoViewDrawerLayout
     android:id="@+id/drawer_layout"
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
@@ -50,4 +50,4 @@
 
     <include layout="@layout/include_navigation_drawer"/>
 
-</android.support.v4.widget.DrawerLayout>
+</be.digitalia.fosdem.widgets.PhotoViewDrawerLayout>