Include Subsampling Scale Image View as library to allow preloading tiles when a max bitmap size is provided.

libs/SubsamplingScaleImageView/res/values/attrs.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2014 David Morrissey
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+<resources>
+
+    <declare-styleable name="SubsamplingScaleImageView">
+        <attr name="src" format="reference"/>
+        <attr name="assetName" format="string"/>
+        <attr name="panEnabled" format="boolean"/>
+        <attr name="zoomEnabled" format="boolean"/>
+        <attr name="quickScaleEnabled" format="boolean"/>
+        <attr name="tileBackgroundColor" format="color"/>
+    </declare-styleable>
+
+</resources>