添加类库模块，便于调试类库编译配置。

libwinboll/src/main/res/layout/library.xml

@@ -0,0 +1,11 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center">
+
+    <TextView
+        android:text="@string/hello_world"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>

libwinboll/src/main/res/values-v21/styles.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="AppTheme" parent="@android:style/Theme.Material.Light">
+	</style>
+</resources>

libwinboll/src/main/res/values/strings.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="lib_name">libwinboll</string>
+    <string name="hello_world">Hello world!</string>
+
+</resources>

libwinboll/src/main/res/values/styles.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="AppTheme" parent="@android:style/Theme.Holo.Light">
+	</style>
+</resources>