添加类库模块，便于调试类库编译配置。

libwinboll/src/main/AndroidManifest.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="cc.winboll.studio.libwinboll" >
+
+    <application>
+        <activity
+            android:name=".LibraryActivity"
+            android:label="@string/lib_name" >
+        </activity>
+    </application>
+
+</manifest>
+

libwinboll/src/main/java/cc/winboll/studio/libwinboll/LibraryActivity.java

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+package cc.winboll.studio.libwinboll;
+
+import android.app.*;
+import android.os.*;
+
+public class LibraryActivity extends Activity 
+{
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.library);
+    }
+}

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

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+<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

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+<?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

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+<?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>