添加单元测试模块，增加电话号码是否是数字的检测。

mymessagemanager/src/main/res/layout/activity_unittest.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	android:orientation="vertical"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<ScrollView
+		android:layout_width="match_parent"
+		android:layout_height="500dp">
+
+		<LinearLayout
+			android:orientation="vertical"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content">
+
+			<LinearLayout
+				android:orientation="horizontal"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:gravity="right">
+
+				<Button
+					android:layout_width="wrap_content"
+					android:layout_height="wrap_content"
+					android:text="Test Main"
+					android:onClick="onMain"
+					android:textAllCaps="false"/>
+
+			</LinearLayout>
+
+		</LinearLayout>
+
+	</ScrollView>
+
+	<cc.winboll.studio.shared.log.LogView
+		android:layout_width="match_parent"
+		android:layout_height="0dp"
+		android:layout_weight="1.0"
+		android:id="@+id/logview"/>
+
+</LinearLayout>
+