fix some layout...

res/layout/main.xml

@@ -12,8 +12,10 @@
 	    android:layout_height="wrap_content">
 	    <TextView android:id="@+id/onboot_lab"
 		android:layout_width="wrap_content"
-		android:layout_height="wrap_content"
-		android:layout_alignParentTop="true"
+		android:layout_height="fill_parent"
+		android:layout_alignParentTop="@+id/onboot"
+		android:layout_alignBottom="@+id/onboot"
+		android:gravity="center_vertical"
 		android:text="Start on boot"
 		android:textAppearance="?android:attr/textAppearanceMedium" />
 	    <CheckBox android:id="@+id/onboot"
@@ -24,13 +26,13 @@
 	    <TextView android:id="@+id/port_lab"
 		android:layout_width="wrap_content"
 		android:layout_height="wrap_content"
-		android:layout_below="@+id/onboot_lab"
+		android:layout_below="@+id/onboot"
 		android:text="Port"
 		android:textAppearance="?android:attr/textAppearanceMedium" />
 	    <EditText android:id="@+id/port"
 		android:layout_width="100dp"
 		android:layout_height="wrap_content"
-		android:layout_below="@+id/port_lab"
+		android:layout_below="@+id/onboot"
 		android:layout_alignParentRight="true"
 		android:textAppearance="?android:attr/textAppearanceMedium"
 		android:singleLine="true"