EditText 默认不获取焦点，弹出软键盘布局变形解决方案

<LinearLayout
	android:layout_width="match_parent"
	android:layout_height="74dp"
	android:focusable="true"
	android:focusableInTouchMode="true"
	android:gravity="center_vertical"
	android:orientation="horizontal"
	android:paddingLeft="20dip"
	android:paddingRight="20dip" >

	<TextView
		style="@style/BillDetailLabel"
		android:text="@string/takecar_car_kilometre" />

	<EditText
		android:id="@+id/my_bill_detail_takecar_car_kilometre_content"
		style="@style/BillDetailContent"
		android:layout_width="0dp"
		android:layout_marginLeft="10dp"
		android:layout_weight="1"
		android:gravity="left"
		android:inputType="number"
		android:maxLength="9" />

	<TextView
		style="@style/BillDetailLabel"
		android:layout_marginLeft="2dp"
		android:text="@string/kilometre" />

	<Button
		android:id="@+id/my_bill_detail_takepic_btn"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:layout_marginLeft="10dp"
		android:background="@drawable/my_bill_detail_camera_icon_selector" />
</LinearLayout>