Android登錄界面；注意圖片盡量保存drawable這一級目錄下，文件命名只能用小寫字母、數字，下劃線界面不顯示應用名稱和全屏覆蓋

界面布局代碼

xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="@drawable/home_page_bg"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin" >
android:layout_width="match_parent"
android:layout_height="0dp"
android:orientation="horizontal"
android:layout_weight="1"
android:gravity="center"
>
android:layout_width="match_parent"
android:layout_height="0dp"
android:orientation="horizontal"
android:layout_weight="1"
android:gravity="center"
>
android:layout_width="match_parent"
android:layout_height="0dp"
android:orientation="horizontal"
android:layout_weight="1"
android:gravity="center_horizontal"

>

android:background="@drawable/home_page_login" />


android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="horizontal"
android:gravity="center_horizontal">

android:background="@drawable/home_page_register"/>

android:layout_width="fill_parent"
android:layout_height="wrap_content"

android:orientation="horizontal">
android:layout_weight="1" android:background="@drawable/button01_a"
/>
android:layout_weight="1" android:background="@drawable/button02_a"
/>
android:layout_weight="1" android:background="@drawable/button03_a"
/>
android:layout_weight="1" android:background="@drawable/button04_a"
/>
android:layout_weight="1" android:background="@drawable/button05_a"
/>

這裡紅線是設置對應成比例