Android UI设计模式

home.xml

<?xml version="1.0" encoding="utf-8"?>
<merge
    xmlns:android="http://schemas.android.com/apk/res/android">
    <include
        layout="@layout/background" />
    <LinearLayout
        android:orientation="vertical"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent">
        <include
            layout="@layout/navigator" />
        <include
            layout="@layout/list"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_weight="1.0" />
        <include
            layout="@layout/tab" />
    </LinearLayout>
</merge>

background.xml

<?xml version="1.0" encoding="utf-8"?>
<ImageView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/background"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:scaleType="fitXY"
    android:background="@color/background" />

navigator.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
        android:layout_width="fill_parent"
        android:layout_height="64dp"
        android:gravity="center_vertical"
        style="@android:style/ButtonBar">
        <Button
            android:id="@+id/button_back"
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:text="@string/back" />
        <Button
            android:id="@+id/button_home"
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            android:layout_alignParentRight="true" />
        <TextView
            android:id="@android:id/title"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_toRightOf="@id/button_back"
            android:layout_toLeftOf="@id/button_home"
            android:gravity="center"
            android:singleLine="true"
            android:ellipsize="marquee"
            android:textAppearance="?android:attr/textAppearanceMedium" />
    </RelativeLayout>

list.xml

<?xml version="1.0" encoding="utf-8"?>
<ListView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@android:id/list"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:cacheColorHint="@android:color/transparent"
    android:drawSelectorOnTop="false"
    android:listSelector="@drawable/list_selector_background"
    android:divider="@color/stroke"
    android:dividerHeight="@dimen/line_width" /> 

tab.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="?android:attr/listPreferredItemHeight">
    <ImageButton
        android:id="@+id/tab_profile"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/tab_profile"
        android:layout_weight="1.0"
        android:background="@drawable/bg_btn" />
    <ImageButton
        android:id="@+id/tab_friends"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1.0"
        android:src="@drawable/tab_friends"
        android:background="@drawable/bg_btn" />
    <ImageButton
        android:id="@+id/tab_games"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1.0"
        android:src="@drawable/tab_games"
        android:background="@drawable/bg_btn" />
</LinearLayout>