res/layout/battery_history.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/topLayout"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TextView
        android:id="@+id/title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <LinearLayout
        android:id="@+id/graphLayout"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <Spinner
            android:id="@+id/typeSpinner"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:entries="@array/battery_history_type_spinner" />

        <Spinner
            android:id="@+id/whichSpinner"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:entries="@array/battery_history_which_spinner" />

        <ScrollView
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >

        <LinearLayout
            android:orientation="vertical"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" >
            
        <TextView
            android:id="@+id/messageText"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:textSize="17dp"
            android:visibility="gone" />

        <com.android.settings.battery_history.GraphableButton
            android:id="@+id/button0"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginLeft="4dp"
            android:layout_marginRight="4dp"
            android:layout_marginBottom="4dp"
            android:layout_weight="1" />
    
        <com.android.settings.battery_history.GraphableButton
            android:id="@+id/button1"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginLeft="4dp"
            android:layout_marginRight="4dp"
            android:layout_marginBottom="4dp"
            android:layout_weight="1" />
    
        <com.android.settings.battery_history.GraphableButton
            android:id="@+id/button2"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginLeft="4dp"
            android:layout_marginRight="4dp"
            android:layout_marginBottom="4dp"
            android:layout_weight="1" />
    
        <com.android.settings.battery_history.GraphableButton
            android:id="@+id/button3"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginLeft="4dp"
            android:layout_marginRight="4dp"
            android:layout_marginBottom="4dp"
            android:layout_weight="1" />
    
        <com.android.settings.battery_history.GraphableButton
            android:id="@+id/button4"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginLeft="4dp"
            android:layout_marginRight="4dp"
            android:layout_marginBottom="4dp"
            android:layout_weight="1" />
    
        <com.android.settings.battery_history.GraphableButton
            android:id="@+id/button5"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginLeft="4dp"
            android:layout_marginRight="4dp"
            android:layout_marginBottom="4dp"
            android:layout_weight="1" />
    
        <com.android.settings.battery_history.GraphableButton
            android:id="@+id/button6"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginLeft="4dp"
            android:layout_marginRight="4dp"
            android:layout_marginBottom="4dp"
            android:layout_weight="1" />
    
        <com.android.settings.battery_history.GraphableButton
            android:id="@+id/button7"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginLeft="4dp"
            android:layout_marginRight="4dp"
            android:layout_marginBottom="4dp"
            android:layout_weight="1" />

        </LinearLayout>
        </ScrollView>

    </LinearLayout>

    <LinearLayout
        android:id="@+id/textLayout"
        android:visibility="gone"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <ScrollView
            android:layout_width="match_parent"
            android:layout_height="match_parent" >
            <TextView
                android:id="@+id/detailsText"
                android:layout_width="match_parent"
                android:textSize="17dp"
                android:layout_height="1000dp"/>
        </ScrollView>

    </LinearLayout>

</LinearLayout>