[HTC Amaze 4G] haninatoon:
usb_storage_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:gravity="center" android:orientation="horizontal" android:id="@id/main" android:padding="18.0dip" android:layout_width="fill_parent" android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<ImageView android:id="@id/icon" android:layout_width="0.0dip" android:layout_height="wrap_content" android:src="@drawable/usb_android" android:layout_weight="1.0" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" />
<RelativeLayout android:layout_width="0.0dip" android:layout_height="wrap_content" android:layout_weight="1.0">
<TextView android:textSize="24.0sp" android:gravity="center" android:id="@id/banner" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="10.0dip" android:text="@string/usb_storage_title" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" />
<TextView android:textSize="14.0sp" android:gravity="center" android:id="@id/message" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="10.0dip" android:text="@string/usb_storage_message" android:layout_below="@id/banner" />
<RelativeLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginBottom="20.0dip" android:layout_alignParentBottom="true" android:layout_centerHorizontal="true">
<Button android:id="@id/mount_button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/usb_storage_button_mount" android:paddingStart="18.0dip" android:paddingEnd="18.0dip" />
<Button android:id="@id/unmount_button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/usb_storage_stop_button_mount" android:paddingStart="18.0dip" android:paddingEnd="18.0dip" />
<ProgressBar android:id="@id/progress" android:visibility="View" android:layout_width="wrap_content" android:layout_height="wrap_content" android:indeterminate="true" style="?android:attr/progressBarStyle" />
</RelativeLayout>
</RelativeLayout>
</LinearLayout>

i do not know what is the wrong here i try to make unmount_button coz there is now one

usb_storage_activity.xml

the original code is

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout android:gravity="center" android:id="@id/main" android:padding="18.0dip" android:layout_width="fill_parent" android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<ImageView android:id="@id/icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/usb_android" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" />
<TextView android:textSize="24.0sp" android:gravity="center" android:id="@id/banner" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="10.0dip" android:text="@string/usb_storage_title" android:layout_below="@id/icon" android:layout_centerHorizontal="true" />
<TextView android:textSize="14.0sp" android:gravity="center" android:id="@id/message" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_marginTop="10.0dip" android:text="@string/usb_storage_message" android:layout_below="@id/banner" />
<RelativeLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginBottom="20.0dip" android:layout_alignParentBottom="true" android:layout_centerHorizontal="true">
<Button android:id="@id/mount_button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/usb_storage_button_mount" android:paddingStart="18.0dip" android:paddingEnd="18.0dip" />
<Button android:id="@id/unmount_button" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/usb_storage_stop_button_mount" android:paddingStart="18.0dip" android:paddingEnd="18.0dip" />
<ProgressBar android:id="@id/progress" android:visibility="gone" android:layout_width="wrap_content" android:layout_height="wrap_content" android:indeterminate="true" style="?android:attr/progressBarStyle" />
</RelativeLayout>
</RelativeLayout>