how to add & remove layout element between portarit mode and landscape mode?

I have a simple layout, which shows a text and a image:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="#ffffff"
>    
    <LinearLayout 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:gravity="center"
    >

        <TextView 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:gravity="center"
            android:text="TEST"
            android:textColor="#0099cc"
        />

        <ImageView   
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:tint="#55ff0000"
            android:src="@drawable/my_image"/>
    </LinearLayout>    


</LinearLayout>

I would like the image to be shown only when the device is in Portrait mode.

What I mean is if the device is in landscape mode, I would like to not only just hide the image, but remove 开发者_开发知识库the image completely from the layout. How to do it?

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Android provides for this by allowing you to have multiple layout files in separate layout folders which are used in different environments.

You should move this xml file to a new res/layout-port folder in your directory structure, and create a copy in res/layout-land which lacks your ImageView. Android will select the appropriate XML file depending on which orientation the device is in.

There's more information here.

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You can specify two layouts: one fort portrait mode, placed in layout-port folder, and one for landscape mode, placed in layout-land folder. Hope this helps.