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POImageView in android XML layout with layout_height="wrap_content" has padding top & bottom
 

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  1. POImageView in android XML layout with layout_height="wrap_content" has padding top & bottom
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    <p>I have a vertical LinearLayout containing an ImageView and a few other layouts and views.</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"&gt; &lt;ImageView android:layout_width="match_parent" android:layout_height="wrap_content" android:contentDescription="@string/banner_alt" android:src="@drawable/banner_portrait" /&gt; &lt;TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="@string/main_search" android:gravity="center" android:textStyle="bold" /&gt; &lt;LinearLayout android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="wrap_content" &gt; &lt;Spinner android:id="@+id/search_city_spinner" android:layout_width="0px" android:layout_height="wrap_content" android:layout_weight="1" android:prompt="@string/search_city_prompt" android:entries="@array/search_city_array" /&gt; &lt;Spinner android:id="@+id/search_area_spinner" android:layout_width="0px" android:layout_height="wrap_content" android:layout_weight="1" android:prompt="@string/search_area_prompt" android:entries="@array/search_area_array" /&gt; &lt;/LinearLayout&gt; &lt;LinearLayout android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="wrap_content" &gt; &lt;Spinner android:id="@+id/search_rooms_spinner" android:layout_width="0px" android:layout_height="wrap_content" android:layout_weight="1" android:prompt="@string/search_rooms_prompt" android:entries="@array/search_rooms_array" /&gt; &lt;Spinner android:id="@+id/search_min_spinner" android:layout_width="0px" android:layout_height="wrap_content" android:layout_weight="1" android:prompt="@string/search_min_prompt" android:entries="@array/search_min_array" /&gt; &lt;Spinner android:id="@+id/search_max_spinner" android:layout_width="0px" android:layout_height="wrap_content" android:layout_weight="1" android:prompt="@string/search_max_prompt" android:entries="@array/search_max_array" /&gt; &lt;/LinearLayout&gt; &lt;Button android:id="@+id/saearch_button" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="@string/search_button" android:onClick="searchButton" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>My problem is that when the activity is displayed, the ImageView has a padding at the top &amp; bottom. I've confirmed it is the ImageView (by setting a background colour on the ImageView).</p> <p>The image is 450x450px. Setting the height manually to 450px produces the desired effect (no padding), and setting it to 450dp produces the same effect as using wrap_content.</p> <p>It seems that android is taking the height of the image (450px) and setting the height of the ImageView to the same value, but in dp.</p> <p>Any ideas as to what I can do to fix this? I don't want to use absolute values as I'll be providing different images for different screen densities.</p>
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