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POAndroid - Issues with tabhost and aligning imageview and textview
 

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  1. POAndroid - Issues with tabhost and aligning imageview and textview
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    <p>Im trying to create a tab host as shown in the attached screen shot but having an issue with the icon image and alignment of text - the image needs to be aligned above the text but all attempts fail; </p> <p><a href="https://www.dropbox.com/sh/01p5v9mjy3l6t49/gtryTHS-fC" rel="nofollow">PM For Image if unable to see link here </a></p> <p>I've included some sample code but Im unable to force the image top align of the text - it only works if I increase the layout_height in the tab_indicator file to be greater than 66dip but Im restricted in space and the images supplied. If you cant see the image/link, the image is not forced above the text so it part of the image is behind the text!</p> <p>tab_indicator.xml</p> <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="88.0dip" android:layout_height="66.0dip" android:layout_weight="1.0"&gt; &lt;include layout="@layout/tab_indicator_portrait" /&gt; &lt;/FrameLayout&gt; </code></pre> <p>tabindicator_protrait.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/tab_indicator_portrait" android:layout_width="fill_parent" android:layout_height="fill_parent" android:paddingBottom="3.0dip" android:paddingTop="3.0dip" &gt; &lt;ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="top|center" android:layout_marginTop="3.0dip" /&gt; &lt;TextView android:id="@+id/title" style="?android:attr/tabWidgetStyle" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="bottom|center" android:textColor="@color/tab_indicator_text" android:textSize="12.0dip" /&gt; &lt;/FrameLayout&gt; </code></pre> <p>tab_host.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;TabHost xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/tabhost" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;LinearLayout android:id="@+id/topLayout" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" android:padding="0.0dip" &gt; &lt;FrameLayout android:id="@android:id/tabcontent" android:layout_width="fill_parent" android:layout_height="0.0dip" android:layout_weight="1.0" /&gt; &lt;TabWidget android:id="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_margin="0dip" android:padding="0dip" /&gt; &lt;/LinearLayout&gt; &lt;/TabHost&gt; </code></pre> <p>There are a few reasons why I've got it setup like this;</p> <ul> <li>the tab_indicator.xml file can also include a landscape file if i need to handle landscape differently i.e. further releases based on market feedback/testing</li> <li>allows the application to have a generic look and feel as I only want the icons to change when a user moves between tabs - had issues with tabhost in 4.0.4 and this seems like a cleaner way of handling it.</li> </ul> <p>I've tried some code in my TabActivity to handle the layout size based on screen size;</p> <pre><code>private void detectScreen() { Display localDisplay = getWindowManager().getDefaultDisplay(); if (localDisplay.getWidth() &lt; localDisplay.getHeight()) { int dips = 45; TabHost localTabHost = getTabHost(); DisplayMetrics localDisplayMetrics = getResources().getDisplayMetrics(); for (int i = 0; i &lt; localTabHost.getTabWidget().getTabCount(); i++) { View localView = localTabHost.getTabWidget().getChildTabViewAt(i); localView.getLayoutParams().height = ImageUtils.convertDIPToPixels(localDisplayMetrics, (float)dips); } } } </code></pre> <p>But again, changing the size of the layout DOES make the image smaller but not aligned with the text.</p> <p>The manifest file also contains the following;</p> <pre><code>&lt;supports-screens android:anyDensity="true" android:largeScreens="true" android:normalScreens="true" android:smallScreens="true"/&gt; </code></pre>
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    1. COI've tested changing FrameLayout to LinearLayout in the tab_indicator_protait.xml - this just removes the text and displays the image!
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