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POAndroid App Background Colour Not Setting
 

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    <p>I've recently started working on an Android app. I'm not a programming noob, I have been programming in Java since 2009, but this is my first Android app. I have tried following some tutorials on how to set the background colour but it simply isn't working for me. I can't work out what I'm doing wrong.</p> <p>In my layout directory I have files called: main.xml and view_fact.xml. They both use the linear layout and my LinearLayout Tag is as follows:</p> <pre><code>&lt;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="@color/background_grey" &gt; </code></pre> <p>And in my "values" directory I the contents of "strings.xml" is:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;resources&gt; &lt;string name="app_name"&gt;Facts&lt;/string&gt; &lt;color name="background_grey"&gt;#E8E8E8&lt;/color&gt; &lt;/resources&gt; </code></pre> <p>But the background colour is not changing from the default black.</p> <p>I've also tried adding: "android:theme="@android:style/Theme.Light"" in my AndroidManifest.xml file.</p> <p>None of this is working, any suggestions?</p> <p>Thank you.</p> <p>On my view_fact.xml page it looks like this:</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="fill_parent" android:layout_height="fill_parent" android:background="@color/background_grey" &gt; &lt;TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Fact:" android:padding="10dp" android:textColor="#080808" /&gt; &lt;TextView android:id="@+id/factData" android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="10dp" android:text="" /&gt; &lt;Button android:id="@+id/anotherFactButton" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Another Fact"/&gt; &lt;/LinearLayout&gt; </code></pre> <p>What's interesting is that the text in "factData" is grey, while the text: "Fact:" in the Text View above is white, and I've tried to change it's colour to red and it doesn't work. It stays white.</p> <p>Any suggestions? I still haven't managed to get this working; thank you.</p>
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    1. COif you want to use @color/background_grey you need to make a color.xml file I believe. Otherwise you could use the android defaults to check... see this question http://stackoverflow.com/questions/3769762/android-color-xml-resource-file
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    2. COChange your layout color to @android:color/white and start from there. Also, where are you using your view_fact? You only have that LinearLayout in your main?
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      1. USTiago Almeida
    3. COI'll try changing the layout color to that now. And yes, view_fact is another page, and when a button is clicked it changes the content view to that page.
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