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copied!<p>If you want to know about themes and styles, see this link of android developer : <a href="http://developer.android.com/guide/topics/ui/themes.html" rel="nofollow noreferrer">http://developer.android.com/guide/topics/ui/themes.html</a></p> <p>build two styles and then give the value of setting from prefrence and switch between theme , you can set themes programmatically in your activity with this code : <code>setTheme(R.style.MyTheme);</code></p> <p>You can do this with the following code in your themes.xml file in the values folder:</p> <pre><code><?xml version="1.0" encoding="utf-8"?> <resources> <style name="MyTheme" parent="@android:style/Theme.Light">  <item name="android:windowNoTitle">true</item> </style> </resources> </code></pre> <p>And you can have a ListPreference with this code and add your string arrays in String.xml :</p> <pre><code> <ListPreference android:title="List Preference" android:summary="Select the option of the list" android:key="listPref" android:entries="@array/listDisplayWord" android:entryValues="@array/listReturnValue" /> </code></pre> <p>This link is useful for you : <a href="https://stackoverflow.com/q/5998565/1105277">How to add multiple theme attributes to the same activity on Android Manifest?</a></p> <p>You can use a value that give from your listPreference and switch between your layout, like this : </p> <pre><code>if(myTheme==1) setContentView(R.layout.main1); else setContentView(R.layout.main2); </code></pre> <p>but the name of components(buttons,textViews, EditText,...) in the these layout must same.</p>

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