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    copied!<p>Steps I took:</p> <ol> <li>Create a class extending <a href="http://developer.android.com/reference/android/app/Dialog.html" rel="nofollow noreferrer">Dialog</a>.</li> <li>In the onCreate, call <code>setContentView(x, y)</code> with <code>x</code> being your R.layout and <code>y</code> being R.style.popupStyle (see below).</li> <li>In your res/values/style.xml, you need to override the default DialogWindow style. I tried just making a style that has this one as its parent, but that still didn't clear all defaults. So I checked the Android git tree and got the default style, and just copy-pasted it. This is the one: </li> </ol> <pre>&lt;style name="Theme.Dialog"&gt; &lt;item name="android:windowFrame"&gt;@null&lt;/item&gt; &lt;item name="android:windowTitleStyle"&gt;@android:style/DialogWindowTitle&lt;/item&gt; &lt;item name="android:windowBackground"&gt;@android:drawable/panel_background&lt;/item&gt; &lt;item name="android:windowIsFloating"&gt;true&lt;/item&gt; &lt;item name="android:windowContentOverlay"&gt;@null&lt;/item&gt; &lt;item name="android:windowAnimationStyle"&gt;@android:style/Animation.Dialog&lt;/item&gt; &lt;item name="android:windowSoftInputMode"&gt;stateUnspecified|adjustPan&lt;/item&gt; &lt;/style&gt;</pre> <p>You'll get a few errors, just solve them by copying more stuff from the official Android styles.xml and themes.xml files. Here's the contents of my styles.xml file: <a href="http://pastebin.com/RRR15YYS" rel="nofollow noreferrer">http://pastebin.com/RRR15YYS</a></p> <p>That just gives you a white popup, no borders, nothing. Start customizing. :)</p> <p>Thanks to mbaird for putting me on the right track.</p> <p>[edit] I needed to look up my own answer again, and I spent at least ten minutes searching the official android styles/themes files, so here they are, for future reference: <a href="http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;f=core/res/res/values/styles.xml;hb=HEAD" rel="nofollow noreferrer">styles.xml</a> and <a href="http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;f=core/res/res/values/themes.xml;hb=HEAD" rel="nofollow noreferrer">themes.xml</a>.</p>
 

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