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copied!<p>The little gap to the left/right is added by the framework since the default <code>windowTitleBackgroundStyle</code> in the <a href="https://github.com/android/platform_frameworks_base/blob/master/core/res/res/values/themes.xml" rel="nofollow">standard theme</a> used a <a href="https://github.com/android/platform_frameworks_base/blob/master/core/res/res/drawable/title_bar.xml" rel="nofollow">9-patch drawable</a> with that <a href="https://github.com/android/platform_frameworks_base/blob/master/core/res/res/drawable-hdpi/activity_title_bar.9.png" rel="nofollow">padding</a>. Here's an example on how to override this:</p> <p>In AndroidManifest.xml, add an <code>android:theme</code> for your Activity:</p> <pre><code><activity android:theme="@style/MyCustomTitlebar" android:label="Custom Titlebar" android:name=".CustomTitlebar" /> </code></pre> <p>Then define the custom theme somewhere in your resources (for example in res/values/themes.xml):</p> <pre><code><?xml version="1.0" encoding="UTF-8"?> <resources xmlns:android="http://schemas.android.com/apk/res/android"> <style name="MyCustomTitlebar" parent="@android:style/Theme"> <item name="android:windowTitleBackgroundStyle">@style/MyBackground</item> </style> <style name="MyBackground"> <item name="android:background">@drawable/background</item> </style> </resources> </code></pre> <p>Since we move the background to the style, we can modify your mytitle.xml layout to the following:</p> <pre><code><?xml version="1.0" encoding="UTF-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/myTitle" android:layout_width="match_parent" android:layout_height="match_parent" android:text="custom title bar" /> </code></pre> <p>You might need to adjust either your background (so it has some padding if it's a 9-patch) or just set the padding in the mytitle.xml layout (using paddingLeft/Right/Top/Bottom).</p>

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