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copied!<p>If you want support from lower versions like 2.1 and higher I can propose my way. I always use separate XML layout for tray (footer in your case), for example (<strong>res/layout/tray.xml</strong>):</p> <pre class="lang-xml prettyprint-override"><code><?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/mainMenu" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_gravity="bottom" android:background="#EEEEEE" android:gravity="bottom|fill_horizontal" android:orientation="horizontal" android:padding="5dp" > <ImageView android:id="@+id/addBtn" android:layout_width="50dp" android:layout_height="50dp" android:src="@drawable/add" android:layout_weight="0.2"/> <ImageView android:id="@+id/catalogBtn" android:layout_width="50dp" android:layout_height="50dp" android:src="@drawable/catalog" android:layout_weight="0.2"/> <ImageView android:id="@+id/searchBtn" android:layout_width="50dp" android:layout_height="50dp" android:src="@drawable/search" android:layout_weight="0.2"/> <ImageView android:id="@+id/settingsBtn" android:layout_width="50dp" android:layout_height="50dp" android:src="@drawable/settings" android:layout_weight="0.2"/> <ImageView android:id="@+id/infoBtn" android:layout_width="50dp" android:layout_height="50dp" android:src="@drawable/info" android:layout_weight="0.2"/> </LinearLayout> </code></pre> <p>And includes it in every <strong>Activity</strong> I need:</p> <pre class="lang-xml prettyprint-override"><code><include layout="@layout/tray" android:id="@+id/tray" /> </code></pre> <p>After that I can in java code hide/show some buttons in tray by ID, or select some of them with another color ...</p>

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