edittext goes above buttons
<p><img src="http://i.stack.imgur.com/qXu6E.png" alt="enter image description here">I tried many many times but nothing... I've a image on top of screen, an editext and 2 buttons. Filling edittext, that goes above buttons and users can't click on "send" or "cancel". I tried also use "scrollview" but I've same problem.</p>

<pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/inviabackground2"
android:orientation="vertical"
android:layout_weight="1"
tools:context=".MainActivity" &gt;

&lt;ImageView
    android:id="@+id/imageView1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:src="@drawable/logoinvia" /&gt;

&lt;LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal" &gt;

&lt;/LinearLayout&gt;

            &lt;EditText
                android:id="@+id/editText1"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:ems="10" &gt;

&lt;/EditText&gt;

&lt;LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:gravity="bottom"
    android:layout_weight="1"
    android:orientation="horizontal" &gt;

        &lt;Button
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="Invia per mail!" /&gt;

            &lt;Button
                android:id="@+id/button2"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_weight="1"
                android:gravity="center_vertical|center_horizontal"
                android:text="Annulla" /&gt;

&lt;/LinearLayout&gt;
&lt;/LinearLayout&gt;
</code></pre>
