title: In linearLayout i have got cutted upper part oh application
body: <p>What i want to achieve: for both orientation good looking buttons in LinearLayout</p>
  
  <pre><code>&lt;ScrollView
      android:layout_height="match_parent"
      android:layout_width="match_parent"
      xmlns:android="http://schemas.android.com/apk/res/android"
      android:background="#fffffce0"&gt;
  
  &lt;LinearLayout
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:background="#fffffce0"
      android:orientation="vertical"
      android:gravity="center"
      android:layout_gravity="center"
      &gt;
  
  
      &lt;Button
          android:layout_width="match_parent"
          android:layout_height="90dp"
          android:id="@+id/bMnemo"
          android:layout_marginTop="20dp"
          android:text="@string/bMnemo"
          android:textColor="#ffffff"
          android:background="@drawable/custon_button_active"
          android:textSize="18sp"
          android:onClick="mnemotechniki"
          android:layout_weight="1" /&gt;
  
      &lt;Button
          android:layout_width="match_parent"
          android:layout_height="70dp"
          android:id="@+id/bZnasz"
          android:layout_gravity="center_horizontal"
          android:layout_marginTop="40dp"
          android:background="@drawable/custon_button_active"
          android:text="@string/bZnasz"
          android:textColor="#ffffff"
          android:textSize="15sp"
          android:onClick="znasz"
          android:layout_weight="1" /&gt;
  
      &lt;Button
          android:layout_width="match_parent"
          android:layout_height="70dp"
          android:id="@+id/b1000"
          android:layout_gravity="center_horizontal"
          android:layout_marginTop="40dp"
          android:background="@drawable/custon_button_active"
          android:text="@string/b1000"
          android:textColor="#ffffff"
          android:textSize="15sp"
          android:onClick="metoda1000"
          android:layout_weight="1" /&gt;
  
      &lt;Button
          android:layout_width="match_parent"
          android:layout_height="70dp"
          android:id="@+id/bMoje"
          android:layout_marginTop="40dp"
          android:background="@drawable/custom_button_unactive"
          android:text="@string/bMoje"
          android:textColor="#ffffff"
          android:textSize="15sp"
          android:onClick="moje"
          android:layout_weight="1"
          android:layout_marginBottom="10dp"
          /&gt;
  
  &lt;/LinearLayout&gt;
  &lt;/ScrollView&gt;
  
  
  &lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;selector xmlns:android="http://schemas.android.com/apk/res/android"&gt;
      &lt;item android:drawable="@drawable/b_active_pressed"
          android:state_pressed="true" /&gt;
      &lt;item android:drawable="@drawable/b_active"
          android:state_focused="true" /&gt;
      &lt;item android:drawable="@drawable/b_active" /&gt;
  &lt;/selector&gt;
  </code></pre>
  
  <p>Problem: When i rotate my screen on phone (to landscape, start screen) upper part of app is cutted, like in the photo:
  <a href="http://zapodaj.net/15ab989809a33.jpg.html" rel="nofollow">http://zapodaj.net/15ab989809a33.jpg.html</a></p>
  
  <p>(a (in the picture) - cutted part)</p>