title: android layout fixed size
body: <p>I have next xml code</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:orientation="vertical" &gt;
  
      &lt;LinearLayout 
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:orientation="vertical" 
          android:layout_weight=".10"&gt;
          &lt;TextView 
              android:layout_width="fill_parent"
              android:layout_height="fill_parent"
              android:background="#aa0000"
              android:text="top"/&gt;    
  
      &lt;/LinearLayout&gt;
      &lt;LinearLayout 
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:orientation="vertical" 
          android:layout_weight=".70"&gt;
  
          &lt;ScrollView 
              android:layout_width="fill_parent"
              android:layout_height="wrap_content"
              android:background="#00aa00"&gt;
              &lt;LinearLayout 
                  android:layout_width="fill_parent"
                  android:layout_height="wrap_content"
                  android:orientation="vertical"&gt;
                  &lt;TextView 
  
                      android:layout_width="fill_parent"
                      android:layout_height="wrap_content"            
                      android:textSize="50pt"
                      android:text="center"&gt;
                  &lt;/TextView&gt;
                  &lt;TextView 
  
                      android:layout_width="fill_parent"
                      android:layout_height="wrap_content"            
                      android:textSize="50pt"
                      android:text="center"&gt;
                  &lt;/TextView&gt;
                  &lt;TextView 
  
                      android:layout_width="fill_parent"
                      android:layout_height="wrap_content"            
                      android:textSize="50pt"
                      android:text="center"&gt;
                  &lt;/TextView&gt;
                  &lt;TextView 
  
                      android:layout_width="fill_parent"
                      android:layout_height="wrap_content"            
                      android:textSize="50pt"
                      android:text="center"&gt;
                  &lt;/TextView&gt;
                  &lt;TextView 
  
                      android:layout_width="fill_parent"
                      android:layout_height="wrap_content"            
                      android:textSize="50pt"
                      android:text="center"&gt;
                  &lt;/TextView&gt;
              &lt;/LinearLayout&gt;
          &lt;/ScrollView&gt;
      &lt;/LinearLayout&gt;    
      &lt;LinearLayout 
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
          android:orientation="vertical" 
          android:background="@android:color/white"
          android:layout_weight=".20"&gt;
  
          &lt;TextView 
              android:layout_width="fill_parent"
              android:layout_height="fill_parent"
              android:background="#0000aa"
              android:text="bottom"/&gt; 
         &lt;/LinearLayout&gt;        
  
  
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>In the main LinearLayout i have three LinearLayout. For the first LinearLayout i need set 100px. For the third LinearLayout i need set 200px. And all other size for second LinearLayout. </p>