Linearlayout in bottom of screen in android. 

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 
xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:background="#fff"
    android:layout_alignParentBottom="true" 
   android:orientation="vertical">

    <LinearLayout    
    android:layout_width="fill_parent"   
     android:layout_height="wrap_content"   
     android:orientation="horizontal">




    <LinearLayout       
 android:id="@+id/la2"     
   android:layout_width="fill_parent"    
    android:layout_height="35dp"      
  android:gravity="center"        android:layout_margin="5dip"    
    android:layout_weight="1"     
   android:orientation="vertical">
        <ImageView           
 android:id="@+id/couponimage"       
     android:layout_width="30dip"   
         android:layout_height="30dip"   
         android:src="@drawable/acc"            />

    </LinearLayout>


        <LinearLayout    
        android:id="@+id/lf0"       
     android:layout_width="fill_parent"    
        android:layout_height="wrap_content" 
           android:gravity="center"        
    android:layout_margin="5dip"        
    android:layout_weight="1"      
      android:layout_marginBottom="-50dp"          
  android:background="@drawable/foot_round_button" 
           android:orientation="vertical">
            <ImageView            
    android:id="@+id/search_badgess"            
    android:layout_width="30dip"          
      android:layout_height="30dip"                android:src="@drawable/search"
                />

        </LinearLayout>


        <LinearLayout         
   android:id="@+id/lo1"      
      android:layout_width="fill_parent"   
         android:layout_height="35dp"      
      android:gravity="center"          
  android:layout_margin="5dip"         
   android:layout_weight="1"          
  android:orientation="vertical">
            <ImageView              
  android:id="@+id/tableimage"       
         android:layout_width="30dip" 
               android:layout_height="30dip" 
               android:src="@drawable/setting"                />

        </LinearLayout>

    </LinearLayout>
</LinearLayout>






























































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