<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <RelativeLayout
        android:id="@+id/relativeLayout0"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
        <!--  이미지가 들어갈 부분  -->
    </RelativeLayout>
    <!--  이미지 의 끝  -->
    <!--  첫 번째 버튼들  -->
        <RelativeLayout
            android:id="@+id/relativeLayout1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            >

            <ImageButton
                android:id="@+id/introductionButton"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:src="@drawable/ic_launcher"
                  />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_below="@+id/introductionButton"
                android:text="학교소개" />

            <ImageButton
                android:id="@+id/call"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_toRightOf="@+id/introductionButton"
                 android:src="@drawable/ic_launcher"
                  />
                        <TextView
                android:id="@+id/callText"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignLeft="@+id/call"
                android:layout_below="@+id/call"
                android:text="학교전화" />
           
            <ImageButton
                android:id="@+id/Correspondence"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_toRightOf="@+id/call"
                 android:src="@drawable/ic_launcher"
                  />
           
                                    <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignBaseline="@+id/textView1"
                android:layout_alignBottom="@+id/textView1"
                android:layout_alignLeft="@+id/Location"
                android:text="학교위치" />

            <ImageButton
                android:id="@+id/Location"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_toRightOf="@+id/Correspondence"
                 android:src="@drawable/ic_launcher"
                  />

            <TextView
                android:id="@+id/textView1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignLeft="@+id/Correspondence"
                android:layout_below="@+id/Correspondence"
                android:text="가정통신문" />

        </RelativeLayout>
        <!--  첫번째 버튼들의 끝 -->

        </RelativeLayout>

위 는 소스 이고...

구현 할려는건

    화면 가운데에 버튼 4개 만들고 

    그 밑으로 일정하게 또 4개

    그 밑으로 또 일정하게 4개

이런게 4개씩 3줄 만들려고 하는데

마지막 버튼 부분들이 작은 기기에서는 화면 밖으로..나가고

큰 기기에서는 버튼이 너무 작은 현상이 일어납니다.. 어떻게 해야하나요?