Alpha to layout make all it's children have alpha ?Android

I am trying to give alpha to only the relative layout which contains the textview but it give alpha to it's children too now textview have alpha too without give it anything i want to remove alpha from it and just leave on relative layout

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

                <ImageView
                    android:id="@+id/phaseImage"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                    android:layout_alignParentTop="true"
                    android:layout_centerHorizontal="true"
                    android:scaleType="fitXY"
                    android:src="@drawable/pic1" />

                <FrameLayout
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_alignBottom="@+id/phaseImage"
                    android:layout_alignParentRight="true"
                     android:alpha=".6"
                        android:background="@drawable/text_view_border"
                    android:layout_marginBottom="10dp" >

                    <RelativeLayout
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"

                        android:gravity="center_vertical"
                        android:padding="5dp" >

                        <TextView
                            android:id="@+id/phaseName"
                            android:layout_width="wrap_content"
                            android:layout_height="wrap_content"
                            android:layout_centerVertical="true"
                            android:padding="5dp"
                            android:text=""
                            android:textAppearance="?android:attr/textAppearanceMedium"
                            android:textColor="@color/white" />
                    </RelativeLayout>
                </FrameLayout>

            </RelativeLayout>