텍스트가 계속 왼쪽상단에만 있는데 중간 바텀에 출력되게 하고 싶어요
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="850">
<FrameLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ImageView
android:id="@+id/bt_state"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/bt_indicator" />
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_gravity="bottom|center">
<TextView
android:id="@+id/bluetooth_state"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#000000"
android:textStyle="bold"
android:gravity="bottom"
android:background="#ffffff" />
</LinearLayout>
</FrameLayout>
</LinearLayout>