TextView 設置background

使用.9圖片最好

<TextView
    android:id="@+id/tv_play_free"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="left|top"
    android:layout_marginLeft="130dp"
    android:layout_marginTop="40dp"
    android:background="@drawable/freeze_bg"
    android:textColor="@color/white"
    android:textSize="45sp"
    android:text="@string/channel_free"
    android:visibility="gone" />


<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:drawable="@drawable/image" android:state_pressed="true" />
    <item android:drawable="@drawable/image" android:state_selected="true" />
    <item android:drawable="@drawable/image" android:state_focused="true" />
    <item android:drawable="@drawable/image" android:state_selected="false" />
    <item android:drawable="@drawable/image" android:state_focused="false" />

</selector>