关于android:scrollbarStyle属性

1. activity_maim.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <ScrollView
        android:id="@+id/view1"
        android:layout_width="100dip"
        android:layout_height="120dip"
        android:background="@android:color/white"
        android:padding="8dip"
        android:scrollbarStyle="insideOverlay" >

        <TextView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="@android:color/darker_gray"
            android:text="scroll_text scroll_text scroll_text scroll_text scroll_text scroll_text scroll_text"
            android:textColor="#ffffff" />
    </ScrollView>

    <ScrollView
        android:id="@+id/view2"
        android:layout_width="100dip"
        android:layout_height="120dip"
        android:background="@android:color/white"
        android:padding="8dip"
        android:scrollbarStyle="insideInset" >

        <TextView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="@android:color/darker_gray"
            android:text="scroll_text scroll_text scroll_text scroll_text scroll_text scroll_text scroll_text"
            android:textColor="#ffffff" />
    </ScrollView>

    <ScrollView
        android:id="@+id/view3"
        android:layout_width="100dip"
        android:layout_height="120dip"
        android:background="@android:color/white"
        android:padding="8dip"
        android:scrollbarStyle="outsideOverlay" >

        <TextView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="@android:color/darker_gray"
            android:text="scroll_text scroll_text scroll_text scroll_text scroll_text scroll_text scroll_text"
            android:textColor="#ffffff" />
    </ScrollView>

    <ScrollView
        android:id="@+id/view4"
        android:layout_width="100dip"
        android:layout_height="120dip"
        android:background="@android:color/white"
        android:padding="8dip"
        android:scrollbarStyle="outsideInset" >

        <TextView
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="@android:color/darker_gray"
            android:text="scroll_text scroll_text scroll_text scroll_text scroll_text scroll_text scroll_text"
            android:textColor="#ffffff" />
    </ScrollView>

</LinearLayout>

2. 运行结果截图：