How to always show scrollbar

The scrollbar in my scrollview 开发者_开发技巧is only visible when I start scrolling. How can I always show it?

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As of now the best way is to use android:fadeScrollbars="false" in xml which is equivalent to ScrollView.setScrollbarFadingEnabled(false); in java code.

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Setting the android:scrollbarFadeDuration="0" will do the trick.

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There are 4 ways:

• From Java code: ScrollView.setScrollbarFadingEnabled(false);
• From XML code: android:fadeScrollbars="false"
• From Java code: myView.setScrollBarFadeDuration(0)
• From XML code: android:scrollbarFadeDuration="0"

Simple as that!

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Style your scroll bar Visibility, Color and Thickness like this:

<ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/recycler_bg"

        <!--Show Scroll Bar-->
        android:fadeScrollbars="false"
        android:scrollbarAlwaysDrawVerticalTrack="true"
        android:scrollbarFadeDuration="50000"

        <!--Scroll Bar thickness-->
        android:scrollbarSize="4dp"

        <!--Scroll Bar Color-->
        android:scrollbarThumbVertical="@color/colorSecondaryText"/>

Hope it help save some time.

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Don't forget to add android:scrollbars="vertical" along with android:fadeScrollbars="false" or it won't show at all in some cases.

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Try this as the above suggestions didn't work for me when I wanted to do this for a TextView:

TextView.setScrollbarFadingEnabled(false);

Good Luck.

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Try android:scrollbarAlwaysDrawVerticalTrack="true" for vertical. and Try android:scrollbarAlwaysDrawHorizontalTrack="true" for horizontal

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Since neither of the above worked for me, here's what did: android:scrollbarDefaultDelayBeforeFade="500000"

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android:scrollbarFadeDuration="0" sometimes does not work after I exit from the apps and start again. So I add gallery.setScrollbarFadingEnabled(false); to the activity and it works!

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Simple and easy. Add this attribute to the ScrollBar:

android:fadeScrollbars="false"

Or you can do this in java:

scrollView.setScrollbarFadingEnabled(false);

Or in kotlin:

scrollView.isScrollbarFadingEnabled = false

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These two together worked for me:

android:scrollbarFadeDuration="0"
android:scrollbarAlwaysDrawVerticalTrack="true"

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I had the same problem. The bar had the same background color. Try:

android:scrollbarThumbVertical="@android:color/black"

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setVertical* helped to make vertical scrollbar always visible programmatically

scrollView.setScrollbarFadingEnabled(false);
scrollView.setVerticalScrollBarEnabled(true);
scrollView.setVerticalFadingEdgeEnabled(false);

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Setting this will do the trick. Change the @drwable for own style.

android:scrollbars="vertical"
            android:scrollbarAlwaysDrawVerticalTrack="true"
            android:fadeScrollbars="false"
            android:scrollbarThumbVertical="@drawable/scroll"`

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use awakenScrollBars() awake scrollbar draw.