Set duration for translate animation in xml

Question

I just started learning animations and I was wondering how can I set the duration of an animation (scale, translate, rotate etc..) in the XML file?

This is my translate.xml resource file:

<?xml version="1.0" encoding="utf-8"?>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:fromXDelta="-1000"
    android:toXDelta="0">
</translate>

I watched some tutorials on Youtube and noticed that they used android:duration="2000" (this means 2 seconds if I'm not mistaken?), something like this:

<?xml version="1.0" encoding="utf-8"?>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:fromXDelta="-1000"
    android:toXDelta="0"
    android:duration="2000">
</translate>

However, I was unable to add that line of code inside my XML file. I am doing something wrong here?

UPDATE: After multiple times of restarting my Android Studio project, I was able to add that line of code. (Previously the IDE was displaying red squiggly lines)

Answer 1

everything looks fine, duration should work as TranslateAnimation extends Animation, which handle duration attribute

Answer 2

In the your xml file the root element should be set inside set you should define duration. Then you can override that duration in translate.

Here is the code

<?xml version="1.0" encoding="utf-8"?>
<set
    xmlns:android="http://schemas.android.com/apk/res/android"        
    android:duration="700">

        <translate
            android:duration = "500"
            android:fromYDelta="100%"
            android:toYDelta="0%" />

</set>