When setting a custom transition on a support v22 fragment transaction to replace one fragment with another like so
ft.setCustomAnimations(R.anim.slide_in_right, R.anim.slide_out_left);

slide_in_right.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:shareInterpolator="true"
android:interpolator="@android:anim/decelerate_interpolator">
<translate android:fromXDelta="100%"
android:toXDelta="0%" android:fromYDelta="0%"
android:toYDelta="0%" android:duration="400">
</translate>
</set>

anim.slide_out_left.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:shareInterpolator="true"
android:interpolator="@android:anim/decelerate_interpolator"
android:zAdjustment="bottom">
<translate android:fromXDelta="0%"
android:toXDelta="-50%" android:fromYDelta="0%"
android:toYDelta="0%" android:duration="400">
</translate>
</set>

(The zAdjustment tag does nothing)

The exiting fragment will be on top of the entering fragment, which is the opposite behavior than what is expected or useful. Currently, an exiting fragment must leave the frame completely, otherwise it will be on top of the entering fragment at the end of the animation, at which point in the last frame of the animation the exiting fragment will pop out of existence. The Z order of the fragments should be reversed or made customizable. The current z ordering offers no advantages.

I am trying to achieve the material effect of putting one "page" of a fragment on top of another while moving the exiting "page" somewhat to the left (50%), rather than 100% which would give the effect of just shoving the exiting "page" to the left, not putting it under the entering fragment. There are some work arounds described here
http://stackoverflow.com/questions/13005961/fragmenttransaction-animation-to-slide-in-over-top
but they don't apply to my case.

Issue 37036000

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