codelab-constraint-layout
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2.0.0-beta4 - Inconsistent paddingStart/paddingEnd behaviour in RTL
Given a simple constraint layout with padding:
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingStart="10dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="THIS IS A TEST"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
</androidx.constraintlayout.widget.ConstraintLayout>
In Left-To-Right, the layout behaves as expected:

However in Right-To-Left, the layout handles paddingStart differently and clips the view:

The same thing occurs with paddingEnd given a parent end constraint.
It is expected that padding behaviour would be consistent between LTR and RTL versions of the layout.