What is "app:layout_constraintHorizontal_bias" used for?

Question

Can anyone please explain what app:layout_constraintHorizontal_bias is used for?

Answer 1

Position View - bias

bias: (constraint area size - view size) distribution ratio.

app:layout_constraintHorizontal_bias="0~1"

0: Attach to the left

1: Attach to the right

0.5: Center (default)

<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="button1"
    app:layout_constraintHorizontal_bias="0"
    ... />
<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="button2"
    app:layout_constraintHorizontal_bias="1"
    ... />