[Motion] Make public transition classes final which are not meant to be subclassed.

PiperOrigin-RevId: 308711224

Author: hunterstich

lib/java/com/google/android/material/transition/FadeProvider.java

@@ -29,7 +29,7 @@
 import androidx.transition.TransitionValues;
 
 /** A class that configures and is able to provide an {@link Animator} that fades a view. */
-public class FadeProvider implements VisibilityAnimatorProvider {
+public final class FadeProvider implements VisibilityAnimatorProvider {
 
   private float incomingEndThreshold = 1f;
 

lib/java/com/google/android/material/transition/FadeThroughProvider.java

@@ -33,7 +33,7 @@
  *
  * FadeThroughProvider differs from FadeProvider in that it fades out and in views sequentially.
  */
-public class FadeThroughProvider implements VisibilityAnimatorProvider {
+public final class FadeThroughProvider implements VisibilityAnimatorProvider {
 
   static final float PROGRESS_THRESHOLD = 0.35f;
 

lib/java/com/google/android/material/transition/Hold.java

@@ -29,7 +29,7 @@
  * A {@link Visibility} {@link androidx.transition.Transition} that does nothing to the target
  * views, which can be useful for preserving a scene on screen during a Fragment transition.
  */
-public class Hold extends Visibility {
+public final class Hold extends Visibility {
 
   @NonNull
   @Override

lib/java/com/google/android/material/transition/MaterialArcMotion.java

@@ -29,7 +29,7 @@
  * MaterialContainerTransform#setPathMotion(PathMotion)} to have the container move along a curved
  * path from its start position to its end position.
  */
-public class MaterialArcMotion extends PathMotion {
+public final class MaterialArcMotion extends PathMotion {
 
   @NonNull
   @Override

lib/java/com/google/android/material/transition/MaterialContainerTransform.java

@@ -107,7 +107,7 @@
  * @see #setScaleMaskProgressThresholds(ProgressThresholds)
  * @see #setShapeMaskProgressThresholds(ProgressThresholds)
  */
-public class MaterialContainerTransform extends Transition {
+public final class MaterialContainerTransform extends Transition {
 
   /**
    * Indicates that this transition should use automatic detection to determine whether it is an

lib/java/com/google/android/material/transition/MaterialFade.java

@@ -24,7 +24,7 @@
  * A {@link androidx.transition.Visibility} transition that is composed of a fade and scale of
  * incoming content and a simple fade of outgoing content.
  */
-public class MaterialFade extends MaterialVisibility<FadeProvider> {
+public final class MaterialFade extends MaterialVisibility<FadeProvider> {
 
   private static final long DEFAULT_DURATION_ENTER = 150;
   private static final long DEFAULT_DURATION_RETURN = 75;

lib/java/com/google/android/material/transition/MaterialFadeThrough.java

@@ -24,7 +24,7 @@
  * A {@link androidx.transition.Visibility} transition that, by default, provides a fade in and
  * scale out when appearing and a fade out and scale out when disappearing.
  */
-public class MaterialFadeThrough extends MaterialVisibility<FadeThroughProvider> {
+public final class MaterialFadeThrough extends MaterialVisibility<FadeThroughProvider> {
 
   private static final float DEFAULT_START_SCALE = 0.92f;
 

lib/java/com/google/android/material/transition/MaterialSharedAxis.java

@@ -45,7 +45,7 @@
  * down on the Y axis and in on the Z axis. Note that this is independent of whether or not the
  * target is appearing or disappearing.
  */
-public class MaterialSharedAxis extends MaterialVisibility<VisibilityAnimatorProvider> {
+public final class MaterialSharedAxis extends MaterialVisibility<VisibilityAnimatorProvider> {
 
   /**
    * Indicates that the x-axis should be shared for the transition, meaning a horizontal slide and

lib/java/com/google/android/material/transition/ScaleProvider.java

@@ -26,7 +26,7 @@
 import androidx.transition.TransitionValues;
 
 /** A class that configures and is able to provide an {@link Animator} that scales a view. */
-public class ScaleProvider implements VisibilityAnimatorProvider {
+public final class ScaleProvider implements VisibilityAnimatorProvider {
 
   private float outgoingStartScale = 1f;
   private float outgoingEndScale = 1.1f;

lib/java/com/google/android/material/transition/SlideDistanceProvider.java

@@ -41,7 +41,7 @@
  * A class that can configure and create an {@link Animator} that slides a view vertically or
  * horizontally slide over a specific distance.
  */
-public class SlideDistanceProvider implements VisibilityAnimatorProvider {
+public final class SlideDistanceProvider implements VisibilityAnimatorProvider {
 
   private static final int DEFAULT_DISTANCE = -1;