From ce00ba3778721b6a8e15b7027576ac7ad2d689d1 Mon Sep 17 00:00:00 2001
From: pubiqq <serj.ese@gmail.com>
Date: Wed, 15 May 2024 18:11:43 +0000
Subject: [PATCH] [ProgressIndicator] Fix ArithmeticException when calculating
 the phase

Resolves https://github.com/material-components/material-components-android/pull/4154

GIT_ORIGIN_REV_ID=d5aedbbd23f1b6d126263cba8960df0bc36386c4
PiperOrigin-RevId: 634014470
---
 .../DrawableWithAnimatedVisibilityChange.java       | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/lib/java/com/google/android/material/progressindicator/DrawableWithAnimatedVisibilityChange.java b/lib/java/com/google/android/material/progressindicator/DrawableWithAnimatedVisibilityChange.java
index d82984d7a45..f6992aa3c93 100644
--- a/lib/java/com/google/android/material/progressindicator/DrawableWithAnimatedVisibilityChange.java
+++ b/lib/java/com/google/android/material/progressindicator/DrawableWithAnimatedVisibilityChange.java
@@ -451,15 +451,18 @@ float getPhaseFraction() {
     if (mockPhaseFraction > 0) {
       return mockPhaseFraction;
     }
+
     float phaseFraction = 0f;
-    if (baseSpec.speed != 0) {
+    if (baseSpec.hasWavyEffect() && baseSpec.speed != 0) {
       float durationScale =
           animatorDurationScaleProvider.getSystemAnimatorDurationScale(
               context.getContentResolver());
-      int cycleInMs = (int) (1000f * baseSpec.wavelength / baseSpec.speed * durationScale);
-      phaseFraction = (float) (System.currentTimeMillis() % cycleInMs) / cycleInMs;
-      if (phaseFraction < 0f) {
-        phaseFraction = (phaseFraction % 1) + 1f;
+      if (durationScale > 0f) {
+        int cycleInMs = (int) (1000f * baseSpec.wavelength / baseSpec.speed * durationScale);
+        phaseFraction = (float) (System.currentTimeMillis() % cycleInMs) / cycleInMs;
+        if (phaseFraction < 0f) {
+          phaseFraction = (phaseFraction % 1) + 1f;
+        }
       }
     }
     return phaseFraction;