[ProgressIndicator] Fix ArithmeticException when calculating the phase

Author: pubiqq

lib/java/com/google/android/material/progressindicator/DrawableWithAnimatedVisibilityChange.java

@@ -452,15 +452,18 @@ float getPhaseFraction() {
     if (mockPhaseFraction > 0) {
       return mockPhaseFraction;
     }
+
     float phaseFraction = 0f;
-    if (baseSpec.speed != 0) {
+    if (baseSpec.wavelength > 0 && 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;