[ProgressIndicator] Updated "indicatorSize" in CircularProgressIndicatorSpec to be never less than twice of "trackThickness".

Resolves #2005

PiperOrigin-RevId: 353887395

Author: pekingme

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

@@ -18,6 +18,8 @@
 
 import com.google.android.material.R;
 
+import static java.lang.Math.max;
+
 import android.content.Context;
 import android.util.AttributeSet;
 import androidx.annotation.AttrRes;
@@ -150,10 +152,9 @@ public int getIndicatorSize() {
    * @see #getIndicatorSize()
    * @attr ref
    *     com.google.android.material.progressindicator.R.stylable#CircularProgressIndicator_indicatorSize
-   * @throws IllegalArgumentException if new indicator radius is less than half of the indicator
-   *     size.
    */
   public void setIndicatorSize(@Px int indicatorSize) {
+    indicatorSize = max(indicatorSize, getTrackThickness() * 2);
     if (spec.indicatorSize != indicatorSize) {
       spec.indicatorSize = indicatorSize;
       spec.validateSpec();

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

@@ -19,6 +19,7 @@
 import com.google.android.material.R;
 
 import static com.google.android.material.resources.MaterialResources.getDimensionPixelSize;
+import static java.lang.Math.max;
 
 import android.content.Context;
 import android.content.res.TypedArray;
@@ -82,8 +83,13 @@ public CircularProgressIndicatorSpec(
         ThemeEnforcement.obtainStyledAttributes(
             context, attrs, R.styleable.CircularProgressIndicator, defStyleAttr, defStyleRes);
     indicatorSize =
-        getDimensionPixelSize(
-            context, a, R.styleable.CircularProgressIndicator_indicatorSize, defaultIndicatorSize);
+        max(
+            getDimensionPixelSize(
+                context,
+                a,
+                R.styleable.CircularProgressIndicator_indicatorSize,
+                defaultIndicatorSize),
+            trackThickness * 2);
     indicatorInset =
         getDimensionPixelSize(
             context,
@@ -100,17 +106,5 @@ public CircularProgressIndicatorSpec(
   }
 
   @Override
-  void validateSpec() {
-    if (indicatorSize < trackThickness * 2) {
-      // Throws an exception if indicatorSize is less than twice of the trackThickness, which will
-      // result in a part of the inner side of the indicator overshoots the center, and the visual
-      // becomes undefined.
-      throw new IllegalArgumentException(
-          "The indicatorSize ("
-              + indicatorSize
-              + " px) cannot be less than twice of the trackThickness ("
-              + trackThickness
-              + " px).");
-    }
-  }
+  void validateSpec() {}
 }