[Slider] Fix thumb visibility for vertical slider on API 23

pubiqq · leticiarossi · commit e6e938505961 · 2025-01-08T18:04:33.000Z
Resolves #4505 GIT_ORIGIN_REV_ID=ed5a3af3ec63ea820651897eac2caa85ece13288 PiperOrigin-RevId: 712937074
diff --git a/lib/java/com/google/android/material/slider/BaseSlider.java b/lib/java/com/google/android/material/slider/BaseSlider.java
@@ -2917,7 +2917,7 @@ private void drawThumbDrawable(
       @NonNull Canvas canvas, int width, int top, float value, @NonNull Drawable thumbDrawable) {
     canvas.save();
     if (isVertical()) {
-      canvas.setMatrix(rotationMatrix);
+      canvas.concat(rotationMatrix);
     }
     canvas.translate(
         trackSidePadding

Original file line number	Diff line number	Diff line change
`@@ -2917,7 +2917,7 @@ private void drawThumbDrawable(`
`2917`	`2917`	`@NonNull Canvas canvas, int width, int top, float value, @NonNull Drawable thumbDrawable) {`
`2918`	`2918`	`canvas.save();`
`2919`	`2919`	`if (isVertical()) {`
`2920`		`- canvas.setMatrix(rotationMatrix);`
	`2920`	`+ canvas.concat(rotationMatrix);`
`2921`	`2921`	`}`
`2922`	`2922`	`canvas.translate(`
`2923`	`2923`	`trackSidePadding`