From 05749f4fd044c0f49b9619beddd6104d76c84309 Mon Sep 17 00:00:00 2001
From: mengxn <mengxn@outlook.com>
Date: Fri, 29 May 2020 15:37:20 +0800
Subject: [PATCH] listen animation state

---
 .../main/java/com/facebook/shimmer/ShimmerDrawable.java  | 9 +++++++++
 .../java/com/facebook/shimmer/ShimmerFrameLayout.java    | 8 +++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/shimmer/src/main/java/com/facebook/shimmer/ShimmerDrawable.java b/shimmer/src/main/java/com/facebook/shimmer/ShimmerDrawable.java
index 79ace05..ed60dd8 100644
--- a/shimmer/src/main/java/com/facebook/shimmer/ShimmerDrawable.java
+++ b/shimmer/src/main/java/com/facebook/shimmer/ShimmerDrawable.java
@@ -8,6 +8,7 @@
 
 package com.facebook.shimmer;
 
+import android.animation.Animator;
 import android.animation.ValueAnimator;
 import android.graphics.Canvas;
 import android.graphics.ColorFilter;
@@ -63,7 +64,15 @@ public void setShimmer(@Nullable Shimmer shimmer) {
 
   /** Starts the shimmer animation. */
   public void startShimmer() {
+    startShimmer(null);
+  }
+
+  /** Starts the shimmer animation with animation listener. */
+  public void startShimmer(Animator.AnimatorListener listener) {
     if (mValueAnimator != null && !isShimmerStarted() && getCallback() != null) {
+      if (listener != null) {
+        mValueAnimator.addListener(listener);
+      }
       mValueAnimator.start();
     }
   }
diff --git a/shimmer/src/main/java/com/facebook/shimmer/ShimmerFrameLayout.java b/shimmer/src/main/java/com/facebook/shimmer/ShimmerFrameLayout.java
index bd6f160..6e1b9f5 100644
--- a/shimmer/src/main/java/com/facebook/shimmer/ShimmerFrameLayout.java
+++ b/shimmer/src/main/java/com/facebook/shimmer/ShimmerFrameLayout.java
@@ -8,6 +8,7 @@
 
 package com.facebook.shimmer;
 
+import android.animation.Animator;
 import android.annotation.TargetApi;
 import android.content.Context;
 import android.content.res.TypedArray;
@@ -94,7 +95,12 @@ public ShimmerFrameLayout setShimmer(@Nullable Shimmer shimmer) {
 
   /** Starts the shimmer animation. */
   public void startShimmer() {
-    mShimmerDrawable.startShimmer();
+    startShimmer(null);
+  }
+
+  /** Starts the shimmer animation with animation listener. */
+  public void startShimmer(Animator.AnimatorListener listener) {
+    mShimmerDrawable.startShimmer(listener);
   }
 
   /** Stops the shimmer animation. */