2 files changed, 28 insertions, 8 deletions
diff --git a/libs/hwui/Animator.cpp b/libs/hwui/Animator.cpp
index 83eedfb..b80f7e9 100644
--- a/libs/hwui/Animator.cpp
+++ b/libs/hwui/Animator.cpp
@@ -37,7 +37,10 @@ BaseRenderNodeAnimator::BaseRenderNodeAnimator(float finalValue)
         , mInterpolator(0)
         , mPlayState(NEEDS_START)
         , mStartTime(0)
-        , mDuration(300){
+        , mDelayUntil(0)
+        , mDuration(300)
+        , mStartDelay(0) {
+
 }
 
 BaseRenderNodeAnimator::~BaseRenderNodeAnimator() {
@@ -49,10 +52,6 @@ void BaseRenderNodeAnimator::setInterpolator(Interpolator* interpolator) {
     mInterpolator = interpolator;
 }
 
-void BaseRenderNodeAnimator::setDuration(nsecs_t duration) {
-    mDuration = duration;
-}
-
 void BaseRenderNodeAnimator::setStartValue(float value) {
     LOG_ALWAYS_FATAL_IF(mPlayState != NEEDS_START,
             "Cannot set the start value after the animator has started!");
@@ -68,7 +67,24 @@ void BaseRenderNodeAnimator::setupStartValueIfNecessary(RenderNode* target, Tree
     }
 }
 
+void BaseRenderNodeAnimator::setDuration(nsecs_t duration) {
+    mDuration = duration;
+}
+
+void BaseRenderNodeAnimator::setStartDelay(nsecs_t startDelay) {
+    mStartDelay = startDelay;
+}
+
 bool BaseRenderNodeAnimator::animate(RenderNode* target, TreeInfo& info) {
+    if (mPlayState == PENDING && mStartDelay > 0 && mDelayUntil == 0) {
+        mDelayUntil = info.frameTimeMs + mStartDelay;
+        return false;
+    }
+
+    if (mDelayUntil > info.frameTimeMs) {
+        return false;
+    }
+
     if (mPlayState == PENDING) {
         mPlayState = RUNNING;
         mStartTime = info.frameTimeMs;
diff --git a/libs/hwui/Animator.h b/libs/hwui/Animator.h
index fe88cbf..7741617 100644
--- a/libs/hwui/Animator.h
+++ b/libs/hwui/Animator.h
@@ -44,6 +44,8 @@ public:
     ANDROID_API void setInterpolator(Interpolator* interpolator);
     ANDROID_API void setDuration(nsecs_t durationInMs);
     ANDROID_API nsecs_t duration() { return mDuration; }
+    ANDROID_API void setStartDelay(nsecs_t startDelayInMs);
+    ANDROID_API nsecs_t startDelay() { return mStartDelay; }
     ANDROID_API void setListener(AnimationListener* listener) {
         mListener = listener;
     }
@@ -82,10 +84,12 @@ private:
 
     Interpolator* mInterpolator;
     PlayState mPlayState;
-    long mStartTime;
-    long mDuration;
+    nsecs_t mStartTime;
+    nsecs_t mDelayUntil;
+    nsecs_t mDuration;
+    nsecs_t mStartDelay;
 
-   sp<AnimationListener> mListener;
+    sp<AnimationListener> mListener;
 };
 
 class RenderPropertyAnimator : public BaseRenderNodeAnimator {