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native decay animation

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Summary: Add support for `useNativeDriver: true` to `Animated.decay`. Add example in Native Animated Example UIExplorer app.

Reviewed By: ritzau

Differential Revision: D3690127

fbshipit-source-id: eaa5e61293ed174191cec72255ea2677dbaa1757
This commit is contained in:
Felix Oghina
2016-08-19 07:06:29 -07:00
committed by Facebook Github Bot 5
parent 37ab1c8844
commit 2a7f4be8f8
5 changed files with 161 additions and 3 deletions
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58
ReactAndroid/src/test/java/com/facebook/react/animated/NativeAnimatedNodeTraversalTest.java
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@@ -17,7 +17,6 @@ import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.uimanager.ReactStylesDiffMap;
import com.facebook.react.uimanager.UIImplementation;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
@@ -259,6 +258,63 @@ public class NativeAnimatedNodeTraversalTest {
verifyNoMoreInteractions(mUIImplementationMock);
}
@Test
public void testDecayAnimation() {
createSimpleAnimatedViewWithOpacity(1000, 0d);
Callback animationCallback = mock(Callback.class);
mNativeAnimatedNodesManager.startAnimatingNode(
1,
1,
JavaOnlyMap.of(
"type",
"decay",
"velocity",
0.5d,
"deceleration",
0.998d),
animationCallback);
ArgumentCaptor<ReactStylesDiffMap> stylesCaptor =
ArgumentCaptor.forClass(ReactStylesDiffMap.class);
reset(mUIImplementationMock);
mNativeAnimatedNodesManager.runUpdates(nextFrameTime());
verify(mUIImplementationMock, atMost(1))
.synchronouslyUpdateViewOnUIThread(eq(1000), stylesCaptor.capture());
double previousValue = stylesCaptor.getValue().getDouble("opacity", Double.NaN);
double previousDiff = Double.POSITIVE_INFINITY;
/* run 3 secs of animation */
for (int i = 0; i < 3 * 60; i++) {
reset(mUIImplementationMock);
mNativeAnimatedNodesManager.runUpdates(nextFrameTime());
verify(mUIImplementationMock, atMost(1))
.synchronouslyUpdateViewOnUIThread(eq(1000), stylesCaptor.capture());
double currentValue = stylesCaptor.getValue().getDouble("opacity", Double.NaN);
double currentDiff = currentValue - previousValue;
// verify monotonicity
// greater *or equal* because the animation stops during these 3 seconds
assertThat(currentValue).as("on frame " + i).isGreaterThanOrEqualTo(previousValue);
// verify decay
if (i > 3) {
// i > 3 because that's how long it takes to settle previousDiff
if (i % 3 != 0) {
// i % 3 != 0 because every 3 frames we go a tiny
// bit faster, because frame length is 16.(6)ms
assertThat(currentDiff).as("on frame " + i).isLessThanOrEqualTo(previousDiff);
} else {
assertThat(currentDiff).as("on frame " + i).isGreaterThanOrEqualTo(previousDiff);
}
}
previousValue = currentValue;
previousDiff = currentDiff;
}
// should be done in 3s
reset(mUIImplementationMock);
mNativeAnimatedNodesManager.runUpdates(nextFrameTime());
verifyNoMoreInteractions(mUIImplementationMock);
}
@Test
public void testAnimationCallbackFinish() {
createSimpleAnimatedViewWithOpacity(1000, 0d);