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Add spring to shelf for home <-> overview <-> all apps state transitions.

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Added new SpringObjectAnimator class that wraps an ObjectAnimator so the
Object can be controlled via the Animator or via a SpringAnimation. It extends
ValueAnimator so that it remains compatible with AnimatorPlaybackController.

Code is behind feature flag toggle QUICKSTEP_SPRINGS.

Bug: 111698021
Change-Id: I1b20179ede37e89a6a6bb2a45d407cc74c99ac4e
This commit is contained in:
Jon Miranda
2018-12-13 12:34:52 -08:00
parent 1c8db791c8
commit e018711aac
8 changed files with 422 additions and 25 deletions
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6
src/com/android/launcher3/touch/AbstractStateChangeTouchController.java
View File

@@ -24,6 +24,7 @@ import static com.android.launcher3.LauncherStateManager.ATOMIC_COMPONENT;
import static com.android.launcher3.LauncherStateManager.NON_ATOMIC_COMPONENT;
import static com.android.launcher3.Utilities.SINGLE_FRAME_MS;
import static com.android.launcher3.anim.Interpolators.scrollInterpolatorForVelocity;
import static com.android.launcher3.config.FeatureFlags.QUICKSTEP_SPRINGS;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
@@ -45,6 +46,7 @@ import com.android.launcher3.anim.AnimationSuccessListener;
import com.android.launcher3.anim.AnimatorPlaybackController;
import com.android.launcher3.anim.AnimatorSetBuilder;
import com.android.launcher3.compat.AccessibilityManagerCompat;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.userevent.nano.LauncherLogProto;
import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Direction;
import com.android.launcher3.userevent.nano.LauncherLogProto.Action.Touch;
@@ -428,8 +430,8 @@ public abstract class AbstractStateChangeTouchController
maybeUpdateAtomicAnim(mFromState, targetState, targetState == mToState ? 1f : 0f);
updateSwipeCompleteAnimation(anim, Math.max(duration, getRemainingAtomicDuration()),
targetState, velocity, fling);
mCurrentAnimation.dispatchOnStart();
if (fling && targetState == LauncherState.ALL_APPS) {
mCurrentAnimation.dispatchOnStartWithVelocity(endProgress, velocity);
if (fling && targetState == LauncherState.ALL_APPS && !QUICKSTEP_SPRINGS.get()) {
mLauncher.getAppsView().addSpringFromFlingUpdateListener(anim, velocity);
}
anim.start();