mirror of
https://github.com/LawnchairLauncher/lawnchair.git
synced 2026-03-03 01:16:49 +00:00
1c89ee8cb1
The depth of ALL_APPS is set to 2 because in the legacy transitions the swap happens at 0.5. The depth controller bounds the value to 1, so for the second half of the animation the value is always 1. Because of this, in order to have the right timing during the blur and scale we cap the interpolator to 0.5. Workspace fade is also removed, per spec. Bug: 232418544 Test: manual Change-Id: Idfd92c8b2b571ad911a0a5a59d39c5911e4131e4
183 lines
8.6 KiB
Java
183 lines
8.6 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.touch;
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import static com.android.launcher3.LauncherState.ALL_APPS;
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import static com.android.launcher3.LauncherState.NORMAL;
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import static com.android.launcher3.anim.Interpolators.DECELERATED_EASE;
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import static com.android.launcher3.anim.Interpolators.EMPHASIZED_ACCELERATE;
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import static com.android.launcher3.anim.Interpolators.EMPHASIZED_DECELERATE;
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import static com.android.launcher3.anim.Interpolators.FINAL_FRAME;
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import static com.android.launcher3.anim.Interpolators.INSTANT;
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import static com.android.launcher3.anim.Interpolators.LINEAR;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_ALL_APPS_FADE;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_DEPTH;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_HOTSEAT_FADE;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_HOTSEAT_SCALE;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_HOTSEAT_TRANSLATE;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_SCRIM_FADE;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_VERTICAL_PROGRESS;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_FADE;
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import static com.android.launcher3.states.StateAnimationConfig.ANIM_WORKSPACE_SCALE;
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import android.view.MotionEvent;
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import android.view.animation.Interpolator;
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import com.android.launcher3.AbstractFloatingView;
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import com.android.launcher3.Launcher;
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import com.android.launcher3.LauncherState;
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import com.android.launcher3.anim.Interpolators;
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import com.android.launcher3.states.StateAnimationConfig;
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/**
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* TouchController to switch between NORMAL and ALL_APPS state.
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*/
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public class AllAppsSwipeController extends AbstractStateChangeTouchController {
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private static final float ALLAPPS_STAGGERED_FADE_THRESHOLD = 0.5f;
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// Custom timing for NORMAL -> ALL_APPS on phones only.
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private static final float WORKSPACE_MOTION_START = 0.1667f;
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private static final float ALL_APPS_STATE_TRANSITION = 0.305f;
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private static final float ALL_APPS_FADE_END = 0.4717f;
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private static final float ALL_APPS_FULL_DEPTH_PROGRESS = 0.5f;
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public static final Interpolator ALLAPPS_STAGGERED_FADE_EARLY_RESPONDER =
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Interpolators.clampToProgress(LINEAR, 0, ALLAPPS_STAGGERED_FADE_THRESHOLD);
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public static final Interpolator ALLAPPS_STAGGERED_FADE_LATE_RESPONDER =
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Interpolators.clampToProgress(LINEAR, ALLAPPS_STAGGERED_FADE_THRESHOLD, 1f);
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// Custom interpolators for NORMAL -> ALL_APPS on phones only.
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// The blur to All Apps is set to be complete when the interpolator is at 0.5.
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public static final Interpolator BLUR =
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Interpolators.clampToProgress(
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Interpolators.mapToProgress(
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EMPHASIZED_DECELERATE, 0f, ALL_APPS_FULL_DEPTH_PROGRESS),
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WORKSPACE_MOTION_START, ALL_APPS_STATE_TRANSITION);
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public static final Interpolator WORKSPACE_FADE =
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Interpolators.clampToProgress(FINAL_FRAME, 0f, ALL_APPS_STATE_TRANSITION);
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public static final Interpolator WORKSPACE_SCALE =
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Interpolators.clampToProgress(
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EMPHASIZED_DECELERATE, WORKSPACE_MOTION_START, ALL_APPS_STATE_TRANSITION);
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public static final Interpolator HOTSEAT_FADE = WORKSPACE_FADE;
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public static final Interpolator HOTSEAT_SCALE = HOTSEAT_FADE;
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public static final Interpolator HOTSEAT_TRANSLATE =
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Interpolators.clampToProgress(
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EMPHASIZED_ACCELERATE, WORKSPACE_MOTION_START, ALL_APPS_STATE_TRANSITION);
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public static final Interpolator SCRIM_FADE =
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Interpolators.clampToProgress(
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Interpolators.mapToProgress(LINEAR, 0f, 0.8f),
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WORKSPACE_MOTION_START, ALL_APPS_STATE_TRANSITION);
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public static final Interpolator ALL_APPS_FADE =
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Interpolators.clampToProgress(
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Interpolators.mapToProgress(DECELERATED_EASE, 0.2f, 1.0f),
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ALL_APPS_STATE_TRANSITION, ALL_APPS_FADE_END);
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public static final Interpolator ALL_APPS_VERTICAL_PROGRESS =
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Interpolators.clampToProgress(
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Interpolators.mapToProgress(EMPHASIZED_DECELERATE, 0.4f, 1.0f),
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ALL_APPS_STATE_TRANSITION, 1.0f);
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public AllAppsSwipeController(Launcher l) {
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super(l, SingleAxisSwipeDetector.VERTICAL);
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}
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@Override
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protected boolean canInterceptTouch(MotionEvent ev) {
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if (mCurrentAnimation != null) {
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// If we are already animating from a previous state, we can intercept.
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return true;
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}
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if (AbstractFloatingView.getTopOpenView(mLauncher) != null) {
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return false;
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}
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if (!mLauncher.isInState(NORMAL) && !mLauncher.isInState(ALL_APPS)) {
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// Don't listen for the swipe gesture if we are already in some other state.
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return false;
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}
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if (mLauncher.isInState(ALL_APPS) && !mLauncher.getAppsView().shouldContainerScroll(ev)) {
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return false;
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}
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return true;
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}
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@Override
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protected LauncherState getTargetState(LauncherState fromState, boolean isDragTowardPositive) {
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if (fromState == NORMAL && isDragTowardPositive) {
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return ALL_APPS;
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} else if (fromState == ALL_APPS && !isDragTowardPositive) {
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return NORMAL;
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}
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return fromState;
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}
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@Override
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protected float initCurrentAnimation() {
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float range = getShiftRange();
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StateAnimationConfig config = getConfigForStates(mFromState, mToState);
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config.duration = (long) (2 * range);
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mCurrentAnimation = mLauncher.getStateManager()
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.createAnimationToNewWorkspace(mToState, config);
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float startVerticalShift = mFromState.getVerticalProgress(mLauncher) * range;
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float endVerticalShift = mToState.getVerticalProgress(mLauncher) * range;
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float totalShift = endVerticalShift - startVerticalShift;
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return 1 / totalShift;
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}
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@Override
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protected StateAnimationConfig getConfigForStates(LauncherState fromState,
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LauncherState toState) {
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StateAnimationConfig config = super.getConfigForStates(fromState, toState);
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if (fromState == NORMAL && toState == ALL_APPS) {
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applyNormalToAllAppsAnimConfig(mLauncher, config);
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} else if (fromState == ALL_APPS && toState == NORMAL) {
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applyAllAppsToNormalConfig(mLauncher, config);
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}
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return config;
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}
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/**
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* Applies Animation config values for transition from all apps to home
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*/
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public static void applyAllAppsToNormalConfig(Launcher launcher, StateAnimationConfig config) {
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boolean isTablet = launcher.getDeviceProfile().isTablet;
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config.setInterpolator(ANIM_SCRIM_FADE, ALLAPPS_STAGGERED_FADE_LATE_RESPONDER);
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config.setInterpolator(ANIM_ALL_APPS_FADE, isTablet
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? FINAL_FRAME : ALLAPPS_STAGGERED_FADE_EARLY_RESPONDER);
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}
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/**
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* Applies Animation config values for transition from home to all apps
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*/
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public static void applyNormalToAllAppsAnimConfig(Launcher launcher,
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StateAnimationConfig config) {
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if (launcher.getDeviceProfile().isTablet) {
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config.setInterpolator(ANIM_SCRIM_FADE, ALLAPPS_STAGGERED_FADE_EARLY_RESPONDER);
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config.setInterpolator(ANIM_ALL_APPS_FADE, INSTANT);
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} else {
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config.setInterpolator(ANIM_DEPTH, BLUR);
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config.setInterpolator(ANIM_WORKSPACE_FADE, WORKSPACE_FADE);
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config.setInterpolator(ANIM_WORKSPACE_SCALE, WORKSPACE_SCALE);
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config.setInterpolator(ANIM_HOTSEAT_FADE, HOTSEAT_FADE);
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config.setInterpolator(ANIM_HOTSEAT_SCALE, HOTSEAT_SCALE);
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config.setInterpolator(ANIM_HOTSEAT_TRANSLATE, HOTSEAT_TRANSLATE);
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config.setInterpolator(ANIM_SCRIM_FADE, SCRIM_FADE);
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config.setInterpolator(ANIM_ALL_APPS_FADE, ALL_APPS_FADE);
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config.setInterpolator(ANIM_VERTICAL_PROGRESS, ALL_APPS_VERTICAL_PROGRESS);
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}
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}
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}
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