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Animate contextual cards in after loading.

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After initial loading, all cards slide down per material guideline.

Test: visual
Change-Id: I115e086a43fc9a2d4b4da3acad20be689fdee09d
This commit is contained in:
Fan Zhang
2018-10-26 11:34:00 -07:00
parent 19e640701e
commit 444b5107e3
4 changed files with 76 additions and 1 deletions
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42
res/anim/item_animation_fall_down.xml Normal file
View File

@@ -0,0 +1,42 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2018 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:duration="500">
<!-- Move up the view by 20% of it’s own height, and let it fall down to its final position -->
<translate
android:fromYDelta="-20%"
android:toYDelta="0"
android:interpolator="@android:anim/decelerate_interpolator"/>
<!-- Fade in: alpha from 0 to 100% -->
<alpha
android:fromAlpha="0"
android:toAlpha="1"
android:interpolator="@android:anim/decelerate_interpolator"/>
<!-- Shrink from 105% to 100% -->
<scale
android:fromXScale="105%"
android:fromYScale="105%"
android:toXScale="100%"
android:toYScale="100%"
android:pivotX="50%"
android:pivotY="50%"
android:interpolator="@android:anim/decelerate_interpolator"/>
</set>

22
res/anim/layout_animation_fall_down.xml Normal file
View File

@@ -0,0 +1,22 @@
<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2018 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<layoutAnimation
xmlns:android="http://schemas.android.com/apk/res/android"
android:animation="@anim/item_animation_fall_down"
android:delay="15%"
android:animationOrder="normal"/>

3
res/layout/settings_homepage.xml
View File

@@ -24,7 +24,8 @@
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/card_container"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
android:layout_height="match_parent"
android:layoutAnimation="@anim/layout_animation_fall_down"/>
<RelativeLayout
android:id="@+id/suggestion_footer"

10
src/com/android/settings/homepage/contextualcards/ContextualCardsAdapter.java
View File

@@ -43,6 +43,8 @@ public class ContextualCardsAdapter extends RecyclerView.Adapter<RecyclerView.Vi
private final List<ContextualCard> mContextualCards;
private final LifecycleOwner mLifecycleOwner;
private RecyclerView mRecyclerView;
public ContextualCardsAdapter(Context context, LifecycleOwner lifecycleOwner,
ContextualCardManager manager) {
mContext = context;
@@ -89,6 +91,7 @@ public class ContextualCardsAdapter extends RecyclerView.Adapter<RecyclerView.Vi
@Override
public void onAttachedToRecyclerView(RecyclerView recyclerView) {
super.onAttachedToRecyclerView(recyclerView);
mRecyclerView = recyclerView;
final RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager();
if (layoutManager instanceof GridLayoutManager) {
final GridLayoutManager gridLayoutManager = (GridLayoutManager) layoutManager;
@@ -109,6 +112,8 @@ public class ContextualCardsAdapter extends RecyclerView.Adapter<RecyclerView.Vi
@Override
public void onContextualCardUpdated(Map<Integer, List<ContextualCard>> cards) {
final List<ContextualCard> contextualCards = cards.get(ContextualCard.CardType.DEFAULT);
final boolean previouslyEmpty = mContextualCards.isEmpty();
final boolean nowEmpty = contextualCards == null || contextualCards.isEmpty();
if (contextualCards == null) {
mContextualCards.clear();
notifyDataSetChanged();
@@ -119,5 +124,10 @@ public class ContextualCardsAdapter extends RecyclerView.Adapter<RecyclerView.Vi
mContextualCards.addAll(contextualCards);
diffResult.dispatchUpdatesTo(this);
}
if (mRecyclerView != null && previouslyEmpty && !nowEmpty) {
// Adding items to empty list, should animate.
mRecyclerView.scheduleLayoutAnimation();
}
}
}