2f7f14f08c
-Added FloatingAppBarScrollingViewBehavior for search bar. It can be scolling, transparent and overlapped the scrolling child view. -Exchanged the position of NestedScrollView and AppBarLayout in settings_homepage_container.xml. -Set the app bar height. Change-Id: I6ef4c9001a1f893292fcbc825a0a9f2069b7286b Fixes: 118886724 Test: robotest
62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
/*
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* Copyright (C) 2018 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.settings.widget;
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import android.content.Context;
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import android.graphics.Color;
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import android.util.AttributeSet;
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import android.view.View;
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import androidx.annotation.VisibleForTesting;
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import androidx.coordinatorlayout.widget.CoordinatorLayout;
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import com.google.android.material.appbar.AppBarLayout;
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/**
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* This scrolling view behavior will set the background of the {@link AppBarLayout} as
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* transparent and without the elevation. Also make header overlapped the scrolling child view.
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*/
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public class FloatingAppBarScrollingViewBehavior extends AppBarLayout.ScrollingViewBehavior {
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private boolean initialized;
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public FloatingAppBarScrollingViewBehavior(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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public boolean onDependentViewChanged(CoordinatorLayout parent, View child, View dependency) {
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boolean changed = super.onDependentViewChanged(parent, child, dependency);
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if (!initialized && dependency instanceof AppBarLayout) {
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initialized = true;
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AppBarLayout appBarLayout = (AppBarLayout) dependency;
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setAppBarLayoutTransparent(appBarLayout);
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}
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return changed;
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}
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@VisibleForTesting
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void setAppBarLayoutTransparent(AppBarLayout appBarLayout) {
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appBarLayout.setBackgroundColor(Color.TRANSPARENT);
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appBarLayout.setTargetElevation(0);
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}
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@Override
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protected boolean shouldHeaderOverlapScrollingChild() {
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return true;
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}
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}
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