Add a new CollapsingCoordinatorLayout in CollapsingToolbar (1db6b977) · Commits · e / os / android_frameworks_base

packages/SettingsLib/CollapsingToolbarBaseActivity/res/layout-v31/collapsing_toolbar_base_layout.xml

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		<?xml version="1.0" encoding="utf-8"?>
		<!--
		~ Copyright (C) 2021 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.
		Copyright (C) 2021 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.
		-->
		<androidx.coordinatorlayout.widget.CoordinatorLayout
		xmlns:android="http://schemas.android.com/apk/res/android"
		xmlns:app="http://schemas.android.com/apk/res-auto"
		android:id="@+id/content_parent"
		android:layout_width="match_parent"
		android:layout_height="match_parent"
		android:fitsSystemWindows="true">

		<com.google.android.material.appbar.AppBarLayout
		android:id="@+id/app_bar"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:fitsSystemWindows="true"
		android:outlineAmbientShadowColor="@android:color/transparent"
		android:outlineSpotShadowColor="@android:color/transparent"
		android:background="?android:attr/colorPrimary"
		android:theme="@style/Theme.CollapsingToolbar.Settings">

		<com.google.android.material.appbar.CollapsingToolbarLayout
		android:id="@+id/collapsing_toolbar"
		android:layout_width="match_parent"
		android:layout_height="@dimen/settingslib_toolbar_layout_height"
		android:clipToPadding="false"
		app:forceApplySystemWindowInsetTop="true"
		app:extraMultilineHeightEnabled="true"
		app:contentScrim="@color/settingslib_colorSurfaceHeader"
		app:maxLines="3"
		app:layout_scrollFlags="scroll\|exitUntilCollapsed\|snap"
		app:scrimAnimationDuration="50"
		app:scrimVisibleHeightTrigger="@dimen/settingslib_scrim_visible_height_trigger"
		app:statusBarScrim="@null"
		app:titleCollapseMode="fade"
		app:collapsedTitleTextAppearance="@style/CollapsingToolbarTitle.Collapsed"
		app:expandedTitleTextAppearance="@style/CollapsingToolbarTitle.Expanded"
		app:expandedTitleMarginStart="@dimen/expanded_title_margin_start"
		app:expandedTitleMarginEnd="@dimen/expanded_title_margin_end"
		app:toolbarId="@id/action_bar">

		<Toolbar
		android:id="@+id/action_bar"
		android:layout_width="match_parent"
		android:layout_height="?attr/actionBarSize"
		android:theme="?android:attr/actionBarTheme"
		android:transitionName="shared_element_view"
		app:layout_collapseMode="pin"/>

		</com.google.android.material.appbar.CollapsingToolbarLayout>
		</com.google.android.material.appbar.AppBarLayout>

		<FrameLayout
		android:id="@+id/content_frame"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
		<include layout="@layout/collapsing_toolbar_content_layout"/>
		</androidx.coordinatorlayout.widget.CoordinatorLayout>
		No newline at end of file

packages/SettingsLib/CollapsingToolbarBaseActivity/res/layout-v31/collapsing_toolbar_content_layout.xml

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		<?xml version="1.0" encoding="utf-8"?>
		<!--
		Copyright (C) 2022 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.
		-->
		<merge
		xmlns:android="http://schemas.android.com/apk/res/android"
		xmlns:app="http://schemas.android.com/apk/res-auto">

		<com.google.android.material.appbar.AppBarLayout
		android:id="@+id/app_bar"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:fitsSystemWindows="true"
		android:outlineAmbientShadowColor="@android:color/transparent"
		android:outlineSpotShadowColor="@android:color/transparent"
		android:background="?android:attr/colorPrimary"
		android:theme="@style/Theme.CollapsingToolbar.Settings">

		<com.google.android.material.appbar.CollapsingToolbarLayout
		android:id="@+id/collapsing_toolbar"
		android:layout_width="match_parent"
		android:layout_height="@dimen/settingslib_toolbar_layout_height"
		android:clipToPadding="false"
		app:forceApplySystemWindowInsetTop="true"
		app:extraMultilineHeightEnabled="true"
		app:contentScrim="@color/settingslib_colorSurfaceHeader"
		app:maxLines="3"
		app:layout_scrollFlags="scroll\|exitUntilCollapsed\|snap"
		app:scrimAnimationDuration="50"
		app:scrimVisibleHeightTrigger="@dimen/settingslib_scrim_visible_height_trigger"
		app:statusBarScrim="@null"
		app:titleCollapseMode="fade"
		app:collapsedTitleTextAppearance="@style/CollapsingToolbarTitle.Collapsed"
		app:expandedTitleTextAppearance="@style/CollapsingToolbarTitle.Expanded"
		app:expandedTitleMarginStart="@dimen/expanded_title_margin_start"
		app:expandedTitleMarginEnd="@dimen/expanded_title_margin_end"
		app:toolbarId="@id/action_bar">

		<Toolbar
		android:id="@+id/action_bar"
		android:layout_width="match_parent"
		android:layout_height="?attr/actionBarSize"
		android:theme="?android:attr/actionBarTheme"
		android:transitionName="shared_element_view"
		app:layout_collapseMode="pin"/>

		</com.google.android.material.appbar.CollapsingToolbarLayout>
		</com.google.android.material.appbar.AppBarLayout>

		<FrameLayout
		android:id="@+id/content_frame"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
		</merge>
		No newline at end of file

packages/SettingsLib/CollapsingToolbarBaseActivity/res/layout-v31/support_toolbar.xml

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		<?xml version="1.0" encoding="utf-8"?>
		<!--
		Copyright (C) 2022 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.
		-->
		<androidx.appcompat.widget.Toolbar
		xmlns:android="http://schemas.android.com/apk/res/android"
		xmlns:app="http://schemas.android.com/apk/res-auto"
		android:id="@+id/support_action_bar"
		android:layout_width="match_parent"
		android:layout_height="?attr/actionBarSize"
		android:theme="?android:attr/actionBarTheme"
		android:transitionName="shared_element_view"
		app:layout_collapseMode="pin" />
		No newline at end of file

packages/SettingsLib/CollapsingToolbarBaseActivity/res/values-v31/attrs.xml

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		<?xml version="1.0" encoding="utf-8"?>
		<!--
		Copyright (C) 2022 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.
		-->
		<resources>
		<declare-styleable name="CollapsingCoordinatorLayout">
		<!-- assign a title of collapsing toolbar title. -->
		<attr name="collapsing_toolbar_title" format="string" />
		<attr name="content_frame_height_match_parent" format="boolean" />
		</declare-styleable>
		</resources>
		No newline at end of file

packages/SettingsLib/CollapsingToolbarBaseActivity/src/com/android/settingslib/collapsingtoolbar/widget/CollapsingCoordinatorLayout.java

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		/*
		* Copyright (C) 2022 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.
		*/

		package com.android.settingslib.collapsingtoolbar.widget;

		import android.app.ActionBar;
		import android.app.Activity;
		import android.content.Context;
		import android.content.res.TypedArray;
		import android.text.TextUtils;
		import android.util.AttributeSet;
		import android.util.Log;
		import android.view.View;
		import android.view.ViewGroup;
		import android.widget.Toolbar;

		import androidx.annotation.NonNull;
		import androidx.annotation.Nullable;
		import androidx.appcompat.app.AppCompatActivity;
		import androidx.coordinatorlayout.widget.CoordinatorLayout;

		import com.android.settingslib.collapsingtoolbar.R;

		import com.google.android.material.appbar.AppBarLayout;
		import com.google.android.material.appbar.CollapsingToolbarLayout;

		/**
		* This widget is wrapping the collapsing toolbar and can be directly used by the
		* {@link AppCompatActivity}.
		*/
		public class CollapsingCoordinatorLayout extends CoordinatorLayout {
		private static final String TAG = "CollapsingCoordinatorLayout";
		private static final float TOOLBAR_LINE_SPACING_MULTIPLIER = 1.1f;

		private CharSequence mToolbarTitle;
		private boolean mIsMatchParentHeight;
		private CollapsingToolbarLayout mCollapsingToolbarLayout;
		private AppBarLayout mAppBarLayout;

		public CollapsingCoordinatorLayout(@NonNull Context context) {
		this(context, /* attrs= */ null);
		}

		public CollapsingCoordinatorLayout(@NonNull Context context, @Nullable AttributeSet attrs) {
		this(context, attrs, /* defStyleAttr= */ 0);
		}

		public CollapsingCoordinatorLayout(@NonNull Context context, @Nullable AttributeSet attrs,
		int defStyleAttr) {
		super(context, attrs, defStyleAttr);
		mIsMatchParentHeight = false;
		if (attrs != null) {
		final TypedArray a = context.obtainStyledAttributes(attrs,
		R.styleable.CollapsingCoordinatorLayout);
		mToolbarTitle = a.getText(
		R.styleable.CollapsingCoordinatorLayout_collapsing_toolbar_title);
		mIsMatchParentHeight = a.getBoolean(
		R.styleable.CollapsingCoordinatorLayout_content_frame_height_match_parent,
		false);
		a.recycle();
		}
		init();
		}

		@Override
		public void addView(View child, int index, ViewGroup.LayoutParams params) {
		if (child.getId() == R.id.content_frame && mIsMatchParentHeight) {
		// User want to change the height of content_frame view as match_parent.
		params.height = ViewGroup.LayoutParams.MATCH_PARENT;
		}

		final ViewGroup contentView = findViewById(R.id.content_frame);
		if (contentView != null && isContentFrameChild(child.getId())) {
		contentView.addView(child, index, params);
		} else {
		super.addView(child, index, params);
		}
		}

		private boolean isContentFrameChild(int id) {
		if (id == R.id.app_bar \|\| id == R.id.content_frame) {
		return false;
		}
		return true;
		}

		private void init() {
		inflate(getContext(), R.layout.collapsing_toolbar_content_layout, this);
		mCollapsingToolbarLayout = findViewById(R.id.collapsing_toolbar);
		mAppBarLayout = findViewById(R.id.app_bar);
		if (mCollapsingToolbarLayout != null) {
		mCollapsingToolbarLayout.setLineSpacingMultiplier(TOOLBAR_LINE_SPACING_MULTIPLIER);
		if (!TextUtils.isEmpty(mToolbarTitle)) {
		mCollapsingToolbarLayout.setTitle(mToolbarTitle);
		}
		}
		disableCollapsingToolbarLayoutScrollingBehavior();
		}

		/**
		* Initialize some attributes of {@link ActionBar}.
		*
		* @param activity The host activity using the CollapsingCoordinatorLayout.
		*/
		public void initSettingsStyleToolBar(Activity activity) {
		if (activity == null) {
		Log.w(TAG, "initSettingsStyleToolBar: activity is null");
		return;
		}

		if (activity instanceof AppCompatActivity) {
		initSupportToolbar((AppCompatActivity) activity);
		return;
		}

		final Toolbar toolbar = findViewById(R.id.action_bar);
		activity.setActionBar(toolbar);

		// Enable title and home button by default
		final ActionBar actionBar = activity.getActionBar();
		if (actionBar != null) {
		actionBar.setDisplayHomeAsUpEnabled(true);
		actionBar.setHomeButtonEnabled(true);
		actionBar.setDisplayShowTitleEnabled(true);
		}
		}

		/**
		* Initialize some attributes of {@link ActionBar} and assign the title of collapsing toolbar.
		*
		* @param activity The host activity using the CollapsingCoordinatorLayout.
		* @param title The new title of collapsing toolbar.
		*/
		public void initSettingsStyleToolBar(Activity activity, CharSequence title) {
		if (activity == null) {
		Log.w(TAG, "initSettingsStyleToolBar: activity is null");
		return;
		}
		initSettingsStyleToolBar(activity);
		if (!TextUtils.isEmpty(title) && mCollapsingToolbarLayout != null) {
		mToolbarTitle = title;
		mCollapsingToolbarLayout.setTitle(mToolbarTitle);
		}
		}

		/**
		* Returns an instance of collapsing toolbar.
		*/
		public CollapsingToolbarLayout getCollapsingToolbarLayout() {
		return mCollapsingToolbarLayout;
		}

		/**
		* Return an instance of app bar.
		*/
		public AppBarLayout getAppBarLayout() {
		return mAppBarLayout;
		}

		private void disableCollapsingToolbarLayoutScrollingBehavior() {
		if (mAppBarLayout == null) {
		return;
		}
		final CoordinatorLayout.LayoutParams params =
		(CoordinatorLayout.LayoutParams) mAppBarLayout.getLayoutParams();
		final AppBarLayout.Behavior behavior = new AppBarLayout.Behavior();
		behavior.setDragCallback(
		new AppBarLayout.Behavior.DragCallback() {
		@Override
		public boolean canDrag(@NonNull AppBarLayout appBarLayout) {
		return false;
		}
		});
		params.setBehavior(behavior);
		}

		// This API is for supportActionBar of {@link AppCompatActivity}
		private void initSupportToolbar(AppCompatActivity appCompatActivity) {
		if (mCollapsingToolbarLayout == null) {
		return;
		}

		mCollapsingToolbarLayout.removeAllViews();
		inflate(getContext(), R.layout.support_toolbar, mCollapsingToolbarLayout);
		final androidx.appcompat.widget.Toolbar supportToolbar =
		mCollapsingToolbarLayout.findViewById(R.id.support_action_bar);

		appCompatActivity.setSupportActionBar(supportToolbar);

		// Enable title and home button by default
		final androidx.appcompat.app.ActionBar actionBar = appCompatActivity.getSupportActionBar();
		if (actionBar != null) {
		actionBar.setDisplayHomeAsUpEnabled(true);
		actionBar.setHomeButtonEnabled(true);
		actionBar.setDisplayShowTitleEnabled(true);
		}
		}
		}