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Commit e1f6cb43 authored by Hai Zhang's avatar Hai Zhang
Browse files

Add CollapsingToolbarBaseFragment for implementing collapsing toolbar. 

In apps following the pattern to do all the things in fragments, and
possibly loading different fragments for different form factors, their
activity would need to remain a stub and can't contain phone-only
layout, making CollapsingToolbarBaseActivity unsuitable for them. So
add a CollapsingToolbarBaseFragment for integrating the same
functionality in fragments.

The layout files are also moved to be under the same name, but
different content depending on the platform version, to simplify the
logic loading them.

Bug: 177638625
Test: manual
Change-Id: Ie9e2a147dd4bd2c1ee3924b1afc4c10a6f735e59
parent 4993be52

packages/SettingsLib/CollapsingToolbarBaseActivity/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -23,5 +23,6 @@ android_library { 
    apex_available: [

        "//apex_available:platform",

        "com.android.cellbroadcast",

        "com.android.permission",

    ],

}

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

0 → 100644
+60 −0
Original line number Diff line number Diff line 
<?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.

  -->

<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:transitionGroup="true">



    <com.google.android.material.appbar.AppBarLayout

        android:id="@+id/app_bar"

        android:layout_width="match_parent"

        android:layout_height="180dp"

        android:theme="@style/Theme.CollapsingToolbar.Settings">



        <com.android.settingslib.collapsingtoolbar.AdjustableToolbarLayout

            android:id="@+id/collapsing_toolbar"

            android:background="?android:attr/colorPrimary"

            android:layout_width="match_parent"

            android:layout_height="match_parent"

            app:maxLines="3"

            app:contentScrim="?android:attr/colorPrimary"

            app:collapsedTitleTextAppearance="@style/CollapsingToolbarTitle.Collapsed"

            app:statusBarScrim="?android:attr/colorPrimary"

            app:layout_scrollFlags="scroll|exitUntilCollapsed"

            app:expandedTitleMarginStart="18dp"

            app:expandedTitleMarginEnd="18dp"

            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"

                app:layout_collapseMode="pin"/>



        </com.android.settingslib.collapsingtoolbar.AdjustableToolbarLayout>

    </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"/>

</androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 No newline at end of file

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

+13 −37
Original line number Diff line number Diff line
@@ -14,47 +14,23 @@ 
  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"

<!-- The main content view -->

<LinearLayout

    android:id="@+id/content_parent"

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:transitionGroup="true">



    <com.google.android.material.appbar.AppBarLayout

        android:id="@+id/app_bar"

        android:layout_width="match_parent"

        android:layout_height="180dp"

        android:theme="@style/Theme.CollapsingToolbar.Settings">



        <com.android.settingslib.collapsingtoolbar.AdjustableToolbarLayout

            android:id="@+id/collapsing_toolbar"

            android:background="?android:attr/colorPrimary"

            android:layout_width="match_parent"

            android:layout_height="match_parent"

            app:maxLines="3"

            app:contentScrim="?android:attr/colorPrimary"

            app:collapsedTitleTextAppearance="@style/CollapsingToolbarTitle.Collapsed"

            app:statusBarScrim="?android:attr/colorPrimary"

            app:layout_scrollFlags="scroll|exitUntilCollapsed"

            app:expandedTitleMarginStart="18dp"

            app:expandedTitleMarginEnd="18dp"

            app:toolbarId="@id/action_bar">



    android:fitsSystemWindows="true"

    android:transitionGroup="true"

    android:orientation="vertical">

    <Toolbar

        android:id="@+id/action_bar"

        style="?android:attr/actionBarStyle"

        android:layout_width="match_parent"

                android:layout_height="?attr/actionBarSize"

                android:theme="?android:attr/actionBarTheme"

                app:layout_collapseMode="pin"/>



        </com.android.settingslib.collapsingtoolbar.AdjustableToolbarLayout>

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



        android:layout_height="wrap_content"

        android:theme="?android:attr/actionBarTheme" />

    <FrameLayout

        android:id="@+id/content_frame"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        app:layout_behavior="@string/appbar_scrolling_view_behavior"/>

</androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 No newline at end of file
 
        android:layout_height="match_parent"/>

</LinearLayout>

packages/SettingsLib/CollapsingToolbarBaseActivity/res/layout/toolbar_base_layout.xml

deleted100644 → 0
+0 −36
Original line number Diff line number Diff line 
<?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.

-->

<!-- The main content view -->

<LinearLayout

    android:id="@+id/content_parent"

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:fitsSystemWindows="true"

    android:transitionGroup="true"

    android:orientation="vertical">

    <Toolbar

        android:id="@+id/action_bar"

        style="?android:attr/actionBarStyle"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:theme="?android:attr/actionBarTheme" />

    <FrameLayout

        android:id="@+id/content_frame"

        android:layout_width="match_parent"

        android:layout_height="match_parent"/>

</LinearLayout>

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

+2 −10
Original line number Diff line number Diff line
@@ -24,7 +24,6 @@ import android.view.ViewGroup; 
import android.widget.Toolbar;



import androidx.annotation.Nullable;

import androidx.core.os.BuildCompat;

import androidx.fragment.app.FragmentActivity;



import com.google.android.material.appbar.CollapsingToolbarLayout;
@@ -41,15 +40,8 @@ public class CollapsingToolbarBaseActivity extends FragmentActivity { 
    protected void onCreate(@Nullable Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);



        // TODO(b/181723278): Update the version check after SDK for S is finalized

        // The collapsing toolbar is only supported if the android platform version is S or higher.

        // Otherwise the regular action bar will be shown.

        if (BuildCompat.isAtLeastS()) {

        super.setContentView(R.layout.collapsing_toolbar_base_layout);

        mCollapsingToolbarLayout = findViewById(R.id.collapsing_toolbar);

        } else {

            super.setContentView(R.layout.toolbar_base_layout);

        }



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

        setActionBar(toolbar);