102 lines
3.0 KiB
Java
102 lines
3.0 KiB
Java
/*
|
|
* 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.
|
|
*/
|
|
|
|
package com.android.settingslib.collapsingtoolbar;
|
|
|
|
import android.app.ActionBar;
|
|
import android.content.Context;
|
|
import android.os.Bundle;
|
|
import android.view.LayoutInflater;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
import android.widget.FrameLayout;
|
|
import android.widget.Toolbar;
|
|
|
|
import androidx.annotation.NonNull;
|
|
import androidx.annotation.Nullable;
|
|
import androidx.coordinatorlayout.widget.CoordinatorLayout;
|
|
import androidx.fragment.app.Fragment;
|
|
|
|
import com.google.android.material.appbar.AppBarLayout;
|
|
import com.google.android.material.appbar.CollapsingToolbarLayout;
|
|
|
|
/**
|
|
* A base fragment that has a collapsing toolbar layout for enabling the collapsing toolbar design.
|
|
*/
|
|
public abstract class CollapsingToolbarBaseFragment extends Fragment {
|
|
|
|
private class DelegateCallback implements CollapsingToolbarDelegate.HostCallback {
|
|
@Nullable
|
|
@Override
|
|
public ActionBar setActionBar(Toolbar toolbar) {
|
|
requireActivity().setActionBar(toolbar);
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public void setOuterTitle(CharSequence title) {
|
|
// ignore
|
|
}
|
|
}
|
|
|
|
private CollapsingToolbarDelegate mToolbardelegate;
|
|
|
|
@Override
|
|
public void onAttach(Context context) {
|
|
super.onAttach(context);
|
|
mToolbardelegate = new CollapsingToolbarDelegate(new DelegateCallback());
|
|
}
|
|
|
|
@Nullable
|
|
@Override
|
|
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
|
|
@Nullable Bundle savedInstanceState) {
|
|
return mToolbardelegate.onCreateView(inflater, container);
|
|
}
|
|
|
|
/**
|
|
* Return an instance of CoordinatorLayout.
|
|
*/
|
|
@Nullable
|
|
public CoordinatorLayout getCoordinatorLayout() {
|
|
return mToolbardelegate.getCoordinatorLayout();
|
|
}
|
|
|
|
/**
|
|
* Return an instance of app bar.
|
|
*/
|
|
@Nullable
|
|
public AppBarLayout getAppBarLayout() {
|
|
return mToolbardelegate.getAppBarLayout();
|
|
}
|
|
|
|
/**
|
|
* Return the collapsing toolbar layout.
|
|
*/
|
|
@Nullable
|
|
public CollapsingToolbarLayout getCollapsingToolbarLayout() {
|
|
return mToolbardelegate.getCollapsingToolbarLayout();
|
|
}
|
|
|
|
/**
|
|
* Return the content frame layout.
|
|
*/
|
|
@NonNull
|
|
public FrameLayout getContentFrameLayout() {
|
|
return mToolbardelegate.getContentFrameLayout();
|
|
}
|
|
}
|