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/*
* Copyright (C) 2015 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.setupwizardlib;
import android.content.Context;
import android.content.res.TypedArray;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.android.setupwizardlib.items.ItemGroup;
import com.android.setupwizardlib.items.ItemInflater;
import com.android.setupwizardlib.items.RecyclerItemAdapter;
import com.android.setupwizardlib.util.RecyclerViewRequireScrollHelper;
import com.android.setupwizardlib.view.HeaderRecyclerView;
import com.android.setupwizardlib.view.NavigationBar;
/**
* A SetupWizardLayout for use with {@link com.android.setupwizardlib.items.RecyclerItemAdapter},
* which displays a list of items using a RecyclerView. The items XML file can be specified through
* {@code android:entries} attribute in the layout.
*
* @see com.android.setupwizardlib.SetupWizardItemsLayout
*/
public class SetupWizardRecyclerItemsLayout extends SetupWizardLayout {
private static final String TAG = "RecyclerItemsLayout";
private RecyclerItemAdapter mAdapter;
private RecyclerView mRecyclerView;
private TextView mHeaderTextView;
private View mDecorationView;
public SetupWizardRecyclerItemsLayout(Context context, AttributeSet attrs) {
super(context, attrs);
init(context, attrs, 0);
}
public SetupWizardRecyclerItemsLayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context, attrs, defStyleAttr);
}
private void init(Context context, AttributeSet attrs, int defStyleAttr) {
final TypedArray a = context.obtainStyledAttributes(attrs,
R.styleable.SuwSetupWizardRecyclerItemsLayout, defStyleAttr, 0);
final int xml = a.getResourceId(
R.styleable.SuwSetupWizardRecyclerItemsLayout_android_entries, 0);
if (xml != 0) {
final ItemGroup inflated = (ItemGroup) new ItemInflater(context).inflate(xml);
mAdapter = new RecyclerItemAdapter(inflated);
mAdapter.setHasStableIds(a.getBoolean(
R.styleable.SuwSetupWizardRecyclerItemsLayout_suwHasStableIds, false));
setAdapter(mAdapter);
}
a.recycle();
}
public RecyclerItemAdapter getAdapter() {
return mAdapter;
}
public void setAdapter(RecyclerItemAdapter adapter) {
mAdapter = adapter;
getRecyclerView().setAdapter(adapter);
}
public RecyclerView getRecyclerView() {
return mRecyclerView;
}
@Override
protected ViewGroup findContainer(int containerId) {
if (containerId == 0) {
containerId = R.id.suw_recycler_view;
}
return super.findContainer(containerId);
}
@Override
protected void onTemplateInflated() {
mRecyclerView = (RecyclerView) findViewById(R.id.suw_recycler_view);
mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
mRecyclerView.addItemDecoration(DividerItemDecoration.getDefault(getContext()));
if (mRecyclerView instanceof HeaderRecyclerView) {
final View header = ((HeaderRecyclerView) mRecyclerView).getHeader();
mHeaderTextView = (TextView) header.findViewById(R.id.suw_layout_title);
mDecorationView = header.findViewById(R.id.suw_layout_decor);
}
}
@Override
protected View onInflateTemplate(LayoutInflater inflater, int template) {
if (template == 0) {
template = R.layout.suw_recycler_template;
}
return super.onInflateTemplate(inflater, template);
}
@Override
protected TextView getHeaderTextView() {
if (mHeaderTextView != null) {
return mHeaderTextView;
} else {
return super.getHeaderTextView();
}
}
@Override
protected View getDecorationView() {
if (mDecorationView != null) {
return mDecorationView;
} else {
return super.getDecorationView();
}
}
@Override
public void requireScrollToBottom() {
final NavigationBar navigationBar = getNavigationBar();
final RecyclerView recyclerView = getRecyclerView();
if (navigationBar != null && recyclerView != null) {
RecyclerViewRequireScrollHelper.requireScroll(navigationBar, recyclerView);
} else {
Log.e(TAG, "Both suw_layout_navigation_bar and suw_recycler_view must exist in"
+ " the template to require scrolling.");
}
}
}
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