/*
* 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 android.support.v17.preference;
import android.app.Fragment;
import android.os.Bundle;
import android.support.v14.preference.PreferenceFragment;
import android.support.v17.leanback.widget.VerticalGridView;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.ViewGroup;
/**
* This fragment provides a preference fragment with leanback-style behavior, suitable for
* embedding into broader UI elements.
*/
public abstract class BaseLeanbackPreferenceFragment extends PreferenceFragment {
@Override
public RecyclerView onCreateRecyclerView(LayoutInflater inflater, ViewGroup parent,
Bundle savedInstanceState) {
VerticalGridView verticalGridView = (VerticalGridView) inflater
.inflate(R.layout.leanback_preferences_list, parent, false);
verticalGridView.setWindowAlignment(VerticalGridView.WINDOW_ALIGN_BOTH_EDGE);
verticalGridView.setFocusScrollStrategy(VerticalGridView.FOCUS_SCROLL_ALIGNED);
return verticalGridView;
}
/**
* @hide
*/
@Override
public Fragment getCallbackFragment() {
return getParentFragment();
}
}