MyScheduleFragment.java

/*
 * Copyright 2014 Google Inc. All rights reserved.
 *
 * 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.google.samples.apps.iosched.ui;

import android.app.Activity;
import android.os.Bundle;
import android.app.ListFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.google.samples.apps.iosched.R;

/**
 * A list fragment that shows items from MySchedule.
 * To use, call setListAdapter(), passing it an instance of your MyScheduleAdapter.
 */
public class MyScheduleFragment extends ListFragment {
    private String mContentDescription = null;
    private View mRoot = null;

    public interface Listener {
        public void onFragmentViewCreated(ListFragment fragment);
        public void onFragmentAttached(MyScheduleFragment fragment);
        public void onFragmentDetached(MyScheduleFragment fragment);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        mRoot = inflater.inflate(R.layout.fragment_my_schedule, container, false);
        if (mContentDescription != null) {
            mRoot.setContentDescription(mContentDescription);
        }
        return mRoot;
    }

    public void setContentDescription(String desc) {
        mContentDescription = desc;
        if (mRoot != null) {
            mRoot.setContentDescription(mContentDescription);
        }
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        if (getActivity() instanceof Listener) {
            ((Listener) getActivity()).onFragmentViewCreated(this);
        }
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        if (getActivity() instanceof Listener) {
            ((Listener) getActivity()).onFragmentAttached(this);
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        if (getActivity() instanceof Listener) {
            ((Listener) getActivity()).onFragmentDetached(this);
        }
    }
}