org.physical_web.physicalweb.DemosFragment.java Source code

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Here is the source code for org.physical_web.physicalweb.DemosFragment.java

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/*
 * Copyright 2016 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 org.physical_web.physicalweb;

import org.physical_web.demos.Demo;
import org.physical_web.demos.FatBeaconHelloWorld;
import org.physical_web.demos.WifiDirectHelloWorld;

import android.app.ListFragment;
import android.os.Build.VERSION;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import android.support.v4.content.ContextCompat;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

/**
 * This class shows a list of demos.
 */
public class DemosFragment extends ListFragment {
    private static final String TAG = DemosFragment.class.getSimpleName();
    private DemosAdapter mAdapter;

    @Override
    public View onCreateView(LayoutInflater layoutInflater, ViewGroup container, Bundle savedInstanceState) {
        setHasOptionsMenu(true);
        getActivity().getActionBar().setDisplayHomeAsUpEnabled(true);
        View rootView = layoutInflater.inflate(R.layout.fragment_demos, container, false);
        mAdapter = new DemosAdapter();
        setListAdapter(mAdapter);
        initialize();
        return rootView;
    }

    @Override
    public void onResume() {
        super.onResume();
        getActivity().getActionBar().setTitle(R.string.demos);
    }

    @Override
    public void onPrepareOptionsMenu(Menu menu) {
        super.onPrepareOptionsMenu(menu);
        Utils.hideAllMenuItems(menu);
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        Demo demo = mAdapter.getItem(position);
        if (demo.isDemoStarted()) {
            demo.stopDemo();
        } else {
            demo.startDemo();
        }
        setBackgroundColor(v, demo.isDemoStarted());
    }

    private void initialize() {
        if (VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
            mAdapter.addItem(new FatBeaconHelloWorld(getActivity()));
        }
        mAdapter.addItem(new WifiDirectHelloWorld(getActivity()));
    }

    private void setBackgroundColor(View view, boolean isStarted) {
        if (isStarted) {
            view.setBackgroundColor(ContextCompat.getColor(getActivity(), R.color.physical_web_logo));
        } else {
            view.setBackgroundColor(0xFFFFFFFF);
        }
    }

    private class DemosAdapter extends BaseAdapter {
        List<Demo> demos;

        public DemosAdapter() {
            demos = new ArrayList<>();
        }

        public void addItem(Demo demo) {
            demos.add(demo);
        }

        @Override
        public int getCount() {
            return demos.size();
        }

        @Override
        public Demo getItem(int i) {
            return demos.get(i);
        }

        @Override
        public long getItemId(int i) {
            return i;
        }

        @Override
        public View getView(int i, View view, ViewGroup viewGroup) {
            if (view == null) {
                view = getActivity().getLayoutInflater().inflate(R.layout.list_item_demo, viewGroup, false);
            }
            ((TextView) view.findViewById(R.id.demo_title)).setText(demos.get(i).getTitle());
            ((TextView) view.findViewById(R.id.demo_summary)).setText(demos.get(i).getSummary());
            setBackgroundColor(view, demos.get(i).isDemoStarted());
            return view;
        }
    }
}