Java tutorial
/** This file is part of AviationHK - companion app for local pilots that provides at-a-glance weather information. Project site: https://github.com/sonny-chen/aviation-weather-android AviationHK is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. AviationHK is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with AviationHK. If not, see <http://www.gnu.org/licenses/>. Created by Sonny Chen on 4/25/2017. **/ package com.sonnychen.aviationhk.views; import android.content.Context; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.util.Pair; import android.support.v7.widget.GridLayoutManager; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.LinearLayout; import com.sonnychen.aviationhk.BaseApplication; import com.sonnychen.aviationhk.utils.GenericCardItem; import com.sonnychen.aviationhk.utils.GenericRecyclerViewAdapter; import com.sonnychen.aviationhk.R; import java.util.ArrayList; /** * A simple {@link Fragment} subclass. * Activities that contain this fragment must implement the * {@link CustomFragmentBase.OnFragmentInteractionListener} interface * to handle interaction events. * Use the {@link RadarFragment#newInstance} factory method to * create an instance of this fragment. */ public class RadarFragment extends CustomFragmentBase { public RadarFragment() { // Required empty public constructor } /** * Use this factory method to create a new instance of * this fragment using the provided parameters. * * @return A new instance of fragment RadarFragment. */ public static RadarFragment newInstance(Context context) { RadarFragment fragment = new RadarFragment(); fragment.FragmentTitle = context.getString(R.string.title_radar); return fragment; } private ArrayList<GenericCardItem> cardList; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); cardList = new ArrayList<>(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment View view = inflater.inflate(R.layout.fragment_radar, container, false); RecyclerView mListView = (RecyclerView) view.findViewById(R.id.listView); cardList.clear(); for (Pair<String, String> cam : BaseApplication.Data.WeatherPhotoURLs) { cardList.add(new GenericCardItem(cam.first, cam.second, cam.first)); } GridLayoutManager mLayoutManager = new GridLayoutManager(getContext(), 2, LinearLayoutManager.VERTICAL, false); mLayoutManager.setAutoMeasureEnabled(true); mLayoutManager.setMeasurementCacheEnabled(false); mListView.setLayoutManager(mLayoutManager); mListView.setHasFixedSize(false); mListView.setAdapter(new GenericRecyclerViewAdapter(getContext(), cardList, LinearLayout.VERTICAL)); return view; } }