Java tutorial
/* * 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 ch.ccapps.android.zeneggen.fragment; import android.content.Intent; import android.os.Bundle; import android.os.Parcelable; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; 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.ImageView; import android.widget.TextView; import com.bumptech.glide.Glide; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Random; import ch.ccapps.android.zeneggen.R; import ch.ccapps.android.zeneggen.activity.tourismus.HotelDetailActivity; import ch.ccapps.android.zeneggen.adapter.DividerItemDecoration; import ch.ccapps.android.zeneggen.adapter.SectionRecyclerAdapter; import ch.ccapps.android.zeneggen.adapter.holder.ViewHolder; import ch.ccapps.android.zeneggen.model.CarShareMobile; import ch.ccapps.android.zeneggen.model.Hotel; public class CarShareFragment extends Fragment implements SectionRecyclerAdapter.ViewHolderCreator, SectionRecyclerAdapter.SectionAdapterClickListener<CarShareMobile> { @Nullable private HashMap<String, List<CarShareMobile>> mCarShares; private final static String serialKey = "carshares"; @NonNull public static CarShareFragment newInstance(HashMap<String, List<CarShareMobile>> carshares) { CarShareFragment fragment = new CarShareFragment(); Bundle b = new Bundle(); b.putSerializable(serialKey, carshares); fragment.setArguments(b); return fragment; } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (getArguments() != null) { mCarShares = (HashMap<String, List<CarShareMobile>>) getArguments().getSerializable(serialKey); } } @Nullable @Override public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { RecyclerView rv = (RecyclerView) inflater.inflate(R.layout.fragment_carshare_list, container, false); setupRecyclerView(rv); return rv; } private void setupRecyclerView(@NonNull RecyclerView recyclerView) { recyclerView.setLayoutManager(new LinearLayoutManager(recyclerView.getContext())); List<String> sections = new ArrayList<String>(); for (String section : mCarShares.keySet()) { if (section.equals("Fahrer")) { sections.add(0, section); } else { sections.add(section); } } SectionRecyclerAdapter<CarShareMobile> carShareAdapter = new SectionRecyclerAdapter<>(mCarShares, sections, this, this); recyclerView.setAdapter(carShareAdapter); recyclerView.addItemDecoration(new DividerItemDecoration(CarShareFragment.this.getActivity(), null)); } public void updateData() { } @NonNull private List<String> getRandomSublist(@NonNull String[] array, int amount) { ArrayList<String> list = new ArrayList<>(amount); Random random = new Random(); while (list.size() < amount) { list.add(array[random.nextInt(array.length)]); } return list; } @Nullable @Override public ViewHolder createViewHolderFor(@NonNull ViewGroup parent, int type) { if (type == SectionRecyclerAdapter.DATA_TYPE) { View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_carshare_item, parent, false); //view.setBackgroundResource(mBackground); return new CarShareViewHolder(view); } else if (type == SectionRecyclerAdapter.SECTION_TYPE) { View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_section_header_item, parent, false); return new SectionViewHolder(view); } else { return null; } } @Override public void onSectionClicked(String section) { } @Override public void onItemInSecRecViewClicked(CarShareMobile dataobject) { Intent intent = new Intent(getActivity(), HotelDetailActivity.class); intent.putExtra(HotelDetailActivity.EXTRA_HOTEL, (Parcelable) dataobject); getActivity().startActivity(intent); } public static class SectionViewHolder extends ViewHolder<String> { TextView mHeader; public SectionViewHolder(@NonNull View view) { super(view); mHeader = (TextView) view.findViewById(R.id.header); } @Override public void bindData(String data) { mHeader.setText(data); } @Override public void bindClickListener(View.OnClickListener listener) { } } public static class CarShareViewHolder extends ViewHolder<CarShareMobile> { public CarShareMobile mCarShare; @NonNull public final View mView; @NonNull public final ImageView mImageView; @NonNull public final TextView mTextView; @NonNull public final TextView mSubText; public CarShareViewHolder(@NonNull View view) { super(view); mView = view; mImageView = (ImageView) view.findViewById(R.id.avatar); mTextView = (TextView) view.findViewById(R.id.hotel_menu_title); mSubText = (TextView) view.findViewById(R.id.hotel_submenu_title); } @NonNull @Override public String toString() { return super.toString() + " '" + mTextView.getText(); } @Override public void bindData(@NonNull CarShareMobile data) { mCarShare = data; //TODO /* Glide.with(mImageView.getContext()) .load(data.getDrawableResource()) .fitCenter() .into(mImageView); mTextView.setText(data.getName()); mSubText.setText(mView.getContext().getString(R.string.phone) + " " + mCarShare.getPhonenumber());*/ } @Override public void bindClickListener(View.OnClickListener listener) { this.mView.setOnClickListener(listener); } } }