Java tutorial
/* * Copyright 2016 Daniel Blz * * 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 de.dbaelz.onofftracker.activities.main; import android.content.Context; import android.content.Intent; import android.support.v7.widget.RecyclerView; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import org.joda.time.DateTimeComparator; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; import java.util.List; import de.dbaelz.onofftracker.R; import de.dbaelz.onofftracker.activities.chart.ChartActivity; import de.dbaelz.onofftracker.models.ActionsInterval; class CardItemAdapter extends RecyclerView.Adapter<CardItemAdapter.ViewHolder> implements CardItemListener { private List<ActionsInterval> items; private Context context; private DateTimeFormatter fmt = DateTimeFormat.shortDate(); public CardItemAdapter(List<ActionsInterval> items, Context context) { this.items = items; this.context = context; } @Override public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.cardview_action, parent, false); return new ViewHolder(itemView, this); } @Override public void onBindViewHolder(ViewHolder holder, int position) { ActionsInterval item = items.get(position); String title = item.title; if (DateTimeComparator.getDateOnlyInstance().compare(item.startDate, item.endDate) != 0) { title = String.format(holder.title.getContext().getString(R.string.cardview_title), item.title, fmt.print(item.startDate), fmt.print(item.endDate)); } holder.title.setText(title); holder.screenOn.setText( String.format(holder.screenOn.getContext().getString(R.string.cardview_screenon), item.screenOn)); holder.screenOff.setText(String.format(holder.screenOff.getContext().getString(R.string.cardview_screenoff), item.screenOff)); holder.unlocked.setText( String.format(holder.unlocked.getContext().getString(R.string.cardview_unlocked), item.unlocked)); } @Override public int getItemCount() { return items.size(); } @Override public void onItemClicked(int position) { Intent intent = new Intent(context, ChartActivity.class); intent.putExtra(ChartActivity.START_DATE, items.get(position).startDate); intent.putExtra(ChartActivity.END_DATE, items.get(position).endDate); context.startActivity(intent); } public static class ViewHolder extends RecyclerView.ViewHolder { public TextView title; public TextView screenOn; public TextView screenOff; public TextView unlocked; public ViewHolder(View itemView, final CardItemListener listener) { super(itemView); itemView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { listener.onItemClicked(getAdapterPosition()); } }); title = (TextView) itemView.findViewById(R.id.cardview_title); screenOn = (TextView) itemView.findViewById(R.id.cardview_screenon); screenOff = (TextView) itemView.findViewById(R.id.cardview_screenoff); unlocked = (TextView) itemView.findViewById(R.id.cardview_unlocked); } } }