Java tutorial
/* * Copyright 2012 Bo Zhu <zhu@xecurity.ca> * * 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 ca.xecure.easychip; import android.support.v4.app.Fragment; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ListView; import android.widget.ArrayAdapter; import android.widget.TextView; import android.app.Activity; import android.content.Context; import ca.mint.mintchip.contract.ILogEntry; import ca.mint.mintchip.contract.LogType; import ca.mint.mintchip.contract.MintChipException; import static ca.xecure.easychip.MintChipUtilities.*; import static ca.xecure.easychip.CommonUtilities.*; public class LogFragment extends Fragment { private LogType mLogType = LogType.DEBIT; private ILogEntry[] mLogEntries; private ListView logView; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.logfrag, container, false); logView = (ListView) v.findViewById(R.id.logView); update_logs(); return v; } public void update_logs() { try { mLogEntries = readTransactionLog(this.mLogType); } catch (MintChipException e) { Log.e(LOG_TAG, e.toString()); return; } LogEntryAdapter adapter = new LogEntryAdapter(getActivity(), mLogEntries, mLogType); logView.setAdapter(adapter); } private static class LogEntryAdapter extends ArrayAdapter<ILogEntry> { private LogType mLogType; public LogEntryAdapter(Context context, ILogEntry[] entries, LogType logType) { super(context, R.layout.logentry, entries); this.mLogType = logType; } @Override public View getView(int position, View convertView, ViewGroup parent) { LayoutInflater inflater = ((Activity) this.getContext()).getLayoutInflater(); View rowView = inflater.inflate(R.layout.logentry, parent, false); ILogEntry entry = this.getItem(position); if (entry != null) { TextView entryTextView = (TextView) rowView.findViewById(R.id.entryTextView); String accountMessage = getContext().getString(R.string.paid_to) + formatId(entry.getPayeeId()); String text = String.format(getContext().getString(R.string.log_entry_format), formatCurrency(entry.getAmount()), accountMessage, formatDateTime(entry.getTransactionTime())); entryTextView.setText(text); } return rowView; } } }