Java tutorial
/* Copyright 2013 Zirconi 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 com.zirconi.huaxiaclient; import java.util.ArrayList; import java.util.HashMap; import java.util.Map; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.client.methods.HttpGet; import org.apache.http.util.EntityUtils; import android.app.Activity; import android.app.AlertDialog; import android.app.ProgressDialog; import android.content.Intent; import android.content.SharedPreferences; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Toast; import android.widget.AdapterView.OnItemClickListener; public class TableActivity extends Activity { private static final String TABLE_PAGE = "xsgrkb.aspx"; private static final String EXTRA = "&type=xs"; private static final int DAY_PER_WEEK = 7; // UNICODE private static final String TABLE_PATTERN = "<td align=\"Center\"( rowspan=\"2\")?( width=\"14%\")?>(.*?)</td>"; private static final String FIRST_LINE = "<td width=\"1%\">[\u7B2C][\u4E00][\u8282]</td>.+"; private static final String SECOND_LINE = "<td>[\u7B2C][\u4E09][\u8282]</td>.+"; private static final String THIRD_LINE = "<td>[\u7B2C][\u4E94][\u8282]</td>.+"; private static final String FOURTH_LINE = "<td>[\u7B2C][\u4E03][\u8282]</td>.+"; private static final String DETAIL_PATTERN = "(.*?)<br>(.*?)<br>(.*?)[z|j]\\[(.+)\\]<br>(.+)"; private static final String[] WEEK = { "", "", "", "", "", "", "" }; private String FinalPAGE; private String SERVER; private String NUM; private AsyncTable TASK; private String[] T_1; private String[] T_2; private String[] T_3; private String[] T_4; public static ArrayList<Map<String, String>> item_1; public static ArrayList<Map<String, String>> item_2; public static ArrayList<Map<String, String>> item_3; public static ArrayList<Map<String, String>> item_4; private ListView lv; private ProgressDialog dialog; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.table_layout); dialog = new ProgressDialog(this); dialog.setTitle(""); dialog.setMessage(""); dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER); dialog.show(); SharedPreferences tmp = this.getSharedPreferences("LOGIN", MODE_PRIVATE); NUM = this.getIntent().getStringExtra("NUM"); T_1 = new String[DAY_PER_WEEK]; T_2 = new String[DAY_PER_WEEK]; T_3 = new String[DAY_PER_WEEK]; T_4 = new String[DAY_PER_WEEK]; item_1 = new ArrayList<Map<String, String>>(); item_2 = new ArrayList<Map<String, String>>(); item_3 = new ArrayList<Map<String, String>>(); item_4 = new ArrayList<Map<String, String>>(); lv = (ListView) this.findViewById(R.id.table_lv_week); ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, WEEK); lv.setAdapter(adapter); if (tmp.getBoolean("TEL", true)) { this.SERVER = SharedApplication.HTTP_TEL_ADDR; } else { this.SERVER = SharedApplication.HTTP_CER_ADDR; } FinalPAGE = SERVER + TABLE_PAGE + SharedApplication.STU_NUM + NUM + EXTRA; Log.d("FINALPAGE", FinalPAGE); TASK = new AsyncTable(); TASK.execute(FinalPAGE); lv.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Log.d("POSITION", Integer.toString(position)); switch (position) { case 0: Intent intent_1 = new Intent(TableActivity.this, DetailActivity.class); intent_1.putExtra("day", 0); startActivity(intent_1); break; case 1: Intent intent_2 = new Intent(TableActivity.this, DetailActivity.class); intent_2.putExtra("day", 1); startActivity(intent_2); break; case 2: Intent intent_3 = new Intent(TableActivity.this, DetailActivity.class); intent_3.putExtra("day", 2); startActivity(intent_3); break; case 3: Intent intent_4 = new Intent(TableActivity.this, DetailActivity.class); intent_4.putExtra("day", 3); startActivity(intent_4); break; case 4: Intent intent_5 = new Intent(TableActivity.this, DetailActivity.class); intent_5.putExtra("day", 4); startActivity(intent_5); break; case 5: Intent intent_6 = new Intent(TableActivity.this, DetailActivity.class); intent_6.putExtra("day", 5); startActivity(intent_6); break; case 6: Intent intent_7 = new Intent(TableActivity.this, DetailActivity.class); intent_7.putExtra("day", 6); startActivity(intent_7); break; } } }); } private class AsyncTable extends AsyncTask<String, Integer, String> { @Override protected String doInBackground(String... params) { String URL = params[0]; String result = new String(); Log.d("URL", URL); HttpGet httpGet = new HttpGet(URL); try { HttpResponse scoreResponse = SharedApplication.client.execute(httpGet); if (scoreResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { Log.d("TAG", "ConnectionOK"); result = EntityUtils.toString(scoreResponse.getEntity()); } else { return "FAIL"; } } catch (Exception e) { e.printStackTrace(); return ""; } finally { httpGet.abort(); } return result; } @Override protected void onPostExecute(String result) { if (result.equals("FAIL")) { dialog.dismiss(); new AlertDialog.Builder(TableActivity.this).setTitle("").setMessage("") .setPositiveButton("", null).show(); } else if (result.equals("") || result == null || result.length() == 0) { dialog.dismiss(); new AlertDialog.Builder(TableActivity.this).setTitle("").setMessage("") .setPositiveButton("", null).show(); } else if (result.indexOf("") != -1) { dialog.dismiss(); Toast.makeText(TableActivity.this, "", Toast.LENGTH_LONG).show(); } else if (result != null) { // Log.d("RES",result); String LINE_1 = null; String LINE_3 = null; String LINE_5 = null; String LINE_7 = null; Pattern l_1 = Pattern.compile(FIRST_LINE); Matcher ml_1 = l_1.matcher(result); if (ml_1.find()) { LINE_1 = ml_1.group(); } Pattern l_2 = Pattern.compile(SECOND_LINE); Matcher ml_2 = l_2.matcher(result); if (ml_2.find()) { LINE_3 = ml_2.group(); } Pattern l_3 = Pattern.compile(THIRD_LINE); Matcher ml_3 = l_3.matcher(result); if (ml_3.find()) { LINE_5 = ml_3.group(); } Pattern l_4 = Pattern.compile(FOURTH_LINE); Matcher ml_4 = l_4.matcher(result); if (ml_4.find()) { LINE_7 = ml_4.group(); } int i = 0; Pattern XX = Pattern.compile(TABLE_PATTERN); Matcher fin = XX.matcher(LINE_1); while (fin.find()) { T_1[i] = fin.group(3); ++i; } i = 0; Pattern XX2 = Pattern.compile(TABLE_PATTERN); Matcher fin2 = XX2.matcher(LINE_3); while (fin2.find()) { T_2[i] = fin2.group(3); ++i; } i = 0; Pattern XX3 = Pattern.compile(TABLE_PATTERN); Matcher fin3 = XX3.matcher(LINE_5); while (fin3.find()) { T_3[i] = fin3.group(3); ++i; } i = 0; Pattern XX4 = Pattern.compile(TABLE_PATTERN); Matcher fin4 = XX4.matcher(LINE_7); while (fin4.find()) { T_4[i] = fin4.group(3); ++i; } for (int x = 0; x < T_1.length; ++x) { String name = ""; String times = ""; String time = ""; String teacher = ""; String room = ""; Pattern detail = Pattern.compile(DETAIL_PATTERN); Matcher mdetail = detail.matcher(T_1[x]); if (mdetail.find()) { name = mdetail.group(1); times = mdetail.group(2); time = mdetail.group(3); teacher = mdetail.group(4); room = mdetail.group(5); } else { name = ""; times = ""; time = ""; teacher = ""; room = ""; } Log.d("TEST", name + "~" + times + "~" + time + "~" + teacher + "~" + room); Map<String, String> map = new HashMap<String, String>(); map.put("name", name); map.put("times", times); map.put("time", time); map.put("teacher", teacher); map.put("room", room); item_1.add(map); } for (int x = 0; x < T_1.length; ++x) { String name = ""; String times = ""; String time = ""; String teacher = ""; String room = ""; Pattern detail = Pattern.compile(DETAIL_PATTERN); Matcher mdetail = detail.matcher(T_2[x]); if (mdetail.find()) { name = mdetail.group(1); times = mdetail.group(2); time = mdetail.group(3); teacher = mdetail.group(4); room = mdetail.group(5); } else { name = ""; times = ""; time = ""; teacher = ""; room = ""; } Log.d("TEST", name + "~" + times + "~" + time + "~" + teacher + "~" + room); Map<String, String> map = new HashMap<String, String>(); map.put("name", name); map.put("times", times); map.put("time", time); map.put("teacher", teacher); map.put("room", room); item_2.add(map); } for (int x = 0; x < T_1.length; ++x) { String name = ""; String times = ""; String time = ""; String teacher = ""; String room = ""; Pattern detail = Pattern.compile(DETAIL_PATTERN); Matcher mdetail = detail.matcher(T_3[x]); if (mdetail.find()) { name = mdetail.group(1); times = mdetail.group(2); time = mdetail.group(3); teacher = mdetail.group(4); room = mdetail.group(5); } else { name = ""; times = ""; time = ""; teacher = ""; room = ""; } Log.d("TEST", name + "~" + times + "~" + time + "~" + teacher + "~" + room); Map<String, String> map = new HashMap<String, String>(); map.put("name", name); map.put("times", times); map.put("time", time); map.put("teacher", teacher); map.put("room", room); item_3.add(map); } for (int x = 0; x < T_1.length; ++x) { String name = ""; String times = ""; String time = ""; String teacher = ""; String room = ""; Pattern detail = Pattern.compile(DETAIL_PATTERN); Matcher mdetail = detail.matcher(T_4[x]); if (mdetail.find()) { name = mdetail.group(1); times = mdetail.group(2); time = mdetail.group(3); teacher = mdetail.group(4); room = mdetail.group(5); } else { name = ""; times = ""; time = ""; teacher = ""; room = ""; } Log.d("TEST", name + "~" + times + "~" + time + "~" + teacher + "~" + room); Map<String, String> map = new HashMap<String, String>(); map.put("name", name); map.put("times", times); map.put("time", time); map.put("teacher", teacher); map.put("room", room); item_4.add(map); } // dialog.dismiss(); Toast.makeText(TableActivity.this, "", Toast.LENGTH_SHORT).show(); } dialog.dismiss(); // ??? } @Override protected void onProgressUpdate(Integer... values) { super.onProgressUpdate(values); } } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.menu_about: new AlertDialog.Builder(this).setTitle("About") .setMessage("VERSION:0.05 BETA\nJust for fun!\nAuthor:Zirconi\nMail:Geekkou@gmail.com") .setPositiveButton("OK", null).show(); break; } return true; } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.activity_menu, menu); return true; } }