Java tutorial
package com.BeeFramework.activity; import android.content.Intent; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.view.View; import android.widget.AdapterView; import android.widget.TextView; import com.BeeFramework.AppConst; import com.BeeFramework.adapter.CrashLogAdapter; import com.BeeFramework.protocol.CrashMessage; import com.external.maxwin.view.XListView; import com.next.pyp.R; import org.apache.http.util.EncodingUtils; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; /* * ______ ______ ______ * /\ __ \ /\ ___\ /\ ___\ * \ \ __< \ \ __\_ \ \ __\_ * \ \_____\ \ \_____\ \ \_____\ * \/_____/ \/_____/ \/_____/ * * * Copyright (c) 2013-2014, {Bee} open source community * http://www.bee-framework.com * * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ public class CrashLogActivity extends BaseActivity { ArrayList<File> logFilesList = new ArrayList<File>(); ArrayList<CrashMessage> crashMessageArrayList = new ArrayList<CrashMessage>(); XListView logListView; TextView titleTextView; CrashLogAdapter listAdapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.crash_log_activity); logListView = (XListView) findViewById(R.id.log_list_view); titleTextView = (TextView) findViewById(R.id.topview_title); titleTextView.setText("?"); new Thread() { @Override public void run() { initLog(); } }.start(); logListView.setPullLoadEnable(false); logListView.setPullRefreshEnable(false); logListView.setRefreshTime(); listAdapter = new CrashLogAdapter(this, crashMessageArrayList); logListView.setAdapter(listAdapter); logListView.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { int size = crashMessageArrayList.size(); CrashMessage crashMessage = crashMessageArrayList.get(size - position); Intent it = new Intent(CrashLogActivity.this, CrashLogDetailActivity.class); it.putExtra("crash_time", crashMessage.crashTime); it.putExtra("crash_content", crashMessage.crashContent); startActivity(it); } }); } public void initLog() { try { String path = Environment.getExternalStorageDirectory().getAbsolutePath() + AppConst.LOG_DIR_PATH; getFiles(logFilesList, path); for (int i = 0; i < logFilesList.size(); i++) { File file = logFilesList.get(i); try { FileInputStream fin = new FileInputStream(file); int length = fin.available(); byte[] buffer = new byte[length]; fin.read(buffer); String content = EncodingUtils.getString(buffer, "UTF-8"); fin.close(); String fileName = file.getName(); String[] nameArray = fileName.split("\\."); if (nameArray.length > 0) { String intStr = nameArray[0]; long timestamp = Long.parseLong(intStr); Date currentTime = new Date(timestamp); CrashMessage crashMessage = new CrashMessage(); SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd HH:mm:ss"); String dateString = formatter.format(currentTime); crashMessage.crashTime = dateString; crashMessage.crashContent = content; crashMessageArrayList.add(crashMessage); } } catch (FileNotFoundException e) { } catch (IOException e2) { e2.printStackTrace(); } } } catch (Exception e) { e.printStackTrace(); } finally { handler.sendEmptyMessage(0); } } private Handler handler = new Handler() { @Override public void handleMessage(Message msg) { super.handleMessage(msg); switch (msg.what) { case 0: listAdapter.notifyDataSetChanged(); break; } } }; private void getFiles(ArrayList<File> logFilesList, String path) { File[] allFiles = new File(path).listFiles(); for (int i = 0; i < allFiles.length; i++) { File file = allFiles[i]; if (file.isFile() && file.getName().contains("txt")) { logFilesList.add(file); } } } }