android 在线升级借助开源中国App源码(android升级是什么意思)

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在线升级借助开源中国App源码分析如下:

// 网络连接判断 if (appContext.isNetworkConnected()) { // 检查新版本 if (appContext.isCheckUp()) { UpdateManager.getUpdateManager().checkAppUpdate(this, false); } }

package lcl.android.core;

import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.text.DecimalFormat;

import lcl.android.R;import lcl.android.api.ApiClient;import android.app.AlertDialog;import android.app.AlertDialog.Builder;import android.app.Dialog;import android.app.ProgressDialog;import android.content.Context;import android.content.DialogInterface;import android.content.DialogInterface.OnCancelListener;import android.content.DialogInterface.OnClickListener;import android.content.Intent;import android.content.pm.PackageInfo;import android.content.pm.PackageManager.NameNotFoundException;import android.net.Uri;import android.os.Environment;import android.os.Handler;import android.os.Message;import android.view.LayoutInflater;import android.view.View;import android.widget.ProgressBar;import android.widget.TextView;import android.widget.Toast;

/*** 应用程序更新工具包* */public class UpdateManager { private static final int DOWN_NOSDCARD = 0; private static final int DOWN_UPDATE = 1; private static final int DOWN_OVER = 2; private static final int DIALOG_TYPE_LATEST = 0; private static final int DIALOG_TYPE_FAIL = 1;

private static UpdateManager updateManager;

private Context mContext; // 通知对话框 private Dialog noticeDialog; // 下载对话框 private Dialog downloadDialog; // '已经是最新' 或者 '无法获取最新版本' 的对话框 private Dialog latestOrFailDialog; // 进度条 private ProgressBar mProgress; // 显示下载数&#; private TextView mProgressText; // 查询动画 private ProgressDialog mProDialog; // 进度&#; private int progress; // 下载线程 private Thread downLoadThread; // 终止标记 private boolean interceptFlag; // 提示语 private String updateMsg = ""; // 返回的安装包url private String apkUrl = ""; // 下载包保存路径 private String savePath = ""; // apk保存完整路径 private String apkFilePath = ""; // 临时下载文件路径 private String tmpFilePath = ""; // 下载文件大小 private String apkFileSize; // 已下载文件大小 private String tmpFileSize;

private String curVersionName = ""; private int curVersionCode; private Update mUpdate;

//单利模式

public static UpdateManager getUpdateManager() { if (updateManager == null) { updateManager = new UpdateManager(); } updateManager.interceptFlag = false; return updateManager; }

private Handler mHandler = new Handler() { public void handleMessage(Message msg) { switch (msg.what) { case DOWN_UPDATE: mProgress.setProgress(progress); mProgressText.setText(tmpFileSize &#; "/" &#; apkFileSize); break; case DOWN_OVER: downloadDialog.dismiss(); installApk(); break; case DOWN_NOSDCARD: downloadDialog.dismiss(); Toast.makeText(mContext, "无法下载安装文件，请检查SD卡是否挂载", ).show(); break; } }; };

/** * 获取当前客户端版本信息 */ private void getCurrentVersion() { try { PackageInfo info = mContext.getPackageManager().getPackageInfo( mContext.getPackageName(), 0); curVersionName = info.versionName; curVersionCode = info.versionCode; } catch (NameNotFoundException e) { e.printStackTrace(System.err); } }

/** * 检查App更新 * * @param context * @param isShowMsg * 是否显示提示消息 */ public void checkAppUpdate(Context context, final boolean isShowMsg) { this.mContext = context; getCurrentVersion(); if (isShowMsg) { if (mProDialog == null) mProDialog = ProgressDialog.show(mContext, null, "正在检测，请稍后...", true, true); else if (mProDialog.isShowing() || (latestOrFailDialog != null && latestOrFailDialog .isShowing())) return; } final Handler handler = new Handler() { public void handleMessage(Message msg) { // 进度条对话框不显示 - 检测结果也不显示 if (mProDialog != null && !mProDialog.isShowing()) { return; } // 关闭并释放释放进度条对话框 if (isShowMsg && mProDialog != null) { mProDialog.dismiss(); mProDialog = null; } // 显示检测结果 if (msg.what == 1) { mUpdate = (Update) msg.obj; if (mUpdate != null) { if (curVersionCode < mUpdate.getVersionCode()) { apkUrl = mUpdate.getDownloadUrl(); updateMsg = mUpdate.getUpdateLog(); showNoticeDialog(); } else if (isShowMsg) { showLatestOrFailDialog(DIALOG_TYPE_LATEST); } } } else if (isShowMsg) { showLatestOrFailDialog(DIALOG_TYPE_FAIL); } } }; new Thread() { public void run() { Message msg = new Message(); try { Update update = ApiClient .checkVersion((AppContext) mContext .getApplicationContext()); msg.what = 1; msg.obj = update; } catch (Exception e) { e.printStackTrace(); } handler.sendMessage(msg); } }.start(); }

/** * 显示版本更新通知对话框 */ private void showNoticeDialog() { AlertDialog.Builder builder = new Builder(mContext); builder.setTitle("软件版本更新"); builder.setMessage(updateMsg); builder.setPositiveButton("立即更新", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); showDownloadDialog(); } }); builder.setNegativeButton("以后再说", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); noticeDialog = builder.create(); noticeDialog.show(); }

/** * 显示下载对话框 */ private void showDownloadDialog() { AlertDialog.Builder builder = new Builder(mContext); builder.setTitle("正在下载新版本");

final LayoutInflater inflater = LayoutInflater.from(mContext); View v = inflater.inflate(R.layout.update_progress, null); mProgress = (ProgressBar) v.findViewById(R.id.update_progress); mProgressText = (TextView) v.findViewById(R.id.update_progress_text);

builder.setView(v); builder.setNegativeButton("取消", new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); interceptFlag = true; } }); builder.setOnCancelListener(new OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { dialog.dismiss(); interceptFlag = true; } }); downloadDialog = builder.create(); downloadDialog.setCanceledOnTouchOutside(false); downloadDialog.show();

downloadApk(); }

/** * 显示'已经是最新'或者'无法获取版本信息'对话框 */ private void showLatestOrFailDialog(int dialogType) { if (latestOrFailDialog != null) { // 关闭并释放之前的对话框 latestOrFailDialog.dismiss(); latestOrFailDialog = null; } AlertDialog.Builder builder = new Builder(mContext); builder.setTitle("系统提示"); if (dialogType == DIALOG_TYPE_LATEST) { builder.setMessage("您当前已经是最新版本"); } else if (dialogType == DIALOG_TYPE_FAIL) { builder.setMessage("无法获取版本更新信息"); } builder.setPositiveButton("确定", null); latestOrFailDialog = builder.create(); latestOrFailDialog.show(); }

private Runnable mdownApkRunnable = new Runnable() { @Override public void run() { try { String apkName = "OSChinaApp_" &#; mUpdate.getVersionName() &#; ".apk"; String tmpApk = "OSChinaApp_" &#; mUpdate.getVersionName() &#; ".tmp"; // 判断是否挂载了SD卡 String storageState = Environment.getExternalStorageState(); if (storageState.equals(Environment.MEDIA_MOUNTED)) { savePath = Environment.getExternalStorageDirectory() .getAbsolutePath() &#; "/OSChina/Update/"; File file = new File(savePath); if (!file.exists()) { file.mkdirs(); } apkFilePath = savePath &#; apkName; tmpFilePath = savePath &#; tmpApk; }

// 没有挂载SD卡，无法下载文件 if (apkFilePath == null || apkFilePath == "") { mHandler.sendEmptyMessage(DOWN_NOSDCARD); return; }

File ApkFile = new File(apkFilePath);

// 是否已下载更新文件 if (ApkFile.exists()) { downloadDialog.dismiss(); installApk(); return; }

// 输出临时下载文件 File tmpFile = new File(tmpFilePath); FileOutputStream fos = new FileOutputStream(tmpFile);

URL url = new URL(apkUrl); HttpURLConnection conn = (HttpURLConnection) url .openConnection(); conn.connect(); int length = conn.getContentLength(); InputStream is = conn.getInputStream();

// 显示文件大小&#;式：2个小数点显示 DecimalFormat df = new DecimalFormat("0."); // 进度条下面显示的总文件大小 apkFileSize = df.format((float) length / / ) &#; "MB";

int count = 0; byte buf[] = new byte[];

do { int numread = is.read(buf); count &#;= numread; // 进度条下面显示的当前下载文件大小 tmpFileSize = df.format((float) count / / ) &#; "MB"; // 当前进度&#; progress = (int) (((float) count / length) * ); // 更新进度 mHandler.sendEmptyMessage(DOWN_UPDATE); if (numread <= 0) { // 下载完成 - 将临时下载文件转成APK文件 if (tmpFile.renameTo(ApkFile)) { // 通知安装 mHandler.sendEmptyMessage(DOWN_OVER); } break; } fos.write(buf, 0, numread); } while (!interceptFlag);// 点击取消就停止下载

fos.close(); is.close(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } };

/** * 下载apk * * @param url */ private void downloadApk() { downLoadThread = new Thread(mdownApkRunnable); downLoadThread.start(); }

/** * 安装apk * * @param url */ private void installApk() { File apkfile = new File(apkFilePath); if (!apkfile.exists()) { return; } Intent i = new Intent(Intent.ACTION_VIEW); i.setDataAndType(Uri.parse(" &#; apkfile.toString()), "application/vnd.android.package-archive"); mContext.startActivity(i); }}

package lcl.android.core;

import java.io.IOException;import java.io.InputStream;import java.io.Serializable;

import lcl.android.utility.StringUtils;

import org.xmlpull.v1.XmlPullParser;import org.xmlpull.v1.XmlPullParserException;

import android.util.Xml;

/*** 应用程序更新实体类* * @author liux ( @version 1.0* @created -3-*/public class Update implements Serializable {

private static final long serialVersionUID = -L; public final static String UTF8 = "UTF-8"; public final static String NODE_ROOT = "oschina";

private int versionCode; private String versionName; private String downloadUrl; private String updateLog;

public int getVersionCode() { return versionCode; }

public void setVersionCode(int versionCode) { this.versionCode = versionCode; }

public String getVersionName() { return versionName; }

public void setVersionName(String versionName) { this.versionName = versionName; }

public String getDownloadUrl() { return downloadUrl; }

public void setDownloadUrl(String downloadUrl) { this.downloadUrl = downloadUrl; }

public String getUpdateLog() { return updateLog; }

public void setUpdateLog(String updateLog) { this.updateLog = updateLog; }

public static Update parse(InputStream inputStream) throws IOException, Exception { Update update = null; // 获得XmlPullParser解析器 XmlPullParser xmlParser = Xml.newPullParser(); try { xmlParser.setInput(inputStream, UTF8); // 获得解析到的事件类别，这里有开始文档，结束文档，开始标签，结束标签，文本等等事件。 int evtType = xmlParser.getEventType(); // 一直循环，直到文档结束 while (evtType != XmlPullParser.END_DOCUMENT) { String tag = xmlParser.getName(); switch (evtType) { case XmlPullParser.START_TAG: // 通知信息 if (tag.equalsIgnoreCase("android")) { update = new Update(); } else if (update != null) { if (tag.equalsIgnoreCase("versionCode")) { update.setVersionCode(StringUtils.toInt( xmlParser.nextText(), 0)); } else if (tag.equalsIgnoreCase("versionName")) { update.setVersionName(xmlParser.nextText()); } else if (tag.equalsIgnoreCase("downloadUrl")) { update.setDownloadUrl(xmlParser.nextText()); } else if (tag.equalsIgnoreCase("updateLog")) { update.setUpdateLog(xmlParser.nextText()); } } break; case XmlPullParser.END_TAG: break; } // 如果xml没有结束，则导航到下一个节点 evtType = xmlParser.next(); } } catch (XmlPullParserException e) {

} finally { inputStream.close(); } return update; }}

/*** API客户端接口：用于访问网络数据* * @author liux ( @version 1.0* @created -3-*/public class ApiClient { /** * 检查版本更新 * * @param url * @return */ public static Update checkVersion(AppContext appContext) throws Exception { try { return Update.parse(HtmlRegexpUtil .GetInputStreamByUrl(“ } catch (Exception e) { throw e; } }}5：发布到网络

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