android客户端版本检测更新，服务下载，通知栏显示

看图，只要点击取消或是下载完毕通知才会消失！

代码是大部分是借用别人的，再自己修改，达到自己所需要的效果

xml文件

update.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:background="@drawable/newlogin_bg"    android:orientation="vertical" >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_marginLeft="4dp"        android:layout_marginTop="10dp"        android:text="正在下载..."        android:textColor="#000" />    <TextView        android:id="@+id/currentPos"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_marginBottom="6dp"        android:layout_marginLeft="4dp"        android:layout_marginTop="10dp"        android:textColor="#000" />    <ProgressBar        android:id="@+id/progressbar1"        style="?android:attr/progressBarStyleHorizontal"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_margin="4dp"        android:max="100"        android:progress="0" />    <Button        android:id="@+id/cancel"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_gravity="center_horizontal"        android:layout_marginTop="10dp"        android:minWidth="200dp"        android:text="取消" /></LinearLayout>

download_notification_layout.xml

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:layout_gravity="center"    android:orientation="vertical" >    <LinearLayout        android:layout_centerInParent="true"        xmlns:android="http://schemas.android.com/apk/res/android"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginLeft="3dp"        android:layout_marginRight="3dp"        android:orientation="vertical" >        <LinearLayout            xmlns:android="http://schemas.android.com/apk/res/android"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:orientation="horizontal" >            <ImageView                android:id="@+id/image"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:background="@drawable/icon" />            <LinearLayout                xmlns:android="http://schemas.android.com/apk/res/android"                android:layout_width="match_parent"                android:layout_height="wrap_content"                android:layout_marginLeft="3dp"                android:layout_marginRight="3dp"                android:orientation="vertical" >                <LinearLayout                    xmlns:android="http://schemas.android.com/apk/res/android"                    android:layout_width="match_parent"                    android:layout_height="wrap_content"                    android:layout_marginTop="2dp"                    android:orientation="horizontal" >                    <TextView                        android:id="@+id/name"                        android:layout_width="wrap_content"                        android:layout_height="wrap_content"                        android:layout_gravity="center_vertical"                        android:text="xxxx.apk"                        android:textColor="#000" />                    <TextView                        android:id="@+id/tv_progress"                        android:layout_width="wrap_content"                        android:layout_height="wrap_content"                        android:layout_gravity="center_vertical"                        android:gravity="center"                        android:minWidth="60dp"                        android:textColor="#000" />                </LinearLayout>                <ProgressBar                    android:id="@+id/progressbar"                    style="?android:attr/progressBarStyleHorizontal"                    android:layout_width="fill_parent"                    android:layout_height="wrap_content"                    android:layout_marginRight="4dp"                    android:layout_marginTop="3dp"                    android:max="100"                    android:progress="0"                    android:text="xxxx.apk" />            </LinearLayout>        </LinearLayout>    </LinearLayout></RelativeLayout>

MyApp

package com.zeng.update;import android.app.Application;public class MyApp extends Application {private boolean isDownload;@Overridepublic void onCreate() {// TODO Auto-generated method stubsuper.onCreate();isDownload = false;}public boolean isDownload() {return isDownload;}public void setDownload(boolean isDownload) {this.isDownload = isDownload;}}

Main

package com.zeng.update;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.content.Intent;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.pm.PackageManager.NameNotFoundException;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class Main extends Activity {private Button btn_check;private MyApp app;private int currentVersionCode;@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.main);app = (MyApp) getApplication();btn_check = (Button) findViewById(R.id.check);btn_check.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubPackageManager manager = Main.this.getPackageManager();try {PackageInfo info = manager.getPackageInfo(Main.this.getPackageName(), 0);String appVersion = info.versionName; // 版本名currentVersionCode = info.versionCode; // 版本号System.out.println(currentVersionCode + " " + appVersion);} catch (NameNotFoundException e) {// TODO Auto-generated catch blockde.printStackTrace();}//上面是获取manifest中的版本数据，我是使用versionCode//在从服务器获取到最新版本的versionCode,比较showUpdateDialog();}});}private void showUpdateDialog() {AlertDialog.Builder builder = new AlertDialog.Builder(this);builder.setTitle("检测到新版本");builder.setMessage("是否下载更新?");builder.setPositiveButton("下载", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stubIntent it = new Intent(Main.this, NotificationUpdateActivity.class);startActivity(it);//MapApp.isDownload = true;app.setDownload(true);}}).setNegativeButton("取消", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {// TODO Auto-generated method stub}});builder.show();}}

NotificationUpdateActivity 这个我加了一个启动模式 SingleTask

package com.zeng.update;import com.zeng.update.DownloadService.DownloadBinder;import android.app.Activity;import android.content.ComponentName;import android.content.Context;import android.content.Intent;import android.content.ServiceConnection;import android.content.SharedPreferences;import android.os.Bundle;import android.os.Handler;import android.os.IBinder;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ProgressBar;import android.widget.TextView;public class NotificationUpdateActivity extends Activity {private Button btn_cancel;// btn_update,private TextView tv_progress;private DownloadBinder binder;private boolean isBinded;private ProgressBar mProgressBar;// 获取到下载url后，直接复制给MapApp,里面的全局变量private String downloadUrl;//private boolean isDestroy = true;private MyApp app;/** Called when the activity is first created. */@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.update);app = (MyApp) getApplication();// btn_update = (Button) findViewById(R.id.update);btn_cancel = (Button) findViewById(R.id.cancel);tv_progress = (TextView) findViewById(R.id.currentPos);mProgressBar = (ProgressBar) findViewById(R.id.progressbar1);btn_cancel.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubbinder.cancel();binder.cancelNotification();finish();}});}ServiceConnection conn = new ServiceConnection() {@Overridepublic void onServiceDisconnected(ComponentName name) {// TODO Auto-generated method stubisBinded = false;}@Overridepublic void onServiceConnected(ComponentName name, IBinder service) {// TODO Auto-generated method stubbinder = (DownloadBinder) service;System.out.println("服务启动!!!");// 开始下载isBinded = true;binder.addCallback(callback);binder.start();}};@Overrideprotected void onResume() {// TODO Auto-generated method stubsuper.onResume();if (isDestroy && app.isDownload()) {Intent it = new Intent(NotificationUpdateActivity.this, DownloadService.class);startService(it);bindService(it, conn, Context.BIND_AUTO_CREATE);}System.out.println(" notification  onresume");}@Overrideprotected void onNewIntent(Intent intent) {// TODO Auto-generated method stubsuper.onNewIntent(intent);if (isDestroy && app.isDownload()) {Intent it = new Intent(NotificationUpdateActivity.this, DownloadService.class);startService(it);bindService(it, conn, Context.BIND_AUTO_CREATE);}System.out.println(" notification  onNewIntent");}@Overrideprotected void onStart() {// TODO Auto-generated method stubsuper.onStart();}@Overrideprotected void onPause() {// TODO Auto-generated method stubsuper.onPause();System.out.println(" notification  onPause");}@Overrideprotected void onStop() {// TODO Auto-generated method stubsuper.onStop();isDestroy = false;System.out.println(" notification  onStop");}@Overrideprotected void onDestroy() {super.onDestroy();if (isBinded) {System.out.println(" onDestroy   unbindservice");unbindService(conn);}if (binder != null && binder.isCanceled()) {System.out.println(" onDestroy  stopservice");Intent it = new Intent(this, DownloadService.class);stopService(it);}}private ICallbackResult callback = new ICallbackResult() {@Overridepublic void OnBackResult(Object result) {// TODO Auto-generated method stubif ("finish".equals(result)) {finish();return;}int i = (Integer) result;mProgressBar.setProgress(i);// tv_progress.setText("当前进度 =>  "+i+"%");// tv_progress.postInvalidate();mHandler.sendEmptyMessage(i);}};private Handler mHandler = new Handler() {public void handleMessage(android.os.Message msg) {tv_progress.setText("当前进度 ： " + msg.what + "%");};};public interface ICallbackResult {public void OnBackResult(Object result);}}

DownloadService

package com.zeng.update;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.util.List;import com.zeng.update.NotificationUpdateActivity.ICallbackResult;import android.app.Notification;import android.app.NotificationManager;import android.app.PendingIntent;import android.app.Service;import android.content.Context;import android.content.Intent;import android.net.Uri;import android.os.Binder;import android.os.Handler;import android.os.IBinder;import android.os.Message;import android.widget.RemoteViews;public class DownloadService extends Service {private static final int NOTIFY_ID = 0;private int progress;private NotificationManager mNotificationManager;private boolean canceled;// 返回的安装包urlprivate String apkUrl = "http://softfile.3g.qq.com:8080/msoft/179/24659/43549/qq_hd_mini_1.4.apk";// private String apkUrl = MyApp.downloadApkUrl;/* 下载包安装路径 */private static final String savePath = "/sdcard/updateApkDemo/";private static final String saveFileName = savePath + "3GQQ_AppUpdate.apk";private ICallbackResult callback;private DownloadBinder binder;private MyApp app;private boolean serviceIsDestroy = false;private Context mContext = this;private Handler mHandler = new Handler() {@Overridepublic void handleMessage(Message msg) {// TODO Auto-generated method stubsuper.handleMessage(msg);switch (msg.what) {case 0:app.setDownload(false);// 下载完毕// 取消通知mNotificationManager.cancel(NOTIFY_ID);installApk();break;case 2:app.setDownload(false);// 这里是用户界面手动取消，所以会经过activity的onDestroy();方法// 取消通知mNotificationManager.cancel(NOTIFY_ID);break;case 1:int rate = msg.arg1;app.setDownload(true);if (rate < 100) {RemoteViews contentview = mNotification.contentView;contentview.setTextViewText(R.id.tv_progress, rate + "%");contentview.setProgressBar(R.id.progressbar, 100, rate, false);} else {System.out.println("下载完毕!!!!!!!!!!!");// 下载完毕后变换通知形式mNotification.flags = Notification.FLAG_AUTO_CANCEL;mNotification.contentView = null;Intent intent = new Intent(mContext, NotificationUpdateActivity.class);// 告知已完成intent.putExtra("completed", "yes");// 更新参数,注意flags要使用FLAG_UPDATE_CURRENTPendingIntent contentIntent = PendingIntent.getActivity(mContext, 0, intent,PendingIntent.FLAG_UPDATE_CURRENT);mNotification.setLatestEventInfo(mContext, "下载完成", "文件已下载完毕", contentIntent);//serviceIsDestroy = true;stopSelf();// 停掉服务自身}mNotificationManager.notify(NOTIFY_ID, mNotification);break;}}};//// @Override// public int onStartCommand(Intent intent, int flags, int startId) {// // TODO Auto-generated method stub// return START_STICKY;// }@Overridepublic IBinder onBind(Intent intent) {// TODO Auto-generated method stubSystem.out.println("是否执行了 onBind");return binder;}@Overridepublic void onDestroy() {// TODO Auto-generated method stubsuper.onDestroy();System.out.println("downloadservice ondestroy");// 假如被销毁了，无论如何都默认取消了。app.setDownload(false);}@Overridepublic boolean onUnbind(Intent intent) {// TODO Auto-generated method stubSystem.out.println("downloadservice onUnbind");return super.onUnbind(intent);}@Overridepublic void onRebind(Intent intent) {// TODO Auto-generated method stubsuper.onRebind(intent);System.out.println("downloadservice onRebind");}@Overridepublic void onCreate() {// TODO Auto-generated method stubsuper.onCreate();binder = new DownloadBinder();mNotificationManager = (NotificationManager) getSystemService(android.content.Context.NOTIFICATION_SERVICE);setForeground(true);// 这个不确定是否有作用app = (MyApp) getApplication();}public class DownloadBinder extends Binder {public void start() {if (downLoadThread == null || !downLoadThread.isAlive()) {progress = 0;setUpNotification();new Thread() {public void run() {// 下载startDownload();};}.start();}}public void cancel() {canceled = true;}public int getProgress() {return progress;}public boolean isCanceled() {return canceled;}public boolean serviceIsDestroy() {return serviceIsDestroy;}public void cancelNotification() {mHandler.sendEmptyMessage(2);}public void addCallback(ICallbackResult callback) {DownloadService.this.callback = callback;}}private void startDownload() {// TODO Auto-generated method stubcanceled = false;downloadApk();}//Notification mNotification;// 通知栏/** * 创建通知 */private void setUpNotification() {int icon = R.drawable.icon;CharSequence tickerText = "开始下载";long when = System.currentTimeMillis();mNotification = new Notification(icon, tickerText, when);;// 放置在"正在运行"栏目中mNotification.flags = Notification.FLAG_ONGOING_EVENT;RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.download_notification_layout);contentView.setTextViewText(R.id.name, "腾讯QQ.apk 正在下载...");// 指定个性化视图mNotification.contentView = contentView;Intent intent = new Intent(this, NotificationUpdateActivity.class);// 下面两句是 在按home后，点击通知栏，返回之前activity 状态;// 有下面两句的话，假如service还在后台下载， 在点击程序图片重新进入程序时，直接到下载界面，相当于把程序MAIN 入口改了 - -// 是这么理解么。。。// intent.setAction(Intent.ACTION_MAIN);// intent.addCategory(Intent.CATEGORY_LAUNCHER);PendingIntent contentIntent = PendingIntent.getActivity(this, 0, intent,PendingIntent.FLAG_UPDATE_CURRENT);// 指定内容意图mNotification.contentIntent = contentIntent;mNotificationManager.notify(NOTIFY_ID, mNotification);}///** * 下载apk *  * @param url */private Thread downLoadThread;private void downloadApk() {downLoadThread = new Thread(mdownApkRunnable);downLoadThread.start();}/** * 安装apk *  * @param url */private void installApk() {File apkfile = new File(saveFileName);if (!apkfile.exists()) {return;}Intent i = new Intent(Intent.ACTION_VIEW);i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);i.setDataAndType(Uri.parse("file://" + apkfile.toString()), "application/vnd.android.package-archive");mContext.startActivity(i);callback.OnBackResult("finish");}private int lastRate = 0;private Runnable mdownApkRunnable = new Runnable() {@Overridepublic void run() {try {URL url = new URL(apkUrl);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.connect();int length = conn.getContentLength();InputStream is = conn.getInputStream();File file = new File(savePath);if (!file.exists()) {file.mkdirs();}String apkFile = saveFileName;File ApkFile = new File(apkFile);FileOutputStream fos = new FileOutputStream(ApkFile);int count = 0;byte buf[] = new byte[1024];do {int numread = is.read(buf);count += numread;progress = (int) (((float) count / length) * 100);// 更新进度Message msg = mHandler.obtainMessage();msg.what = 1;msg.arg1 = progress;if (progress >= lastRate + 1) {mHandler.sendMessage(msg);lastRate = progress;if (callback != null)callback.OnBackResult(progress);}if (numread <= 0) {// 下载完成通知安装mHandler.sendEmptyMessage(0);// 下载完了，cancelled也要设置canceled = true;break;}fos.write(buf, 0, numread);} while (!canceled);// 点击取消就停止下载.fos.close();is.close();} catch (MalformedURLException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}};}

参照博客

http://blog.csdn.net/liuhe688/article/details/6623924

还有些代码是另一个下载的demo的不过忘了哪下的~

源码下载

http://download.csdn.net/detail/zgf1991/5725471

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