Android App Upgrade module parsing

A total of one class is used:

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Assuming that the current version is 1th, you receive the update notification for version 2nd through requests to the background. Code such as:

Package com.example.ex_templete;

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.net.URLConnection;

Import Android.net.Uri;

Import Android.os.AsyncTask;

Import Android.os.Bundle;

Import android.os.Environment;

Import android.app.Activity;

Import Android.app.AlertDialog;

Import android.app.Notification;

Import Android.app.NotificationManager;

Import android.app.PendingIntent;

Import Android.content.Context;

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.support.v4.app.NotificationCompat;

Import Android.view.Menu;

Import Android.view.View;

Import Android.widget.RemoteViews;

public class Mainactivity extends Activity {

private static final String Path_apk_upgroup = Environment.getexternalstoragedirectory ()

+ "/myapp/download/myapp.apk";

private static final int notify_id = 1234;

Private Remoteviews remoteviews;

Private Notification Notification;

Private Notificationmanager Manager;

private int fileLen;

@Override

protected void OnCreate (Bundle savedinstancestate) {

Super.oncreate (savedinstancestate);

Setcontentview (R.layout.activity_main);

AutoUpgrade ();

}

private void AutoUpgrade () {

//Get the current app version number

int VC = Getversioncode ();

/* Usually each time you open the app will request a version number in the background, if it is the same as the current version, do not remind, if larger than the current version, prompt upgrade */

int NEWVC = 2;//assumes that the version obtained from the background is version 2nd, greater than the current version

Final String Apkurl = "http://meishipic.qiniudn.com/2010052615045178.jpg";//apk, take a picture instead

String apkmessage = "1, added xxx \n2, modified xxx"; New features added

if (VC < NEWVC)

{

New Alertdialog.builder (this). Settitle ("Update Upgrade")

. Setmessage (Apkmessage)

. Setpositivebutton ("Upgrade", new Dialoginterface.onclicklistener () {

@Override

public void OnClick (Dialoginterface dialog, int which) {

Upgrade

New MyTask (). Execute (apkurl);

}

}). Setnegativebutton ("Cancel", null). Create (). Show ();

}

}

Class MyTask extends Asynctask<string, Integer, boolean>

{

@Override

protected void OnPreExecute () {

Super.onpreexecute ();

//notification

Shownotifi ();

}

@Override

Protected Boolean doinbackground (String ... params) {

Download apk

InputStream is = null;

FileOutputStream fos = null;

try {

URL url = new URL (params[0]);

HttpURLConnection openconnection = (httpurlconnection) url.openconnection ();

FileLen = Openconnection.getcontentlength ();//Get file length

int responsecode = Openconnection.getresponsecode ();

if (responsecode! = HTTPURLCONNECTION.HTTP_OK)

{

Tips

return null;

}

Determine if a file path exists

File file =new file (path_apk_upgroup);

if (!file.getparentfile (). exists ())

{

File.getparentfile (). Mkdirs ();

}

is = Openconnection.getinputstream ();

int len = 0;

byte[] buffer = new byte[1024];

Downloaded size

int loadlen = 0;

FOS = new FileOutputStream (path_apk_upgroup);

int num = 1;

while ( -1! = (len = is.read (buffer)))

{

thread.sleep (100);

Fos.write (buffer, 0, Len);

Loadlen + = Len;

if (Loadlen *100/filelen >= 1*num)

{

num++;

Publishprogress (Loadlen);

}

}

Fos.flush ();

} catch (Malformedurlexception e) {

TODO auto-generated Catch block

E.printstacktrace ();

} catch (IOException e) {

TODO auto-generated Catch block

E.printstacktrace ();

}

finally{

if (is = null)

{

try {

Is.close ();

} catch (IOException e) {

TODO auto-generated Catch block

E.printstacktrace ();

}

}

if (fos! = null)

{

try {

Fos.close ();

} catch (IOException e) {

TODO auto-generated Catch block

E.printstacktrace ();

}

}

}

return null;

}

@Override

protected void Onprogressupdate (Integer ... values) {

Super.onprogressupdate (values);

Update notifications

int len = values[0];

Notification.contentView.setTextViewText (R.ID.TV12, "updated" + Len*100/filelen + "%");

Notification.contentView.setProgressBar (R.id.progressbar1, FileLen, Len, false);

Manager.notify (notify_id, notification);

}

@Override

protected void OnPostExecute (Boolean result) {

Super.onpostexecute (result);

Perfect Notice

Setting up a click notification installation

Intent Intent = new Intent (Intent.

Action_view);

Intent.setdataandtype (Uri.parse ("file://" +

Path_apk_upgroup),

"Application/vnd.android."

+ "package-archive");

Notification.contentView.setTextViewText (R.ID.TV12, "Update complete, click Install");

Notification.contentView.setViewVisibility (R.id.progressbar1, View.gone);

Pendingintent IC = pendingintent.getactivity (mainactivity.this, 0, intent, 0);

notification.contentintent = IC;

Manager.notify (notify_id, notification);

startactivity (intent);

}

}

private int Getversioncode () {

Packagemanager manager = Getpackagemanager ();

try {

PackageInfo PackageInfo =

Manager.getpackageinfo (Getpackagename (), 0);

return packageinfo.versioncode;

} catch (Namenotfoundexception e) {

TODO auto-generated Catch block

E.printstacktrace ();

}

return 0;

}

public void Shownotifi () {

Manager = (Notificationmanager) getsystemservice (Context.notification_service);

Intent Intent = new Intent ();

Intent.setclass (this, mainactivity.class);//Click Settings to jump to the page

Pendingintent contentintent = pendingintent.getactivity (this, 0,

Intent, 0);

Remoteviews = new

Remoteviews (Getpackagename (), r.layout.notification);

notification =

New Notificationcompat.builder (This)

. Setsmallicon (R.drawable.ic_launcher). Setcontenttitle ("notice")

. Setticker ("Heading 1"). SetContent (Remoteviews). Setcontenttext ("Content 1")

. Setwhen (System.currenttimemillis ())

. Setcontentintent (Contentintent).

Build ();

Manager.notify (notify_id, notification);

}

}

This enables the app to check the version prompt for updates. Don't miss the privilege.

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Android App Upgrade module parsing