Android Update upgrade Download custom updates version

Android Update module custom update


This summary is written because of a bug in the project that is compatible with the Android system
The Android project was originally using an API-provided download methodas follows:

Downloadmanager Downloadmanager = (downloadmanager) getsystemservice (activity.download_service);D Ownloadmanager.request request = new request (Uri.parse (DL)); Request.settitle (GetString (r.string.app_name)); Request.setdestinationuri (Getdownloadname (Getintent () Getstringextra ("Version_name")); Long reference = Downloadmanager.enqueue (Request); Usersettinghelper.getinstance (). Setupgradekey (reference);

However, such as Samsung Huawei and other mobile phones its own system to remove the Google services so as to cause a crash

find the information on the Internet and change it. Finally fix the bug quickly:
1) Main activity

Package Com.example.updataapk;import Android.app.activity;import Android.content.intent;import Android.net.Uri; Import Android.os.bundle;import android.view.view;import android.view.view.onclicklistener;/** * * @author Baozi * */PU Blic class Mainactivity extends Activity {//address private String DL = "http://17shihui.cn/download/shihui.apk"; @ overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview ( R.layout.activity_main); Function_utility.setappcontext (Getapplicationcontext ()); Findviewbyid (R.id.button1). SetOnClickListener (New Onclicklistener () {@Overridepublic void OnClick (View v) {uri uri = uri.parse (DL); Intent Intent = new Intent (intent.action_ VIEW, URI); startactivity (intent);}}); Findviewbyid (R.id.button2). Setonclicklistener (New Onclicklistener () {@Overridepublic void OnClick (View v) {try { Download (DL);} catch (Exception e) {e.printstacktrace ();}}});} private void Download (String dl) throws Exception {if (Android.os.Build.VERSION.SDK_INT >= Android.os.Build.VERSION_CODES. Gingerbread) {Intent service = new Intent (this, downloadservice.class); Service.putextra (Downloadservice.intent_url, DL); StartService (service);} else {Intent Intent = new Intent (Intent.action_view, Uri.parse (DL)); startactivity (Intent);}}}

2) Download module

Package Com.example.updataapk;import Java.io.file;import Java.io.fileoutputstream;import java.io.InputStream; Import Java.net.httpurlconnection;import Java.net.url;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.Handler;import Android.os.ibinder;import Android.os.message;import Android.util.log;import Android.widget.remoteviews;public Class Downloadservice extends Service {//Notification name private String notify_name = "apk downloading ...";p ublic static final Str ing intent_url = "URL";p rivate Context mcontext = this; Notification mnotification;private static final int notify_id = 0;private Notificationmanager mnotificationmanager;/* Download package installation path */private static final String savepath = Function_utility.getupgradepath ();p rivate static final string Savefilena me = Savepath + "demo.apk";p rivate String apkurl;private int PROgress;boolean canceled;private Thread downloadthread; @Overridepublic ibinder onbind (Intent Intent) {return null;} @Overridepublic void OnCreate () {super.oncreate (); Mnotificationmanager = (Notificationmanager) getsystemservice ( Android.content.Context.NOTIFICATION_SERVICE);}  public int Onstartcommand (Intent Intent, int flags, int startid) {log.i ("Downloadservice", "intent=" + intent.tostring () +           " ;    Flags= "+ Flags +"; Startid "+ Startid)" if (Intent.hasextra (Downloadservice.intent_url)) {Apkurl = (String) Intent.getextras (). Get ( Downloadservice.intent_url);} progress = 0;setupnotification (); new Thread () {public void run () {//Start download startdownload ();};}. Start (); return startid;}; private void Startdownload () {canceled = false;downloadapk ();} Private Handler Mhandler = new Handler () {@Overridepublic void Handlemessage (Message msg) {super.handlemessage (msg); Switch (msg.what) {case 0://Download complete//Cancel notification mnotificationmanager.cancel (notify_id); installapk (); Break;case 2:// This is a manual cancellation of the user interface, so it passes the ActIvity OnDestroy (); method//Cancel Notification mnotificationmanager.cancel (notify_id); break;case 1:int rate = msg.arg1;if (Rate < 100) { Remoteviews Contentview = Mnotification.contentview;contentview.settextviewtext (R.id.tv_progress, rate + "%"); Contentview.setprogressbar (R.id.progressbar, +, rate, false);} else {//after downloading the change notification form mnotification.flags = Notification.flag_auto_cancel;mnotification.contentview = null; Mnotification.setlatesteventinfo (Mcontext, "Download Done", "file downloaded", null); Stopself ();//stop service itself}pendingintent ContentIntent2 = Pendingintent.getactivity (Getapplicationcontext (), 0, New Intent (), Pendingintent.flag_update_ current); mnotification.contentintent = Contentintent2;mnotificationmanager.notify (notify_id, mNotification); ; case 3:mnotification.flags = Notification.flag_auto_cancel; Remoteviews Contentview = new Remoteviews (Getpackagename (), r.layout.update_download_notification_layout); Contentview.settextviewtext (r.id.name, "Download Failed");//Specify personalization View Mnotification.contentview = contentview;intent inteNT = new Intent (Getapplicationcontext (), mainactivity.class); Pendingintent contentintent = pendingintent.getactivity (Getapplicationcontext (), 0, intent, pendingintent.flag_ update_current);//specify content Intent Mnotification.contentintent = contentintent;mnotificationmanager.notify (NOTIFY_ID, mnotification); stopself ();//stop service itself break;}}};/ * * Install apk * * @param url */private void installapk () {File apkfile = new File (savefilename); if (!apkfile.exists ()) {Retu RN;} 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);} private int lastrate = 0;private InputStream is = null;private FileOutputStream fos = null;/** * Download apk * * @param URL */p rivate void downloadapk () {downloadthread = new Thread (mdownapkrunnable);d Ownloadthread.start ();} 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 (); is = Conn.getinputstream (); File File = new file (Savepath), if (!file.exists ()) {file.mkdirs ();} String apkfile = savefilename; File Apkfile = new file (apkfile); fos = new FileOutputStream (apkfile); int count = 0;byte buf[] = new byte[1024];d o {int num Read = Is.read (BUF); count + = Numread;progress = (int) (((float) count/length) * 100);//update progress message msg = Mhandler.obtai Nmessage (); msg.what = 1;msg.arg1 = progress;if (Progress >= lastrate + 1) {mhandler.sendmessage (msg); lastrate = Progres s;} if (numread <= 0) {mhandler.sendemptymessage (0);//download complete notification installation//download finished, cancelled also set canceled = True;break;} Fos.write (buf, 0, numread);} while (!canceled);//Click Cancel to stop the download. LOG.I ("Downloadservice----------Canceled", Canceled + ""); Fos.close (); Is.close ();} catch (Exception e) {Message msg = Mhandler.obtainmessage (); msg.what = 3;mhandler.sendmessage (msg); E.printstacktrace () ;} Finally {try {if (FOS!= null) {Fos.close ();} Is.close (); if (is = = null) {Is.close ();}} catch (Exception e) {e.printstacktrace ();}}}};/ * * Create notification */private void Setupnotification () {int icon = R.drawable.ic_launcher; Charsequence tickertext = "Start download"; Long when = System.currenttimemillis (); mnotification = new Notification (icon, Tickertext, when);; /placed in "running" column mnotification.flags = notification.flag_ongoing_event; Remoteviews Contentview = new Remoteviews (Getpackagename (), r.layout.update_download_notification_layout); Contentview.settextviewtext (R.id.name, notify_name);//Specify personalization view Mnotification.contentview = Contentview; Pendingintent contentintent = pendingintent.getactivity (this, 0, New Intent (), pendingintent.flag_update_current);// Specify content Intent Mnotification.contentintent = contentintent;mnotificationmanager.notify (notify_id, mNotification);}}

3) Download the address to your phone

Package Com.example.updataapk;import Java.io.file;import Java.io.ioexception;import Android.annotation.suppresslint;import android.content.context;import android.os.Environment; @SuppressWarnings (" Deprecation ") @SuppressLint ({" Defaultlocale "," SimpleDateFormat "}) public class Function_utility {private static Context mappcontext;public static void Setappcontext (context context) {Mappcontext = context;} public static Context Getappcontext () {return mappcontext;} /** * Download to SD card address */public static string Getupgradepath () {String filePath = Getapprootpath () + "/upgrade/"; File File = new file (FilePath), if (!file.isdirectory ()) {file.mkdirs ();} File = Null;return FilePath;} public static string Getapprootpath () {String filePath = "/weimicommunity"; if (Environment.getexternalstoragestate (). Equals (environment.media_mounted)) {FilePath = Environment.getexternalstoragedirectory () + FilePath;} else {FilePath = Getappcontext (). Getcachedir () + FilePath;} File File = new file (FilePath); if (!file.exists ()) {fiLe.mkdirs ();} FILE = null; File Nomedia = new file (FilePath + "/.nomedia"), if (!nomedia.exists ()) try {nomedia.createnewfile ();} catch (IOException E ) {e.printstacktrace ();} return filePath;}}

4) Androidmanifest.xml

<?xml version= "1.0" encoding= "Utf-8"? ><manifest xmlns:android= "http://schemas.android.com/apk/res/        Android "package=" com.example.updataapk "android:versioncode=" 1 "android:versionname=" 1.0 "> <uses-sdk android:minsdkversion= "8" android:targetsdkversion= "/> <uses-permission android:name=" android.pe Rmission. INTERNET "/> <uses-permission android:name=" Android.permission.WRITE_EXTERNAL_STORAGE "/> <uses-permiss         Ion Android:name= "Android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/> <application android:allowbackup= "true" android:icon= "@drawable/ic_launcher" android:label= "@string/app_name" android:theme= "@style/apptheme "> <activity android:name=" com.example.updataapk.MainActivity "android:label=" @string/                App_name "> <intent-filter> <action android:name=" Android.intent.action.MAIN "/> <category andRoid:name= "Android.intent.category.LAUNCHER"/> </intent-filter> </activity> <s Ervice android:name= "Com.example.updataapk.DownloadService" > </service> </application></manif Est>

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automatic installation After download is complete

Android Update upgrade Download custom updates version