Android version automatic detection update Version Detection automatic update Automatic Installation

Import Java. io. file; </P> <p> Import Java. io. fileoutputstream; </P> <p> Import Java. io. ioexception; </P> <p> Import Java. io. inputstream; </P> <p> Import Org. apache. HTTP. httpentity; <br/> Import Org. apache. HTTP. httpresponse; <br/> Import Org. apache. HTTP. client. clientprotocolexception; <br/> Import Org. apache. HTTP. client. httpclient; <br/> Import Org. apache. HTTP. client. methods. httpget; <br/> Import Org. apache. HTTP. Impl. client. defaulthttpclient; </P> <p> Import android. app. alertdialog; <br/> Import android. app. dialog; <br/> Import android. app. progressdialog; <br/> Import android. content. dialoginterface; <br/> Import android. content. intent; <br/> Import android.net. uri; <br/> Import android. OS. bundle; <br/> Import android. OS. environment; <br/> Import android. OS. handler; </P> <p> public class update extends activity {<br /> Public progressdialog pbar; <br/> private handler = new handler (); </P> <p> @ override <br/> protected void oncreate (bundle savedinstancestate) {<br/> super. oncreate (savedinstancestate); <br/> setcontentview (R. layout. update); <br/> dialog = new alertdialog. builder (update. this ). settitle ("system update") <br/>. setmessage ("new version found. Please update it! ") // Set content <br/>. setpositivebutton ("OK", // set the OK button <br/> New dialoginterface. onclicklistener () {</P> <p> @ override <br/> Public void onclick (dialoginterface dialog, <br/> int which) {<br/> pbar = new progressdialog (update. this); <br/> pbar. settitle ("downloading"); <br/> pbar. setmessage ("Please wait... "); <br/> pbar <br/>. setprogressstyle (progressdialog. style_spinner); <br/> downfile ("http: // URL: 8765/oa.apk"); </ P> <p >}</P> <p> }). setnegativebutton ("cancel", <br/> New dialoginterface. onclicklistener () {<br/> Public void onclick (dialoginterface dialog, <br/> int whichbutton) {<br/> // click "cancel" to exit the Program </P> <p >}< br/> }). create (); // create <br/> // display dialog box <br/> dialog. show (); </P> <p >}</P> <p> void downfile (final string URL) {<br/> pbar. show (); <br/> New thread () {<br/> Public void run () {<br/> httpclient Client = New defaulthttpclient (); <br/> // Params [0] indicates the connected URL <br/> httpget get = new httpget (URL); <br/> httpresponse response; <br/> try {<br/> response = client.exe cute (get); <br/> httpentity entity = response. getentity (); <br/> long length = entity. getcontentlength (); <br/> inputstream is = entity. getcontent (); <br/> fileoutputstream = NULL; <br/> If (is! = NULL) {</P> <p> file = new file (Environment <br/>. getexternalstoragedirectory (), "oa.apk"); <br/> fileoutputstream = new fileoutputstream (File); </P> <p> byte [] Buf = new byte [1024]; <br/> int CH =-1; <br/> int COUNT = 0; <br/> while (CH = is. read (BUF ))! =-1) {<br/> // baos. write (BUF, 0, CH); <br/> fileoutputstream. write (BUF, 0, CH); <br/> count + = CH; <br/> If (length> 0) {</P> <p >}< br/> fileoutputstream. flush (); <br/> If (fileoutputstream! = NULL) {<br/> fileoutputstream. close (); <br/>}< br/> down (); <br/>} catch (clientprotocolexception E) {<br/> // todo auto-generated Catch Block <br/> E. printstacktrace (); <br/>} catch (ioexception e) {<br/> // todo auto-generated Catch Block <br/> E. printstacktrace (); <br/>}</P> <p> }. start (); </P> <p >}</P> <p> void down () {<br/> handler. post (New runnable () {<br/> Public void run () {<br/> pbar. cancel (); <br/> Update (); <br/>}< br/>}); <br/>}</P> <p> void Update () {</P> <p> intent = new intent (intent. action_view); <br/> intent. setdataandtype (URI. fromfile (new file ("/sdcard/oa.apk"), <br/> "application/vnd. android. package-Archive "); <br/> startactivity (intent); <br/>}< br/>

 

 

An android tool class used in the past, Version Detection and automatic update. Poor versatility, right to take notes.

 

Package COM. hiyo. game. PDK. tool; <br/> Import Java. io. file; <br/> Import Java. io. fileoutputstream; <br/> Import Java. io. inputstream; <br/> Import java.net. URL; <br/> Import java.net. urlconnection; <br/> Import android. app. activity; <br/> Import android. app. alertdialog; <br/> Import android. app. progressdialog; <br/> Import android. content. context; <br/> Import android. content. dialoginterface; <br/> I Mport android. content. intent; <br/> Import android. content. PM. packageinfo; <br/> Import android. content. PM. packagemanager. namenotfoundexception; <br/> Import android.net. connectivitymanager; <br/> Import android.net. networkinfo; <br/> Import android.net. uri; <br/> Import android. util. log; <br/> Import android. webKit. urlutil; <br/> Import COM. hiyo. game. PDK. activity. r; <br/>/** <br/> * Android auto Update. <br/> * lazybone/2010.08.20 <br/> * 1.set apkurl. <br/> * 2. check (). <br/> * 3.add delfile () method in resume ()/onpause (). <br/> */<br/> public class myautoupdate {<br/> public activity = NULL; <br/> Public int versioncode = 0; <br/> Public String versionname = ""; <br/> Private Static final string tag = "AutoUpdate"; <br/> private string currentf Ilepath = ""; <br/> private string currenttempfilepath = ""; <br/> private string fileex = ""; <br/> private string filena = ""; <br/> private string strurl = "http: // 127.0.0.1: 81/apidemos.apk"; <br/> private progressdialog dialog; <br/> Public myautoupdate (activity) {<br/> This. activity = activity; <br/> getcurrentversion (); <br/>}< br/> Public void check () {<br/> If (isnetworkavailab Le (this. activity) = false) {<br/> return; <br/>}< br/> If (true) {// check version. <br/> showupdatedialog (); <br/>}< br/> Public static Boolean isnetworkavailable (context CTX) {<br/> try {<br/> connectivitymanager CM = (connectivitymanager) CTX <br/>. getsystemservice (context. connectivity_service); <br/> networkinfo info = cm. getactivenetworkinfo (); <br/> return (info! = NULL & info. isconnected (); <br/>}catch (exception e) {<br/> E. printstacktrace (); <br/> return false; <br/>}< br/> Public void showupdatedialog () {<br/> @ suppresswarnings ("UNUSED") <br/> alertdialog Alert = new alertdialog. builder (this. activity) <br/>. settitle ("title") <br/>. seticon (R. drawable. icon) <br/>. setmessage ("Update or not? ") <Br/>. setpositivebutton ("Update", <br/> New dialoginterface. onclicklistener () {<br/> Public void onclick (dialoginterface dialog, <br/> int which) {<br/> downloadthefile (strurl); <br/> showwaitdialog (); <br/>}< br/>}) <br/>. setnegativebutton ("cancel", <br/> New dialoginterface. onclicklistener () {<br/> Public void onclick (dialoginterface dialog, <br/> int which) {<br/> dialog. cancel (); <br />}< Br/> }). show (); <br/>}< br/> Public void showwaitdialog () {<br/> dialog = new progressdialog (activity); <br/> dialog. setmessage ("waitting for update... "); <br/> dialog. setindeterminate (true); <br/> dialog. setcancelable (true); <br/> dialog. show (); <br/>}< br/> Public void getcurrentversion () {<br/> try {<br/> packageinfo = activity. getpackagemanager (). getpackageinfo (<br/> activity. Getpackagename (), 0); <br/> This. versioncode = info. versioncode; <br/> This. versionname = info. versionname; <br/>}catch (namenotfoundexception e) {<br/> E. printstacktrace (); <br/>}< br/> private void downloadthefile (final string strpath) {<br/> fileex = strurl. substring (strurl. lastindexof (". ") + 1, strurl. length () <br/>. tolowercase (); <br/> filena = strurl. substring (strurl. lastindex Of ("/") + 1, <br/> strurl. lastindexof (". "); <br/> try {<br/> If (strpath. equals (currentfilepath) {<br/> dodownloadthefile (strpath); <br/>}< br/> currentfilepath = strpath; <br/> runnable r = new runnable () {<br/> Public void run () {<br/> try {<br/> dodownloadthefile (strpath); <br/>} catch (exception E) {<br/> log. E (TAG, E. getmessage (), e); <br/>}< br/>}; <br/> New thread (R ). sta RT (); <br/>}catch (exception e) {<br/> E. printstacktrace (); <br/>}< br/> private void dodownloadthefile (string strpath) throws exception {<br/> log. I (TAG, "getdatasource ()"); <br/> If (! Urlutil. isnetworkurl (strpath) {<br/> log. I (TAG, "getdatasource () It's a wrong URL! "); <Br/>}else {<br/> URL myurl = new URL (strpath); <br/> urlconnection conn = myurl. openconnection (); <br/> Conn. connect (); <br/> inputstream is = Conn. getinputstream (); <br/> If (is = NULL) {<br/> throw new runtimeexception ("stream is null "); <br/>}< br/> file mytempfile = file. createtempfile (filena ,". "+ fileex); <br/> currenttempfilepath = mytempfile. getabsolutepath (); <br/> fileoutputstream Fos = new fileoutputstream (mytempfile); <br/> byte Buf [] = new byte [128]; <br/> do {<br/> int numread = is. read (BUF); <br/> If (numread <= 0) {<br/> break; <br/>}< br/> FOS. write (BUF, 0, numread); <br/>}while (true); <br/> log. I (TAG, "getdatasource () download OK... "); <br/> dialog. cancel (); <br/> dialog. dismiss (); <br/> openfile (mytempfile); <br/> try {<br/> is. close (); <br/>}catch (exception ex) {<br/> log. E (TAG, "getdatasource () error:" + ex. getmessage (), Ex); <br/>}< br/> private void openfile (file F) {<br/> intent = new intent (); <br/> intent. addflags (intent. flag_activity_new_task); <br/> intent. setaction (Android. content. intent. action_view); <br/> string type = getmimetype (f); <br/> intent. setdataandtype (URI. fromfile (F), type); <br/> activity. startactivity (intent); <br/>}< br/> Public void delfile () {<br/> log. I (TAG, "The tempfile (" + currenttempfilepath + ") was deleted. "); <br/> file myfile = new file (currenttempfilepath); <br/> If (myfile. exists () {<br/> myfile. delete (); <br/>}< br/> private string getmimetype (file F) {<br/> string type = ""; <br/> string fname = f. getname (); <br/> string end = fname <br/>. substring (fname. lastindexof (". ") + 1, fname. length () <br/>. tolowercase (); <br/> If (end. equals ("m4a") | end. equals ("MP3") | end. equals ("mid") <br/> | end. equals ("xmf") | end. equals ("Ogg") | end. equals ("WAV") {<br/> type = "audio"; <br/>}else if (end. equals ("3GP") | end. equals ("MP4") {<br/> type = "video"; <br/>}else if (end. equals ("jpg") | end. equals ("GIF") | end. equals ("PNG") <br/> | end. equals ("Jpeg") | end. equals ("BMP") {<br/> type = "image"; <br/>}else if (end. equals ("APK") {<br/> type = "application/vnd. android. package-Archive "; <br/>}else {<br/> type =" * "; <br/>}< br/> If (end. equals ("APK") {<br/>} else {<br/> type + = "/*"; <br/>}< br/> return type; <br/>}< br/>}

 

// Obtain the package name and version: </P> <p> packagemanager manager = activity. getpackagemanager (); </P> <p> packageinfo info = manager. getpackageinfo (activity. getpackagename (), 0); </P> <p> packagename = info. packagename; </P> <p> versionname = info. versionname; <br/> // obtain the server version comparison here </P> <p> // download the APK to the local package_save_path </P> <p> // install the application <br/> intent = new intent (intent. action_view); </P> <p> intent. addflags (intent. flag_activity_new_task); </P> <p> intent. setdataandtype (URI. parse ("file: //" + package_save_path), </P> <p> "application/vnd. android. package-Archive "); </P> <p> activity. startactivity (intent );