Android version detection \ automatic update (to others)

Android version detection \ automatic update

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