Android Internal Storage Install APK file implementation

<span id="Label3"></p>At present, the domestic market is rampant, Android phone upgrade is a one-day, for the original old phone may not sdcard, resulting in our app can not download resources, can not update the app, for this situation has the following solutions.<br>Use the following function to determine if there is an SD card and then determine which directory to Download.<p><p></p></p><pre class="brush:objc;gutter:true;">/** * Install application */public static void update (File apkfile, context Context) {Intent Intent = new Intent (intent.action_view); if ( Apkfile = null && apkfile.exists ()) {chmod (apkfile.getabsolutepath ());//authorization intent.setdataandtype ( Uri.fromfile (apkfile), "application/vnd.android.package-archive"); intent.setflags (intent.flag_activity_new_task ); context.startactivity (intent);} else {mlog.maketext ("installation failed, installation File not found");}} public static void chmod (string pathc) {string chmodcmd = "chmod 666" + pathc;try {runtime.getruntime (). exec (chmodcmd);} Catch (Exception e) {e.printstacktrace ();}} public static Boolean ismounted () {return environment.getexternalstoragestate (). equals (environment.media_mounted);} /** * The location where the initial file can be stored * @param context */public static void init (context Context) {fileutil.context = context; StringBuffer buffer = new StringBuffer (); String PName = context.getpackagename (); if (tools.ismounted ()) {buffer.append ( Environment.getexternalstoragedirectory (). getabsolutepath ()); buffer.append (file.separator); buffer.append (pName); filedir = buffer.tostring ();} else {buffer.append (context.getfilesdir (). getabsolutepath ()); buffer.append (file.separator); buffer.append (pName) ; filedir = buffer.tostring ();} File File = new file (filedir), if (!file.exists ()) file.mkdir ();}</pre><p><p>　　</p></p><p><p></p></p> <ul> <ul> <li>This article fixed link: http://www.ithtw.com/910.html</li> <li>Reprint please specify: Leehom January 22, 2015 in it 100,000 why published</li> </ul> </ul><p><p>Android Internal Storage Install APK file implementation</p></p></span>