Android login Blocker implementation method (II)

The second way is the main idea is to start a dedicated waiting for the results of the thread, in the process of landing in a suspended state, after the landing of the results by other threads to wake up the waiting thread, continue to work before .

Take the time to write a simple class to achieve the above way Logonrequiretask, later to expand and repair.

Use the code like the following, directly using the Execute method to do what you want to do, you can jump to the personal information page, can be a collection function, so the processing is very simple and clear. But don't forget to call logonrequiretask.loginended () when the login logic is complete.

New Logonrequiretask () {@Overridepublic Boolean logon () {return logon;//utils.islogin ()} @Overridepublic void Onlogout ( {//TODO auto-generated method Stub}}.execute (new Runnable () {@Overridepublic void run () {//when login Ok,go On//startac Tivity or do other things}});

It is recommended to change the runnable to static and weak references to the context to prevent memory problems.

The following is the entire code of Logonrequiretask, landing running status hangs thread, wake up after landing.

package com.idroid.requirement;import java.util.concurrent.callable;import  java.util.concurrent.executionexception;import java.util.concurrent.executor;import  java.util.concurrent.executors;import java.util.concurrent.futuretask;import android.os.handler; Public abstract class logonrequiretask {private static volatile executor  sdefaultexecutor = executors.newsinglethreadexecutor ();p Rivate final static int  sDefaultWaitLong = 5 * 60 * 1000;private static final  Handler shandler = new handler ();p rivate volatile status mstatus =  status.idle;public enum status {running, idle,}public abstract boolean  logon ();/** *  skip to Page  */public abstract void onlogout ();p ublic  when not logged in Static void loginended ()  {synchronized  (Shandler) &NBsp {Shandler.notifyall ();}} Public void setstatus (Status status)  {mstatus = status;} Public final void execute (Runnable r)  {         if  (logon ())  {shandler.post (R); return;} if  (mstatus != status.running) onlogout ();mstatus = status.running;final  Workercallable callable = new workercallable ()  {@Overridepublic  Boolean  Call ()  throws Exception {if  (logon ()) return true;if  (mstatus ==  Status.idle) return false; Process.setthreadpriority (Process.thread_priority_background);synchronized  (SHandler)  {sHandler.wait (Sdefaultwaitlong); Mstatus = status.idle;return logon ();}}; Futuretask<boolean> future = new futuretask<boolean> (callable)  {@ Overrideprotected void done () &NBSP;{TRY&NBSP;{FINAL&NBSP;BOOLEAN&NBSP;RESULT&NBSP;=&NBsp;get ();if  (Result)  {shandler.post (callable.runnable);}  else {shandler.removecallbacksandmessages (null);}}  catch  (interruptedexception e)  {e.printstacktrace ();}  catch  (executionexception e)  {e.printstacktrace ();}  catch  (nullpointerexception e)  {e.printstacktrace ();}}; Callable.runnable = r;sdefaultexecutor.execute (future);} Private static abstract class workercallable implements callable<boolean>  {runnable runnable;}}

This article is from the "Android Pool" blog, so be sure to keep this source http://yeerik.blog.51cto.com/10547727/1682053

Android login Blocker implementation method (II)