Android Progress Bar Learning A

Dolengthywork.java

 Packagetw.android;ImportJava.util.Calendar;ImportAndroid.os.Handler;ImportAndroid.widget.ProgressBar; Public classDolengthyworkextendsThread {PrivateHandler Mhandler;//Object Mhandler The work used to run the post update ProgressBar    PrivateProgressBar Mprobar;//This object is used to store the ProgressBar to be used for processing.//used to read the loop of the system time and continue post update ProgressBar work.      Public voidrun () {Calendar begin= Calendar.getinstance ();//time to read the system         Do{Calendar now=calendar.getinstance (); Final intidiffsec = * (Now.get (Calendar.minute)-Begin.get (Calendar.minute)) +now.get (Calendar.second)-Begin.get (Calendar.second); if(IDIFFSEC * 2 > 100) {Mhandler.post (NewRunnable () { Public voidrun () {mprobar.setprogress (100);                                }                });  Break; } mhandler.post (NewRunnable () { Public voidrun () {mprobar.setprogress (idiffsec* 2);                        }            }); if(IDIFFSEC * 4 < 100) Mhandler.post (NewRunnable () { Public voidrun () {mprobar.setsecondaryprogress (idiffsec* 4);            }                }); ElseMhandler.post (NewRunnable () { Public voidrun () {mprobar.setsecondaryprogress (100);        }                }); }  while(true); }        voidSetprogressbar (ProgressBar probar) {Mprobar=Probar; }        voidSetHandler (Handler h) {Mhandler=h; }}

Main.java

 Packagetw.android;Importandroid.app.Activity;ImportAndroid.os.Bundle;ImportAndroid.os.Handler;ImportAndroid.widget.ProgressBar; Public classMainextendsActivity {PrivateHandler Mhandler =NewHandler (); /**Called when the activity is first created.*/@Override Public voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);                Setcontentview (R.layout.main);    Setupviewcomponent (); }        Private voidsetupviewcomponent () {//getting interface elements from the resource category R        FinalProgressBar Probar =(ProgressBar) Findviewbyid (R.ID.PROBAR2); Dolengthywork Work=Newdolengthywork ();        Work.sethandler (Mhandler);        Work.setprogressbar (Probar);    Work.start (); }}

A handler object is created in Mina.java, and two objects are set within setupviewcomponent ().

Android Progress Bar Learning A