Android Learning notes---Using service to mimic download effects

Today I learned the service, made a progress bar effect, and share with you,

To post the layout file.

1<?xml version= "1.0" encoding= "Utf-8"?>2<linearlayout xmlns:android= "Http://schemas.android.com/apk/res/android"3Xmlns:tools= "Http://schemas.android.com/tools"4Android:layout_width= "Match_parent"5android:layout_height= "Match_parent"6android:orientation= "Vertical"7tools:context= "Com.wuxianedu.serviceoractivity.MainActivity" >8 9<progressbar android:id= "@+id/jindu"TenAndroid:layout_width= "Match_parent" Oneandroid:layout_height= "Wrap_content" AStyle= "? Android:attr/progressbarstylehorizontal" -/> -<button android:id= "@+id/wo" theAndroid:layout_width= "Wrap_content" -android:layout_height= "Wrap_content" -android:text= "Click I download"/> -  +</LinearLayout>

Mainactivity.java

1  Packagecom.wuxianedu.serviceoractivity;2 3 ImportAndroid.content.ComponentName;4 Importandroid.content.Intent;5 Importandroid.content.ServiceConnection;6 ImportAndroid.os.IBinder;7 Importandroid.support.v7.app.AppCompatActivity;8 ImportAndroid.os.Bundle;9 ImportAndroid.view.View;Ten ImportAndroid.widget.ProgressBar; One ImportAndroid.widget.Toast; A  -  Public classMainactivityextendsAppcompatactivityImplementsView.onclicklistener { -     //New one Start service class the     Privateserviceconnection serviceconnection -             ; -     PrivateProgressBar Pop; -  + @Override -     protected voidonCreate (Bundle savedinstancestate) { +         Super. OnCreate (savedinstancestate); A Setcontentview (r.layout.activity_main); atPop =(ProgressBar) Findviewbyid (R.id.jindu); -Findviewbyid (R.ID.WO). Setonclicklistener ( This); -  -     } -  - @Override in      Public voidOnClick (View v) { -         Switch(V.getid ()) { to              CaseR.id.wo: +                 //New has a serviceconnection callback event, -                 if(Serviceconnection = =NULL){ theServiceconnection =Newserviceconnection () { * @Override $                          Public voidonserviceconnected (componentname name, IBinder service) {Panax Notoginseng                                     //The internal class abortion in the service as a subclass, to use the method inside -                             FinalMyservice.myhui Myhui =(Myservice.myhui) service; the                                     //parameter is new out of static interface +Myhui.startdownload (NewMyservice.onprogresschangelistener () { A @Override the                                      Public voidOnprogresschange (Final intcurrentprogress) { +                                         //assign a value to a progress bar - Pop.setmax (Myservice.max); $                                         //Multithreading $Runonuithread (NewRunnable () { - @Override -                                              Public voidrun () { the                                                 //assign a value to a progress bar - pop.setprogress (currentprogress);Wuyi                                                 //determine if the current value is greater than Max, or if it is over or downloaded, the                                                 if(Currentprogress >=Myservice.max) { -Toast.maketext (mainactivity. This, "Download done! ", Toast.length_short). Show (); Wu                                                 } -                                             } About                                         }); $  -                                     } -                                 }); -                         } A @Override +                          Public voidonservicedisconnected (componentname name) { the                            //Toast.maketext (mainactivity.this, "Download done!) ", Toast.length_short). Show (); -                         } $                     }; the                 } the                 //Start service Services theBindservice (NewIntent ( This, MyService.class), serviceconnection,bind_auto_create); the                  Break; -         } in     }; the}

Myservice.java

1  Packagecom.wuxianedu.serviceoractivity;2 3 ImportAndroid.app.Service;4 Importandroid.content.Intent;5 ImportAndroid.os.Binder;6 ImportAndroid.os.IBinder;7 Importandroid.support.annotation.Nullable;8 ImportAndroid.util.Log;9 Ten /** One * Created by Administrator on 2016/9/23. A  */ -  Public classMyServiceextendsService { -     Private intcurrentprogress; the      Public Static intMAX = 100; -  - @Nullable -     //Callback Events + @Override -      Publicibinder onbind (Intent Intent) { +         return NewMyhui (); A     } at  -     classMyhuiextendsbinder{ -  -         /*Public MyService GetService () { - return myservice.this; -         }*/ in          Public voidStartdownload (FinalOnprogresschangelistener Onprogresschangelistener) { -             NewThread (NewRunnable () { to @Override +                  Public voidrun () { -                      while(true){ theCurrentprogress + = 5; *LOG.D ("main", "==================" +currentprogress+ ""); $                         //assign values to the methods inside the interface every timePanax Notoginseng Onprogresschangelistener.onprogresschange (currentprogress); -                         Try { theThread.Sleep (1000L); +}Catch(interruptedexception e) { A e.printstacktrace (); the                         } +                         //determines whether the current value is greater than max maximum, if greater than the bounce loop -                        if(currentprogress>=MAX) { $                              Break; $                         } -                     } -                 } the }). Start (); -         }Wuyi     } the     //gets the current value -     InterfaceOnprogresschangelistener { Wu         voidOnprogresschange (intcurrentprogress); -     } About}

The code is these, the comments are written in very clear, we can see you understand

The following code is attached: tomorrow morning attached, the internet is too slow

Android Learning notes---Using service to mimic download effects