android--Analog File copy

Analog file copy:
Requirements: To use ProgressDialog and sub-threads to simulate the progress of the copy, after the completion of the main interface prompt copy is completed, respectively, using the normal mode and message mechanism.

Layout file:

1 <?XML version= "1.0" encoding= "Utf-8"?>2 <LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"3 Xmlns:tools= "Http://schemas.android.com/tools"4 Android:layout_width= "Match_parent"5 Android:layout_height= "Match_parent"6 Android:paddingbottom= "@dimen/activity_vertical_margin"7 Android:paddingleft= "@dimen/activity_horizontal_margin"8 Android:paddingright= "@dimen/activity_horizontal_margin"9 Android:paddingtop= "@dimen/activity_vertical_margin"Ten Tools:context= "Com.hanqi.testapp2.PractiseActivity6" One android:orientation= "vertical"> A  -     <Button -     Android:layout_width= "Match_parent" the Android:layout_height= "Wrap_content" - Android:text= "File copy __ normal way" - Android:onclick= "Bt_kaobei1"/> -     <Button +         Android:layout_width= "Match_parent" - Android:layout_height= "Wrap_content" + Android:text= "File copy __ message mechanism" A Android:onclick= "Bt_kaobei2"/> at </LinearLayout>

Java class:

1  Packagecom.hanqi.testapp2;2 3 ImportAndroid.app.ProgressDialog;4 ImportAndroid.os.Bundle;5 ImportAndroid.os.Handler;6 ImportAndroid.os.Message;7 Importandroid.support.v7.app.AppCompatActivity;8 ImportAndroid.view.View;9 ImportAndroid.widget.Toast;Ten  One  Public classPractiseActivity6extendsappcompatactivity { A  - @Override -     protected voidonCreate (Bundle savedinstancestate) { the         Super. OnCreate (savedinstancestate); - Setcontentview (R.LAYOUT.ACTIVITY_PRACTISE6); -     } -      Public voidBt_kaobei1 (View v) +     { -         FinalProgressDialog ProgressDialog =NewProgressDialog ( This); +Progressdialog.settitle ("File copy"); AProgressdialog.setmessage ("In copy, please wait ..."); at Progressdialog.setprogressstyle (progressdialog.style_horizontal); -Progressdialog.setcancelable (false); - progressdialog.show (); -         NewThread () { - @Override -              Public voidrun () { in                  for(inti=0;i<=100;i++) -                 { to progressdialog.setprogress (i); +                     Try { -Thread.Sleep (3000); the                     } *                     Catch(Exception e) $                     {Panax Notoginseng  -                     } the                 } +Runonuithread (NewRunnable () { A @Override the                      Public voidrun () { +  -Toast.maketext (PractiseActivity6. This, "File copy Complete", Toast.length_short). Show (); $                     } $                 }); - Progressdialog.dismiss (); -             } the }.start (); -     }WuyiHandler h =NewHandler () { the @Override -          Public voidhandlemessage (Message msg) { Wu             Super. Handlemessage (msg); -             if(Msg.what ==1) About             { $                 FinalProgressDialog ProgressDialog =NewProgressDialog (PractiseActivity6. This); -Progressdialog.settitle ("File copy"); -Progressdialog.setmessage ("In copy, please wait ..."); - Progressdialog.setprogressstyle (progressdialog.style_horizontal); AProgressdialog.setcancelable (false); + progressdialog.show (); the                 NewThread () { - @Override $                      Public voidrun () { the                          for(inti=0;i<=100;i++) the                         { the progressdialog.setprogress (i); the                             Try { -Thread.Sleep (3000); in                             } the                             Catch(Exception e) the                             { About  the                             } the                         } theRunonuithread (NewRunnable () { + @Override -                              Public voidrun () { the BayiToast.maketext (PractiseActivity6. This, "File copy Complete", Toast.length_short). Show (); the                             } the                         }); - Progressdialog.dismiss (); -                     } the }.start (); the             } the         } the     }; -      Public voidBt_kaobei2 (View v) the     { the         NewThread () { the @Override94              Public voidrun () { theMessage m =Message.obtain (); theM.what = 1; theH.sendemptymessage (1);98             } About }.start (); -     }101}

The effect is:

android--Analog File copy