Learning notes for Android: progressdialog

mian. xml

<? XML version = "1.0" encoding = "UTF-8"?> <Br/> <linearlayout xmlns: Android = "http://schemas.android.com/apk/res/android" <br/> Android: layout_width = "fill_parent" <br/> Android: layout_height = "fill_parent" <br/> Android: Orientation = "vertical"> <br/> <textview <br/> Android: id = "@ + ID/Information" <br/> Android: layout_width = "fill_parent" <br/> Android: layout_height = "wrap_content" <br/> Android: TEXT = "progressdialog"/> <br/> <button <br/> Android: Id = "@ + ID/button1" <br/> Android: layout_width = "wrap_content" <br/> Android: layout_height = "wrap_content" <br/> Android: TEXT = "circle"/> <br/> <button <br/> Android: Id = "@ + ID/button2" <br/> Android: layout_width = "wrap_content" <br/> Android: layout_height = "wrap_content" <br/> Android: text = "horizontal bar"/> </P> <p> </linearlayout>

 

Java:

Package android2.test; </P> <p> Import android. app. activity; <br/> Import android. app. progressdialog; <br/> Import android. content. dialoginterface; <br/> Import android. OS. bundle; <br/> Import android. view. view; <br/> Import android. widget. button; </P> <p> public class android2activity extends activity {<br/> private button button1, button2; </P> <p> int m_count = 0; <br/> // progress bar declaration dialog box <br/> progressdialog progres Sdialog; </P> <p> @ override <br/> Public void oncreate (bundle savedinstancestate) <br/>{< br/> super. oncreate (savedinstancestate); <br/> setcontentview (R. layout. main); </P> <p> // obtain the button object <br/> button1 = (button) findviewbyid (R. id. button1); <br/> button2 = (button) findviewbyid (R. id. button2); </P> <p> // set the event listening for button1 <br/> button1.setonclicklistener (New button. onclicklistener () {<br/> Public void onclick (View V) <br/> {<br/> // todo auto-generated method stub </P> <p> // create a progressdialog object <br/> progressdialog = new progressdialog (android2activity. this); </P> <p> // set the progress bar style, which is circular and rotated. <br/> progressdialog. setprogressstyle (progressdialog. style_spinner); </P> <p> // set the progressdialog title <br/> progressdialog. settitle ("prompt"); </P> <p> // set progressdialog prompt information <br/> progressdialog. setmessage ("buffering... please wait ..... "); </ P> <p> // set the progressdicon title icon <br/> // m_pdialog.seticon (R. drawable. img1); </P> <p> // set whether the progress bar of progressdialog is clear <br/> progressdialog. setindeterminate (false); </P> <p> // sets whether progressdialog can be canceled by pressing the return button. <br/> progressdialog. setcancelable (true); </P> <p> // set a button for progressdialog <br/> progressdialog. setbutton ("OK", new dialoginterface. onclicklistener () {<br/> Public void onclick (dialoginterface dialo G, int I) <br/>{< br/> // click "OK" to cancel the dialog box <br/> dialog. cancel (); <br/>}< br/>}); </P> <p> // display progressdialog <br/> progressdialog. show (); <br/>}< br/>}); </P> <p> // set event listening for button2 <br/> button2.setonclicklistener (New button. onclicklistener () {<br/> Public void onclick (view V) <br/> {<br/> // todo auto-generated method stub </P> <p> m_count = 0; </P> <p> // create a progressdialog object <br/> progressdialog = N EW progressdialog (android2activity. this); </P> <p> // set the progress bar style. The style is long. <br/> progressdialog. setprogressstyle (progressdialog. style_horizontal); </P> <p> // set the progressdialog title <br/> progressdialog. settitle ("prompt"); </P> <p> // set progressdialog prompt information <br/> progressdialog. setmessage ("buffering... please wait ..... "); </P> <p> // set the progressdicon title icon <br/> // m_pdialog.seticon (R. drawable. img2); </P> <p> // sets the progress bar of progressdialog. <br /> Progressdialog. setprogress (100); </P> <p> // set whether the progress bar of progressdialog is clear <br/> progressdialog. setindeterminate (false); </P> <p> // sets whether progressdialog can be canceled by pressing the return button. <br/> progressdialog. setcancelable (true); </P> <p> // display progressdialog <br/> progressdialog. show (); </P> <p> New thread () <br/> {<br/> Public void run () <br/>{< br/> try <br/>{< br/> while (m_count <= 100) <br/>{< br/> // The progress is controlled by the thread. <Br/> progressdialog. setprogress (m_count ++); <br/> thread. sleep (100); <br/>}< br/> progressdialog. cancel (); <br/>}< br/> catch (interruptedexception e) <br/>{< br/> progressdialog. cancel (); <br/>}< br/> }. start (); </P> <p >}< br/>}); <br/>}< br/>