android dialog progress bar (ProgressDialog)

 

from: http://byandby.iteye.com/blog/817214

 

progress bar dialog to define clearly necessary to use ProgressDialog, first of all we need to create ProgressDialog object, of course, here also uses threads to control the progress of the show, in addition you can use the following methods to set ProgressDialog.
setProgressStyle: Setting progress bar style, the style is round, rotating.
setTitlt: Set ProgressDialog title
setMessage: Set ProgressDialog message;
setIcon: Set ProgressDialog title icon;
setIndeterminate: Set ProgressDialog progress bar is not clear;
setCancelable: Set ProgressDialog can press the return key to cancel;
setButton: ProgressDialog set a Button (need to listen Button event);
show: Show ProgressDialog.

First, let us look at the effect it run





Here take a look at the layout file


< span> android: orientation = "vertical"
android: layout_width = "fill_parent" < br /> android: layout_height = "fill_parent"
>

android: layout_width = "fill_parent"
android: layout_height = "wrap_content"
android: text = "@ string / hello"
/>

android: id = "@ + id/Button01 "
android: layout_width =" wrap_content "
android: layout_height =" wrap_content "
android: text = "circular progress bar" />

< br /> android: id = "@ + id/Button02"
android: layout_width = "wrap_content"
< span> android: layout_height = "wrap_content"
android: text = "elongated progress bar" />


Activity01

 

  

   

    Java code         

  

  

   
    
1. package xiaohang.zhimeng;
    
    
3. import android.app.Activity;
    
4. import android.app.ProgressDialog;
    
5. import android.content.DialogInterface;
    
6. import android.os.Bundle;
    
7. import android.view.View;
    
8. import android.view.View.OnClickListener;
    
9. import android.widget.Button;
    
    
11. public class Activity01 extends Activity {
    
    
13. private Button xhButton01, xhButton02;
    
    
15. int xh_count = 0 ;
    
16. / / declare the progress bar dialog
    
17. ProgressDialog xh_pDialog;
    
    
19. @ Override
    
20. public void onCreate (Bundle savedInstanceState) {
    
21. super . onCreate (savedInstanceState); < / li>     
22. setContentView (R.layout.main);
    
    
24. / / get the button object < / li>     
25. xhButton01 = (Button) findViewById (R.id.Button01); < / li>     
26. xhButton02 = (Button) findViewById (R.id.Button02); < / li>     
    
28. / / Set xhButton01 event listener
    
29. xhButton01.setOnClickListener ( new OnClickListener () { ;
    
30. @ Override
    
31. public void onClick (View v) {
    
32. / / Create ProgressDialog object
    
33. xh_pDialog = new ProgressDialog (Activity01. this );
    
    
35. / / Set the progress bar style, it is round, rotating
    
36. xh_pDialog.setProgressStyle (ProgressDialog.STYLE_SPINNER); ;
    
    
38. / / Set ProgressDialog title
    
39. xh_pDialog.setTitle ( "Prompt" );
    
    
41. / / Set ProgressDialog message
    
42. xh_pDialog.setMessage ( "This is a circular progress bar dialog" );
    
    
44. / / Set ProgressDialog Title Icon
    
45. xh_pDialog.setIcon (R.drawable.img1); ;
    
    
47. / / Set ProgressDialog is not clear whether the progress bar is not set to false is not clear
    
48. xh_pDialog.setIndeterminate ( false );
    
    
50. / / Set ProgressDialog can press the return key to cancel
    
51. xh_pDialog.setCancelable ( true );
    
    
53. / / Set a ProgressDialog Button
    
54. xh_pDialog.setButton ( "OK" , new Bt1DialogListener ());
    
    
56. / / Let ProgressDialog show
    
57. xh_pDialog.show ();
    
58. }
    
    
60. });
    
    
62. / / Set xhButton02 event listener
    
63. xhButton02.setOnClickListener ( new Button.OnClickListener () { ;
    
    
65. @ Override
    
66. public void onClick (View v) {
    
    
68. xh_count = 0 ;
    
    
70. / / Create ProgressDialog object
    
71. xh_pDialog = new ProgressDialog (Activity01. this );
    
    
73. / / Set the progress bar style, it is round, rotating
    
74. xh_pDialog.setProgressStyle (ProgressDialog.STYLE_HORIZONTAL); ;
    
    
76. / / Set ProgressDialog title
    
77. xh_pDialog.setTitle ( "Prompt" );
    
    
79. / / Set ProgressDialog message
    
80. xh_pDialog.setMessage ( "This is a long-shaped progress bar dialog" );
    
    
82. / / Set ProgressDialog Title Icon
    
83. xh_pDialog.setIcon (R.drawable.img2); ;
    
    
85. / / Set ProgressDialog is not clear whether the progress bar is not set to false is not clear
    
86. xh_pDialog.setIndeterminate ( false );
    
    
88. / / Set ProgressDialog Progress bar
    
89. xh_pDialog.setProgress ( 100 );
    
    
91. / / Set ProgressDialog can press the return key to cancel
    
92. xh_pDialog.setCancelable ( true );
    
    
94. / / Let ProgressDialog show
    
95. xh_pDialog.show ();
    
    
97. new Thread () {
    
98. @ Override
    
99. public void run () {
    
100. try {
    
101. while (xh_count <= 100 ) ; {
    
102. / / by the thread to control the progress < / li>     
103. xh_pDialog.setProgress (xh_count + +);
    
104. Thread.sleep ( 100 );
    
105. }
    
106. xh_pDialog.cancel ();
    
107. } catch (Exception e) {
    
108. xh_pDialog.cancel ();
    
109. }
    
110. } ;
    
111. }. start ();
    
    
113. }
    
    
115. });
    
116. }
    
    
118. / / xhButton01 listener class
    
119. class Bt1DialogListener implements DialogInterface.OnClickListener {
    
120. @ Override
    
121. public void onClick (DialogInterface dialog, int which) {
    
122. / / Click the "OK" button to cancel the dialog
    
123. dialog.cancel ();
    
124. }
    
125. }
    
126. }