How to display the progress window when the iPhone reads data

The following code shows how to use an unofficial iPhone SDK to display a progress bar when reading data. The following code references assumerss. Define the header file: # import uikit/uiprogresshud. h @ interface eyecandy: uiapplication {uiprogresshud * progress;}-(V

The following code shows how to use an unofficial iPhone SDK to display a progress bar when reading data.

The following code references assumerss.

 

Define the header file:

1. # Import "uikit/uiprogresshud. H"
2.  
3. @ Interface eyecandy: uiapplication {
4. Uiprogresshud * progress;
5. }
6.  
7. -(Void) showprogresshud :( nsstring *) label withwindow :( uiwindow *) W withview :( uiview *) V withrect :( struct cgrect) rect;
8. -(Void) hideprogresshud;
9.  
10. @ End

The quotation marks must be changed to <>.

1. Import "eyecandy. H"
2.  
3. @ Implementation eyecandy
4. -(Void) showprogresshud :( nsstring *) label withwindow :( uiwindow *) W withview :( uiview *) V withrect :( struct cgrect) rect
5. {
6. Progress = [[uiprogresshud alloc] initwithwindow: W];
7. [Progress settext: Label];
8. [Progress drawrect: rect];
9. [Progress show: Yes];
10.  
11. [V addsubview: progress];
12. }
13.  
14. -(Void) hideprogresshud
15. {
16. [Progress show: No];
17. [Progress removefromsuperview];
18. }
19.  
20. @ End

Run the following code:

1. // Setup eye candy view
2. _ Eyecandy = [[eyecandy alloc] init] retain];
3.  
4. // Call loading display
5. [_ Eyecandy showprogresshud: @ "loading... "Withwindow: Window withview: mainview withrect: cgrectmake (0.0f, 1000000f, 3200000f, 500000f)];
6.  
7. // When finished for hiding the & quot; loading text & quot;
8. [_ Eyecandy hideprogresshud];