About Launch Other Program
About Launch Other Program
- Subject: About Launch Other Program
- From: ka <email@hidden>
- Date: Mon, 06 Oct 2008 14:14:41 +0800
Hi everybody,
The following is a sample for launch other program, but I don't know how
to launch the Safari when Clicked the "Lanuch Safari" Button after, why
auto called the "modalView" method it? thank you very much.
Source Code:
#import "LaunchMeAppDelegate.h"
@implementation LaunchMeAppDelegate
@synthesize window;
@synthesize usageAlertView;
@synthesize showUsageAlert;
- (void)applicationDidFinishLaunching:(UIApplication *)application {
showUsageAlert = YES;
[self performSelector:@selector(showUsageAlertDialog) withObject:nil
afterDelay:0.0];
}
- (BOOL)application:(UIApplication *)application handleOpenURL:(NSURL *)url
{
showUsageAlert = NO;
if (!url) {
return NO;
}
NSString *URLString = [url absoluteString];
NSString *message = [NSString stringWithFormat:@"The application
received a request to open this URL: %@. Be careful when servicing
handleOpenURL requests!", URLString];
UIAlertView *openURLAlert = [[UIAlertView alloc]
initWithTitle:@"handleOpenURL:" message:message delegate:nil
cancelButtonTitle:@"OK" otherButtonTitles:nil];
[openURLAlert show];
[openURLAlert release];
if (!URLString) {
return NO;
}
NSInteger maximumExpectedLength = 50;
if ([URLString length] > maximumExpectedLength) {
return NO;
}
return YES;
}
- (void)showUsageAlertDialog
{
if (showUsageAlert) {
NSString *message = @"To demonstrate how this application handles a URL
request for the new URL type that it registers, enter a URL in Safari
that begins the with scheme of the URL type (launchme://) and press the
Go button.";
self.usageAlertView = [[UIAlertView alloc] initWithTitle:@"Usage"
message:message delegate:self cancelButtonTitle:@"Launch Safari"
otherButtonTitles:nil];
[self.usageAlertView show];
}
}
- (void)dismissUsageAlert
{
[self.usageAlertView dismissWithClickedButtonIndex:-1 animated:YES];
}
- (void)modalViewCancel:(UIAlertView *)alertView
{
[alertView release];
}
- (void)modalView:(UIAlertView *)alertView
didDismissWithButtonIndex:(NSInteger)buttonIndex
{
if (buttonIndex != -1) {
[[UIApplication sharedApplication] openURL:[NSURL
URLWithString:@"http://www.apple.com";]];
}
[alertView release];
}
- (void)dealloc {
[window release];
[super dealloc];
}
@end
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