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added reachability check to http://github.com and error view
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@sschroed
sschroed committed Jan 17, 2009
1 parent f327036 commit 7b1536e
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Showing 10 changed files with 385 additions and 2 deletions.
238 changes: 238 additions & 0 deletions ApplicationError.xib
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@@ -0,0 +1,238 @@
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19 changes: 19 additions & 0 deletions Classes/ApplicationErrorViewController.h
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@@ -0,0 +1,19 @@
//
// ApplicationErrorViewController.h
// git-phone
//
// Created by Sam Schroeder on 1/17/09.
// Copyright 2009 Proton Microsystems, LLC. All rights reserved.
//

@interface ApplicationErrorViewController : UIViewController {
NSString *errorMessage;
UITextView *errorMessageTextView;
}

@property (nonatomic, retain) IBOutlet UITextView *errorMessageTextView;

- (void) setErrorMessage:(NSString *)error;


@end
33 changes: 33 additions & 0 deletions Classes/ApplicationErrorViewController.m
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@@ -0,0 +1,33 @@
//
// ApplicationErrorViewController.m
// git-phone
//
// Created by Sam Schroeder on 1/17/09.
// Copyright 2009 Proton Microsystems, LLC. All rights reserved.
//

#import "ApplicationErrorViewController.h"


@implementation ApplicationErrorViewController
@synthesize errorMessageTextView;


// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
[super viewDidLoad];
[errorMessageTextView setFont:[UIFont systemFontOfSize:12.0]];
[errorMessageTextView setText:errorMessage == nil ? @"An unknown error has occurred." : errorMessage];
}

- (void) setErrorMessage:(NSString *)error {
errorMessage = [error copy];
}

- (void)dealloc {
[errorMessage release];
[errorMessageTextView release];
[super dealloc];
}

@end
2 changes: 2 additions & 0 deletions Classes/Config.h
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Expand Up @@ -11,9 +11,11 @@

@interface Config : NSObject {
NSString *gitHubUserName;
NSString *baseURL;
}

@property (copy) NSString *gitHubUserName;
@property (copy) NSString *baseURL;

+ (Config *)instance;

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2 changes: 2 additions & 0 deletions Classes/Config.m
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Expand Up @@ -12,6 +12,7 @@
@implementation Config

@synthesize gitHubUserName;
@synthesize baseURL;

// Make model a singleton
+ (Config *)instance
Expand All @@ -28,6 +29,7 @@ + (Config *)instance

- (void) dealloc {
[gitHubUserName release];
[baseURL release];
[super dealloc];
}

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15 changes: 15 additions & 0 deletions Classes/ConnectivityController.h
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@@ -0,0 +1,15 @@
//
// ConnectivityController.h
// git-phone
//
// Created by Sam Schroeder on 1/17/09.
// Copyright 2009 Proton Microsystems, LLC. All rights reserved.
//

#import "Reachability.h"

@interface ConnectivityController : NSObject

+ (BOOL)isGitHubWebServiceReachable:(NSString *)url;

@end
19 changes: 19 additions & 0 deletions Classes/ConnectivityController.m
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@@ -0,0 +1,19 @@
//
// ConnectivityController.m
// git-phone
//
// Created by Sam Schroeder on 1/17/09.
// Copyright 2009 Proton Microsystems, LLC. All rights reserved.
//

#import "ConnectivityController.h"

@implementation ConnectivityController


+ (BOOL)isGitHubWebServiceReachable:(NSString *)url {
[[Reachability sharedReachability] setHostName:[[NSURL URLWithString:url] host]];
return [[Reachability sharedReachability] remoteHostStatus] != NotReachable;
}

@end
17 changes: 17 additions & 0 deletions Classes/git_phoneAppDelegate.m
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Expand Up @@ -8,8 +8,13 @@

#import "git_phoneAppDelegate.h"
#import "RootViewController.h"
#import "ConnectivityController.h"
#import "ApplicationErrorViewController.h"
#import "Models.h"

@interface git_phoneAppDelegate()
- (void) showError:(NSString *)errorMessage;
@end

@implementation git_phoneAppDelegate

Expand Down Expand Up @@ -37,6 +42,13 @@ - (void)applicationDidFinishLaunching:(UIApplication *)application {
[window addSubview:[navigationController view]];
[window makeKeyAndVisible];

// Ensure we have connectivity.
[[Config instance] setBaseURL:@"http://github.com"];
if(![ConnectivityController isGitHubWebServiceReachable:[[Config instance] baseURL]]) {
[self showError:@"Octocat cannot connect to GitHub."];
return;
}

[self loadPreferencess];
}

Expand All @@ -45,6 +57,11 @@ - (void)applicationWillTerminate:(UIApplication *)application {
// Save data if appropriate
}

- (void) showError:(NSString *)errorMessage {
ApplicationErrorViewController *errorController = [[ApplicationErrorViewController alloc] initWithNibName:@"ApplicationError" bundle:nil];
[errorController setErrorMessage:errorMessage];
[[self window] addSubview:errorController.view];
}

- (void)dealloc {
[navigationController release];
Expand Down

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