[英]is device iPhone or iPad programmatically
我正在開發全球應用程序(iPhone和iPad)。 我正在為iPhone或iPad做不同的處理。 但我看到像屏幕截圖下面的崩潰。 這個崩潰設備是iPhone,但運行了我為iPad寫的代碼。 怎么可能。 我寫的區別iPhone和iPad的代碼有問題嗎? 感謝名單
-(IBAction)showSearchAirports:(id)sender{
UIButton *tempButton=(UIButton*)sender;
AirportSearch2 *airportsSearch=[[AirportSearch2 alloc] initWithNibName:@"AirportSearch" bundle:nil];
if ([self isDeviceiPhone]) {
[self presentViewController:airportsSearch animated:YES completion:NULL];
}else{
if (self.popOver) {
[self.popOver dismissPopoverAnimated:YES];
self.popOver = nil;
}
UINavigationController *navigationController = [[[UINavigationController alloc] initWithRootViewController:airportsSearch] autorelease];
self.popOver=[[[UIPopoverController alloc] initWithContentViewController:navigationController] autorelease];
self.popOver.delegate = self;
[self.popOver setPopoverContentSize:CGSizeMake(285, 370)];
//This line 481
[self.popOver presentPopoverFromRect:tempButton.frame inView:self.view permittedArrowDirections:UIPopoverArrowDirectionRight animated:YES];
}
}
-(BOOL)isDeviceiPhone{
if([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone)
return TRUE;
else
return FALSE;
}
嘗試這個
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
{
// The device is an iPad running iOS 3.2 or later.
Return NO;
}
else
{
// The device is an iPhone or iPod touch.
Return YES;
}
要檢測設備類型,請使用以下方法:
+ (BOOL) isiPad {
#if (__IPHONE_OS_VERSION_MAX_ALLOWED >= 30200)
if ([[UIDevice currentDevice] respondsToSelector: @selector(userInterfaceIdiom)])
return ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad);
#endif
return NO;
}
+(BOOL)isiPhone
{
NSString *deviceType = [UIDevice currentDevice].model;
if([deviceType isEqualToString:@"iPhone"])
return YES;
else
return NO;
}
只需在UI設備類中使用此宏定義,您可以參考文檔( https://developer.apple.com/LIBRARY/IOS/documentation/UIKit/Reference/UIDevice_Class/Reference/UIDevice.html )也只是簡單地使用條件
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
{
return yes;
}
else
return No;
您沒有向我們展示用於確定設備類型的代碼,但這里有一種可以在運行時確定設備類型的方法。
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
{
// iPad-specific interface here
}
else
{
// iPhone and iPod touch interface here
}
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