alvareztech

// Portrait
- (NSUInteger)supportedInterfaceOrientations {
    return UIInterfaceOrientationMaskPortrait;
}

// Landscape
- (NSUInteger)supportedInterfaceOrientations {
    return UIInterfaceOrientationMaskLandscape;
}

alvareztech

// Open
UIViewController *viewController = [self.storyboard instantiateViewControllerWithIdentifier:@"ViewControllerStoryboardID"];
// Or (but no use Storyboard)
CustomViewController *viewController = [[CustomViewController alloc] init]

[self.navigationController pushViewController:viewController animated:YES];


// Close
[self.navigationController popViewControllerAnimated:NO];

alvareztech

// Read
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSString *session = [defaults stringForKey:@"session"];

// Write
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:session forKey:@"session"];

alvareztech

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Title"
                                                message:@"Message"
                                               delegate:nil // o self
                                      cancelButtonTitle:@"OK"
                                      otherButtonTitles:nil];
[alert show];

alvareztech

-(BOOL) NSStringIsValidEmail:(NSString *)checkString {
   BOOL stricterFilter = YES; // Discussion http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/
   NSString *stricterFilterString = @"[A-Z0-9a-z\\._%+-]+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2,4}";
   NSString *laxString = @".+@([A-Za-z0-9]+\\.)+[A-Za-z]{2}[A-Za-z]*";
   NSString *emailRegex = stricterFilter ? stricterFilterString : laxString;
   NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
   return [emailTest evaluateWithObject:checkString];
}

// Others

alvareztech

// From Fragment
String[] myArray = getActivity().getResources().getStringArray(R.array.myarray);

alvareztech

// Write
SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);
SharedPreferences.Editor editor = settings.edit();
editor.putBoolean("silentMode", mSilentMode);
editor.commit();
 
// Read
SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);
boolean silent = settings.getBoolean("silentMode", false);

alvareztech

// Solution

[NSString stringWithFormat:@"%@", string]

alvareztech

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
  if (keyCode == KeyEvent.KEYCODE_MENU) {
    // MENU pressed
    return true;
  }
  return super.onKeyDown(keyCode, event);
}

alvareztech

if ([SLComposeViewController isAvailableForServiceType:SLServiceTypeTwitter]) {
  SLComposeViewController *tweetSheetOBJ = [SLComposeViewController
                                                  composeViewControllerForServiceType:SLServiceTypeTwitter];
  [tweetSheetOBJ setInitialText:@"My tweet"];
  [self presentViewController:tweetSheetOBJ animated:YES completion:nil];
}