Programming in Objective-C: Q&A

Q: How to vertically centre-align the text in textField? A: [textField setContentVerticalAlignment:UIControlContentVerticalAlignmentCenter]; Q: How to make a dialogue window (i.e. add textFields) with AlertView? A: UIAlertView *describeWP = [[UIAlertView alloc] initWithTitle:@”Add a Waypoint” message:@”\n\n\n\n” delegate:self cancelButtonTitle:@”Cancel” otherButtonTitles:@”Done”, nil]; UITextField *wpName = [[UITextField alloc] initWithFrame:CGRectMake(42, 45, 188, 25)]; [wpName setBackgroundColor:[UIColor whiteColor]]; [wpName setPlaceholder:@"Name your waypoint"]; [describeWP [...]

Google Earth – iPhone – Track

A KML editor on Windows Target: save tracks from GPS receiver in the iPhone -> save as a KML or KMZ file -> sent to a desktop with Google Earth -> tracks in KML can be send from desktop to iPhone and show in Googe earth 3-D view.