I want leftCalloutAccessoryView have a location's own image, I know how to make a leftCalloutAccessoryView on callout bubble, however I couldn't get the image path
location information is init form a SpotAnnotation class, like bellow
- (id) initWithTitle:(NSString *)aTitle latitude:(CLLocationDegrees)aLat longitude:(CLLocationDegrees)aLon imageName:(UIImage *)imgName{
self.coordinate = CLLocationCoordinate2DMake(aLat, aLon);
self.currentTitle = aTitle;
self.places = [[NSMutableArray alloc] initWithCapacity:0];
self.image = imgName;
return self; }
In ViewController works like this
- (NSArray *) spots{
SpotAnnotation *s1 = [[SpotAnnotation alloc] initWithTitle:#"TaipeiZoo" latitude:25.039550 longitude:121.560265 imageName:[UIImage imageNamed:#"taipeiZoo.jpg"]];
SpotAnnotation *s2 = [[SpotAnnotation alloc] initWithTitle:#"Eslite" latitude:25.039720 longitude:121.565874 imageName:[UIImage imageNamed:#"Eslite.jpg"]]; }
biggest question is here -> initWithImage:
UIImageView *leftIconView = [[UIImageView alloc] initWithImage:"how can I get image path here"];
leftIconView.frame = CGRectMake(10, 10, 50, 50);
pin.leftCalloutAccessoryView = leftIconView;
ummm... I solved it..
UIImageView *leftIconView = [[UIImageView alloc] initWithImage:((SpotAnnotation *)annotation).image];
leftIconView.frame = CGRectMake(0, 0, 50, 50);
leftIconView.contentMode = UIViewContentModeScaleAspectFit;
pin.leftCalloutAccessoryView = leftIconView;
problem is initWithImage:((SpotAnnotation *)annotation).image
I will try hard to get it understand!
Related
I'd like to have a method display an image. My view controller calls the method:
eduPopup *thisEduPopup = [[eduPopup alloc] init];
[thisEduPopup displayPopup];
In the method I have:
-(void) displayPopup {
UIImageView *thisImage = [[UIImageView alloc] init];
thisImage.image = [UIImage imageNamed:#"referral_eduscreen_text_solid.png"];
thisImage.frame = CGRectMake(0, 0, thisImage.image.size.width, thisImage.image.size.height);
[self.superview addSubview:thisImage];
}
...but I get nothing. Is self.superview the right reference? What I should be putting there?
I am making a custom control which consists of UIImageView and Label. The control behaves like a checkbox.
Here is the code:
-(instancetype) initWithTitle:(NSString *)title normalCheckBoxImage:(NSString *)normalCheckBoxImage selectedCheckBoxImage:(NSString *)selectedCheckBoxImage
{
self = [super init];
self.userInteractionEnabled = YES;
self.normalCheckBoxImageName = normalCheckBoxImage;
self.selectedCheckBoxImageName = selectedCheckBoxImage;
self.title = title;
[self setupSubViews];
[self registerGestureRecognizers];
return self;
}
-(void) registerGestureRecognizers
{
UITapGestureRecognizer *singleTapGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:#selector(checkBoxTapped:)];
singleTapGestureRecognizer.delegate = self;
singleTapGestureRecognizer.numberOfTapsRequired = 1;
[self.checkBoxImageView addGestureRecognizer:singleTapGestureRecognizer];
}
-(void) checkBoxTapped:(UITapGestureRecognizer *) recognizer
{
self.isChecked = !self.isChecked;
if(self.isChecked)
{
[self.checkBoxImageView setImage:[UIImage imageNamed:self.selectedCheckBoxImageName]];
}
else
{
[self.checkBoxImageView setImage:[UIImage imageNamed:self.normalCheckBoxImageName]];
}
}
-(void) setupSubViews
{
self.checkBoxImageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:self.normalCheckBoxImageName]];
self.checkBoxImageView.frame = CGRectMake(0, 0, 50, 50);
NSLog(#"width = %f; height = %f",self.checkBoxImageView.frame.size.width,self.checkBoxImageView.frame.size.height);
[self.checkBoxImageView setUserInteractionEnabled:YES];
// The init with frame should be replaced by the NSConstraints
self.titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(self.checkBoxImageView.frame.size.width + 5, 10, 100, 20)];
self.titleLabel.text = self.title;
[self addSubview:self.checkBoxImageView];
[self addSubview:self.titleLabel];
}
I have attached gesture recognizer to the UIImageView. But for some reason it only fires when I am close to the left edge of the UIImageView. I am not sure what I am doing wrong. If I touch in the middle of the uIImageView then it does not do anything.
Here is the image:
The problem was the frame for the super view was not correct. Instead of width and height of 50 X 50 it was 50 X 20.
AZCheckBox *checkbox = [[AZCheckBox alloc] initWithTitle:#"I agree" normalCheckBoxImage:#"NormalCheckBoxImage" selectedCheckBoxImage:#"SelectedCheckBoxImage"];
checkbox.frame = CGRectMake(100, 100, 200, 50);
checkbox.delegate = self;
[self.view addSubview:checkbox];
I've used UITapGestureRecognizer tons of times, but in this case I'm getting EXC_BAD_ACCESS when a tap occurs. I think it has to do with the fact that I'm adding it to an Alert-type overlay view. And for some reason the overlay view isn't getting retained even though it's on-screen.
I'm creating the view like this:
HelperView *testHelper = [HelperView helperWithBodyText:#"test text"];
[testHelper presentAtPoint:screenCenter];
The convenience method in HelperView.m looks like this:
+ (id)helperWithBodyText:(NSString*)text
{
return [[self alloc] initWithFrame:CGRectZero bodyText:text];
}
And the rest of the code looks like this:
- (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:frame];
if (self) {
self.container = [[AGWindowView alloc] initAndAddToKeyWindow];
self.container.supportedInterfaceOrientations = UIInterfaceOrientationMaskLandscapeRight;
self.overlay = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
self.overlay.backgroundColor = [UIColor redColor];
self.overlay.alpha = 0.6;
[self.container addSubviewAndFillBounds:self.overlay]; //this fills the screen with a transparent red color, for testing
UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:#selector(dismissMe:)];
[self.overlay addGestureRecognizer:tap]; //I want to dismiss the whole view if the overlay is tapped
self.content = [[UIView alloc] initWithFrame:CGRectZero];
}
return self;
}
- (id)initWithFrame:(CGRect)frame bodyText:(NSString*)bodyText
{
self = [self initWithFrame:frame];
if (self) {
//TEST frame
self.content.frame = CGRectMake(0, 0, 217, 134);
// Initialization code
UIImage *bgImage = [[UIImage imageNamed:#"helper-bg"]
resizableImageWithCapInsets:UIEdgeInsetsMake(30, 28, 20, 20)];
UIImageView *bgImgView = [[UIImageView alloc] initWithImage:bgImage];
bgImgView.bounds = self.content.frame;
[self.content addSubview:bgImgView];
}
return self;
}
- (void)presentAtPoint:(CGPoint)loc
{
CGPoint newPoint = [self.container convertPoint:loc toView:self.container];
self.content.center = newPoint;
[self.container addSubview:self.content];
}
- (void)dismissMe:(UITapGestureRecognizer*)recognizer
{
//this never happens - I get EXC_BAD_ACCESS when I tap the overlay
}
HelperView is not the view getting displayed and it's not getting retained, but you're using as the target for the gesture recognizer. The AGWindowView property "container" is getting displayed and retained by its superview. Your code needs refactoring since you have this view HelperView that doesn't ever display anything itself, but if you want it to work like this you need to retain HelperView so it doesn't automatically get released. You can do this by assigning it to a strong instance variable.
I'm hoping somebody can help me out here, I'm not sure what else to do. I have a UIScrollView that loads a set of 44 images, and then allows the user to page through them. My code was working, then suddenly it stopped. I have no idea what I have changed so any help would be much appreciated:
The previous view is a UITableView, it passes a string along with the name of the cell that was selected. Here is the ViewDidLoad Method from the ScrollView:
- (void)viewDidLoad
{
[super viewDidLoad];
UIBarButtonItem *rightButton = [[UIBarButtonItem alloc] initWithTitle:#"Answer"
style:UIBarButtonItemStyleBordered
target:self
action:#selector(answerPressed:)];
self.navigationItem.rightBarButtonItem = rightButton;
if([questionSetName isEqualToString:#"Limitations"]){
[self limitationsView];
}
}
Here is the limitationsView:
-(void)limitationsView{
UIScrollView *scroll = [[UIScrollView alloc] initWithFrame:CGRectMake(0, -44, self.view.frame.size.width, self.view.frame.size.height)];
scroll.pagingEnabled = YES;
NSArray *unsortedArray = [[NSBundle mainBundle] pathsForResourcesOfType:#"png" inDirectory:#"Images/Limitations"];
NSMutableArray *limitationImages = [[NSMutableArray alloc] init];
for (int x = 0; x<[unsortedArray count]; x++) {
NSString *fileName = [[unsortedArray objectAtIndex:x] lastPathComponent];
[limitationImages insertObject:fileName atIndex:x];
}
NSArray *sortedArray = [limitationImages sortedArrayUsingFunction:finderSortWithLocal
context:(__bridge void *)([NSLocale currentLocale])];
for(int i = 0; i< [sortedArray count]; i++){
CGFloat xOrigin = i * self.view.bounds.size.width;
UIImageView *limitationImageView = [[UIImageView alloc] initWithFrame:CGRectMake(xOrigin, 0, self.view.frame.size.width, self.view.frame.size.height)];;
[limitationImageView setImage:[UIImage imageNamed:[sortedArray objectAtIndex:i]]];
limitationImageView.contentMode = UIViewContentModeScaleAspectFit;
[scroll addSubview:limitationImageView];
}
scroll.contentSize = CGSizeMake(self.view.frame.size.width * [sortedArray count], self.view.frame.size.height);
[self.view addSubview:scroll];
}
When I get to the end of the LimitationsView method the sortedArray contains all 44 images, and the proper names, if I try and set the background color of the scrollview I can successfully do that. but my images are not loading and I am at a loss as to why?
I would suggest using
NSLog(#"image:%#",[UIImage imageNamed:[limitationsArray objectAtIndex:i]]);
to see if the image is null at that point. If that's the case, then there is a problem with the strings you are storing in that array i.e., they are not identical to the actual names of your images
Hey. I've achieved making a programmatic UIScrollView with zooming, but now I've been trying to take the scrollable/zoomable image to an external screen if plugged in.
#implementation MapVC
UIScrollView *mapScrollView;
UIImageView *mapImageView;
UIImageView *mapImageViewEx;
CGFloat lastScale = 0;
NSMutableArray *map_List;
- (id)initWithFrame:(CGRect)frame {
self = [super initWithFrame:frame];
if (self) {
mainMenuAppDelegate *del = (mainMenuAppDelegate *)[[UIApplication sharedApplication] delegate];
map_List = [[NSMutableArray alloc] init];
[map_List addObject:#"Pacific_Map.png"];
[map_List addObject:#"Atlantic_Map.png"];
CGRect mapScrollViewFrame = CGRectMake(0, 0, 1024, 768);
mapScrollView = [[UIScrollView alloc] initWithFrame:mapScrollViewFrame];
mapScrollView.backgroundColor = [UIColor blackColor];
[mapScrollView setDelegate:(id<UIScrollViewDelegate>)self];
mapScrollView.contentSize = CGSizeMake(2437, 1536);
mapScrollView.bounces = NO;
mapScrollView.bouncesZoom = NO;
mapScrollView.minimumZoomScale = .5;
mapScrollView.maximumZoomScale = 1.5;
[mapScrollView setZoomScale:mapScrollView.minimumZoomScale];
UIImage *mapImage = [UIImage imageNamed:[map_List objectAtIndex:mapNum]];
mapImageView = [[UIImageView alloc] initWithImage: mapImage];
[mapImage release];
if(exScreenEnabled==1){
UIImage *mapImageEx = [UIImage imageNamed:[map_List objectAtIndex:mapNum]];
mapImageViewEx = [[UIImageView alloc] initWithImage: mapImageEx];
[mapImageEx release];
UIView *containerExViewP = (UIView*)[del.switchExVC.view viewWithTag:9000];
[containerExViewP addSubview:mapImageViewEx];
}else{
[mapScrollView addSubview:mapImageView];
}
[self addSubview:mapScrollView];
mapImageView.userInteractionEnabled = YES;
UIImage *footerMapIMG = [UIImage imageNamed:#"footer_map_alternate.png"];
UIImageView *footerMapView = [[UIImageView alloc] initWithImage:(UIImage *)footerMapIMG];
CGRect footerMapFrame = CGRectMake(0, 686, 213, 82);
footerMapView.frame = footerMapFrame;
[self addSubview:footerMapView];
footerMapView.image = footerMapIMG;
[footerMapView release];
CGRect backBTNFrame = CGRectMake(20, 714, 140, 52);
UIButton *MAP_backButton = [[UIButton alloc] init];
MAP_backButton.frame = backBTNFrame;
UIImage *MAP_backButtonIMG = [UIImage imageNamed:#"button_back.png"];
[MAP_backButton setImage:MAP_backButtonIMG forState:UIControlStateNormal];
MAP_backButton.backgroundColor = [UIColor clearColor];
[self addSubview:MAP_backButton];
[MAP_backButton release];
[MAP_backButton addTarget:del.switchVC
action:#selector(gotoMapAndListChooser)
forControlEvents:UIControlEventTouchUpInside];
}
return self;
}
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView{
if(exScreenEnabled==1){
return mapImageViewEx;
}else{
return mapImageView;
}
}
(Sorry I've had no luck getting that formatted to look right on this site)
If a video cable is plugged into an iPad, there's no image on the iPad, which is what I want. The image on the external screen zooms correctly when you do the gesture on the iPad, but I can't figure out how to make it scroll. Thanks in advance.
edit: I now have this -
#implementation MapVC
UIScrollView *mapScrollView;
UIImageView *mapImageView;
UIImageView *mapImageViewEx;
CGFloat lastScale = 0;
NSMutableArray *map_List;
int touchesNum = 0;
-(void)touchesBegan:(NSSet *)theTouches withEvent:(UIEvent *)event {
NSSet *touches = [event allTouches];
touchesNum=[touches count];
NSLog(#"number of touches %i", touchesNum);
}
- (id)initWithFrame:(CGRect)frame {
self = [super initWithFrame:frame];
if (self) {
mainMenuAppDelegate *del = (mainMenuAppDelegate *)[[UIApplication sharedApplication] delegate];
map_List = [[NSMutableArray alloc] init];
[map_List addObject:#"Pacific_Map.png"];
[map_List addObject:#"Atlantic_Map.png"];
CGRect mapScrollViewFrame = CGRectMake(0, 0, 1024, 768);
mapScrollView = [[UIScrollView alloc] initWithFrame:mapScrollViewFrame];
mapScrollView.backgroundColor = [UIColor blackColor];
[mapScrollView setDelegate:(id<UIScrollViewDelegate>)self];
mapScrollView.contentSize = CGSizeMake(2437, 1536);
mapScrollView.bounces = NO;
mapScrollView.bouncesZoom = NO;
mapScrollView.minimumZoomScale = .5;
mapScrollView.maximumZoomScale = 1.5;
[mapScrollView setZoomScale:mapScrollView.minimumZoomScale];
UIImage *mapImage = [UIImage imageNamed:[map_List objectAtIndex:mapNum]];
mapImageView = [[UIImageView alloc] initWithImage: mapImage];
[mapImage release];
if(exScreenEnabled==1){
UIImage *mapImageEx = [UIImage imageNamed:[map_List objectAtIndex:mapNum]];
mapImageViewEx = [[UIImageView alloc] initWithImage: mapImageEx];
[mapImageEx release];
UIView *containerExViewP = (UIView*)[del.switchExVC.view viewWithTag:9000];
[containerExViewP addSubview:mapImageViewEx];
}else{
[mapScrollView addSubview:mapImageView];
}
[self addSubview:mapScrollView];
mapImageView.userInteractionEnabled = YES;
UIImage *footerMapIMG = [UIImage imageNamed:#"footer_map_alternate.png"];
UIImageView *footerMapView = [[UIImageView alloc] initWithImage:(UIImage *)footerMapIMG];
CGRect footerMapFrame = CGRectMake(0, 686, 213, 82);
footerMapView.frame = footerMapFrame;
[self addSubview:footerMapView];
footerMapView.image = footerMapIMG;
[footerMapView release];
CGRect backBTNFrame = CGRectMake(20, 714, 140, 52);
UIButton *MAP_backButton = [[UIButton alloc] init];
MAP_backButton.frame = backBTNFrame;
UIImage *MAP_backButtonIMG = [UIImage imageNamed:#"button_back.png"];
[MAP_backButton setImage:MAP_backButtonIMG forState:UIControlStateNormal];
MAP_backButton.backgroundColor = [UIColor clearColor];
[self addSubview:MAP_backButton];
[MAP_backButton release];
[MAP_backButton addTarget:del.switchVC
action:#selector(gotoMapAndListChooser)
forControlEvents:UIControlEventTouchUpInside];
mapScrollView.multipleTouchEnabled = YES;
}
return self;
}
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView{
if(exScreenEnabled==1){
return mapImageViewEx;
}else{
return mapImageView;
}
}
- (void)scrollViewDidScroll:(UIScrollView *)inscrollView{
if(touchesNum==0){
CGPoint p = mapScrollView.contentOffset;
mapImageViewEx.frame = CGRectMake((p.x*-1), (p.y*-1), mapImageViewEx.frame.size.width, mapImageViewEx.frame.size.height);
}
}
- (void)dealloc {
[mapScrollView release];
[mapImageView release];
[map_List release];
[super dealloc];
}
#end
As I said below, I can now get either scroll or zooming to work separately, but zooming is all messed up if scrolling is working, because when zooming it thinks it's also scrolling. So I want to avoid it scrolling when zooming, and to do this I want to detect the number of touches, which I must be doing wrong!
Got it working with the image being on the iPad and external screen. I'll probably swap it in with a rectangular area because the image is resource heavy to be both the iPad and external screen.
#import "exGlobal.h"
#import "mapVC.h"
#import "switchVC.h"
#import "switchExVC.h"
#import "mainMenuAppDelegate.h"
#import <MobileCoreServices/MobileCoreServices.h>
#implementation MapVC
UIScrollView *mapScrollView;
UIImageView *mapImageView;
UIImageView *mapImageViewEx;
CGFloat lastScale = 0;
NSMutableArray *map_List;
static int toggleScroll = 1;
- (id)initWithFrame:(CGRect)frame {
self = [super initWithFrame:frame];
if (self) {
mainMenuAppDelegate *del = (mainMenuAppDelegate *)[[UIApplication sharedApplication] delegate];
map_List = [[NSMutableArray alloc] init];
[map_List addObject:#"Pacific_Map.png"];
[map_List addObject:#"Atlantic_Map.png"];
CGRect mapScrollViewFrame = CGRectMake(0, 0, 1024, 768);
mapScrollView = [[UIScrollView alloc] initWithFrame:mapScrollViewFrame];
mapScrollView.backgroundColor = [UIColor blackColor];
[mapScrollView setDelegate:(id<UIScrollViewDelegate>)self];
mapScrollView.contentSize = CGSizeMake(2437, 1536);
mapScrollView.bounces = NO;
mapScrollView.bouncesZoom = NO;
mapScrollView.minimumZoomScale = .5;
mapScrollView.maximumZoomScale = 1.5;
[mapScrollView setZoomScale:mapScrollView.minimumZoomScale];
UIImage *mapImage = [UIImage imageNamed:[map_List objectAtIndex:mapNum]];
mapImageView = [[UIImageView alloc] initWithImage: mapImage];
[mapImage release];
if(exScreenEnabled==1){
UIImage *mapImageEx = [UIImage imageNamed:[map_List objectAtIndex:mapNum]];
mapImageViewEx = [[UIImageView alloc] initWithImage: mapImageEx];
[mapImageEx release];
UIView *containerExViewP = (UIView*)[del.switchExVC.view viewWithTag:9000];
[containerExViewP addSubview:mapImageViewEx];
[mapScrollView addSubview:mapImageView]; // see if this works ok on iPad. Map on TV AND iPad.
}else{
[mapScrollView addSubview:mapImageView];
}
[self addSubview:mapScrollView];
mapImageView.userInteractionEnabled = YES;
UIImage *footerMapIMG = [UIImage imageNamed:#"footer_map_alternate.png"];
UIImageView *footerMapView = [[UIImageView alloc] initWithImage:(UIImage *)footerMapIMG];
CGRect footerMapFrame = CGRectMake(0, 686, 213, 82);
footerMapView.frame = footerMapFrame;
[self addSubview:footerMapView];
footerMapView.image = footerMapIMG;
[footerMapView release];
CGRect backBTNFrame = CGRectMake(20, 714, 140, 52);
UIButton *MAP_backButton = [[UIButton alloc] init];
MAP_backButton.frame = backBTNFrame;
UIImage *MAP_backButtonIMG = [UIImage imageNamed:#"button_back.png"];
[MAP_backButton setImage:MAP_backButtonIMG forState:UIControlStateNormal];
MAP_backButton.backgroundColor = [UIColor clearColor];
[self addSubview:MAP_backButton];
[MAP_backButton release];
[MAP_backButton addTarget:del.switchVC
action:#selector(gotoMapAndListChooser)
forControlEvents:UIControlEventTouchUpInside];
mapScrollView.multipleTouchEnabled = YES;
}
return self;
}
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView{
return mapImageView;
}
-(void)scrollViewDidZoom:(UIScrollView *)scrollView {
if(exScreenEnabled==1){
CGPoint p = mapScrollView.contentOffset;
mapImageViewEx.frame = CGRectMake((p.x*-1), (p.y*-1), mapImageView.frame.size.width, mapImageView.frame.size.height);
}
}
- (void)scrollViewDidScroll:(UIScrollView *)inscrollView{
if(exScreenEnabled==1 && toggleScroll==1){
CGPoint p = mapScrollView.contentOffset;
mapImageViewEx.frame = CGRectMake((p.x*-1), (p.y*-1), mapImageView.frame.size.width, mapImageView.frame.size.height);
}
}
- (void)scrollViewWillBeginZooming:(UIScrollView *)theScrollView withView:(UIView *)view{
NSLog(#"BEGIN ZOOMING");
toggleScroll=0;
}
- (void)scrollViewDidEndZooming:(UIScrollView *)theScrollView withView:(UIView *)view atScale:(float)scale{
NSLog(#"END ZOOMING");
toggleScroll=1;
}
- (void)dealloc {
[mapScrollView release];
[mapImageView release];
[map_List release];
[super dealloc];
}
#end
I pressed the space bar (4) times for code, and NOPE doesn't work stack overflow still broken. :)