In my app i have to use photos from photolibrary ,i can get photo from library and can use that in my app but i'm unable to get the name of selected image
I'm using this
//accessing photo library like this
-(IBAction)btnAttachFileClicked:(id)sender
{
if([UIImagePickerController isSourceTypeAvailable:
UIImagePickerControllerSourceTypePhotoLibrary])
{
UIImagePickerController *picker= [[UIImagePickerController alloc]init];
picker.delegate = self;
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
[self presentModalViewController:picker animated:YES];
[picker release];
}
}
//to get name of the selected image i'm using this
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info;
{
NSURL *assetURL = [info objectForKey:UIImagePickerControllerReferenceURL];
__block NSString *fileName = nil;
ALAssetsLibrary *library = [[[ALAssetsLibrary alloc] init] autorelease];
[library assetForURL:assetURL resultBlock:^(ALAsset *asset) {
fileName = [asset.defaultRepresentation filename];
} failureBlock:nil];
}
but i cannot get image name when testing on simulator from this code,i imported AssetsLibrary framework ,is there any modifications to do please help me
i'm getting assetUrl as "assets-library://asset/asset.PNG?id=8542B1A1-7EAD-4CCB-A85B-8450826B49FA&ext=PNG"
Related
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
NSMutableDictionary* meta = [[NSMutableDictionary alloc] initWithDictionary:[info objectForKey:UIImagePickerControllerMediaMetadata]];
UIImage* img = [info objectForKey:UIImagePickerControllerOriginalImage];
if(self.locationManager.location){
NSDictionary* locationMeta = [self gpsDictionaryForLocation:self.locationManager.location];
[meta setObject:locationMeta forKey:(NSString*)kCGImagePropertyGPSDictionary];
}
ALAssetsLibrary* library = [[ALAssetsLibrary alloc] init];
[library writeImageToSavedPhotosAlbum:img.CGImage metadata:meta completionBlock:^(NSURL* assetUrl, NSError* error){
//.......
}
[picker dismissViewControllerAnimated:YES completion:nil];
}
This code worked fine in iOS7. After I upgraded my device to iOS8, the program was blocked and imagePickerView didn't dismiss.
Is this a bug in iOS8? Anyone can help me?
So my code says
no visible #interface for UIImagePicker Controller
I am using a Tab View Controller
My code for my FirstViewController.m is
#import "FirstViewController.h"
#interface FirstViewController () <UIImagePickerControllerDelegate, UINavigationControllerDelegate> {
UIImagePickerController *bailey;
UIImagePickerController *baileys;
UIImage *image;
IBOutlet UIImageView *imageView;
}
- (IBAction)takePhoto;
- (IBAction)chooseExisting;
#end
#implementation FirstViewController
- (IBAction)takePhoto {
bailey = [[UIImagePickerController alloc]init];
bailey.delegate = self;
[bailey setSourceType:UIImagePickerControllerSourceTypeCamera];
[self presentViewController:bailey animated:YES completion:NULL];
}
- (IBAction)chooseExisting {
baileys = [[UIImagePickerController alloc] init];
baileys.delegate = self;
[baileys setSourceType:UIImagePickerControllerSourceTypePhotoLibrary];
[self presentViewController:baileys animated:YES completion:NULL];
}
- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
image = [info objectForKey:UIImagePickerControllerOriginalImage];
[imageView setImage:image];
[self dismissViewControllerAnimated:YES completion:NULL];
}
- (void) imagePickerControllerDidCancel:(UIImagePickerController *)bailey {
[self dismissViewControllerAnimated:YES completion:NULL];
}
- (IBAction)ShareFB {
if ([SLComposeViewController isAvailableForServiceType:SLServiceTypeFacebook]) {
slComposeViewController = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeFacebook];
[slComposeViewController addImage:[UIImage imageNamed:#"image"]];
[slComposeViewController addURL:[NSURL URLWithString:#"http://www.agfg.com.au"]];
[self presentViewController:slComposeViewController animated:YES completion:NULL];
//I borrowed these lines of code from http://www.bit.ly/174eqjy
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *appFile = [documentsDirectory stringByAppendingString:#"upload.png"];
NSString *upLoad = [documentsDirectory stringByAppendingString:#"upload.png"];
NSData *myData = [[NSData alloc]initWithContentsOfFile:appFile];
//Here is the line that fails
[bailey addAttachmentData:myData mimeType:#"image/png" fileName:#"upload"];
//Up to here are the borrowed code lines.
}
else {
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:#"No Facebook Account Detected" message:#"There are no Facebook Accounts Detected. You can configure them in Settings." delegate:nil cancelButtonTitle:#"Dismiss" otherButtonTitles:nil];
[alert show];
}}
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#end
And my code for my FirstViewController.h is
#import <UIKit/UIKit.h>
#import <Social/Social.h>
#interface FirstViewController : UIViewController {SLComposeViewController *slComposeViewController;
UIImage *upLoad;}
- (IBAction)ShareFB;
#end
My app is designed to Take a photo and display the photo (and it does that) and then save that image to the local documents folder on the app (which I got from another post) and then specify that image to upload to Facebook (which I have)
All that works except the saving to a local documents.
If you need to store file in documents directory, use like this,
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0]; // Get documents folder
NSString *dataPath = [documentsDirectory stringByAppendingPathComponent:#"Images"];
if (![[NSFileManager defaultManager] fileExistsAtPath:dataPath])
{
[[NSFileManager defaultManager] createDirectoryAtPath:dataPath withIntermediateDirectories:NO attributes:nil error:nil];
}
NSString *imageFilePath = [NSString stringWithFormat:#"%#/%#",dataPath,#"upload.png"];
UIImage *image = [UIImage imageNamed:#"image"]; //Here place your image
NSData *imageData = [NSData dataWithData:UIImagePNGRepresentation(image)];
[imageData writeToFile:imageFilePath atomically:YES];
If you need to attach image in facebook, use this statement,
[slComposeViewController
addAttachmentData:UIImagePNGRepresentation(image, 1) mimeType:#"image/png" fileName:#"upload.png"];
With the help of Karthika, and his facebook upload code, I was typing it in when I realised that I did not need to implement local documents saving.
Facebook let me add the image in without saving it.
Thanks though Karthika, I could not have done it without you.
hi in my app i am able to take a photo or select a photo from library and display it in a imageview
but my question is how can i add a second image view and display a image in that
here is my code
- (IBAction)TakePhoto:(id)sender {
picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
[picker setSourceType:UIImagePickerControllerSourceTypeCamera];
[self presentViewController:picker animated:YES completion:NULL];
}
- (IBAction)ChoosePhoto:(id)sender {
picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
[picker setSourceType:UIImagePickerControllerSourceTypePhotoLibrary];
[self presentViewController:picker animated:YES completion:NULL];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
image = [info objectForKey:UIImagePickerControllerOriginalImage];
[ImageView setImage:image]; // "myImageView" name of any UImageView.
[self dismissViewControllerAnimated:YES completion:NULL];
}
-(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
[self dismissViewControllerAnimated:YES completion:NULL];
}
What I think from your question is you are going to select two image one bye one.
Either from camera or from photo library.
Try this one:
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
image = [info objectForKey:UIImagePickerControllerOriginalImage];
if(ImageView.image == Nil)
{
[ImageView setImage:image];
}
else if(ImageView2.image == Nil)
{
[ImageView2 setImage:image];
}
[self dismissViewControllerAnimated:YES completion:NULL];
}
I'm new to cocoa and programming, sorry if this is something basic.
I'm using ARC. I have an NSImageView component, which is controlled by DropZone class. I drag & drop an image into it, but once I try to call in the scalling method I got, it tells me that the ": ImageIO: CGImageSourceCreateWithData data parameter is nil" I assume I'm doing something wrong, just don't know what yet.
Here's my method in DropZone.m
- (void)scaleIcons:(NSString *)outputPath{
NSImage *anImage;
NSSize imageSize;
NSString *finalPath;
anImage = [[NSImage alloc]init];
anImage = image;
imageSize = [anImage size];
imageSize.width = 512;
imageSize.height = 512;
[anImage setSize:imageSize];
finalPath = [outputPath stringByAppendingString:#"/icon_512x512.png"];
NSData *imageData = [anImage TIFFRepresentation];
NSBitmapImageRep *rep = [NSBitmapImageRep imageRepWithData:imageData];
NSData *dataToWrite = [rep representationUsingType:NSPNGFileType properties:nil];
[dataToWrite writeToFile:finalPath atomically:NO];
}
The DropZone.h
#interface DropZone : NSImageView <NSDraggingDestination>{
NSImage *image;
}
- (void)scaleIcons:(NSString *)outputPath;
#end
And here's how I call it it my AppDelegate.m
- (IBAction)createIconButtonClicked:(id)sender {
NSFileManager *filemgr;
NSString *tempDir;
filemgr = [NSFileManager defaultManager];
tempDir = [pathString stringByAppendingString:#"/icon.iconset"];
NSURL *newDir = [NSURL fileURLWithPath:tempDir];
[filemgr createDirectoryAtURL: newDir withIntermediateDirectories:YES attributes: nil error:nil];
DropZone *myZone = [[DropZone alloc] init];
[myZone scaleIcons:tempDir];
NSAlert *alert = [[NSAlert alloc] init];
[alert setMessageText:#"Done!"];
[alert runModal];
}
the image get's pulled from the pastebaord:
- (BOOL)performDragOperation:(id<NSDraggingInfo>)sender{
if ([NSImage canInitWithPasteboard:[sender draggingPasteboard]]) {
image = [[NSImage alloc]initWithPasteboard:[sender draggingPasteboard]];
[self setImage:image];
[self setImageAlignment: NSImageAlignCenter];
}
return YES;
}
For some reason my "image" gets lost. Could somebody help?
The problem is that you're creating a new instance of DropZone in your app delegate, but I'm assuming that you created the image view in IB and changed its class to DropZone. Is that correct? If so, you need to have an IBOutlet in the app delegate connected to the image view in IB, and have this:
[self.iv scaleIcons:tempDir];
where iv is my IBOutlet.
Without knowing where "image" comes from, I would say your problem is in these lines...
anImage = [[NSImage alloc]init];
anImage = image;
You should just grab the image from the imageView...
anImage = [myImageView image];
I am trying to make a simple app to take a picture and save the file to both a UIImageview and to the documents folder so it can be recalled at a later time as the UIImageview. To get visibility into if the app is actually making a file, I have turned on Application supports iTunes File sharing within the .plist file.
Problem is the file generated is zero bytes. I have tried both PNG and JPG format.
- (IBAction)picImage:(id)sender {
imagePicker = [[UIImagePickerController alloc] init];
imagePicker.delegate = self;
//check to see if the device has camera capability
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])
{
imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
}
else
{
imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
}
[self presentViewController:imagePicker animated:YES completion:nil];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
//set the UIImageView to the selected image
playerImage.image = [info objectForKey:UIImagePickerControllerOriginalImage];
//obtaining saving path
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *imagePath = [documentsDirectory stringByAppendingPathComponent:#"player.png"];
UIImage *editedImage = [UIImage imageWithContentsOfFile:imagePath];
NSData *imageData = UIImagePNGRepresentation(editedImage);
//NSData *imageData = UIImageJPEGRepresentation(editedImage,1.0);
// This actually creates the image at the file path specified, with the image's NSData.
[[NSFileManager defaultManager] createFileAtPath:imagePath contents:imageData attributes:nil];
//dismiss the imagepicker view controller
[self dismissViewControllerAnimated:YES completion:nil];
}
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[self dismissViewControllerAnimated:YES completion:nil];
}
Try this code and let me know is it working or not..!!!!
- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *strimagename;
strimagename=[NSString stringWithFormat:#"Test.jpg"];
NSString *thumbFilePath = [documentsDirectory stringByAppendingPathComponent:strimagename];
UIImage *image = [info objectForKey:#"UIImagePickerControllerOriginalImage"];
NSData *thumbData = UIImageJPEGRepresentation(image, 1);
[thumbData writeToFile:thumbFilePath atomically:YES];
[imgPicker dismissModalViewControllerAnimated:YES];
This code will save image in documentory folder..
Happy Coding..!!!!!!