iOS camera launch, picture read, store demo

#import

@interface Viewcontroller:uiviewcontroller
@property (Retain, nonatomic) Iboutlet Uiimageview *IMGV;
-(Ibaction) Opencamera: (ID) sender;

-(Ibaction) Openphotolibrary: (ID) sender;

-(Ibaction) Opensavedphotoalbum: (ID) sender;

@end






#import "ViewController.h"

@implementation Viewcontroller
@synthesize IMGV;

-(void) didreceivememorywarning
{
[Super didreceivememorywarning];
Release any cached data, images, etc-aren ' t in use.
}

#pragma mark-view lifecycle

-(void) viewdidload
{
[Super Viewdidload];
Additional setup after loading the view, typically from a nib.
}

-(void) viewdidunload
{
[Self setimgv:nil];
[Super Viewdidunload];
Release any retained subviews of the main view.
e.g. Self.myoutlet = nil;
}

-(void) Viewwillappear: (BOOL) animated
{
[Super viewwillappear:animated];
}

-(void) Viewdidappear: (BOOL) animated
{
[Super viewdidappear:animated];
}

-(void) Viewwilldisappear: (BOOL) animated
{
[Super viewwilldisappear:animated];
}

-(void) Viewdiddisappear: (BOOL) animated
{
[Super viewdiddisappear:animated];
}

-(BOOL) Shouldautorotatetointerfaceorientation: (uiinterfaceorientation) interfaceorientation
{
Return YES for supported orientations
Return (interfaceorientation! = Uiinterfaceorientationportraitupsidedown);
}

-(Ibaction) Opencamera: (ID) sender
{
Uiimagepickercontroller class method to determine if the source is available Uiimagepickercontroller is a picture selection controller that can select images in three ways. Camera, Photolibrary, Savedphotoalbum
BOOL Hascamera = [Uiimagepickercontroller issourcetypeavailable:uiimagepickercontrollersourcetypecamera];// Determine if the camera is available (webcam)
if (Hascamera = = YES)
{
Uiimagepickercontroller *picker = [[Uiimagepickercontroller alloc] init];
Picker.sourcetype = Uiimagepickercontrollersourcetypecamera;
Picker.delegate = self;
picker.allowsediting = YES; Whether it can be edited
[Self presentmodalviewcontroller:picker animated:yes];
[Picker release];
}
Else
{
Uialertview *alert = [[Uialertview alloc] initwithtitle:@ "hint" message:@ "you don't have a webcam" Delegate:nil cancelbuttontitle:@ "ok!" Otherbuttontitles:nil];
[Alert show];
[Alert release];
}

}

-(void) Imagepickercontroller: (Uiimagepickercontroller *) Picker Didfinishpickingmediawithinfo: (NSDictionary *) info
{
NSLog (@ "%@", info);
//    {
Uiimagepickercontrollercroprect = "Nsrect: {{-1, 320}, {1937, 1937}}";
Uiimagepickercontrollereditedimage = "";
Uiimagepickercontrollermediametadata = {
Dpiheight = 72;
Dpiwidth = 72;
Orientation = 6;
' {Exif} ' = {
Aperturevalue = "2.970853654340484";
Brightnessvalue = "2.246098001053075";
ColorSpace = 1;
datetimedigitized = "2012:09:20 11:47:12";
datetimeoriginal = "2012:09:20 11:47:12";
Exposuremode = 0;
Exposureprogram = 2;
Exposuretime = "0.06666666666666667";
Fnumber = "2.8";
Flash = 24;
FocalLength = "3.85";
Isospeedratings = (
125
//                                               );
Meteringmode = 5;
Pixelxdimension = 2592;
pixelydimension = 1936;
Scenetype = 1;
Sensingmethod = 2;
sharpness = 2;
Shutterspeedvalue = "3.911199862602335";
Subjectarea = (
1295,
967,
699,
696
//                                           );
whitebalance = 0;
//            };
' {TIFF} ' = {
DateTime = "2012:09:20 11:47:12";
make = Apple;
Model = "IPhone 4";
Software = "5.1.1";
XResolution = 72;
YResolution = 72;
//            };
//        };
Uiimagepickercontrollermediatype = "Public.image";
Uiimagepickercontrolleroriginalimage = "";
//    }
UIImage *image = [info objectforkey:@ "Uiimagepickercontrolleroriginalimage"];
Imgv.image = image;

If you want to store a UIImage object in the default album, use the following code
Uiimagewritetosavedphotosalbum (image, nil, nil, nil);


[Self dismissmodalviewcontrolleranimated:yes];

}

-(void) Imagepickercontrollerdidcancel: (Uiimagepickercontroller *) picker
{
[Self dismissmodalviewcontrolleranimated:yes];
}

-(Ibaction) Openphotolibrary: (ID) sender//Album List
{
Uiimagepickercontroller *picker = [[Uiimagepickercontroller alloc] init];
Picker.sourcetype = uiimagepickercontrollersourcetypephotolibrary;
Picker.delegate = self;
picker.allowsediting = YES; Whether it can be edited
[Self presentmodalviewcontroller:picker animated:yes];
[Picker release];
}

-(Ibaction) Opensavedphotoalbum: (ID) sender//default album
{
Uiimagepickercontroller *picker = [[Uiimagepickercontroller alloc] init];
Picker.sourcetype = Uiimagepickercontrollersourcetypesavedphotosalbum;
Picker.delegate = self;
picker.allowsediting = YES; Whether it can be edited
[Self presentmodalviewcontroller:picker animated:yes];
[Picker release];

}
-(void) Dealloc {
[IMGV release];
[Super Dealloc];
}
@end

iOS camera launch, picture read, store demo