1天学习1个类 UIImagePickerController 示例

真机就不截图了.

直接发代码,大家可以拷贝代码直接测试~

////  main.m//  ControlDemo////  Created by watsy0007 on 12-6-3.//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.//#import <UIKit/UIKit.h>@interface ViewController : UIViewController<UINavigationControllerDelegate,UIImagePickerControllerDelegate> {}@end@implementation ViewController- (void) dealloc {        [super dealloc];}- (void) RecordMovie:(id) sender {       @autoreleasepool {         UIImagePickerController *imagePickerController = (UIImagePickerController *) sender;                sleep(2);                if (imagePickerController.cameraCaptureMode == UIImagePickerControllerCameraCaptureModePhoto) {            [imagePickerController takePicture];        } else {            [imagePickerController startVideoCapture];            sleep(10);            [imagePickerController stopVideoCapture];        }      }    }- (void) BarItemAction:(id) sender {            if ([UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypeCamera]) {        UIImagePickerController *imagePickerController = [[UIImagePickerController alloc] init];        imagePickerController.delegate = self;        imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;        //允许编辑        imagePickerController.allowsEditing = YES; //        //相机模式//        imagePickerController.cameraCaptureMode = UIImagePickerControllerCameraCaptureModeVideo;        //前后        imagePickerController.cameraDevice = UIImagePickerControllerCameraDeviceRear;        //闪光灯模式        imagePickerController.cameraFlashMode = UIImagePickerControllerCameraFlashModeOn;                //叠加view        UIView *view = [[UIView alloc] initWithFrame:CGRectMake(100, 100, 50, 50)];        view.center = self.view.center;        view.backgroundColor = [UIColor lightTextColor];        imagePickerController.cameraOverlayView = view;        [view release];                //旋转视图        imagePickerController.cameraViewTransform = CGAffineTransformMakeScale(0.5, 0.5);                //允许模式        imagePickerController.mediaTypes =        [UIImagePickerController availableMediaTypesForSourceType:         UIImagePickerControllerSourceTypeCamera];                //最长时间支持        imagePickerController.videoMaximumDuration = 100;                //视频质量        imagePickerController.videoQuality = UIImagePickerControllerQualityTypeLow;                NSLog(@"\n[UIImagePickerController availableCaptureModesForCameraDevice]\n{\n\t%@\n}",[UIImagePickerController availableCaptureModesForCameraDevice:UIImagePickerControllerCameraDeviceFront]);                NSLog(@"\n[UIImagePickerController isCameraDeviceAvailable]\n{\n\t%d\n}",[UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceFront]);                NSLog(@"\n[UIImagePickerController isFlashAvailableForCameraDevice]\n{\n\t%d\n}",[UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceFront]);                 NSLog(@"\n[UIImagePickerController isSourceTypeAvailable]\n{\n\t%d\n}",[UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceFront]);        //        imagePickerController.showsCameraControls = NO;        [self presentModalViewController:imagePickerController animated:YES];                [NSThread detachNewThreadSelector:@selector(RecordMovie:)                                  toTarget:self                                withObject:imagePickerController];                [imagePickerController release];            } else {        for (id label in self.view.subviews) {            if ([label isKindOfClass:[UILabel class]]) {                [(UILabel*)label setText:@"不支持模拟器"];            }        }    }        }- (UIBarButtonItem *) createNewItem {    UIBarButtonItem *item;        item = [[UIBarButtonItem alloc] initWithTitle:@"相机" style:UIBarButtonItemStylePlain target:self                                            action:@selector(BarItemAction:)];        return [item autorelease];}- (void) loadView {    [super loadView];    UILabel *label = [[UILabel alloc] initWithFrame:CGRectZero];    label.frame = CGRectMake(0, 0, 320, 420);    label.numberOfLines = 3;    label.textAlignment = UITextAlignmentCenter;    label.text = @"watsy0007 \n QQ:258841679\n群:125807534";    [self.view addSubview:label];    [label release];        self.title = @"UIDatePicker Class Reference Demo";        self.navigationItem.rightBarButtonItem = [self createNewItem];}- (BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {    return YES;}- (void) viewDidLoad {    [super viewDidLoad];}#pragma mark -#pragma mark UIImagePickerDelegate delegate- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo {    NSLog(@"\ndidFinishPickingImage : \n{\t%@\n}",editingInfo);}- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {        NSLog(@"\ndidFinishPickingMediaWithInfo : \n{\t%@\n}",info);}- (void) imagePickerControllerDidCancel:(UIImagePickerController *)picker {    NSLog(@"imagePickerControllerDidCancel");}@end@interface AppDelegate : UIResponder <UIApplicationDelegate>@property (strong, nonatomic) UIWindow *window;@property (strong, nonatomic) UIViewController *viewController;@end@implementation AppDelegate@synthesize window = _window;@synthesize viewController = _viewController;- (void) dealloc {    [_window release];    [_viewController release];        [super dealloc];}- (BOOL) application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {        self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];        self.viewController = [[ViewController alloc] init];        UINavigationController *controller = [[UINavigationController alloc] initWithRootViewController:self.viewController];     self.window.rootViewController = controller;    [controller release];        [self.window makeKeyAndVisible];    return YES;}@endint main(int argc, char *argv[]){    @autoreleasepool {        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));    }}