在使用 Xcode 7 构建到您的设备时，是否有人遇到过云存储问题？在我的模拟器中与 AWSS3 存储桶的接口工作正常，但在使用 Xcode 7 beta 构建到我的手机后实际上并不能正常工作。它不会崩溃或任何事情，我只是无法将数据加载到我的 S3 存储桶中。
代码如下。随意选择一个实现（例如，删除）并对其进行测试。我有一个免费的开发者帐户，我只使用 Xcode 7 在我的设备上构建。
viewController.h
#import <UIKit/UIKit.h>
#import <AWSS3/AWSS3.h>
@interface tableTableViewController : UIViewController <UIImagePickerControllerDelegate, UINavigationControllerDelegate, UITableViewDelegate>
@property (weak, nonatomic) IBOutlet UIImageView *image;
- (IBAction)cameraRoll:(id)sender;
- (IBAction)editButton:(id)sender;
@property (strong, nonatomic) NSMutableArray *imageNames;
@property (weak, nonatomic) IBOutlet UITableView *tableView;
@property (strong, nonatomic) NSMutableArray *imageObjects;
@property (strong, nonatomic) AWSS3TransferManager *transferManager;
@end
视图控制器.M
@interface UIViewController () {
}
@end
@implementation tableTableViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.transferManager = [AWSS3TransferManager defaultS3TransferManager];
self.view.backgroundColor = [UIColor whiteColor];
[self listAllObjects];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
- (IBAction)cameraRoll:(id)sender {
UIImagePickerController *iPhonePicker = [[UIImagePickerController alloc]init];
[iPhonePicker setDelegate:self];
//UIPopoverController *iPadPicker = [[UIPopoverController alloc]init];
UIImagePickerController *iPadPicker = [[UIImagePickerController alloc]init];
[iPadPicker setDelegate:self];
if ([[UIDevice currentDevice]userInterfaceIdiom]==UIUserInterfaceIdiomPhone) {
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
[iPhonePicker allowsEditing];
[iPhonePicker setSourceType:UIImagePickerControllerSourceTypePhotoLibrary];
}
else {
[iPhonePicker setAllowsEditing:YES];
[iPhonePicker setSourceType:UIImagePickerControllerSourceTypeCamera];
}
[self presentViewController:iPhonePicker animated:YES completion:nil];
}
// else if([[UIDevice currentDevice]userInterfaceIdiom]==UIUserInterfaceIdiomPad) {
// if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
// [iPadPicker setAllowsEditing:YES];
// [iPadPicker setSourceType:UIImagePickerControllerSourceTypeCamera];
// }
// else {
// [iPadPicker allowsEditing];
// [iPadPicker setSourceType:UIImagePickerControllerSourceTypePhotoLibrary];
//CREATE POPOVER
// }
}
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];
[self.image setImage:image];
[self uploadImage:info];
if ([[UIDevice currentDevice]userInterfaceIdiom]==UIUserInterfaceIdiomPhone) {
[self dismissViewControllerAnimated:YES completion:nil];
}
dispatch_async(dispatch_get_main_queue(), ^{
[self.tableView reloadData];
});
}
-(void) uploadImage:(NSDictionary*)info {
imageObject *a = [imageObject new];
UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];
NSString *imagePath = [NSTemporaryDirectory() stringByAppendingPathComponent:@"upload-image.tmp"];
NSData *imageData = UIImagePNGRepresentation(image);
NSString *fileName = [[NSString alloc] initWithFormat:@"%f.jpg", [[NSDate date] timeIntervalSince1970 ] ];
[imageData writeToFile:imagePath atomically:YES];
a.image = image;
a.key = fileName;
[self.imageObjects addObject:a];
AWSS3TransferManagerUploadRequest *uploadRequest = [AWSS3TransferManagerUploadRequest new];
uploadRequest.bucket = @"karanphotos";
uploadRequest.key = fileName;
uploadRequest.body = [NSURL fileURLWithPath:imagePath];
[[self.transferManager upload:uploadRequest] continueWithExecutor:[AWSExecutor mainThreadExecutor] withBlock:^id(AWSTask *task) {
if (task.error != nil) {
NSLog(@"%@ is causing error", uploadRequest.key);
}
else {
NSLog(@"Upload successful");
}
return nil;
}];
}
-(void) listAllObjects {
AWSS3 *S3 = [AWSS3 defaultS3];
AWSS3ListObjectsRequest *listObjects = [AWSS3ListObjectsRequest new];
listObjects.bucket = @"karanphotos";
self.imageNames = [NSMutableArray new];
self.imageObjects = [NSMutableArray new];
[[S3 listObjects:listObjects]continueWithBlock:^id(AWSTask *task) {
if (task.error) {
NSLog(@"listObjects failed-->%@", task.error);
}
else {
AWSS3ListObjectsOutput *output = task.result;
for (AWSS3Object *temp in output.contents) {
imageObject *a = [imageObject new];
a.key = temp.key;
[self.imageObjects addObject:a];
}
}
[self downloadImages:self.imageObjects];
return nil;
}];
}
-(void) downloadImages:(NSMutableArray *)imageNames {
for (imageObject *a in imageNames) {
NSString *downloadingFilePath = [NSTemporaryDirectory() stringByAppendingPathComponent:[NSString stringWithFormat:@"downloaded-%@", a.key]];
NSURL *url = [NSURL fileURLWithPath:downloadingFilePath];
AWSS3TransferManagerDownloadRequest *download = [AWSS3TransferManagerDownloadRequest new];
download.bucket = @"karanphotos";
download.key = a.key;
download.downloadingFileURL = url;
[[self.transferManager download:download] continueWithExecutor:[AWSExecutor mainThreadExecutor] withBlock:^id(AWSTask *task) {
if (task.error) {
if ([task.error.domain isEqualToString:AWSS3TransferManagerErrorDomain]) {
switch (task.error.code) {
case AWSS3TransferManagerErrorCancelled:
case AWSS3TransferManagerErrorPaused:
break;
default:
NSLog(@"Error: %@", task.error);
break;
}
}
else {
NSLog(@"%@", task.error);
}
}
if (task.result) {
AWSS3TransferManagerDownloadOutput *downloadOutput = task.result;
NSLog(@"success");
UIImage *image = [[UIImage alloc]initWithData:[NSData dataWithContentsOfFile:downloadOutput.body]];
a.image = image;
dispatch_async(dispatch_get_main_queue(), ^{
[self.tableView reloadData];
});
}
return nil;
}];
}
}
- (IBAction)editButton:(id)sender {
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell" forIndexPath:indexPath];
imageObject *a = [self.imageObjects objectAtIndex:indexPath.row];
self.image.image = a.image;
cell.textLabel.text = a.key;
return cell;
}
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
imageObject *a = [self.imageObjects objectAtIndex:indexPath.row];
self.image.image = a.image;
}
// Override to support conditional editing of the table view.
- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
// Return NO if you do not want the specified item to be editable.
return YES;
}
- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
if (editingStyle == UITableViewCellEditingStyleDelete) {
imageObject *a = [self.imageObjects objectAtIndex:indexPath.row];
[self.imageObjects removeObject:a];
[tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
AWSS3DeleteObjectRequest *deleteReqest = [AWSS3DeleteObjectRequest new];
deleteReqest.bucket = @"karanphotos";
deleteReqest.key = a.key;
[self deleteObjectFromBucket:deleteReqest];
} }
-(void)deleteObjectFromBucket:(AWSS3DeleteObjectRequest *)deleteRequest {
AWSS3 *s3 = [AWSS3 defaultS3];
[[s3 deleteObject:deleteRequest] continueWithBlock:^id(AWSTask *task) {
if(task.error){
if(task.error.code != AWSS3TransferManagerErrorCancelled && task.error.code != AWSS3TransferManagerErrorPaused){
NSLog(@"Error: [%@]", task.error);
}
}
else {
NSLog(@"Successfully deleted");
}
dispatch_async(dispatch_get_main_queue(), ^{
if (self.imageObjects.count == 0) {
[self.image setImage:nil];
[self.tableView reloadData];
}
});
return nil;
}];
}
- (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
}
- (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
return YES;
}
#pragma mark - Navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.imageObjects.count;
}
@end