iOS 换头像

 换头像 必须添加info.plist 的两个权限  摄像头和相册

添加协议  添加成员变量

{

UITableView *tableV;

UIImagePickerController *pickerC;

UIImageView *imageV;

UIImage *myImage;

}

@property (nonatomic,strong)NSMutableArray *Marr;

@end

------------------------       初始化图片选择器    ----------------------

pickerC = [[UIImagePickerController alloc]init];

pickerC.delegate = self;

pickerC.allowsEditing = YES;

 -----------------------       实现代理方法     -----------------------

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{    return self.Marr.count;}-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{    static NSString *cellID = @"cyy";        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellID];        if (!cell) {        cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:cellID];    }    cell.textLabel.text = self.Marr[indexPath.row];            NSInteger Tag = 10;    imageV = [cell.contentView viewWithTag:Tag];        if (!imageV) {        imageV = [[UIImageView alloc]initWithFrame:CGRectMake(self.view.frame.size.width - 80, 10, 60, 60)];                imageV.backgroundColor = [UIColor redColor];        imageV.image = [UIImage imageNamed:@"1"];                [cell.contentView addSubview:imageV];    }    imageV.image = myImage;    return cell;}-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{        if(indexPath.row == 0){                UIAlertController *alert = [[UIAlertController alloc]init];                UIAlertAction *action = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {            NSLog(@"取消");        }];                UIAlertAction *action1 = [UIAlertAction actionWithTitle:@"相机" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {            NSLog(@"打开相机");                        [self openXJ];                    }];                UIAlertAction *action2 = [UIAlertAction actionWithTitle:@"相册" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {            NSLog(@"打开相册");                        [self openXC];        }];                [alert addAction:action];        [alert addAction:action1];        [alert addAction:action2];                [self presentViewController:alert animated:YES completion:nil];    }    }- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(nullable NSDictionary*)editingInfo NS_DEPRECATED_IOS(2_0, 3_0){

if(picker.sourceType == UIImagePickerControllerSourceTypeCamera){

UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil);

}

myImage = image;

[tableV reloadData];

[self dismissViewControllerAnimated:YES completion:nil];

}

-(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{

[self dismissViewControllerAnimated:YES completion:nil];

}

-(void)openXJ{

if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {

pickerC.sourceType = UIImagePickerControllerSourceTypeCamera;

[self presentViewController:pickerC animated:YES completion:nil];

}else{

NSLog(@"打开失败");

}

}

-(void)openXC{

if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary]) {

pickerC.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;

[self presentViewController:pickerC animated:YES completion:nil];

}else{

NSLog(@"打开失败");

}

}