iOS8之后UIAlertView被弃用 UIAlertController成功上位

如图所示当你UIAlert时  UIAlertView被划了一道红线  说明oc已经弃用了UIAlertView  随之而来的是UIAlertController

那么UIAlertController怎么用呢  会不会很麻烦

别急  看代码

我现在需要一个弹出框  然后选择图片的来源 是从相册获取还是拍照

代码  点击已经设置好的icon  弹框  

#pragma mark --更改icon--
- (void)changeIconImage{
    
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"选择图片来源" message:nil preferredStyle:UIAlertControllerStyleAlert];
    
    UIAlertAction *photography = [UIAlertAction actionWithTitle:@"拍照" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        [self photography];
    }];
    UIAlertAction *photoSelect = [UIAlertAction actionWithTitle:@"从相册选取" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        [self photoSelect];
    }];
    UIAlertAction *cancel = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:nil];
    
    [alert addAction:photography];
    [alert addAction:photoSelect];
    [alert addAction:cancel];
    
    [self presentViewController:alert animated:YES completion:nil];
    
//    UIActionSheet *as = [[UIActionSheet alloc] initWithTitle:@"选择图片来源" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"从相册选取", @"拍照", nil];
//    
//    [as showInView:self.view];
    
}

#pragma mark --photography拍照--
- (void)photography{
    
    UIImagePickerController *ipc = [[UIImagePickerController alloc] init];
    
    ipc.navigationBar.backgroundColor = [UIColor redColor];
    //判断设备是否支持这种sourcetype
    if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]){
        ipc.sourceType = UIImagePickerControllerSourceTypeCamera;
    }
    ipc.delegate = self;
    //是否允许编辑
    ipc.allowsEditing = YES;
    [self presentViewController:ipc animated:YES completion:nil];
    
}

- (void)photoSelect{
    
    UIImagePickerController *ipc = [[UIImagePickerController alloc] init];
    ipc.navigationBar.backgroundColor = [UIColor redColor];
    //判断设备是否支持这种sourcetype
    if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeSavedPhotosAlbum]){
        ipc.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
    }
    ipc.delegate = self;
    //是否允许编辑
    ipc.allowsEditing = YES;
    
    [self presentViewController:ipc animated:YES completion:nil];
}

#pragma mark---ImagePickerControllerDelegate---
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{

    UIImage *image = [info valueForKey:UIImagePickerControllerOriginalImage];
    iconImageView.image = image;
    [picker dismissViewControllerAnimated:NO completion:nil];
}

这三段代码连起来问题就解决了 不过亲 要记得加上  UIImagePickerControllerDelegate , UINavigationControllerDelegate 这两个

下面解决问题的图片  测试 图片成功替换  没任何问题