UIAlertController

UIAlertController * alert =[UIAlertController alertControllerWithTitle:@"新建相册" message:@"请输入新建相册的名字" preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"cancel" style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {

}];

UIAlertAction *otherAction = [UIAlertAction actionWithTitle:@"ok" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

}];

[alert addAction:cancelAction];

[alert addAction:otherAction];

[alert addTextFieldWithConfigurationHandler:nil];

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



UIAlertController * alert =[UIAlertController alertControllerWithTitle:@"选择方式" message:@"" preferredStyle:UIAlertControllerStyleActionSheet];

UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"cancel" style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {

}];

UIAlertAction *photoLibraryAction = [UIAlertAction actionWithTitle:@"从相册读取" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

}];

UIAlertAction *takePhotoAction = [UIAlertAction actionWithTitle:@"拍照" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

}];

[alert addAction:cancelAction];

[alert addAction:takePhotoAction];

[alert addAction:photoLibraryAction];

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