viewPager 不显示 Glide 图像

viewPager does not show Glide image

我在使用 "viewPager" 将 "Glide" 图像加载到 "ImageView" 时遇到问题。

当我尝试使用 "drawable" 资源时它工作正常但出于某种原因(我猜是因为它是异步的)它不会等待 Glide 更新视图。没有什么崩溃只有 3 个屏幕的空白 viewPager。

P.S 此外,"Firebase" 设置工作正常。

我知道用这么多库和东西复制一个问题非常困难,但如果你能在评论部分提出一些建议那就太好了

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;

import com.bumptech.glide.Glide;
import com.firebase.ui.storage.images.FirebaseImageLoader;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.StorageReference;

public class ScreenSlidePageFragment extends Fragment {
    public static final String ARG_OBJECT = "object";

    // Firebase Initial code.
    private FirebaseStorage storage = FirebaseStorage.getInstance();
    private StorageReference storageRef = storage.getReferenceFromUrl("gs://myfirebase_example");
    private StorageReference fileRef = storageRef.child("images/3.jpg");

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    ViewGroup rootView = (ViewGroup) inflater.inflate(
            R.layout.fragment_screen_slide_page, container, false);

    Bundle args = getArguments();

    //TODO: Find out how to load the images with Glide, now it is not waiting.
    ImageView imageView = (ImageView) rootView.findViewById(R.id.imageView);
    //setImageResource(args.getInt(ARG_OBJECT));

    // Getting one image from the DB, it is working perfectly.
    Glide.with(getActivity())
            .using(new FirebaseImageLoader())
            .load(fileRef)
            .into(imageView);

    return rootView;
}
}

问题是缺少 ImageView 片段的默认图像。目前一切正常。

    <ImageView
    android:id="@+id/imageView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:srcCompat="@android:drawable/screen_background_dark" />