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Android 从firebase接收IMG到RecyclewView

android firebase

Android 从firebase接收IMG到RecyclewView,android,firebase,android-recyclerview,firebaseui,android-glide,Android,Firebase,Android Recyclerview,Firebaseui,Android Glide,我的RecyclerView未在基准上显示存储的图像。 为了更方便用户管理我的数据，我使用FirebaseUI；为了加载我的IMG，我使用GLIDE（GlideApp方法） 因此： 舱单： <uses-permission android:name="android.permission.GET_ACCOUNTS" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

我的RecyclerView未在基准上显示存储的图像。 为了更方便用户管理我的数据，我使用FirebaseUI；为了加载我的IMG，我使用GLIDE（GlideApp方法）

因此：

舱单：

    <uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.READ_PROFILE" />
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.CAMERA" />
我的数据库：

我的FOTOMODEL.CLASS：

public class PhotoModel {

@Exclude private String desc;
@Exclude private String image;
@Exclude private String  title;

public PhotoModel(String desc, String image, String title) {
    this.desc = desc;
    this.image = image;
    this.title = title;
}
//firebase
public PhotoModel (){

}

public String getDesc() {
    return desc;
}

public void setDesc(String desc) {
    this.desc = desc;
}

@Keep
public String getImage() {
    return image;
}
@Keep
public void setImage(String image) {
    this.image = image;
}


public String getTitle() {
    return title;
}

public void setTitle(String title) {
    this.title = title;
}
滑动模块：

public void registerComponents(Context context, Glide glide, Registry registry) {
// Register FirebaseImageLoader to handle StorageReference
registry.append(StorageReference.class, InputStream.class,
        new FirebaseImageLoader.Factory());
}

最后是我的代码：

    private RecyclerView recyclerList;

DatabaseReference mDatabaseStorage ;
FirebaseStorage mFirebaseStorage;
FirebaseRecyclerAdapter  firebaseRecyclerAdapter;
Query query;


@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    setContentView(R.layout.activity_photo);
    super.onCreate(savedInstanceState);

    mDatabaseStorage = FirebaseDatabase.getInstance().getReference().child("Blog");

    Toolbar toolbar = (Toolbar) findViewById(R.id.myToolbar);
    setSupportActionBar(toolbar);
    toolbar.setNavigationOnClickListener(view -> onBackPressed());

    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    query = FirebaseDatabase.getInstance().getReference("Blog");

    ChildEventListener childEventListener = new ChildEventListener() {
        @Override
        public void onChildAdded(DataSnapshot dataSnapshot, String previousChildName) {
            // ...
        }

        @Override
        public void onChildChanged(DataSnapshot dataSnapshot, String previousChildName) {
            // ...
        }

        @Override
        public void onChildRemoved(DataSnapshot dataSnapshot) {
            // ...
        }

        @Override
        public void onChildMoved(DataSnapshot dataSnapshot, String previousChildName) {
            // ...
        }

        @Override
        public void onCancelled(DatabaseError databaseError) {
            // ...
        }
    };
    query.addChildEventListener(childEventListener);

    recyclerList = (RecyclerView)findViewById(R.id.recycler_view);
    recyclerList.setHasFixedSize(true);
    recyclerList.setLayoutManager(new LinearLayoutManager(this));
}

@Override
protected void onStart() {
    super.onStart();

    FirebaseRecyclerOptions<PhotoModel> options = new FirebaseRecyclerOptions.Builder<PhotoModel>()
                    .setQuery(query, PhotoModel.class)
                    .build();

    mFirebaseStorage = FirebaseStorage.getInstance();

    firebaseRecyclerAdapter = new FirebaseRecyclerAdapter<PhotoModel, PhotoViewHolder>(options) {

        @Override
        public void onError(DatabaseError e) {
            Log.e("FirebaseRecyclerAdapter", e.toString());
        }
        @NonNull
        @Override
        public PhotoViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
            View view = LayoutInflater.from(parent.getContext())
                    .inflate(R.layout.recycler_single_photo_row, parent, false);
            return new PhotoViewHolder (view) ;
        }
        @Override
        protected void onBindViewHolder(@NonNull PhotoViewHolder holder, int position, @NonNull PhotoModel model) {

            Uri myUri = Uri.parse(model.getImage().toString());
            Log.i("ImageFromModel", model.getImage().toString());

           GlideApp.with(getApplicationContext())
                    .load(myUri)
                    .centerCrop()
                    .error(R.drawable.ic_error_black_24dp)
                    .listener(new RequestListener<Drawable>() {
                        @Override
                        public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Drawable> target, boolean isFirstResource) {
                            Log.e("TAG_FROM_GLIDE", "Error loading image", e);
                            return false;
                        }

                        @Override
                        public boolean onResourceReady(Drawable resource, Object model, Target<Drawable> target, DataSource dataSource, boolean isFirstResource) {
                            return false;
                        }
                    })
                    .fitCenter()
                    .into(holder.firebaseImages);

        }

    };

    recyclerList.setAdapter(firebaseRecyclerAdapter);
    firebaseRecyclerAdapter.startListening();
}



public static class PhotoViewHolder extends RecyclerView.ViewHolder {

    public  ImageView firebaseImages;


    View globalView;

    public PhotoViewHolder(View itemView) {
        super(itemView);

        this.firebaseImages = (ImageView) itemView.findViewById(R.id.imageFirebase);
        globalView = itemView;
    }

    public void setTitle (String title){
        TextView post_name = (TextView) globalView.findViewById(R.id.photo_name);
        post_name.setText(title);
    }
    public void setDesc (String desc){
        TextView post_desc = (TextView) globalView.findViewById(R.id.photo_desc);
        post_desc.setText(desc);
    }



}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main_menu,menu);
    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {

    if ( item.getItemId() == R.id.addPhotoActivity) {
        Intent intent = new Intent(PhotoActivity.this, AddNewPhotoActivity.class);
        startActivity(intent);
    }
    return true;
}
  • 日志来自LOG.i（“ImageFromModel”，model.getImage（）.toString（））

    content://com.example.htw.mytestapp.provider/my_images/Android/data/com.example.htw.mytestapp/files/Pictures/JPEG_20180613_104007_-1022454302.jpg content://com.example.htw.mytestapp.provider/my_images/Android/data/com.example.htw.mytestapp/files/Pictures/JPEG_20180613_104052_-450216218.jpg content://com.example.htw.mytestapp.provider/my_images/Android/data/com.example.htw.mytestapp/files/Pictures/JPEG_20180613_104118_1956285222.jpg content://com.example.htw.mytestapp.provider/my_images/Android/data/com.example.htw.mytestapp/files/Pictures/JPEG_20180619_114556_5693763765908649752.jpg content://com.example.htw.mytestapp.provider/my_images/Android/data/com.example.htw.mytestapp/files/Pictures/JPEG_20180621_123728_-880882730.jpg

我还尝试：

StorageReference storage=mFirebaseStorage.getReference（）.child（model.getImage（））； + GlideApp.with（getApplicationContext（）） .装载（储存）

但不是工作日志：

06-25 11:42:49.454 17886-17886/com.example.htw.mytestapp E/TAG_FROM_GLIDE: Error loading image
class com.bumptech.glide.load.engine.GlideException: Failed to load resource
There was 1 cause:
com.google.firebase.storage.StorageException(Object does not exist at location.)
 call GlideException#logRootCauses(String) for more detail
  Cause (1 of 1): class com.bumptech.glide.load.engine.GlideException: Fetching data failed, class java.io.InputStream, REMOTE
There was 1 cause:
com.google.firebase.storage.StorageException(Object does not exist at location.)
 call GlideException#logRootCauses(String) for more detail
    Cause (1 of 1): class com.google.firebase.storage.StorageException: Object does not exist at location.
firebase数据库中的下载url链接不是您需要的，而是
内容：示例
。。。你只需要照片的纯链接

你需要这个网址

从url加载位图

try {
                    String imageUrl = "your/url/image.jpg";
                    InputStream in = (InputStream) new URL(imageUrl).getContent();
                    Bitmap bitmap = BitmapFactory.decodeStream(in);
//Store your bitmap for reuse
                    container.bitmap = bitmap;
                    in.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }
然后可以使用
ImageView.setImageBitmap（container.bitmap）
解决方案

全球验证：

私有字符串uploadImageUrl

添加im我的添加PhotoButton方法：

newPostDatabase.child（“url_link”）.setValue（uploadImageUrl）

附加模块：

filepatch.putFile（photoURI）.addOnSuccessListener

添加以下内容：


          filepatch.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {
                    @Override
                    public void onSuccess(Uri uri) {
                        Uri downloadUrl = uri;
                        uploadImageUrl = downloadUrl.toString();
                        Log.i("photoURI",uploadImageUrl ) ;
                    }
                });



filepatch.getDownloadUrl（）.addOnSuccessListener（新的OnSuccessListener（））{
@凌驾
成功时的公共无效（Uri）{
Uri downloadUrl=Uri；
uploadImageUrl=downloadUrl.toString（）；
Log.i（“photoURI”，uploadImageUrl）；
}
});

我以前没有使用过Glide，但如果您不介意的话，我有另一种从url获取图像位图的方法，我可以在本课程中发布代码，我会尝试一切。我不需要一个文件的URL，而是整个存储文件夹的URL来加载到GlideApp方法加载。你应该像现在一样存储每个图像URL，并检索每个URL，你不能从你存储的文件夹中加载一堆照片content://com.example.htw.mytestapp.provider/my_images/Android/data/com.example.htw.mytestapp/files/Pictures/JPEG_20180613_104007_-1022454302.jpg 和其他人将它们放入某个对象（列表？），然后将此列表放入GlideApp.load？你能提供一些例子吗？抱歉，这不是firebase使用glide的方式，glide只是从URL打开一个图像，或者只是从你的应用程序中打开一个可绘制的图像，如果你想从firebase加载图像，你应该获得照片的下载URL，检查我制作的这段视频，它是西班牙语的，但它可以帮助你了解它的工作原理，第1部分和第2部分我看了你们的视频，但并没有ansewr，放一个文件是很简单的工作，我要求一些更复杂的东西

try {
                    String imageUrl = "your/url/image.jpg";
                    InputStream in = (InputStream) new URL(imageUrl).getContent();
                    Bitmap bitmap = BitmapFactory.decodeStream(in);
//Store your bitmap for reuse
                    container.bitmap = bitmap;
                    in.close();
                } catch (Exception e) {
                    e.printStackTrace();
                }



          filepatch.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {
                    @Override
                    public void onSuccess(Uri uri) {
                        Uri downloadUrl = uri;
                        uploadImageUrl = downloadUrl.toString();
                        Log.i("photoURI",uploadImageUrl ) ;
                    }
                });