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how to retrieve firebase storage images in release mode?


how to retrieve firebase storage images in release mode?

By : Prakash Kumar
Date : October 15 2020, 08:10 PM
To fix this issue I use the following code to retrieve images from Firebase Storage using Firebase Database: , add proguard rules in proguard file than build your signed APK
code :
  # Add this global rule
-keepattributes Signature

# This rule will properly ProGuard all the model classes in
# the package com.yourcompany.models. Modify to fit the structure
# of your app.
-keepclassmembers class com.yourcompany.models.** {
  *;
}


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Flutter: Firebase Storage does not upload file on release mode

Flutter: Firebase Storage does not upload file on release mode


By : pralmeida
Date : March 29 2020, 07:55 AM
wish of those help I fixed it with a package called path_provider and change the following code
Before:
code :
final Directory tempDir = Directory.systemTemp;
final Directory tempDir = await getTemporaryDirectory();
Retrieve images from firebase storage by path

Retrieve images from firebase storage by path


By : Aneesh Nair
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , To create a StorageReference to a file based on its path, use the child or reference methods. E.g.
code :
let storageRef = Storage.storage().reference()
let uid = Auth.auth().currentUser.uid

let userRef = storageRef.child(uid).child("profileImg.jpg")
userRef.getData(maxSize: 1 * 1024 * 1024) { data, error in
  if let error = error {
    // Uh-oh, an error occurred!
  } else {
    // Data for "images/island.jpg" is returned
    let image = UIImage(data: data!)
  }
}
React Native Firebase - How to retrieve images from firebase storage and display in Image component?

React Native Firebase - How to retrieve images from firebase storage and display in Image component?


By : user1989654
Date : March 29 2020, 07:55 AM
hop of those help? You can call getDownloadURL() on the reference to get a URL to the image and then this can be passed as a URI source to the Image component, e.g.:
code :
const ref = firebase.storage().ref('path/to/image.jpg');
const url = await ref.getDownloadUrl();

// ... in your render

<Image
  source={{ uri: url }}
/>
Cannot retrieve images from firebase storage

Cannot retrieve images from firebase storage


By : Charfeddine Ilahi
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Exactly as @Alex said, you're not storing the valid url, that's why you're not able to retrieve those images from the database.
For storing the url perfectly from your Firebase storage to your Firebase Database, you can use a code like this:
code :
private void uploadFile(Bitmap bitmap) {

        FirebaseStorage storage = FirebaseStorage.getInstance();
        final StorageReference storageRef = storage.getReference();

        final StorageReference ImagesRef = storageRef.child("images/"+mAu.getCurrentUser().getUid()+".jpg");


        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 20, baos);
        byte[] data = baos.toByteArray();
        final UploadTask uploadTask = ImagesRef.putBytes(data);



        uploadTask.addOnFailureListener(new OnFailureListener() {
            @Override
            public void onFailure(@NonNull Exception exception) {
                Log.i("whatTheFuck:",exception.toString());
            }
        }).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
            @RequiresApi(api = Build.VERSION_CODES.KITKAT)
            @Override
            public void onSuccess(final UploadTask.TaskSnapshot taskSnapshot) {
                // taskSnapshot.getMetadata() contains file metadata such as size, content-type, and download URL.

                Task<Uri> urlTask = uploadTask.continueWithTask(new Continuation<UploadTask.TaskSnapshot, Task<Uri>>() {
                    @Override
                    public Task<Uri> then(@NonNull Task<UploadTask.TaskSnapshot> task) {
                        if (!task.isSuccessful()) {
                            Log.i("problem", task.getException().toString());
                        }

                        return ImagesRef.getDownloadUrl(); 
                    }
                }).addOnCompleteListener(new OnCompleteListener<Uri>() {
                    @Override
                    public void onComplete(@NonNull Task<Uri> task) {
                        if (task.isSuccessful()) {
                            Uri downloadUri = task.getResult();

                            DatabaseReference ref = FirebaseDatabase.getInstance().getReference().child("users").child(mAu.getCurrentUser().getUid());

                            Log.i("seeThisUri", downloadUri.toString());// This is the one you should store

                            ref.child("imageURL").setValue(downloadUri.toString());


                        } else {
                            Log.i("wentWrong","downloadUri failure");
                        }
                    }
                });
             }
        });

    }
Retrieve Images from Firebase Storage Using Angular 7

Retrieve Images from Firebase Storage Using Angular 7


By : user2750936
Date : March 29 2020, 07:55 AM
help you fix your problem Using a service is recommended to implement any complex logic. It makes an angular app more modular and it also provides reusable methods.
You can use the following code to upload images to Firebase Storage and get the downloadUrl of each upload at the same time.
code :
export class UploadService {
  private basePath = '/images';
  file: File;
  url = '';

  constructor(private afStorage: AngularFireStorage) { }

  handleFiles(event) {
    this.file = event.target.files[0];
  }

  //method to upload file at firebase storage
  async uploadFile() {
    if (this.file) {
      const filePath = `${this.basePath}/${this.file.name}`;    //path at which image will be stored in the firebase storage
      const snap = await this.afStorage.upload(filePath, this.file);    //upload task
      this.getUrl(snap);
    } else {alert('Please select an image'); }
  }

  //method to retrieve download url
  private async getUrl(snap: firebase.storage.UploadTaskSnapshot) {
    const url = await snap.ref.getDownloadURL();
    this.url = url;  //store the URL
    console.log(this.url);
  }
}
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