java - Firebase 未将文件上传到存储桶

Question

我正在创建一个聊天应用程序，用户可以在其中创建组。当用户创建群组时，他/她可以选择群组头像。但如果我选择图像，它就不会上传。该怎么办？

我检查了代码，没有任何错误

CreateGroupActivity.java:

package com.satyamedh.chitchatmessenger;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.google.android.gms.ads.AdListener;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
import com.google.android.gms.ads.MobileAds;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.theartofdev.edmodo.cropper.CropImage;
import com.theartofdev.edmodo.cropper.CropImageView;

import de.hdodenhof.circleimageview.CircleImageView;

public class CreateGroupActivity extends AppCompatActivity
{


    private CircleImageView circleImageView;
    private EditText editText;
    private Button buttonconf, buttoncanc;

    private Uri resultUri;
    private final static int chosenProfileImage = 1;


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

        initializeFields();

        buttoncanc.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent profileIntent = new Intent(CreateGroupActivity.this, MainActivity.class);
                startActivity(profileIntent);
            }
        });

        buttonconf.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (TextUtils.isEmpty(editText.getText())){
                    Toast.makeText(CreateGroupActivity.this, "Please enter text..", Toast.LENGTH_SHORT).show();
                }
                else
                {
                    DatabaseReference rootref = FirebaseDatabase.getInstance().getReference();

                    Intent settingsIntent = new Intent(CreateGroupActivity.this, chooseUserActivity.class);
                    String key = rootref.push().getKey();
                    settingsIntent.putExtra("groupKey", key);
                    settingsIntent.putExtra("groupImage", resultUri);
                    settingsIntent.putExtra("groupName", editText.getText().toString());
                    startActivity(settingsIntent);
                }
            }
        });

        circleImageView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent galleryIntent = new Intent();
                galleryIntent.setAction(Intent.ACTION_GET_CONTENT);
                galleryIntent.setType("image/*");
                startActivityForResult(galleryIntent, chosenProfileImage);
            }
        });

    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);



        if(requestCode == chosenProfileImage && resultCode == RESULT_OK && data != null)
        {
            Uri imageUri = data.getData();

            CropImage
                    .activity()
                    .setGuidelines(CropImageView.Guidelines.ON)
                    .start(this);

        }

        if (requestCode == CropImage.CROP_IMAGE_ACTIVITY_REQUEST_CODE)
        {
            final CropImage.ActivityResult result = CropImage.getActivityResult(data);

            if(resultCode == RESULT_OK) {

                resultUri = result.getUri();

                circleImageView.setImageURI(resultUri);


            }

        }


    }

    private void initializeFields()
    {


        MobileAds.initialize(this, "ca-app-pub-3127817354023186~6842500243");
        final AdView mAdView;

        mAdView = findViewById(R.id.my_adView_createGroup);
        AdRequest adRequest = new AdRequest.Builder().build();
        mAdView.loadAd(adRequest);
        mAdView.setAdListener(new AdListener() {
            @Override
            public void onAdLoaded() {
                // Code to be executed when an ad finishes loading.
            }

            @Override
            public void onAdFailedToLoad(int errorCode) {
                // Code to be executed when an ad request fails.
            }

            @Override
            public void onAdOpened() {
                // Code to be executed when an ad opens an overlay that
                // covers the screen.
            }

            @Override
            public void onAdClicked() {



                // Code to be executed when the user clicks on an ad.
            }

            @Override
            public void onAdLeftApplication() {
                // Code to be executed when the user has left the app.
            }

            @Override
            public void onAdClosed() {
                // Code to be executed when the user is about to return
                // to the app after tapping on an ad.
            }
        });

        circleImageView = findViewById(R.id.create_group_image);
        editText = findViewById(R.id.create_group_name);
        buttonconf = findViewById(R.id.confirm_button);
        buttoncanc = findViewById(R.id.cancel_button);


    }
}

选择UserActivity.java:

package com.satyamedh.chitchatmessenger;


import android.annotation.SuppressLint;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.TextView;
import android.widget.Toast;

import com.firebase.ui.database.FirebaseRecyclerAdapter;
import com.firebase.ui.database.FirebaseRecyclerOptions;
import com.google.android.gms.ads.AdListener;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
import com.google.android.gms.ads.MobileAds;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.UploadTask;
import com.squareup.picasso.Picasso;

import java.util.HashMap;
import java.util.Objects;

import de.hdodenhof.circleimageview.CircleImageView;


/**
 * A simple {@link Fragment} subclass.
 */
public class chooseUserActivity extends AppCompatActivity {


    private RecyclerView myRecyclerList;

    private DatabaseReference ContactsRef, UsersRef;

    private String currentUID;

    private DatabaseReference groupsRef;

    private Button confirmButton;

    private String downloadUrl       ;







    @Override
    protected void onCreate(Bundle savedInstanceState) {
        setContentView(R.layout.activity_choose_user);


        super.onCreate(savedInstanceState);
        initializeFields();


    }

    private void initializeFields()
    {
        myRecyclerList = findViewById(R.id.users_choser_group);
        myRecyclerList.setLayoutManager(new LinearLayoutManager(chooseUserActivity.this));
        FirebaseAuth mAuth = FirebaseAuth.getInstance();
        currentUID = mAuth.getCurrentUser().getUid();

        ContactsRef = FirebaseDatabase.getInstance().getReference().child("Contacts").child(currentUID);
        UsersRef = FirebaseDatabase.getInstance().getReference().child("Users");

        confirmButton = findViewById(R.id.confirm_group);

        MobileAds.initialize(this, "ca-app-pub-3127817354023186~6842500243");

        final AdView mAdView;

        mAdView = findViewById(R.id.choose_user_adView);
        AdRequest adRequest = new AdRequest.Builder().build();
        mAdView.loadAd(adRequest);
        mAdView.setAdListener(new AdListener() {
            @Override
            public void onAdLoaded() {
                // Code to be executed when an ad finishes loading.
            }

            @Override
            public void onAdFailedToLoad(int errorCode) {
                // Code to be executed when an ad request fails.
            }

            @Override
            public void onAdOpened() {
                // Code to be executed when an ad opens an overlay that
                // covers the screen.
            }

            @Override
            public void onAdClicked() {



                // Code to be executed when the user clicks on an ad.
            }

            @Override
            public void onAdLeftApplication() {
                // Code to be executed when the user has left the app.
            }

            @Override
            public void onAdClosed() {
                // Code to be executed when the user is about to return
                // to the app after tapping on an ad.
            }
        });

        Toolbar toolbar = findViewById(R.id.users_chosers_toolbar);
        setSupportActionBar(toolbar);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setDisplayShowHomeEnabled(true);
        getSupportActionBar().setTitle("Choose users to be in " + getIntent().getExtras().get("groupName").toString());



    }

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


        FirebaseRecyclerOptions<Contacts> options =
                new FirebaseRecyclerOptions.Builder<Contacts>()
                        .setQuery(ContactsRef, Contacts.class)
                        .build()
                ;



        FirebaseRecyclerAdapter<Contacts, ChatsViewHolder>
                adapter = new
                FirebaseRecyclerAdapter <Contacts, ChatsViewHolder>(options) {
                    @Override
                    protected void onBindViewHolder(@NonNull final ChatsViewHolder holder, final int position, @NonNull Contacts model)
                    {
                        final String string = getRef(position).getKey();

                        final String[] image = {"default_image"};




                        UsersRef
                                .child(string)
                                .addValueEventListener(new ValueEventListener() {
                                    @SuppressLint("SetTextI18n")
                                    @Override
                                    public void onDataChange(@NonNull final DataSnapshot dataSnapshot)
                                    {



                                        if (dataSnapshot.exists())
                                        {
                                            if (dataSnapshot.hasChild("image"))
                                            {
                                                image[0] = dataSnapshot.child("image").getValue().toString();
                                                Picasso.get().load(image[0]).placeholder(R.drawable.profile_image).into(holder.profileImageView);
                                            }
                                            final String name = dataSnapshot.child("name").getValue().toString();

                                            holder.Username.setText(name);

                                            holder.Userstatus.setText("Last seen: \n");

                                            if(dataSnapshot.child("userState").hasChild("state"))
                                            {
                                                String date  = dataSnapshot.child("userState").child("date").getValue().toString();
                                                String state  = dataSnapshot.child("userState").child("state").getValue().toString();
                                                String time  = dataSnapshot.child("userState").child("time").getValue().toString();

                                                if(Objects.equals(state, "online"))
                                                {
                                                    holder.Userstatus.setText(getString(R.string.Online));
                                                }
                                                else
                                                {
                                                    holder.Userstatus.setText(getString(R.string.last_seen) + time + " " + date);
                                                }


                                            }
                                            else
                                            {
                                                holder.Userstatus.setText("Offline");
                                            }


                                            final HashMap<String, Object>  hashMap = new HashMap<>();



                                            holder.itemView.setOnClickListener(new View.OnClickListener() {
                                                @Override
                                                public void onClick(View v)
                                                {
                                                    if (!hashMap.containsKey(getRef(position).getKey())) {

                                                        holder.itemView.setPadding(15, 15, 15, 15);


                                                        holder.IsUserInGroup.setVisibility(View.VISIBLE);

                                                        if (hashMap.isEmpty()) {
                                                            hashMap.put(currentUID, "admin");
                                                        }
                                                        hashMap.put(getRef(position).getKey(), "non-admin");
                                                    }

                                                    else {
                                                        holder.itemView.setPadding(0, 0, 0, 0);

                                                        if (hashMap.size() == 1)
                                                        {
                                                            hashMap.remove(currentUID, "admin");
                                                        }
                                                        holder.IsUserInGroup.setVisibility(View.INVISIBLE);

                                                        hashMap.remove(getRef(position).getKey(), "non-admin");

                                                    }

                                                    groupsRef = FirebaseDatabase.getInstance().getReference().child("Groups").child(getIntent().getExtras().get("groupKey").toString());



                                                }
                                            });

                                            confirmButton.setOnClickListener(new View.OnClickListener() {
                                                @Override
                                                public void onClick(View v)
                                                {

                                                    final StorageReference ProfileImagesRef;
                                                    ProfileImagesRef = FirebaseStorage.getInstance().getReference().child("Groups profile images");

                                                    final StorageReference ref = ProfileImagesRef.child(getIntent().getExtras().get("groupKey").toString() + ".jpg");



                                                    ref.putFile((Uri) getIntent().getExtras().get("groupImage"))
                                                            .addOnCompleteListener(new OnCompleteListener<UploadTask.TaskSnapshot>() {
                                                                @Override
                                                                public void onComplete(@NonNull Task<UploadTask.TaskSnapshot> task) {


                                                                    ref.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {
                                                                        @Override
                                                                        public void onSuccess(Uri uri)
                                                                        {
                                                                            Toast.makeText(chooseUserActivity.this, uri.toString(), Toast.LENGTH_SHORT).show();
                                                                            downloadUrl = uri.toString();


                                                                        }
                                                                    });


                                                                }



                                                            });

                                                    groupsRef = FirebaseDatabase.getInstance().getReference().child("Groups").child(getIntent().getExtras().get("groupKey").toString());

                                                    groupsRef.child("Users").updateChildren(hashMap);

                                                    groupsRef.child("Messages").setValue("");

                                                    groupsRef.child("Group info").child("group name").setValue(getIntent().getExtras().get("groupName").toString());

                                                    groupsRef.child("Group info").child("group image").setValue(downloadUrl);

                                                    Toast.makeText(chooseUserActivity.this, "Group created successfully", Toast.LENGTH_SHORT).show();

                                                    Intent settingsIntent = new Intent(chooseUserActivity.this, MainActivity.class);
                                                    settingsIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
                                                    startActivity(settingsIntent);
                                                    finish();


                                                }
                                            });

                                        }



                                    }

                                    @Override
                                    public void onCancelled(@NonNull DatabaseError databaseError) {

                                    }
                                });



                    }

                    @NonNull
                    @Override
                    public ChatsViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i)
                    {
                        View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.users_display_layout, viewGroup, false);

                        return new ChatsViewHolder(view);

                    }
                };

        myRecyclerList.setAdapter(adapter);
        adapter.startListening();



    }


    public static class ChatsViewHolder extends RecyclerView.ViewHolder
    {

        CircleImageView profileImageView;
        TextView Username, Userstatus;
        CheckBox IsUserInGroup;

         ChatsViewHolder(@NonNull View itemView)
        {
            super(itemView);

            profileImageView = itemView.findViewById(R.id.users_profile_image);
            Username = itemView.findViewById(R.id.users_name);
            Userstatus = itemView.findViewById(R.id.users_status);
            IsUserInGroup = itemView.findViewById(R.id.IsUserInGroup);


        }


    }


}

有人可以帮我吗？

Answer 1

我通过移动成功监听器本身中的代码来修复它