Project 11:Image upload firebase storage with realtime database and fetch image,text recyclerview

 send data-

step 1:- activity_send.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingEnd="20dp"
    android:background="@color/white"
    android:paddingStart="20dp"
    tools:context=".data.DataSendActivity">

<!--    <de.hdodenhof.circleimageview.CircleImageView-->
<!--        android:layout_width="80dp"-->
<!--        android:layout_height="80dp"-->
<!--        android:scaleType="center"-->
<!--        android:id="@+id/imgUploadImage"/>-->

    <de.hdodenhof.circleimageview.CircleImageView
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:layout_gravity="center_horizontal"
        android:layout_marginTop="10dp"
        android:src="@drawable/ic_launcher_background"
        android:id="@+id/imgUploadImage"/>

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/edt_bg"
        android:padding="15dp"
        android:layout_marginTop="20dp"
        android:hint="Name"
        android:inputType="textPersonName"
        android:id="@+id/edtName"/>
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/edt_bg"
        android:padding="15dp"
        android:inputType="phone"
        android:layout_marginTop="10dp"
        android:hint="Age"
        android:id="@+id/edtAge"/>
    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@drawable/edt_bg"
        android:padding="15dp"
        android:layout_marginTop="10dp"
        android:hint="Mobile"
        android:inputType="phone"
        android:id="@+id/edtMobile"/>

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="15dp"
        android:text="Send"
        android:id="@+id/btnSend"
        android:layout_marginTop="10dp"/>
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:padding="15dp"
        android:text="Add"
        android:id="@+id/btnAdd"
        android:layout_marginTop="10dp"/>


</LinearLayout>

step 2:- SendActivity.java

package com.sandhya.firebasedatabasesendandreceive.data;

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

import android.annotation.SuppressLint;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.View;
import android.webkit.MimeTypeMap;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

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.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.UploadTask;
import com.sandhya.firebasedatabasesendandreceive.R;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.UUID;

import de.hdodenhof.circleimageview.CircleImageView;

public class DataSendActivity extends AppCompatActivity {

    EditText edtName,edtAge,edtMobile;
    Button btnSend,btnAdd;
    CircleImageView uploadImage;
    static final int REQ_CODE = 100;

    DatabaseReference dataRef;
    StorageReference storageReference;
    Bitmap bitmap;
    Uri filepath;
    String downloadUrl = "";
    
    ArrayList<DataModel> models;


    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_data_send);

        edtAge = findViewById(R.id.edtAge);
        edtName = findViewById(R.id.edtName);
        edtMobile = findViewById(R.id.edtMobile);
        btnSend = findViewById(R.id.btnSend);
        uploadImage = findViewById(R.id.imgUploadImage);

        dataRef = FirebaseDatabase.getInstance().getReference().child("Data");
        storageReference = FirebaseStorage.getInstance().getReference().child("Data");

        btnSend.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                StorageReference reference = storageReference.child(System.currentTimeMillis()+"."+MimeTypeMap.getSingleton().getExtensionFromMimeType(getContentResolver().getType(filepath)));
                reference.putFile(filepath).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
                    @Override
                    public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
                        reference.getDownloadUrl().addOnSuccessListener(new OnSuccessListener<Uri>() {
                            @Override
                            public void onSuccess(Uri uri) {
                                String name = edtName.getText().toString();
                                String age = edtAge.getText().toString();
                                String mobile = edtMobile.getText().toString();
                                if (name.isEmpty()||age.isEmpty()||mobile.isEmpty()){
                                    Toast.makeText(DataSendActivity.this, "fill all detail", Toast.LENGTH_SHORT).show();
                                }else {
                                    HashMap<String, Object> map = new HashMap<>();
                                    map.put("name",name);
                                    map.put("age",age);
                                    map.put("mobile",mobile);
                                    map.put("image",uri.toString());
                                    dataRef.child(name).setValue(map).addOnCompleteListener(new OnCompleteListener<Void>() {
                                        @Override
                                        public void onComplete(@NonNull Task<Void> task) {
                                            if (task.isSuccessful()){
                                                Toast.makeText(DataSendActivity.this, "send", Toast.LENGTH_SHORT).show();
                                                startActivity(new Intent(getApplicationContext(),DataReceiveActivity.class));
                                            }else {
                                                Toast.makeText(DataSendActivity.this, task.getException().getMessage(), Toast.LENGTH_SHORT).show();
                                            }
                                        }
                                    });
                                }
                            }
                        });
                    }
                });
            }
        });

        uploadImage.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(Intent.ACTION_PICK);
                intent.setData(MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
                startActivityForResult(intent,REQ_CODE);
            }
        });
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode==RESULT_OK){
            if (requestCode==REQ_CODE){
                filepath = data.getData();
                uploadImage.setImageURI(filepath);
            }
        }
    }
}

receive data-

step 3: activity_receive.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".data.DataReceiveActivity">


    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/dataRecycler"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"/>

</RelativeLayout>

step 4:- ReceiveActivty.java

package com.sandhya.firebasedatabasesendandreceive.data;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.annotation.SuppressLint;
import android.os.Bundle;


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.sandhya.firebasedatabasesendandreceive.R;

import java.util.ArrayList;
import java.util.Collections;

public class DataReceiveActivity extends AppCompatActivity {

    RecyclerView dataRecycler;
    ArrayList<DataModel> models;
    DataAdapter adapter;

    DatabaseReference reference;

    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_data_receive);

        reference = FirebaseDatabase.getInstance().getReference().child("Data");
        dataRecycler = findViewById(R.id.dataRecycler);
        dataRecycler.setLayoutManager(new LinearLayoutManager(this));
        models = new ArrayList<>();
        reference.addValueEventListener(new ValueEventListener() {
            @SuppressLint("NotifyDataSetChanged")
            @Override
            public void onDataChange(@NonNull DataSnapshot snapshot) {
                if (snapshot.exists()){
                    models.clear();
                    for (DataSnapshot dataSnapshot : snapshot.getChildren()){
                        DataModel model = dataSnapshot.getValue(DataModel.class);
                        models.add(model);
                    }
                    Collections.shuffle(models);
                    adapter = new DataAdapter(DataReceiveActivity.this,models);
                    dataRecycler.setAdapter(adapter);
                    adapter.notifyDataSetChanged();
                }
            }

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

            }
        });


    }
}

step 4:- DataModel.java

package com.sandhya.firebasedatabasesendandreceive.data;

public class DataModel {
    String name,age,mobile,Name,Mobile,Age,image;

    public DataModel() {
    }

    public DataModel(String name, String age, String mobile, String name1, String mobile1, String age1, String image) {
        this.name = name;
        this.age = age;
        this.mobile = mobile;
        Name = name1;
        Mobile = mobile1;
        Age = age1;
        this.image = image;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getAge() {
        return age;
    }

    public void setAge(String age) {
        this.age = age;
    }

    public String getImage() {
        return image;
    }

    public void setImage(String image) {
        this.image = image;
    }

    public String getMobile() {
        return mobile;
    }

    public void setMobile(String mobile) {
        this.mobile = mobile;
    }
}

step 4:- data_item.java

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_height="wrap_content">

    <androidx.cardview.widget.CardView
        android:layout_width="match_parent"
        app:cardCornerRadius="10dp"
        android:layout_marginTop="10dp"
        android:layout_marginLeft="10dp"
        android:layout_marginRight="10dp"
        android:layout_marginBottom="4dp"
        android:layout_height="wrap_content">

        <LinearLayout
            android:layout_width="match_parent"
            android:orientation="vertical"
            android:layout_margin="10dp"
            android:layout_height="wrap_content">
            <de.hdodenhof.circleimageview.CircleImageView
                android:layout_width="60dp"
                android:layout_height="60dp"
                android:layout_marginTop="10dp"
                android:layout_gravity="center_horizontal"
                android:id="@+id/dataImage"/>

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="10dp"
            android:background="@drawable/edt_bg"
            android:padding="15dp"
            android:id="@+id/txtName"/>
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@drawable/edt_bg"
            android:padding="15dp"
            android:layout_marginTop="10dp"

            android:id="@+id/txtAge"/>
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@drawable/edt_bg"
            android:padding="15dp"
            android:layout_marginTop="10dp"
            android:id="@+id/txtMobile"/>
        </LinearLayout>

    </androidx.cardview.widget.CardView>

</LinearLayout>

step 5:- DataAdapter.java

package com.sandhya.firebasedatabasesendandreceive.data;

import android.content.Context;
import android.net.Uri;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import com.bumptech.glide.Glide;
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.sandhya.firebasedatabasesendandreceive.R;

import java.util.ArrayList;

import de.hdodenhof.circleimageview.CircleImageView;

public class DataAdapter extends RecyclerView.Adapter<DataAdapter.ViewHolder> {
    Context context;
    ArrayList<DataModel> models;

    public DataAdapter(Context context, ArrayList<DataModel> models) {
        this.context = context;
        this.models = models;
    }

    @NonNull
    @Override
    public DataAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(context).inflate(R.layout.data_item,parent,false);
        ViewHolder viewHolder = new ViewHolder(view);
        return viewHolder;
    }

    @Override
    public void onBindViewHolder(@NonNull DataAdapter.ViewHolder holder, int position) {

        holder.txtName.setText(models.get(position).getName());
        holder.txtAge.setText(models.get(position).getAge());
        holder.txtMobile.setText(models.get(position).getMobile());

        // image fetch
        Glide.with(context).load(models.get(position).getImage()).into(holder.dataImage);
    }

    @Override
    public int getItemCount() {
        return models.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder {
        TextView txtName,txtAge,txtMobile;
        CircleImageView dataImage;
        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            txtName = itemView.findViewById(R.id.txtName);
            txtAge = itemView.findViewById(R.id.txtAge);
            txtMobile = itemView.findViewById(R.id.txtMobile);
            dataImage = itemView.findViewById(R.id.dataImage);
        }
    }
}

Output:-