Store, Retrieve, Delete Data & Images from Firebase with RecyclerView - ...

Store, Retrieve, Delete Data & Images from Firebase with RecyclerView - Firebase - part 2

MainActivity:



package com.example.administrator.firebasetutorial;



import android.content.Intent;

import android.support.annotation.NonNull;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

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.Task;

import com.google.firebase.auth.AuthResult;

import com.google.firebase.auth.FirebaseAuth;

import com.google.firebase.auth.FirebaseUser;

import com.google.firebase.auth.UserProfileChangeRequest;



public class MainActivity extends AppCompatActivity {

    private FirebaseAuth mAuth;

    private EditText email,password,name;

    private Button signin, signup;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);



        mAuth = FirebaseAuth.getInstance(); // important Call



        signin = (Button)findViewById(R.id.signin);

        signup = (Button)findViewById(R.id.signup);

        email = (EditText)findViewById(R.id.etEmail);

        password = (EditText)findViewById(R.id.etPassword);

        name = (EditText)findViewById(R.id.etName);



        //Check if User is Already LoggedIn

        if(mAuth.getCurrentUser() != null)

        {

            //User NOT logged In

            finish();

            startActivity(new Intent(getApplicationContext(),SignIn.class));

        }



        signin.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                String getemail = email.getText().toString().trim();

                String getepassword = password.getText().toString().trim();

                callsignin(getemail,getepassword);



            }

        });



        signup.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {



                String getemail = email.getText().toString().trim();

                String getepassword = password.getText().toString().trim();

                callsignup(getemail,getepassword);



            }

        });



    }



    //Create Account

    private void callsignup(String email,String password) {



        mAuth.createUserWithEmailAndPassword(email, password)

                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {

                    @Override

                    public void onComplete(@NonNull Task<AuthResult> task) {

                        Log.d("TESTING", "Sign up Successful" + task.isSuccessful());



                        // If sign in fails, display a message to the user. If sign in succeeds

                        // the auth state listener will be notified and logic to handle the

                        // signed in user can be handled in the listener.

                        if (!task.isSuccessful()) {

                            Toast.makeText(MainActivity.this, "Signed up Failed", Toast.LENGTH_SHORT).show();

                        }

                        else

                        {

                            userProfile();

                            Toast.makeText(MainActivity.this, "Created Account", Toast.LENGTH_SHORT).show();

                            Log.d("TESTING", "Created Account");

                        }

                    }

                });

    }



    //Set UserDisplay Name

    private void userProfile()

    {

        FirebaseUser user = mAuth.getCurrentUser();

        if(user!= null)

        {

            UserProfileChangeRequest profileUpdates = new UserProfileChangeRequest.Builder()

                    .setDisplayName(name.getText().toString().trim())

                    //.setPhotoUri(Uri.parse("https://example.com/jane-q-user/profile.jpg"))  // here you can set image link also.

                    .build();



            user.updateProfile(profileUpdates)

                    .addOnCompleteListener(new OnCompleteListener<Void>() {

                        @Override

                        public void onComplete(@NonNull Task<Void> task) {

                            if (task.isSuccessful()) {

                                Log.d("TESTING", "User profile updated.");

                            }

                        }

                    });

        }

    }





    //Now start Sign In Process

    //SignIn Process

    private void callsignin(String email,String password) {



        mAuth.signInWithEmailAndPassword(email, password)

                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {

                    @Override

                    public void onComplete(@NonNull Task<AuthResult> task) {

                        Log.d("TESTING", "sign In Successful:" + task.isSuccessful());



                        // If sign in fails, display a message to the user. If sign in succeeds

                        // the auth state listener will be notified and logic to handle the

                        // signed in user can be handled in the listener.

                        if (!task.isSuccessful()) {

                            Log.w("TESTING", "signInWithEmail:failed", task.getException());

                            Toast.makeText(MainActivity.this, "Failed", Toast.LENGTH_SHORT).show();

                        }

                        else {

                            Intent i = new Intent(MainActivity.this, SignIn.class);

                            finish();

                            startActivity(i);

                        }

                    }

                });



    }





}

SignIn:

package com.example.administrator.firebasetutorial;

import android.content.Intent;

import android.os.Bundle;

import android.support.annotation.Nullable;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.Button;

import android.widget.TextView;

import com.google.firebase.auth.FirebaseAuth;

import com.google.firebase.auth.FirebaseUser;

/**

 * Created by Administrator on 16-03-2017.

 */

public class SignIn extends AppCompatActivity {

    Button signout, upload_bttn,showData;

    private FirebaseAuth mAuth;

    TextView username;

    @Override

    public void onCreate(@Nullable Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.welcome);

        mAuth = FirebaseAuth.getInstance(); // important Call

        signout = (Button)findViewById(R.id.signout);

        upload_bttn = (Button)findViewById(R.id.upload);

        showData = (Button)findViewById(R.id.show_data);

        username = (TextView) findViewById(R.id.tvName);

        //Again check if the user is Already Logged in or Not

        if(mAuth.getCurrentUser() == null)

        {

            //User NOT logged In

            finish();

            startActivity(new Intent(getApplicationContext(),MainActivity.class));

        }

        //Fetch the Display name of current User

        FirebaseUser user = mAuth.getCurrentUser();

        if (user != null) {

            username.setText("Welcome, " + user.getDisplayName());

        }

        signout.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                mAuth.signOut();

                finish();

                startActivity(new Intent(getApplicationContext(), MainActivity.class));

            }

        });

        upload_bttn.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                startActivity(new Intent(getApplicationContext(),Uploadinfo.class));

            }

        });

        showData.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                startActivity(new Intent(getApplicationContext(),ShowData.class));

            }

        });

    }

}

ShowData:

package com.example.administrator.firebasetutorial;

import android.content.DialogInterface;

import android.content.Intent;

import android.net.Uri;

import android.os.Bundle;

import android.support.annotation.Nullable;

import android.support.v7.app.AlertDialog;

import android.support.v7.app.AppCompatActivity;

import android.support.v7.widget.LinearLayoutManager;

import android.support.v7.widget.RecyclerView;

import android.view.View;

import android.widget.ImageView;

import android.widget.TextView;

import android.widget.Toast;

import com.bumptech.glide.Glide;

import com.bumptech.glide.load.engine.DiskCacheStrategy;

import com.firebase.ui.database.FirebaseRecyclerAdapter;

import com.google.firebase.database.DatabaseReference;

import com.google.firebase.database.FirebaseDatabase;

import static android.R.attr.direction;

import static java.security.AccessController.getContext;

/**

 * Created by Administrator on 16-03-2017.

 */

public class ShowData extends AppCompatActivity {

    RecyclerView recyclerView;

    FirebaseDatabase firebaseDatabase;

    DatabaseReference myRef;

    private FirebaseRecyclerAdapter<ShowDataItems, ShowDataViewHolder> mFirebaseAdapter;

    public ShowData() {

        // Required empty public constructor

    }

    @Override

    public void onCreate(@Nullable Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.show_data_layout);

        firebaseDatabase = FirebaseDatabase.getInstance();

       // myRef = firebaseDatabase.getReference("User_Details");

        myRef = FirebaseDatabase.getInstance().getReference("User_Details");

        recyclerView = (RecyclerView)findViewById(R.id.show_data_recycler_view);

        recyclerView.setLayoutManager(new LinearLayoutManager(ShowData.this));

        Toast.makeText(ShowData.this, "Wait !  Fetching List...", Toast.LENGTH_SHORT).show();

    }

    @Override

    public void onStart() {

        super.onStart();

        //Log.d("LOGGED", "IN onStart ");

        mFirebaseAdapter = new FirebaseRecyclerAdapter<ShowDataItems, ShowDataViewHolder>(ShowDataItems.class, R.layout.show_data_single_item, ShowDataViewHolder.class, myRef) {

            public void populateViewHolder(final ShowDataViewHolder viewHolder, ShowDataItems model, final int position) {

                viewHolder.Image_URL(model.getImage_URL());

                viewHolder.Image_Title(model.getImage_Title());

                //OnClick Item

                viewHolder.itemView.setOnClickListener(new View.OnClickListener() {

                    @Override

                    public void onClick(final View v) {

                        AlertDialog.Builder builder = new AlertDialog.Builder(ShowData.this);

                        builder.setMessage("Do you want to Delete this data ?").setCancelable(false)

                                .setPositiveButton("Yes", new DialogInterface.OnClickListener() {

                                    @Override

                                    public void onClick(DialogInterface dialog, int which) {

                                        int selectedItems = position;

                                        mFirebaseAdapter.getRef(selectedItems).removeValue();

                                        mFirebaseAdapter.notifyItemRemoved(selectedItems);

                                        recyclerView.invalidate();

                                        onStart();

                                    }

                                })

                                .setNegativeButton("No", new DialogInterface.OnClickListener() {

                                    @Override

                                    public void onClick(DialogInterface dialog, int which) {

                                        dialog.cancel();

                                    }

                                });

                        AlertDialog dialog = builder.create();

                        dialog.setTitle("Confirm");

                        dialog.show();

                    }

                });

            }

        };

        recyclerView.setAdapter(mFirebaseAdapter);

    }

    //View Holder For Recycler View

    public static class ShowDataViewHolder extends RecyclerView.ViewHolder {

        private final TextView image_title;

        private final ImageView image_url;

        public ShowDataViewHolder(final View itemView) {

            super(itemView);

            image_url = (ImageView) itemView.findViewById(R.id.fetch_image);

            image_title = (TextView) itemView.findViewById(R.id.fetch_image_title);

        }

        private void Image_Title(String title) {

            image_title.setText(title);

        }

        private void Image_URL(String title) {

           // image_url.setImageResource(R.drawable.loading);

            Glide.with(itemView.getContext())

                    .load(title)

                    .crossFade()

                    .placeholder(R.drawable.loading)

                    .thumbnail(0.1f)

                    .diskCacheStrategy(DiskCacheStrategy.ALL)

                    .into(image_url);

        }

    }

}

ShowDataItems:

package com.example.administrator.firebasetutorial;

/**

 * Created by Administrator on 16-03-2017.

 */

public class ShowDataItems {

    private String Image_URL,Image_Title;  //put this name same as Database Fields

    public ShowDataItems(String image_URL, String image_title) {

        Image_URL = image_URL;

        Image_Title = image_title;

    }

 public ShowDataItems()

 {

     //Empty Constructor Needed

 }

    public String getImage_URL() {

        return Image_URL;

    }

    public void setImage_URL(String image_URL) {

        Image_URL = image_URL;

    }

    public String getImage_Title() {

        return Image_Title;

    }

    public void setTitle(String title) {

        Image_Title = title;

    }

}

UploadInfo:

package com.example.administrator.firebasetutorial;

import android.Manifest;

import android.app.ProgressDialog;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.net.Uri;

import android.os.Build;

import android.os.Bundle;

import android.support.annotation.NonNull;

import android.support.annotation.Nullable;

import android.support.v4.content.ContextCompat;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.Button;

import android.widget.ImageView;

import android.widget.TextView;

import android.widget.Toast;

import com.bumptech.glide.Glide;

import com.bumptech.glide.load.engine.DiskCacheStrategy;

import com.firebase.client.Firebase;

import com.google.android.gms.tasks.OnSuccessListener;

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;

/**

 * Created by Administrator on 16-03-2017.

 */

public class Uploadinfo extends AppCompatActivity {

    Button select_image,upload_button;

    ImageView user_image;

    TextView title;

    public static final int READ_EXTERNAL_STORAGE = 0;

    private static final int GALLERY_INTENT = 2;

    private ProgressDialog mProgressDialog;

    private Firebase mRoofRef;

    private Uri mImageUri = null;

    private DatabaseReference mdatabaseRef;

    private StorageReference mStorage;

    @Override

    public void onCreate(@Nullable Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.upload_layout);

        Firebase.setAndroidContext(this);

        select_image = (Button)findViewById(R.id.select_image);

        upload_button = (Button)findViewById(R.id.upload_bttn);

        user_image = (ImageView) findViewById(R.id.user_image);

        title = (TextView) findViewById(R.id.etTitle);

        //Initialize the Progress Bar

        mProgressDialog = new ProgressDialog(Uploadinfo.this);

        //Select image from External Storage...

        select_image.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v)

            {

                //Check for Runtime Permission

                if (ContextCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.READ_EXTERNAL_STORAGE)

                        != PackageManager.PERMISSION_GRANTED)

                {

                    Toast.makeText(getApplicationContext(), "Call for Permission", Toast.LENGTH_SHORT).show();

                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)

                    {

                        requestPermissions(new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, READ_EXTERNAL_STORAGE);

                    }

                }

                else

                    {

                    callgalary();

                }

            }

        });

        //Initialize Firebase Database paths for database and Storage

        mdatabaseRef = FirebaseDatabase.getInstance().getReference();

        mRoofRef = new Firebase("https://fir-tutorial-5800f.firebaseio.com/").child("User_Details").push();  // Push will create new child every time we upload data

        mStorage = FirebaseStorage.getInstance().getReferenceFromUrl("gs://fir-tutorial-5800f.appspot.com/");

        //Click on Upload Button Title will upload to Database

        upload_button.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                final String mName = title.getText().toString().trim();

                if(mName.isEmpty())

                {

                    Toast.makeText(getApplicationContext(), "Fill all Field", Toast.LENGTH_SHORT).show();

                    return;

                }

                Firebase childRef_name = mRoofRef.child("Image_Title");

                childRef_name.setValue(mName);

                Toast.makeText(getApplicationContext(), "Updated Info", Toast.LENGTH_SHORT).show();

            }

        });

    }

    //Check for Runtime Permissions for Storage Access

    @Override

    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {

        super.onRequestPermissionsResult(requestCode, permissions, grantResults);

        switch (requestCode) {

            case READ_EXTERNAL_STORAGE:

                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)

                    callgalary();

                return;

        }

        Toast.makeText(getApplicationContext(), "...", Toast.LENGTH_SHORT).show();

    }

    //If Access Granted gallery Will open

    private void callgalary() {

        Intent intent = new Intent(Intent.ACTION_PICK);

        intent.setType("image/*");

        startActivityForResult(intent, GALLERY_INTENT);

    }

    //After Selecting image from gallery image will directly uploaded to Firebase Database

    //and Image will Show in Image View

    @Override

    public void onActivityResult(int requestCode, int resultCode, Intent data) {

        super.onActivityResult(requestCode, resultCode, data);

        if (requestCode == GALLERY_INTENT && resultCode == RESULT_OK) {

            mImageUri = data.getData();

            user_image.setImageURI(mImageUri);

            StorageReference filePath = mStorage.child("User_Images").child(mImageUri.getLastPathSegment());

            mProgressDialog.setMessage("Uploading Image....");

            mProgressDialog.show();

            filePath.putFile(mImageUri).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {

                @Override

                public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {

                    Uri downloadUri = taskSnapshot.getDownloadUrl();  //Ignore This error

                    mRoofRef.child("Image_URL").setValue(downloadUri.toString());

                    Glide.with(getApplicationContext())

                            .load(downloadUri)

                            .crossFade()

                            .placeholder(R.drawable.loading)

                            .diskCacheStrategy(DiskCacheStrategy.RESULT)

                            .into(user_image);

                    Toast.makeText(getApplicationContext(), "Updated.", Toast.LENGTH_SHORT).show();

                    mProgressDialog.dismiss();

                }

            });

        }

    }

}