Privacy Policy

Patient Management Privacy Policy

This is the privacy policy for the Patient Management app.

Patient Management  does not send, manage any personal data of any kind. Your data and Images will save in Google Database Securely.
The Camera permission is required by the Save your Image to Doctors.

Android Tutorial - Chat Application with Firebase - Part 5

Android Tutorial - Chat Application with Firebase - Part 4

Android Tutorial - Chat Application with Firebase - Part 3

Android Tutorial - Chat Application with Firebase - Part 2

Android Tutorial - Chat Application with Firebase - part 1

Android Chat Application with Firebase - Walkthrough

Top 5 Android Studio Plugins

Send Push Notification to Different Devices using OneSignal & Firebase -...

Send Push Notification to  Different Devices using OneSignal  - Firebase - part 3

Source Code of Part (1,2,3)



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;
import com.onesignal.OneSignal;

public class MainActivity extends AppCompatActivity {
private FirebaseAuth mAuth;
private EditText email,password,name;
private Button signin, signup;
FirebaseUser user;
static String LoggedIn_User_Email;

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

OneSignal.startInit(this).init();



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));
}

user = mAuth.getCurrentUser();


//Setting the tags for Current User.
LoggedIn_User_Email =user.getEmail();
OneSignal.sendTag("User_ID", LoggedIn_User_Email);


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);
}
}
});

}


}

ShowData:

package com.example.administrator.firebasetutorial;

import android.content.DialogInterface;
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;

/**
* 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.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
protected 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 it will Delete data from Database
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.

 */

//This is a data class, will help us to retrieve data from Database..

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()

    {

        //Require a Empty Constructor

    }

    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 setImage_Title(String image_Title) {

        Image_Title = image_Title;

    }

}

SignIn:

package com.example.administrator.firebasetutorial;

import android.content.Intent;

import android.os.AsyncTask;

import android.os.Bundle;

import android.os.StrictMode;

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;

import java.io.OutputStream;

import java.net.HttpURLConnection;

import java.net.URL;

import java.util.Scanner;

/**

 * Created by Administrator on 16-03-2017.

 */

public class SignIn extends AppCompatActivity {

    Button signout,upload_bttn,showData,notification;

    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);

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

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

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

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

        //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));

            }

        });

        notification.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                sendNotification();

            }

        });

    }

    private void sendNotification()

    {

        AsyncTask.execute(new Runnable() {

            @Override

            public void run() {

                int SDK_INT = android.os.Build.VERSION.SDK_INT;

                if (SDK_INT > 8) {

                    StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()

                            .permitAll().build();

                    StrictMode.setThreadPolicy(policy);

                    String send_email;

                    //This is a Simple Logic to Send Notification different Device Programmatically....

                    if (MainActivity.LoggedIn_User_Email.equals("user1@gmail.com")) {

                        send_email = "user2@gmail.com";

                    } else {

                        send_email = "user1@gmail.com";

                    }

                    try {

                        String jsonResponse;

                        URL url = new URL("https://onesignal.com/api/v1/notifications");

                        HttpURLConnection con = (HttpURLConnection) url.openConnection();

                        con.setUseCaches(false);

                        con.setDoOutput(true);

                        con.setDoInput(true);

                        con.setRequestProperty("Content-Type", "application/json; charset=UTF-8");

                        con.setRequestProperty("Authorization", "Basic YTUzMWE2M2UtMTZiYy00M2FhLWEyMjItYWQ5YWI1MDgzM2U2");

                        con.setRequestMethod("POST");

                        String strJsonBody = "{"

                                + "\"app_id\": \"0523d5af-d75a-4916-a8dd-3e9109e0f10b\","

                                + "\"filters\": [{\"field\": \"tag\", \"key\": \"User_ID\", \"relation\": \"=\", \"value\": \"" + send_email + "\"}],"

                                + "\"data\": {\"foo\": \"bar\"},"

                                + "\"contents\": {\"en\": \"English Message\"}"

                                + "}";

                        System.out.println("strJsonBody:\n" + strJsonBody);

                        byte[] sendBytes = strJsonBody.getBytes("UTF-8");

                        con.setFixedLengthStreamingMode(sendBytes.length);

                        OutputStream outputStream = con.getOutputStream();

                        outputStream.write(sendBytes);

                        int httpResponse = con.getResponseCode();

                        System.out.println("httpResponse: " + httpResponse);

                        if (httpResponse >= HttpURLConnection.HTTP_OK

                                && httpResponse < HttpURLConnection.HTTP_BAD_REQUEST) {

                            Scanner scanner = new Scanner(con.getInputStream(), "UTF-8");

                            jsonResponse = scanner.useDelimiter("\\A").hasNext() ? scanner.next() : "";

                            scanner.close();

                        } else {

                            Scanner scanner = new Scanner(con.getErrorStream(), "UTF-8");

                            jsonResponse = scanner.useDelimiter("\\A").hasNext() ? scanner.next() : "";

                            scanner.close();

                        }

                        System.out.println("jsonResponse:\n" + jsonResponse);

                    } catch (Throwable t) {

                        t.printStackTrace();

                    }

                }

            }

        });

    }

}

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.os.PersistableBundle;

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();

                }

            });

        }

    }

}

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();

                }

            });

        }

    }

}

Firebase Tutorial Authentication - Part 1

Main Activity:

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;
import com.onesignal.OneSignal;

public class MainActivity extends AppCompatActivity {
private FirebaseAuth mAuth;
private EditText email,password,name;
private Button signin, signup;
static String LoggedIn_User_Email;

@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);
}
}
});

}


}




Sign IN:

package com.example.administrator.firebasetutorial;

import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.StrictMode;
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;

import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Scanner;

/**
* Created by Administrator on 16-03-2017.
*/

public class SignIn extends AppCompatActivity {
Button signout,upload_bttn,showData,notification;
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);
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));
}
});
}
}