navigation.java

package com.example.nabeel.ask.ui.activities;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.NavigationView;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.example.nabeel.ask.R;
import com.example.nabeel.ask.models.User;
import com.example.nabeel.ask.ui.fragment.homeFragment;
import com.example.nabeel.ask.utils.BaseActivity;
import com.example.nabeel.ask.utils.FirebaseUtils;
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.ValueEventListener;

public class navigation extends BaseActivity
        implements NavigationView.OnNavigationItemSelectedListener {

    private FirebaseAuth.AuthStateListener mAuthStateListener;
    private ImageView mDisplayImageView;
    private TextView mNameTextView;
    private TextView mEmailTextView;
    private ValueEventListener mUserValueEventListener;
    private DatabaseReference mUserRef;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        mAuthStateListener = new FirebaseAuth.AuthStateListener() {
            @Override
            public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
                if (firebaseAuth.getCurrentUser() == null) {
                    startActivity(new Intent(navigation.this, signin.class));
                }
            }
        };

        init();
        getSupportFragmentManager().beginTransaction().replace(R.id.container, new homeFragment())
                .commit();


        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);

        View navHeaderView = navigationView.getHeaderView(0);
        initNavHeader(navHeaderView);
    }

    private void init() {
        if (mFirebaseUser != null) {
            mUserRef = FirebaseUtils.getUserRef(mFirebaseUser.getEmail().replace(".", ","));
        }
    }

    private void initNavHeader(View view) {
        mDisplayImageView = (ImageView) view.findViewById(R.id.imageView_display);
        mNameTextView = (TextView) view.findViewById(R.id.textview_name);
        mEmailTextView = (TextView) view.findViewById(R.id.textView_email);

        mUserValueEventListener = new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                if (dataSnapshot.getValue() != null) {
                    User users = dataSnapshot.getValue(User.class);
                    Glide.with(navigation.this)
                            .load(users.getPhotoUrl())
                            .into(mDisplayImageView);

                    mNameTextView.setText(users.getUser());
                    mEmailTextView.setText(users.getEmail());
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {

            }
        };
    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        } else {
            super.onBackPressed();
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.navigation, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle kunavigation view item clicks here.
        int id = item.getItemId();

        if (id == R.id.nav_camera) {
            // Handle the camera action
        } else if (id == R.id.nav_gallery) {

        } else if (id == R.id.nav_slideshow) {

        } else if (id == R.id.nav_manage) {

        } else if (id == R.id.nav_share) {

        } else if (id == R.id.nav_send) {

        }

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);
        return true;
    }

    @Override
    protected void onStart() {
        super.onStart();
        mAuth.addAuthStateListener(mAuthStateListener);
        if (mUserRef != null) {
            mUserRef.addValueEventListener(mUserValueEventListener);
        }
    }

    @Override
    protected void onStop() {
        super.onStop();
        if (mAuthStateListener != null)
            mAuth.removeAuthStateListener(mAuthStateListener);
        if (mUserRef != null)
            mUserRef.removeEventListener(mUserValueEventListener);
    }
}

signin.java

package com.example.nabeel.ask.ui.activities;

import com.example.nabeel.ask.R;
import com.example.nabeel.ask.loginas;
import com.example.nabeel.ask.models.User;
import com.example.nabeel.ask.signup;
import com.example.nabeel.ask.utils.BaseActivity;
import com.example.nabeel.ask.utils.FirebaseUtils;
import com.facebook.AccessToken;
import com.facebook.AccessTokenTracker;
import com.facebook.CallbackManager;
import com.facebook.FacebookCallback;
import com.facebook.FacebookException;
import com.facebook.FacebookSdk;
import com.facebook.Profile;
import com.facebook.ProfileTracker;
import com.facebook.login.LoginResult;
import com.facebook.login.widget.LoginButton;
import com.google.android.gms.auth.api.Auth;
import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
import com.google.android.gms.auth.api.signin.GoogleSignInResult;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.SignInButton;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.common.api.Status;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthCredential;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.GoogleAuthProvider;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

public class signin extends BaseActivity implements View.OnClickListener, GoogleApiClient.OnConnectionFailedListener {



    //protected FirebaseUser mFirebaseUser;
    // private LinearLayout Prof_Section;
    private LoginButton loginButton;
    private CallbackManager callbackManager;
    private AccessTokenTracker accessTokenTracker;
    private ProfileTracker profileTracker;
    //  private Button SignOut;
    //protected FirebaseAuth mAuth;
//    private TextView Name , Email;
    private SignInButton SignIn;
    private static final int REQ_CODE = 9001;



    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        FacebookSdk.sdkInitialize(getApplicationContext());

        setContentView(R.layout.activity_signin);


        // Prof_Section = (LinearLayout) findViewById(R.id.prof_section);
        // SignOut = (Button) findViewById(R.id.bn_logout);
        //   Name = (TextView) findViewById(R.id.name);
        //  Email = (TextView) findViewById(R.id.email);
        SignIn = (SignInButton) findViewById(R.id.bn_login);
        SignIn.setSize(SignInButton.SIZE_ICON_ONLY);


        SignIn.setOnClickListener(this);
        // SignOut.setOnClickListener(this);

        // Prof_Section.setVisibility(View.GONE);


        loginButton = (LoginButton) findViewById(R.id.login_button);

        callbackManager = CallbackManager.Factory.create();
        accessTokenTracker = new AccessTokenTracker() {
            @Override
            protected void onCurrentAccessTokenChanged(AccessToken oldToken, AccessToken currentToken) {

            }
        };

        profileTracker = new ProfileTracker() {
            @Override
            protected void onCurrentProfileChanged(Profile oldProfile, Profile newProfile) {
                //  nextActivity(newProfile);
            }
        };


        accessTokenTracker.startTracking();
        profileTracker.startTracking();


        FacebookCallback<LoginResult> callback = new FacebookCallback<LoginResult>() {
            @Override
            public void onSuccess(LoginResult loginResult) {

                Profile profile1  = Profile.getCurrentProfile();
                //        nextActivity(profile1);
                Toast.makeText(getApplicationContext() , " Logging in " , Toast.LENGTH_SHORT).show();

             /*   i = new Intent(signin.this, MainActivity.class);
                startActivity(i); */
            }

            @Override
            public void onCancel() {

            }

            @Override
            public void onError(FacebookException error) {

            }
        };

        loginButton.setReadPermissions("user_friends");
        loginButton.registerCallback(callbackManager , callback);

        TextView tv_su = (TextView) findViewById(R.id.signup);
        tv_su.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent i = new Intent(signin.this, signup.class);
                startActivity(i);
            }
        });

        TextView tv_si = (TextView) findViewById(R.id.login);
        tv_si.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent si = new Intent(signin.this, loginas.class);
                startActivity(si);
            }
        });



    }


    @Override
    protected void onResume(){
        super.onResume();
        Profile profile1 = Profile.getCurrentProfile();
        //  nextActivity(profile1);

    }

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

    }

    protected void onStop(){
        super.onStop();
        accessTokenTracker.stopTracking();
        profileTracker.startTracking();
    }


    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == Activity.RESULT_OK) {
            if (requestCode == REQ_CODE) {
                GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
                handleresult(result);
            } else {
                callbackManager.onActivityResult(requestCode, resultCode, data);
            }
        }
    }

    @Override
    public void onClick(View v) {

        switch (v.getId()){
            case R.id.bn_login:
                signIn();
                break;

        }
    }

    @Override
    public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {

    }
    private void signIn(){

        Intent intent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
        startActivityForResult(intent,REQ_CODE);

    }
    private void signOut(){

        mAuth.signOut();

        Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(new ResultCallback<Status>() {
            @Override
            public void onResult(@NonNull Status status) {
                //updateUI(false);
            }
        });
    }


    private void handleresult(GoogleSignInResult result){

        if(result.isSuccess()){


            GoogleSignInAccount account = result.getSignInAccount();

            firebaseAuthWithGoogle(account);


        }

    }

    private void firebaseAuthWithGoogle(final GoogleSignInAccount account) {
        AuthCredential credential = GoogleAuthProvider.getCredential(account.getIdToken(), null);
        mAuth.signInWithCredential(credential)
                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
                    @Override
                    public void onComplete(@NonNull Task<AuthResult> task) {
                        if (task.isSuccessful()) {
                            //Let's create the models quick(I know! it's weird time in this tutorial
                            //To be building it
                            User user = new User();
                            String photoUrl = null;
                            if (account.getPhotoUrl() != null) {
                                user.setPhotoUrl(account.getPhotoUrl().toString());
                            }

                            user.setEmail(account.getEmail());
                            user.setUser(account.getDisplayName());
                            user.setUid(mAuth.getCurrentUser().getUid());

                            FirebaseUtils.getUserRef(account.getEmail().replace(".", ","))
                                    .setValue(user, new DatabaseReference.CompletionListener() {
                                        @Override
                                        public void onComplete(DatabaseError databaseError, DatabaseReference databaseReference) {
                                            mFirebaseUser = mAuth.getCurrentUser();
                                            Intent sendData = new Intent(signin.this , navigation.class);
                                            startActivity(sendData);
                                            //finish();
                                        }
                                    });
                        } else {
                            //  dismissProgressDialog();
                        }
                    }
                });
    }

    private void updateUI(boolean isLogin){
        if(isLogin){
            //   Prof_Section.setVisibility(View.VISIBLE);
            SignIn.setVisibility(View.GONE);

        }
        else{
            // Prof_Section.setVisibility(View.GONE);
            SignIn.setVisibility(View.VISIBLE);
        }

    }




}

splash.java

package com.example.nabeel.ask;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.Window;

import com.example.nabeel.ask.ui.activities.navigation;
import com.example.nabeel.ask.ui.activities.signin;

public class splash extends AppCompatActivity {

    @Override



    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_main);



        final int welcomeScreenDisplay = 2000;
        /** create a thread to show splash up to splash time */
        Thread welcomeThread = new Thread() {
            int wait = 0;

            @Override
            public void run() {
                try {
                    sleep(1000);
                    Intent i = new Intent(getApplicationContext(),navigation.class);
                    startActivity(i);
                    finish();

                } catch (InterruptedException e) {
                    e.printStackTrace();

                }
            }
        };
        welcomeThread.start();


    }
}