Login.java

package com.alrubaye.twitterdem;

import android.app.ProgressDialog;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.provider.MediaStore;
import android.support.annotation.NonNull;
import android.support.annotation.VisibleForTesting;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener;
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.storage.FirebaseStorage;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.UploadTask;

import org.json.JSONArray;
import org.json.JSONObject;

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Login extends AppCompatActivity {
EditText etName;
    EditText etEmail;
    EditText etPassword;
    ImageView ivUserImage;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);
         etName=(EditText)findViewById(R.id.etName);
          etEmail=(EditText)findViewById(R.id.etEmail);
          etPassword=(EditText)findViewById(R.id.etPassword);
         ivUserImage=(ImageView) findViewById(R.id.ivUserImage);
        ivUserImage.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
//TODO: load photo from gallary
             //   CheckUserPermsions();
            }
        });

//TODO: user register into firebase

    }

    public void buLogin(View view) {
//TODO: user login
    }


    // [START on_start_add_listener]
    @Override
    public void onStart() {
        super.onStart();

    }
    // [END on_start_add_listener]

    // [START on_stop_remove_listener]
    @Override
    public void onStop() {
        super.onStop();

    }





}