This is Where our Users Login into the App.
Here in this Activity the Following are done:
Here in this Activity the Following are done:
- Login
- Navigation for Sign up Screen
- Navigation for Forget Password Screen
- And Internally We check If User Logged in or Logged out.
MainActivity.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | package com.ramesh.taskearnerexample; import android.app.ProgressDialog; import android.content.Intent; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.CardView; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; 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; public class MainActivity extends AppCompatActivity { private EditText Name; private EditText Password; private TextView Info; private Button Login; private CardView fpcard, nucard; private int counter = 5; private TextView userRegistration; private FirebaseAuth firebaseAuth; private ProgressDialog progressDialog; private TextView forgotPassword; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate( savedInstanceState ); setContentView( R.layout.activity_main ); Name = (EditText) findViewById( R.id.etName ); Password = (EditText) findViewById( R.id.etPassword ); Info = (TextView) findViewById( R.id.tvInfo ); Login = (Button) findViewById( R.id.btnLogin ); userRegistration = (TextView) findViewById( R.id.tvRegister ); forgotPassword = (TextView) findViewById( R.id.tvForgotPassword ); fpcard = (CardView) findViewById( R.id.FpCard ); nucard = (CardView) findViewById( R.id.nucard ) ; Info.setText( "No of attempts remaining: 5" ); firebaseAuth = FirebaseAuth.getInstance(); progressDialog = new ProgressDialog( this ); FirebaseUser user = firebaseAuth.getCurrentUser(); if (user != null) { finish(); startActivity( new Intent( MainActivity.this, SecondActivity.class ) ); } Login.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View view) { validate( Name.getText().toString(), Password.getText().toString() ); } } ); userRegistration.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View view) { startActivity( new Intent( MainActivity.this, RegistrationActivity.class ) ); } } ); forgotPassword.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View view) { startActivity( new Intent( MainActivity.this, PasswordActivity.class ) ); } } ); fpcard.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { startActivity( new Intent( MainActivity.this, PasswordActivity.class ) ); } } ); nucard.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { startActivity( new Intent( MainActivity.this, RegistrationActivity.class ) ); } } ); } private void validate(String userName, String userPassword) { progressDialog.setMessage( "Processing.... Please Wait" ); progressDialog.show(); firebaseAuth.signInWithEmailAndPassword( userName, userPassword ).addOnCompleteListener( new OnCompleteListener<AuthResult>() { @Override public void onComplete(@NonNull Task<AuthResult> task) { if (task.isSuccessful()) { progressDialog.dismiss(); //Toast.makeText(MainActivity.this, "Login Successful", Toast.LENGTH_SHORT).show(); checkEmailVerification(); } else { Toast.makeText( MainActivity.this, "Login Failed", Toast.LENGTH_SHORT ).show(); counter--; Info.setText( "No of attempts remaining: " + counter ); progressDialog.dismiss(); if (counter == 0) { Login.setEnabled( false ); } } } } ); } private void checkEmailVerification() { FirebaseUser firebaseUser = firebaseAuth.getInstance().getCurrentUser(); Boolean emailflag = firebaseUser.isEmailVerified(); startActivity( new Intent( MainActivity.this, SecondActivity.class ) ); // if(emailflag){ // finish(); // startActivity(new Intent(MainActivity.this, SecondActivity.class)); // }else{ // Toast.makeText(this, "Verify your email", Toast.LENGTH_SHORT).show(); // firebaseAuth.signOut(); // } } } |