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@JobGetabu

JobGetabu/LoginActivity.java

Last active October 24, 2018 11:04
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Login implementation
Raw
activity_login.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".ui.LoginActivity"
>
<ScrollView
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/imageView2"
android:layout_width="0dp"
android:layout_height="250dp"
android:background="@drawable/studentbg"
android:contentDescription="@string/content_decription"
android:scaleType="centerCrop"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/head"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:fontFamily="@font/nunito_bold"
android:gravity="center"
android:text="@string/student_login"
android:textColor="#4c565f"
android:textSize="24sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/imageView2" />
<android.support.design.widget.TextInputLayout
android:id="@+id/login_email"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/head">
<android.support.design.widget.TextInputEditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableStart="@drawable/user"
android:drawablePadding="12dp"
android:hint="@string/email"
android:inputType="textEmailAddress" />
</android.support.design.widget.TextInputLayout>
<android.support.design.widget.TextInputLayout
android:id="@+id/login_password"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
app:passwordToggleEnabled="true"
app:passwordToggleTint="@color/colorAccent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/login_email">
<android.support.design.widget.TextInputEditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableStart="@drawable/pass"
android:drawablePadding="12dp"
android:hint="@string/password"
android:inputType="textPassword" />
</android.support.design.widget.TextInputLayout>
<TextView
android:id="@+id/forgotpass"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginEnd="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text="@string/forgot_password"
android:textAlignment="center"
android:textColor="@color/colorhint"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/login_password" />
<Button
android:id="@+id/login_button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="32dp"
android:layout_marginStart="32dp"
android:layout_marginTop="16dp"
android:background="@drawable/rect1"
android:gravity="center"
android:padding="12dp"
android:text="@string/sign_in"
android:textColor="#fff"
android:textSize="16sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/forgotpass" />
<TextView
android:id="@+id/textView5"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:text="@string/or"
android:textAlignment="center"
android:textColor="@color/colorhint"
android:textSize="14sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/login_button" />
<LinearLayout
android:id="@+id/login_via_google"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="16dp"
android:layout_marginEnd="60dp"
android:layout_marginStart="60dp"
android:layout_marginTop="8dp"
android:layout_weight="1"
android:background="@drawable/rectgoogle"
android:clickable="true"
android:elevation="4dp"
android:focusable="true"
android:orientation="horizontal"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView5">
<ImageView
android:id="@+id/login_via_google_image"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:contentDescription="@string/content_decription"
android:padding="24dp"
android:src="@drawable/google" />
</LinearLayout>
</android.support.constraint.ConstraintLayout>
</ScrollView>
</android.support.constraint.ConstraintLayout>
Raw
LoginActivity.java
package com.job.darasastudent.ui;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.Snackbar;
import android.support.design.widget.TextInputLayout;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.google.android.gms.auth.api.signin.GoogleSignIn;
import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
import com.google.android.gms.auth.api.signin.GoogleSignInClient;
import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
import com.google.android.gms.common.api.ApiException;
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.AuthCredential;
import com.google.firebase.auth.AuthResult;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.auth.GoogleAuthProvider;
import com.google.firebase.firestore.DocumentReference;
import com.google.firebase.firestore.DocumentSnapshot;
import com.google.firebase.firestore.FirebaseFirestore;
import com.google.firebase.iid.FirebaseInstanceId;
import com.job.darasastudent.R;
import com.job.darasastudent.model.StudentDetails;
import com.job.darasastudent.util.AppStatus;
import com.job.darasastudent.util.DoSnack;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
import cn.pedant.SweetAlert.SweetAlertDialog;
import static com.job.darasastudent.util.Constants.STUDENTDETAILSCOL;
public class LoginActivity extends AppCompatActivity {
@BindView(R.id.login_email)
TextInputLayout loginEmail;
@BindView(R.id.login_password)
TextInputLayout loginPassword;
@BindView(R.id.forgotpass)
TextView forgotpass;
@BindView(R.id.login_button)
Button loginButton;
@BindView(R.id.login_via_google)
LinearLayout loginViaGoogle;
private static final String TAG = "login";
public static final int RC_SIGN_IN = 1001;
private FirebaseAuth mAuth;
private FirebaseFirestore mFirestore;
private DoSnack doSnack;
private GoogleSignInClient mGoogleSignInClient;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.login_xml);
ButterKnife.bind(this);
//firebase
mAuth = FirebaseAuth.getInstance();
mFirestore = FirebaseFirestore.getInstance();
// Configure Google Sign In
GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(getString(R.string.default_web_client_id))
.requestEmail()
.build();
// Build a GoogleSignInClient with the options specified by gso.
mGoogleSignInClient = GoogleSignIn.getClient(this, gso);
doSnack = new DoSnack(this, LoginActivity.this);
}
@Override
protected void onStart() {
super.onStart();
if (FirebaseAuth.getInstance().getCurrentUser() != null) {
sendToMain();
}
}
@OnClick(R.id.forgotpass)
public void onForgotpassClicked() {
final String email = loginEmail.getEditText().getText().toString();
if (email.isEmpty() || !isEmailValid(email)) {
loginEmail.setError("enter valid email to reset password");
return;
} else {
loginEmail.setError(null);
}
mAuth.sendPasswordResetEmail(email)
.addOnCompleteListener(new OnCompleteListener<Void>() {
@Override
public void onComplete(@NonNull Task<Void> task) {
if (task.isSuccessful()) {
Log.d(TAG, "Email sent.");
doSnack.showSnackbar("Email sent to " + email, "Check", new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_APP_EMAIL);
try {
//startActivity(intent);
startActivity(Intent.createChooser(intent, getString(R.string.chooseEmailClient)));
} catch (ActivityNotFoundException e) { }
}
});
}else {
doSnack.showShortSnackbar("You're not registered :(");
}
}
});
}
@OnClick(R.id.login_button)
public void onLoginButtonClicked() {
if (!AppStatus.getInstance(getApplicationContext()).isOnline()) {
doSnack.showSnackbar("You're offline", "Retry", new View.OnClickListener() {
@Override
public void onClick(View view) {
onLoginButtonClicked();
}
});
return;
}
String email = loginEmail.getEditText().getText().toString();
String password = loginPassword.getEditText().getText().toString();
if (validate()) {
final SweetAlertDialog pDialog = new SweetAlertDialog(this, SweetAlertDialog.PROGRESS_TYPE);
pDialog.getProgressHelper().setBarColor(Color.parseColor("#FF5521"));
pDialog.setTitleText("Logging in...");
pDialog.setCancelable(false);
pDialog.show();
mAuth.signInWithEmailAndPassword(email, password)
.addOnCompleteListener(new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> authtask) {
if (authtask.isSuccessful()) {
//login successful
//update device token
String devicetoken = FirebaseInstanceId.getInstance().getToken();
String mCurrentUserid = FirebaseAuth.getInstance().getCurrentUser().getUid();
// Set the value of 'Users'
DocumentReference usersRef = mFirestore.collection(STUDENTDETAILSCOL).document(mCurrentUserid);
usersRef.update("devicetoken", devicetoken)
.addOnSuccessListener(new OnSuccessListener<Void>() {
@Override
public void onSuccess(Void aVoid) {
pDialog.dismissWithAnimation();
sendToMain();
}
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
pDialog.dismiss();
doSnack.errorPrompt("Oops...", e.getMessage());
}
});
} else {
pDialog.dismiss();
doSnack.UserAuthToastExceptions(authtask);
}
}
});
}
}
@OnClick({R.id.login_via_google, R.id.login_via_google_image})
public void onLoginViaGoogleClicked() {
if (!AppStatus.getInstance(getApplicationContext()).isOnline()) {
doSnack.showSnackbar("You're offline", "Retry", new View.OnClickListener() {
@Override
public void onClick(View view) {
onLoginViaGoogleClicked();
}
});
return;
}
Intent signInIntent = mGoogleSignInClient.getSignInIntent();
startActivityForResult(signInIntent, RC_SIGN_IN);
loginViaGoogle.setEnabled(false);
}
private void sendToMain() {
Intent mainIntent = new Intent(this, MainActivity.class);
mainIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
mainIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(mainIntent);
finish();
}
private boolean validate() {
boolean valid = true;
String email = loginEmail.getEditText().getText().toString();
String password = loginPassword.getEditText().getText().toString();
if (email.isEmpty() || !isEmailValid(email)) {
loginEmail.setError("enter valid email");
valid = false;
} else {
loginEmail.setError(null);
}
if (password.isEmpty() || password.length() < 6) {
loginPassword.setError("at least 6 characters");
valid = false;
} else {
loginPassword.setError(null);
}
return valid;
}
private boolean isEmailValid(CharSequence email) {
return android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
//Result returned from launching the Intent from GoogleSignInApi.getSignInIntent(...);
if (requestCode == RC_SIGN_IN) {
Task<GoogleSignInAccount> task = GoogleSignIn.getSignedInAccountFromIntent(data);
try {
// Google Sign In was successful, authenticate with Firebase
GoogleSignInAccount account = task.getResult(ApiException.class);
firebaseAuthWithGoogle(account);
} catch (ApiException e) {
// Google Sign In failed, update UI appropriately
Log.w(TAG, "Google sign in failed", e);
// ...
Snackbar.make(findViewById(android.R.id.content), "Google sign in failed", Snackbar.LENGTH_LONG).show();
loginViaGoogle.setEnabled(true);
}
}
}
private void firebaseAuthWithGoogle(GoogleSignInAccount acct) {
Log.d(TAG, "firebaseAuthWithGoogle:" + acct.getId());
final SweetAlertDialog pDialog = new SweetAlertDialog(this, SweetAlertDialog.PROGRESS_TYPE);
pDialog.getProgressHelper().setBarColor(Color.parseColor("#FF5521"));
pDialog.setTitleText("Logging in...");
pDialog.setCancelable(false);
pDialog.show();
AuthCredential credential = GoogleAuthProvider.getCredential(acct.getIdToken(), null);
mAuth.signInWithCredential(credential)
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
if (task.isSuccessful()) {
// Sign in success, update UI with the signed-in user's information
Log.d(TAG, "signInWithCredential:success");
final FirebaseUser user = mAuth.getCurrentUser();
final String device_token = FirebaseInstanceId.getInstance().getToken();
final String mCurrentUserid = mAuth.getCurrentUser().getUid();
// refactor this not to write to DB each time...check if account exists
DocumentReference docReference = mFirestore.collection(STUDENTDETAILSCOL).document(mCurrentUserid);
docReference.get()
.addOnCompleteListener(new OnCompleteListener<DocumentSnapshot>() {
@Override
public void onComplete(@NonNull Task<DocumentSnapshot> task) {
if (task.isSuccessful()) {
DocumentSnapshot document = task.getResult();
if (document.exists()) {
Log.d(TAG, "DocumentSnapshot data: " + document.getData());
//update token only
updateTokenOnly(mCurrentUserid, device_token, pDialog);
} else {
Log.d(TAG, "No such document");
//logging in with no pre account
//region create fresh account
pDialog.changeAlertType(SweetAlertDialog.SUCCESS_TYPE);
pDialog.setTitleText("Account doesn't exists! \n Creating one...");
//write to db
writingToStudUsers(pDialog, device_token, user, mCurrentUserid);
//endregion
}
} else {
Log.d(TAG, "get failed with ", task.getException());
}
}
});
} else {
// If sign in fails, display a message to the user.
pDialog.dismissWithAnimation();
Log.w(TAG, "signInWithCredential:failure", task.getException());
Snackbar.make(findViewById(android.R.id.content), "Authentication Failed.", Snackbar.LENGTH_SHORT).show();
loginViaGoogle.setEnabled(true);
}
}
});
}
private void writingToStudUsers(final SweetAlertDialog pDialog, String device_token, FirebaseUser user, String mCurrentUserid) {
StudentDetails studentDetails = new StudentDetails();
studentDetails.setDevicetoken(device_token);
studentDetails.setPhotourl(user.getPhotoUrl().toString());
studentDetails.setFirstname(user.getDisplayName());
studentDetails.setStudentid(mCurrentUserid);
// Set the value of 'Users'
DocumentReference usersRef = mFirestore.collection(STUDENTDETAILSCOL).document(mCurrentUserid);
usersRef.set(studentDetails)
.addOnSuccessListener(new OnSuccessListener<Void>() {
@Override
public void onSuccess(Void aVoid) {
pDialog.dismissWithAnimation();
sendToAccountSetup();
}
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
pDialog.dismiss();
doSnack.errorPrompt("Oops...", e.getMessage());
}
});
}
private void updateTokenOnly(String mCurrentUserid, String device_token, final SweetAlertDialog pDialog) {
//update device token
// Set the value of 'Users'
DocumentReference usersRef = mFirestore.collection(STUDENTDETAILSCOL).document(mCurrentUserid);
usersRef.update("devicetoken", device_token)
.addOnSuccessListener(new OnSuccessListener<Void>() {
@Override
public void onSuccess(Void aVoid) {
pDialog.dismissWithAnimation();
sendToMain();
}
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
pDialog.dismiss();
doSnack.errorPrompt("Oops...", e.getMessage());
}
});
}
private void sendToAccountSetup() {
Intent aIntent = new Intent(this, AccountSetupActivity.class);
aIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
aIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(aIntent);
finish();
}
}
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