LogIn and register works!

app/MyHyvesBookPlusStagram/app/build.gradle

@@ -28,9 +28,11 @@ dependencies {
     compile 'com.android.support:design:25.3.1'
     compile 'com.google.firebase:firebase-database:10.0.1'
     compile 'com.google.firebase:firebase-auth:10.0.1'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
     testCompile 'junit:junit:4.12'
 }
 
 
 
+
 apply plugin: 'com.google.gms.google-services'

app/MyHyvesBookPlusStagram/app/src/androidTest/java/nl/myhyvesbookplus/stagram/ExampleInstrumentedTest.java

@@ -1,26 +0,0 @@
-package nl.myhyvesbookplus.stagram;
-
-import android.content.Context;
-import android.support.test.InstrumentationRegistry;
-import android.support.test.runner.AndroidJUnit4;
-
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import static org.junit.Assert.*;
-
-/**
- * Instrumentation test, which will execute on an Android device.
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-@RunWith(AndroidJUnit4.class)
-public class ExampleInstrumentedTest {
-    @Test
-    public void useAppContext() throws Exception {
-        // Context of the app under test.
-        Context appContext = InstrumentationRegistry.getTargetContext();
-
-        assertEquals("nl.myhyvesbookplus.stagram", appContext.getPackageName());
-    }
-}

app/MyHyvesBookPlusStagram/app/src/main/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="nl.myhyvesbookplus.stagram">
+    package="nl.myhyvesbookplus.tagram">
 
     <application
         android:allowBackup="true"
@@ -10,8 +10,11 @@
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
         <activity
-            android:name=".MainActivity"
+            android:name="nl.myhyvesbookplus.tagram.MainActivity"
             android:label="@string/app_name">
+
+        </activity>
+        <activity android:name="nl.myhyvesbookplus.tagram.LoginActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/LoginActivity.java

@@ -0,0 +1,190 @@
+package nl.myhyvesbookplus.tagram;
+
+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.util.Patterns;
+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;
+import com.google.firebase.auth.UserProfileChangeRequest;
+
+public class LoginActivity extends AppCompatActivity {
+
+    public static final String TAG = "Login";
+    private FirebaseAuth mAuth;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(nl.myhyvesbookplus.tagram.R.layout.activity_login);
+        mAuth = FirebaseAuth.getInstance();
+    }
+
+    private void registerUser(String email, String password) {
+        mAuth.createUserWithEmailAndPassword(email, password)
+                .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, "createUserWithEmail:success");
+                            FirebaseUser user = mAuth.getCurrentUser();
+                            updateUserInfo(user);
+                            goToMainScreen();
+                        } else {
+                            // If sign in fails, display a message to the user.
+                            Log.w(TAG, "createUserWithEmail:failure", task.getException());
+                            Toast.makeText(LoginActivity.this, "Authentication failed.",
+                                    Toast.LENGTH_SHORT).show();
+//                            updateUI(null);
+                        }
+
+                        // ...
+                    }
+                });
+    }
+
+    public void logInOnClick(View view) {
+        mAuth.signOut();
+        EditText email = (EditText) findViewById(R.id.email);
+        EditText password = (EditText) findViewById(R.id.password);
+        String emailSting = email.getText().toString();
+        String passwordSting = password.getText().toString();
+
+        mAuth.signInWithEmailAndPassword(emailSting, passwordSting)
+                .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, "signInWithEmail:success");
+                    FirebaseUser user = mAuth.getCurrentUser();
+                    Log.d(TAG, "onComplete: isVerified " + user.isEmailVerified());
+                    user.isEmailVerified();
+                    goToMainScreen();
+
+//                    updateUI(user);
+                } else {
+                    // If sign in fails, display a message to the user.
+                    Log.w(TAG, "signInWithEmail:failure", task.getException());
+                    Toast.makeText(LoginActivity.this, "Authentication failed.",
+                            Toast.LENGTH_SHORT).show();
+//                    updateUI(null);
+                }
+
+                // ...
+            }
+        });
+
+
+    }
+
+    public void registerOnClick(View view) {
+        // goto Register page.
+        Log.d(TAG, "registerOnClick: ");
+        EditText email = (EditText) findViewById(R.id.email);
+        EditText password = (EditText) findViewById(R.id.password);
+        EditText passwordConfirm = (EditText) findViewById(R.id.confirm_password_field);
+
+        if (Patterns.EMAIL_ADDRESS.matcher(email.getText().toString()).matches()) {
+            if (password.getText().toString().equals(passwordConfirm.getText().toString())) {
+                registerUser(email.getText().toString(), password.getText().toString());
+            } else {
+                Log.d(TAG, "registerOnClick: Passwords do not match");
+            }
+        } else {
+            Log.d(TAG, "registerOnClick: Not An Email-address");
+        }
+
+    }
+
+    public void goToRegisterOnClick(View view) {
+        EditText passwordConfirm = (EditText) findViewById(R.id.confirm_password_field);
+        TextView passwordConfirmLabel = (TextView) findViewById(R.id.confirm_password_label);
+        Button register = (Button) findViewById(R.id.register_button);
+        Button backToLogin = (Button) findViewById(R.id.back_to_login_button);
+        EditText username = (EditText) findViewById(R.id.username);
+        TextView usernameLabel = (TextView) findViewById(R.id.username_label);
+
+        passwordConfirm.setVisibility(View.VISIBLE);
+        passwordConfirmLabel.setVisibility(View.VISIBLE);
+        register.setVisibility(View.VISIBLE);
+        backToLogin.setVisibility(View.VISIBLE);
+        username.setVisibility(View.VISIBLE);
+        usernameLabel.setVisibility(View.VISIBLE);
+
+        Button goToRegister = (Button) findViewById(R.id.go_to_register_button);
+        Button logInButton = (Button) findViewById(R.id.login_button);
+
+        goToRegister.setVisibility(View.GONE);
+        logInButton.setVisibility(View.GONE);
+    }
+
+    public void backToLogin(View view) {
+        EditText passwordConfirm = (EditText) findViewById(R.id.confirm_password_field);
+        TextView passwordConfirmLabel = (TextView) findViewById(R.id.confirm_password_label);
+        Button register = (Button) findViewById(R.id.register_button);
+        Button backToLogin = (Button) findViewById(R.id.back_to_login_button);
+        EditText username = (EditText) findViewById(R.id.username);
+        TextView usernameLabel = (TextView) findViewById(R.id.username_label);
+
+        passwordConfirm.setVisibility(View.GONE);
+        passwordConfirmLabel.setVisibility(View.GONE);
+        register.setVisibility(View.GONE);
+        backToLogin.setVisibility(View.GONE);
+        username.setVisibility(View.GONE);
+        usernameLabel.setVisibility(View.GONE);
+
+        Button goToRegister = (Button) findViewById(R.id.go_to_register_button);
+        Button logInButton = (Button) findViewById(R.id.login_button);
+
+        goToRegister.setVisibility(View.VISIBLE);
+        logInButton.setVisibility(View.VISIBLE);
+    }
+
+    protected void sendConfirmEmail(FirebaseUser user) {
+        user.sendEmailVerification()
+                .addOnCompleteListener(new OnCompleteListener<Void>() {
+                    @Override
+                    public void onComplete(@NonNull Task<Void> task) {
+                        if (task.isSuccessful()) {
+                            Log.d(TAG, "Email sent.");
+//                            goToMainScreen();
+                        }
+                    }
+                });
+    }
+
+    protected void goToMainScreen() {
+        Intent intent = new Intent(this, MainActivity.class);
+        startActivity(intent);
+    }
+
+    protected void updateUserInfo(final FirebaseUser user) {
+        EditText username = (EditText) findViewById(R.id.username);
+        UserProfileChangeRequest request = new UserProfileChangeRequest.Builder()
+                .setDisplayName(username.getText().toString())
+                .build();
+        user.updateProfile(request)
+                .addOnCompleteListener(new OnCompleteListener<Void>() {
+                    @Override
+                    public void onComplete(@NonNull Task<Void> task) {
+                        if (task.isSuccessful()) {
+                            Log.d(TAG, "User profile updated.");
+                        }
+                        sendConfirmEmail(user);
+                    }
+                });
+    }
+}

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/MainActivity.java

@@ -1,4 +1,4 @@
-package nl.myhyvesbookplus.stagram;
+package nl.myhyvesbookplus.tagram;
 
 import android.os.Bundle;
 import android.support.annotation.NonNull;
@@ -20,14 +20,14 @@ public class MainActivity extends AppCompatActivity {
         @Override
         public boolean onNavigationItemSelected(@NonNull MenuItem item) {
             switch (item.getItemId()) {
-                case R.id.navigation_home:
+                case nl.myhyvesbookplus.tagram.R.id.navigation_home:
-                    mTextMessage.setText(R.string.title_home);
+                    mTextMessage.setText(nl.myhyvesbookplus.tagram.R.string.title_home);
                     return true;
-                case R.id.navigation_dashboard:
+                case nl.myhyvesbookplus.tagram.R.id.navigation_dashboard:
-                    mTextMessage.setText(R.string.title_dashboard);
+                    mTextMessage.setText(nl.myhyvesbookplus.tagram.R.string.title_dashboard);
                     return true;
-                case R.id.navigation_notifications:
+                case nl.myhyvesbookplus.tagram.R.id.navigation_notifications:
-                    mTextMessage.setText(R.string.title_notifications);
+                    mTextMessage.setText(nl.myhyvesbookplus.tagram.R.string.title_notifications);
                     return true;
             }
             return false;
@@ -38,10 +38,10 @@ public class MainActivity extends AppCompatActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
+        setContentView(nl.myhyvesbookplus.tagram.R.layout.activity_main);
 
-        mTextMessage = (TextView) findViewById(R.id.message);
+        mTextMessage = (TextView) findViewById(nl.myhyvesbookplus.tagram.R.id.message);
-        BottomNavigationView navigation = (BottomNavigationView) findViewById(R.id.navigation);
+        BottomNavigationView navigation = (BottomNavigationView) findViewById(nl.myhyvesbookplus.tagram.R.id.navigation);
         navigation.setOnNavigationItemSelectedListener(mOnNavigationItemSelectedListener);
         FirebaseDatabase database = FirebaseDatabase.getInstance();
         DatabaseReference ref = database.getReference();

app/MyHyvesBookPlusStagram/app/src/main/res/layout/activity_login.xml

@@ -0,0 +1,105 @@
+<?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="nl.myhyvesbookplus.stagram.LoginActivity">-->
+
+<!--</android.support.constraint.ConstraintLayout>-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context=".LoginActivity">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Email" />
+
+    <EditText
+        android:id="@+id/email"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:inputType="textEmailAddress" />
+
+    <TextView
+        android:id="@+id/username_label"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Username"
+        android:visibility="gone" />
+
+    <EditText
+        android:id="@+id/username"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:inputType="text"
+        android:visibility="gone" />
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Password" />
+
+    <EditText
+        android:id="@+id/password"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:inputType="textPassword" />
+
+    <TextView
+        android:id="@+id/confirm_password_label"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Confirm Password"
+        android:visibility="gone" />
+
+    <EditText
+        android:id="@+id/confirm_password_field"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="confirm password"
+        android:inputType="textPassword"
+        android:visibility="gone" />
+
+    <Button
+        android:id="@+id/login_button"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:layout_marginStart="16dp"
+        android:onClick="logInOnClick"
+        android:text="Login" />
+
+    <Button
+        android:id="@+id/go_to_register_button"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:layout_marginStart="16dp"
+        android:onClick="goToRegisterOnClick"
+        android:text="Register" />
+
+    <Button
+        android:id="@+id/register_button"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:layout_marginStart="16dp"
+        android:onClick="registerOnClick"
+        android:text="Register"
+        android:visibility="gone" />
+
+    <Button
+        android:id="@+id/back_to_login_button"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:layout_marginStart="16dp"
+        android:onClick="backToLogin"
+        android:text="back to Login"
+        android:visibility="gone" />
+
+
+</LinearLayout>

app/MyHyvesBookPlusStagram/app/src/main/res/layout/activity_main.xml

@@ -6,7 +6,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    tools:context="nl.myhyvesbookplus.stagram.MainActivity">
+    tools:context="nl.myhyvesbookplus.tagram.MainActivity">
 
     <FrameLayout
         android:id="@+id/content"

app/MyHyvesBookPlusStagram/app/src/main/res/values/colors.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimary">#fbbf2d</color>
-    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorPrimaryDark">#ffa70f</color>
-    <color name="colorAccent">#FF4081</color>
+    <color name="colorAccent">#4CAF50</color>
 </resources>

app/MyHyvesBookPlusStagram/app/src/main/res/values/strings.xml

@@ -1,5 +1,5 @@
 <resources>
-    <string name="app_name">MyHyvesBook+Stagram</string>
+    <string name="app_name">MyHyvesBookPlusTagram</string>
     <string name="title_home">Home</string>
     <string name="title_dashboard">Dashboard</string>
     <string name="title_notifications">Notifications</string>

app/MyHyvesBookPlusStagram/app/src/test/java/nl/myhyvesbookplus/stagram/ExampleUnitTest.java

@@ -1,17 +0,0 @@
-package nl.myhyvesbookplus.stagram;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}