button stuff + tool bar back button completed

app/src/main/AndroidManifest.xml

@@ -15,20 +15,23 @@
 
         <activity
             android:name=".LoginActivity"
-            android:exported="true"/>
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
 
         <activity
             android:name=".DailyQuestActivity"
+            android:parentActivityName=".MainActivity"
             android:exported="true" />
 
         <activity
             android:name=".MainActivity"
-            android:exported="true">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
+            android:parentActivityName=".LoginActivity"
+            android:exported="true"/>
+
     </application>
 
 </manifest>

app/src/main/java/com/example/camlingo/DailyQuestActivity.java

@@ -1,20 +1,66 @@
 package com.example.camlingo;
 
+import android.content.Intent;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
 
 import androidx.activity.EdgeToEdge;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.cardview.widget.CardView;
 import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
 
+import java.util.Objects;
+
 public class DailyQuestActivity extends AppCompatActivity {
 
+    private Button ClaimButton, StarQuestButton;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         EdgeToEdge.enable(this);
         setContentView(R.layout.activity_daily_quest);
+
+        //find button by id
+        ClaimButton = findViewById(R.id.claim_button_DailyQuest);
+        StarQuestButton = findViewById(R.id.startQuest_button_DailyQuest);
+
+        //back button on toolbar
+        Toolbar toolbar = findViewById(R.id.dailyQuest_toolbar);
+        setSupportActionBar(toolbar);
+
+        // Clear default title
+        Objects.requireNonNull(getSupportActionBar()).setDisplayShowTitleEnabled(false);
+
+        //this adds the back button, so when pressed it goes back to the login page
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+
+        //"Claim Now" button click
+        ClaimButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                //no activity to open yet, just a placeholder here
+                Intent intent = new Intent(DailyQuestActivity.this, DailyQuestActivity.class);
+                startActivity(intent);
+            }
+        });
+
+        //Start today's quest button click
+        StarQuestButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                //no activity to open yet, just a placeholder here
+                Intent intent = new Intent(DailyQuestActivity.this, DailyQuestActivity.class);
+                startActivity(intent);
+            }
+        });
+
+
         ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.daily_quests), (v, insets) -> {
             Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
             v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);

app/src/main/java/com/example/camlingo/LoginActivity.java

@@ -1,6 +1,11 @@
 package com.example.camlingo;
 
+import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
 
 import androidx.activity.EdgeToEdge;
 import androidx.appcompat.app.AppCompatActivity;
@@ -10,11 +15,44 @@
 
 public class LoginActivity extends AppCompatActivity {
 
+    private Button loginButton;
+    private EditText UsernameEditText;
+    private EditText PassWEditText;
+    private SharedPreferences prefs;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         EdgeToEdge.enable(this);
         setContentView(R.layout.activity_login);
+
+        loginButton = findViewById(R.id.button_login);
+        UsernameEditText = findViewById(R.id.username_input);
+        PassWEditText = findViewById(R.id.password_input);
+        prefs = getSharedPreferences("UserPrefs", MODE_PRIVATE);
+
+        //preserve username so it will appear next time
+        String inputusername = prefs.getString("DefaultEmail", "[email protected]");
+        UsernameEditText.setText(inputusername);
+
+        //when the login button is pressed
+        loginButton.setOnClickListener(view -> {
+            String user = UsernameEditText.getText().toString();
+            String password = PassWEditText.getText().toString();
+
+            //place for checking user and password validation
+
+            //preserved username
+            SharedPreferences.Editor edit = prefs.edit();
+            edit.putString("DefaultUserName", user);
+            edit.apply();
+
+            //start login activity
+            Intent intent = new Intent(LoginActivity.this, MainActivity.class);
+            startActivity(intent);
+        });
+
+
         ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
             Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
             v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);

app/src/main/java/com/example/camlingo/MainActivity.java

@@ -32,6 +32,9 @@ protected void onCreate(Bundle savedInstanceState) {
         Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
+        //this adds the back button, so when pressed it goes back to the login page
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
         // Clear default title
         Objects.requireNonNull(getSupportActionBar()).setDisplayShowTitleEnabled(false);
 
@@ -41,6 +44,28 @@ public void onClick(View v) {
                 startActivity(new Intent(MainActivity.this, DailyQuestActivity.class));
             }
         });
+
+        //ContinueLearning button click
+        continueLearningCard.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+                //no activity to open yet, just a placeholder here
+                Intent intent = new Intent(MainActivity.this, MainActivity.class);
+                startActivity(intent);
+            }
+        });
+
+        //leader board card button click
+        leaderboardCard.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                //no activity to open yet, just a placeholder here
+                Intent intent = new Intent(MainActivity.this, MainActivity.class);
+                startActivity(intent);
+            }
+        });
+
     }
 
     @Override