Login menu added

Author: burgereza

.idea/misc.xml

@@ -46,6 +46,12 @@ public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
                 openSignupStudentFragment();
             }
         });
+
+        binding.loginButton.setOnClickListener(view1 -> {
+            NavHostFragment.findNavController(SignupFragment.this)
+                    .navigate(SignupFragmentDirections.
+                            actionSignupFragmentToLoginFragment());
+        });
     }
 
     private boolean areFieldsValid(boolean isStudentClicked) {

app/src/main/java/edu/sharif/homework1/SignupFragment.java

@@ -7,6 +7,7 @@
     tools:context=".SignupFragment">
 
     <LinearLayout
+        android:id="@+id/linearLayout3"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:gravity="center"
@@ -77,4 +78,17 @@
         </LinearLayout>
     </LinearLayout>
 
+    <Button
+        android:id="@+id/loginButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="already have an account? log in"
+        android:textSize="16sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.498"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/linearLayout3"
+        app:layout_constraintVertical_bias="0.328" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_signup.xml

@@ -16,6 +16,9 @@
         <action
             android:id="@+id/action_signup_to_student"
             app:destination="@id/studentSignupFragment" />
+        <action
+            android:id="@+id/action_SignupFragment_to_loginFragment"
+            app:destination="@id/loginFragment" />
     </fragment>
     <fragment
         android:id="@+id/studentSignupFragment"
@@ -213,4 +216,19 @@
             android:name="trainingName"
             app:argType="string" />
     </fragment>
+    <fragment
+        android:id="@+id/loginFragment"
+        android:name="edu.sharif.homework1.LoginFragment"
+        android:label="fragment_login"
+        tools:layout="@layout/fragment_login" >
+        <action
+            android:id="@+id/action_loginFragment_to_SignupFragment"
+            app:destination="@id/SignupFragment" />
+        <action
+            android:id="@+id/action_loginFragment_to_studentPanelFragment"
+            app:destination="@id/studentPanelFragment" />
+        <action
+            android:id="@+id/action_loginFragment_to_professorPanelFragment"
+            app:destination="@id/professorPanelFragment" />
+    </fragment>
 </navigation>

app/src/main/res/navigation/nav_graph.xml

@@ -29,6 +29,8 @@
     <string name="training_name">training name</string>
     <string name="Create_Training">create training</string>
     <string name="Create_New_Training">create new training</string>
+    <string name="login">login</string>
+    <string name="UserName">username</string>
 
 
 </resources>