Removed Shared Preferences

app/src/main/java/com/darshanbshah/odsystem/RollNumber.java

@@ -11,6 +11,7 @@ import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.View;
+import android.view.Window;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.EditText;
@@ -99,6 +100,8 @@ public class RollNumber extends AppCompatActivity implements AdapterView.OnItemS
         dialog.setMessage("Please Wait");
         dialog.show();
 
+
+
         adv.addChildEventListener(new ChildEventListener() {
             @Override
             public void onChildAdded(DataSnapshot dataSnapshot, String s) {
@@ -110,20 +113,21 @@ public class RollNumber extends AppCompatActivity implements AdapterView.OnItemS
                     startActivity(new Intent(getApplicationContext(), TeacherActivity.class));
                 }
                 else {
-                    SharedPreferences preferences = getSharedPreferences("ActivityPREF", Context.MODE_PRIVATE);
-
-                    if(preferences.getBoolean("activity_executed", false)){
-                        Intent intent = new Intent(RollNumber.this, MainActivity.class);
-                        startActivity(intent);
-                        finish();
+//                    SharedPreferences preferences = getSharedPreferences("ActivityPREF", Context.MODE_PRIVATE);
+//
+//                    if(preferences.getBoolean("activity_executed", false)){
+//                        Intent intent = new Intent(RollNumber.this, MainActivity.class);
+//                        startActivity(intent);
+//                        finish();
+//                        dialog.hide();
+//                    }
+//                    else {
+//                        SharedPreferences.Editor edit = preferences.edit();
+//                        edit.putBoolean("activity_executed", true);
+//                        edit.commit();
+//                    }
                     dialog.hide();
                 }
-                    else {
-                        SharedPreferences.Editor edit = preferences.edit();
-                        edit.putBoolean("activity_executed", true);
-                        edit.commit();
-                    }
-                }
             }
 
             @Override

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

 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout 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:id="@+id/activity_login"
     android:layout_width="match_parent"
@@ -8,26 +9,31 @@
     android:paddingLeft="@dimen/activity_horizontal_margin"
     android:paddingRight="@dimen/activity_horizontal_margin"
     android:paddingTop="@dimen/activity_vertical_margin"
-    tools:context="com.darshanbshah.odsystem.Login">
+    tools:context="com.darshanbshah.odsystem.Login"
+    android:background="@color/colorPrimary">
+
+    <com.google.android.gms.common.SignInButton
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:id="@+id/sign_in_button"
+        android:background="@color/colorPrimary"
+        app:buttonSize="wide"
+        android:layout_alignParentBottom="true"
+        android:layout_centerHorizontal="true"
+        android:layout_marginBottom="72dp"></com.google.android.gms.common.SignInButton>
 
     <TextView
         android:text="OD SYSTEM"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginTop="12dp"
         android:id="@+id/textView3"
         android:typeface="sans"
         android:textAppearance="@style/TextAppearance.AppCompat"
         android:textSize="36sp"
         android:textAlignment="center"
+        android:textColor="@color/colorAccent"
         android:layout_alignParentTop="true"
-        android:layout_alignParentStart="true" />
-
-    <com.google.android.gms.common.SignInButton
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="186dp"
-        android:id="@+id/sign_in_button"
-        android:layout_centerHorizontal="true"></com.google.android.gms.common.SignInButton>
+        android:layout_alignParentStart="true"
+        android:layout_marginTop="114dp" />
 
 </RelativeLayout>