Final

app/build.gradle

@@ -2,10 +2,10 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 25
-    buildToolsVersion "25.0.0"
+    buildToolsVersion '25.0.2'
     defaultConfig {
         applicationId "com.digitalar"
-        minSdkVersion 23
+        minSdkVersion 22
         targetSdkVersion 25
         versionCode 1
         versionName "1.0"
@@ -31,6 +31,9 @@ dependencies {
     compile 'com.android.support:design:25.1.0'
     compile 'com.google.firebase:firebase-auth:10.0.1'
     compile 'com.google.firebase:firebase-database:10.0.1'
+    compile 'com.android.support:cardview-v7:25.1.0'
+    compile 'com.android.support:support-v4:25.1.0'
+    compile 'com.android.support:recyclerview-v7:25.1.0'
     testCompile 'junit:junit:4.12'
 }
 apply plugin: 'com.google.gms.google-services'

app/src/main/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.digitalar">
+
     <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -16,7 +18,13 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".SignupAct"></activity>
+        <activity android:name=".SignupAct" />
+        <activity android:name=".Home" />
+        <activity
+            android:name=".AdmHome"
+            android:label="@string/title_activity_adm_home"
+            android:theme="@style/AppTheme.NoActionBar" />
+        <activity android:name=".Addclass"></activity>
     </application>
 
 </manifest>
\ No newline at end of file

app/src/main/java/com/digitalar/Addclass.java

+package com.digitalar;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+public class Addclass extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_addclass);
+    }
+}

app/src/main/java/com/digitalar/AdmHome.java

+package com.digitalar;
+
+import android.app.Dialog;
+import android.app.Fragment;
+import android.app.FragmentManager;
+import android.app.FragmentTransaction;
+import android.app.ProgressDialog;
+import android.os.Bundle;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
+import android.view.View;
+import android.support.design.widget.NavigationView;
+import android.support.v4.view.GravityCompat;
+import android.support.v4.widget.DrawerLayout;
+import android.support.v7.app.ActionBarDrawerToggle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.widget.TextView;
+
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+
+public class AdmHome extends AppCompatActivity
+        implements NavigationView.OnNavigationItemSelectedListener {
+    DatabaseReference mData;
+    FirebaseAuth mAuth;
+    int viewid;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_adm_home);
+        viewid=R.id.nav_class;
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+     mData = FirebaseDatabase.getInstance().getReference();
+       mAuth = FirebaseAuth.getInstance();
+
+
+        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
+        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
+                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
+        drawer.setDrawerListener(toggle);
+        toggle.syncState();
+
+        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
+        navigationView.setNavigationItemSelectedListener(this);
+    }
+
+    @Override
+    public void onBackPressed() {
+        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
+        if (drawer.isDrawerOpen(GravityCompat.START)) {
+            drawer.closeDrawer(GravityCompat.START);
+        } else {
+            super.onBackPressed();
+        }
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.adm_home, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        int id = item.getItemId();
+
+        //noinspection SimplifiableIfStatement
+        if (id == R.id.action_settings) {
+            mAuth.signOut();
+            finish();
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    @SuppressWarnings("StatementWithEmptyBody")
+    @Override
+    public boolean onNavigationItemSelected(MenuItem item) {
+        // Handle navigation view item clicks here.
+        int id = item.getItemId();
+        viewid=id;
+
+        if (id == R.id.nav_class) {
+            // Handle the camera action
+            ItemFragment i1 = ItemFragment.newInstance(2);
+            FragmentTransaction f1 =getFragmentManager().beginTransaction();
+            f1.add(R.id.fra1,i1);
+            f1.commit();
+
+        } else if (id == R.id.nav_course)
+        {
+
+        } else if (id == R.id.nav_slideshow) {
+
+        } else if (id == R.id.nav_share) {
+
+        } else if (id == R.id.nav_send) {
+
+        }
+
+        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
+        drawer.closeDrawer(GravityCompat.START);
+        return true;
+    }
+    Dialog d1;
+public void fab(View view)
+{
+    d1 = new Dialog(this);
+    switch(viewid) {
+        case R.id.nav_class :
+        d1.setContentView(R.layout.activity_addclass);
+            break;
+        case R.id.nav_course:
+            d1.setContentView(R.layout.addcourse);
+
+    }
+    d1.show();
+
+   // mData.child("class").setValue(Name);
+
+}
+public void addclass(View view)
+{
+    ProgressDialog p1 = new ProgressDialog(this);
+    p1.setMessage("Adding Class ...");
+    TextView t1 = (TextView)d1.findViewById(R.id.editTextx);
+    p1.show();
+    mData.child("class").child(t1.getText().toString()).setValue(t1.getText().toString());
+    p1.dismiss();
+    d1.dismiss();
+}
+    public void addcourse(View view)
+    {
+        ProgressDialog p1 = new ProgressDialog(this);
+        p1.setMessage("Adding Course ...");
+        TextView t1 = (TextView)d1.findViewById(R.id.editTextx);
+        p1.show();
+        mData.child("course").child(t1.getText().toString()).setValue(t1.getText().toString());
+        p1.dismiss();
+        d1.dismiss();
+    }
+}

app/src/main/java/com/digitalar/Home.java

+package com.digitalar;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+
+public class Home extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_home);
+    }
+        public void addfac(View view)
+        {
+            Intent in = new Intent (this,SignupAct.class);
+            startActivity(in);
+
+        }
+}

app/src/main/java/com/digitalar/ItemFragment.java

+package com.digitalar;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.app.Fragment;
+import android.support.v7.widget.GridLayoutManager;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.digitalar.dummy.DummyContent;
+import com.digitalar.dummy.DummyContent.DummyItem;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A fragment representing a list of Items.
+ * <p/>
+ * Activities containing this fragment MUST implement the {@link OnListFragmentInteractionListener}
+ * interface.
+ */
+public class ItemFragment extends Fragment {
+
+    // TODO: Customize parameter argument names
+    private static final String ARG_COLUMN_COUNT = "column-count";
+    // TODO: Customize parameters
+    private int mColumnCount = 1;
+    private OnListFragmentInteractionListener mListener;
+
+    /**
+     * Mandatory empty constructor for the fragment manager to instantiate the
+     * fragment (e.g. upon screen orientation changes).
+     */
+    public ItemFragment() {
+    }
+
+    // TODO: Customize parameter initialization
+    @SuppressWarnings("unused")
+    public static ItemFragment newInstance(int columnCount) {
+        ItemFragment fragment = new ItemFragment();
+        Bundle args = new Bundle();
+        args.putInt(ARG_COLUMN_COUNT, columnCount);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        if (getArguments() != null) {
+            mColumnCount = getArguments().getInt(ARG_COLUMN_COUNT);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_item_list, container, false);
+
+        // Set the adapter
+        if (view instanceof RecyclerView) {
+            Context context = view.getContext();
+            RecyclerView recyclerView = (RecyclerView) view;
+            if (mColumnCount <= 1) {
+                recyclerView.setLayoutManager(new LinearLayoutManager(context));
+            } else {
+                recyclerView.setLayoutManager(new GridLayoutManager(context, mColumnCount));
+            }
+            List<String>s1 = new ArrayList<>(20);
+            s1.add("hello");
+            s1.add("hi");
+            s1.add("bye");
+            recyclerView.setAdapter(new MyItemRecyclerViewAdapter(DummyContent.ITEMS, mListener));
+        }
+        return view;
+    }
+
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        if (context instanceof OnListFragmentInteractionListener)
+        {
+            mListener = (OnListFragmentInteractionListener) context;
+        } else {
+            throw new RuntimeException(context.toString()
+                    + " must implement OnListFragmentInteractionListener");
+        }
+    }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+        mListener = null;
+    }
+
+    /**
+     * This interface must be implemented by activities that contain this
+     * fragment to allow an interaction in this fragment to be communicated
+     * to the activity and potentially other fragments contained in that
+     * activity.
+     * <p/>
+     * See the Android Training lesson <a href=
+     * "http://developer.android.com/training/basics/fragments/communicating.html"
+     * >Communicating with Other Fragments</a> for more information.
+     */
+    public interface OnListFragmentInteractionListener {
+        // TODO: Update argument type and name
+        void onListFragmentInteraction(DummyItem item);
+    }
+}

app/src/main/java/com/digitalar/LoginScreen.java

@@ -85,7 +85,9 @@ EditText Password;
                                 else
                                 {
                                     p1.dismiss();
+
                                    Toast.makeText(LoginScreen.this, "Login Successful", Toast.LENGTH_SHORT).show();
+                                    call();
                                     //Start next activity
                                 }
                             }
@@ -97,4 +99,9 @@ EditText Password;
             }
 
         }
+
+    private void call() {
+        Intent in = new Intent(this,AdmHome.class);
+        startActivity(in);
+    }
 }

app/src/main/java/com/digitalar/MyItemRecyclerViewAdapter.java

+package com.digitalar;
+
+import android.support.v4.view.MotionEventCompat;
+import android.support.v7.widget.RecyclerView;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.digitalar.ItemFragment.OnListFragmentInteractionListener;
+import com.digitalar.dummy.DummyContent.DummyItem;
+
+import java.util.List;
+
+/**
+ * {@link RecyclerView.Adapter} that can display a {@link DummyItem} and makes a call to the
+ * specified {@link OnListFragmentInteractionListener}.
+ * TODO: Replace the implementation with code for your data type.
+ */
+public class MyItemRecyclerViewAdapter extends RecyclerView.Adapter<MyItemRecyclerViewAdapter.ViewHolder> {
+
+    private final List<DummyItem> mValues;
+    private final OnListFragmentInteractionListener mListener;
+
+    public MyItemRecyclerViewAdapter(List<DummyItem> items, OnListFragmentInteractionListener listener) {
+        mValues = items;
+        mListener = listener;
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.fragment_item, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(final ViewHolder holder, int position) {
+        holder.mItem = mValues.get(position);
+        holder.mIdView.setText(mValues.get(position).id);
+        holder.mContentView.setText(mValues.get(position).content);
+        holder.mView.setFocusable(true);
+        holder.mView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+               Integer e1= holder.getAdapterPosition()+1;
+                Log.d("recycler",e1.toString());
+                if (null != mListener) {
+                    // Notify the active callbacks interface (the activity, if the
+                    // fragment is attached to one) that an item has been selected.
+                    mListener.onListFragmentInteraction(holder.mItem);
+                }
+            }
+        });
+    }
+
+    @Override
+    public int getItemCount() {
+        return mValues.size();
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder {
+        public final View mView;
+        public final TextView mIdView;
+        public final TextView mContentView;
+        public DummyItem mItem;
+
+        public ViewHolder(View view) {
+            super(view);
+            mView = view;
+            mIdView = (TextView) view.findViewById(R.id.id);
+            mContentView = (TextView) view.findViewById(R.id.content);
+        }
+
+        @Override
+        public String toString() {
+            return super.toString() + " '" + mContentView.getText() + "'";
+        }
+    }
+}

app/src/main/java/com/digitalar/dummy/DummyContent.java

+package com.digitalar.dummy;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Helper class for providing sample content for user interfaces created by
+ * Android template wizards.
+ * <p>
+ * TODO: Replace all uses of this class before publishing your app.
+ */
+public class DummyContent {
+
+    /**
+     * An array of sample (dummy) items.
+     */
+    public static final List<DummyItem> ITEMS = new ArrayList<DummyItem>();
+
+    /**
+     * A map of sample (dummy) items, by ID.
+     */
+    public static final Map<String, DummyItem> ITEM_MAP = new HashMap<String, DummyItem>();
+
+    private static final int COUNT = 25;
+
+    static {
+        // Add some sample items.
+        for (int i = 1; i <= COUNT; i++) {
+            addItem(createDummyItem(i));
+        }
+    }
+
+    private static void addItem(DummyItem item) {
+        ITEMS.add(item);
+        ITEM_MAP.put(item.id, item);
+    }
+
+    private static DummyItem createDummyItem(int position) {
+        return new DummyItem(String.valueOf(position), "Item " + position, makeDetails(position));
+    }
+
+    private static String makeDetails(int position) {
+        StringBuilder builder = new StringBuilder();
+        builder.append("Details about Item: ").append(position);
+        for (int i = 0; i < position; i++) {
+            builder.append("\nMore details information here.");
+        }
+        return builder.toString();
+    }
+
+    /**
+     * A dummy item representing a piece of content.
+     */
+    public static class DummyItem {
+        public final String id;
+        public final String content;
+        public final String details;
+
+        public DummyItem(String id, String content, String details) {
+            this.id = id;
+            this.content = content;
+            this.details = details;
+        }
+
+        @Override
+        public String toString() {
+            return content;
+        }
+    }
+}

app/src/main/res/drawable/ic_menu_camera.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,12m-3.2,0a3.2,3.2 0,1 1,6.4 0a3.2,3.2 0,1 1,-6.4 0" />
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M9,2L7.17,4H4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2V6c0,-1.1 -0.9,-2 -2,-2h-3.17L15,2H9zm3,15c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5z" />
+</vector>

app/src/main/res/drawable/ic_menu_gallery.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M22,16V4c0,-1.1 -0.9,-2 -2,-2H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2zm-11,-4l2.03,2.71L16,11l4,5H8l3,-4zM2,6v14c0,1.1 0.9,2 2,2h14v-2H4V6H2z" />
+</vector>

app/src/main/res/drawable/ic_menu_manage.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M22.7,19l-9.1,-9.1c0.9,-2.3 0.4,-5 -1.5,-6.9 -2,-2 -5,-2.4 -7.4,-1.3L9,6 6,9 1.6,4.7C0.4,7.1 0.9,10.1 2.9,12.1c1.9,1.9 4.6,2.4 6.9,1.5l9.1,9.1c0.4,0.4 1,0.4 1.4,0l2.3,-2.3c0.5,-0.4 0.5,-1.1 0.1,-1.4z" />
+</vector>
\ No newline at end of file

app/src/main/res/drawable/ic_menu_send.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M2.01,21L23,12 2.01,3 2,10l15,2 -15,2z" />
+</vector>

app/src/main/res/drawable/ic_menu_share.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92 1.61,0 2.92,-1.31 2.92,-2.92s-1.31,-2.92 -2.92,-2.92z" />
+</vector>

app/src/main/res/drawable/ic_menu_slideshow.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M4,6H2v14c0,1.1 0.9,2 2,2h14v-2H4V6zm16,-4H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V4c0,-1.1 -0.9,-2 -2,-2zm-8,12.5v-9l6,4.5 -6,4.5z" />
+</vector>

app/src/main/res/drawable/side_nav_bar.xml

+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <gradient
+        android:angle="135"
+        android:centerColor="#4CAF50"
+        android:endColor="#2E7D32"
+        android:startColor="#81C784"
+        android:type="linear" />
+</shape>
\ No newline at end of file

app/src/main/res/layout/activity_addclass.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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.digitalar.Addclass">
+
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true"
+        android:layout_marginStart="22dp"
+        android:layout_marginTop="84dp"
+        android:text="Class Name :"
+        android:textAppearance="@style/TextAppearance.AppCompat.Body2"
+        android:textSize="18sp" />
+
+    <EditText
+        android:id="@+id/editTextx"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignBaseline="@+id/textView3"
+        android:layout_alignBottom="@+id/textView3"
+        android:layout_marginStart="19dp"
+        android:layout_toEndOf="@+id/textView3"
+        android:ems="10"
+        android:hint="Name"
+        android:inputType="textPersonName" />
+
+    <Button
+        android:id="@+id/button3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:onClick="addclass"
+        android:layout_marginTop="63dp"
+        android:text="Add Class"
+        android:layout_marginStart="72dp"
+        android:layout_below="@+id/editTextx"
+        android:layout_alignStart="@+id/textView3" />
+
+    <TextView
+        android:id="@+id/textView4"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Add Class"
+        android:textAppearance="@style/TextAppearance.AppCompat.Display1"
+        android:layout_alignParentTop="true"
+        android:layout_centerHorizontal="true" />
+</RelativeLayout>

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

+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v4.widget.DrawerLayout 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/drawer_layout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    tools:openDrawer="start">
+
+    <include
+        layout="@layout/app_bar_adm_home"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <android.support.design.widget.NavigationView
+        android:id="@+id/nav_view"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_gravity="start"
+        android:fitsSystemWindows="true"
+        app:headerLayout="@layout/nav_header_adm_home"
+        app:menu="@menu/activity_adm_home_drawer" />
+
+</android.support.v4.widget.DrawerLayout>

app/src/main/res/layout/activity_home.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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.digitalar.Home">
+
+    <Button
+        android:id="@+id/button4"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Add Faculty"
+        tools:layout_editor_absoluteX="125dp"
+        tools:layout_editor_absoluteY="66dp"
+        android:onClick="addfac"
+        android:layout_marginTop="41dp"
+        android:layout_alignParentTop="true"
+        android:layout_alignEnd="@+id/button6" />
+
+    <Button
+        android:id="@+id/button5"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@+id/button4"
+        android:layout_centerHorizontal="true"
+        android:layout_marginLeft="63dp"
+        android:layout_marginTop="72dp"
+        android:text="Add Class"
+        tools:layout_editor_absoluteX="136dp"
+        tools:layout_editor_absoluteY="204dp" />
+
+    <Button
+        android:id="@+id/button6"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="83dp"
+        android:text="Add course"
+        android:layout_alignTop="@+id/button5"
+        android:layout_alignStart="@+id/button5" />
+
+    <Button
+        android:id="@+id/button7"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignStart="@+id/button5"
+        android:layout_below="@+id/button6"
+        android:layout_marginTop="56dp"
+        android:text="Add Student" />
+</RelativeLayout>

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

@@ -72,13 +72,6 @@
                 android:text="Login"
                 android:textStyle="bold" />
 
-            <Button
-                android:id="@+id/button3"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:onClick="put"
-                android:text="Sign Up" />
-
         </LinearLayout>
     </ScrollView>
 </LinearLayout>