Added ListView for displaying OD_List in TeacherActivity.java

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

+package com.darshanbshah.odsystem;
+
+/**
+ * Created by iamDarshan on 22/04/17.
+ */
+import android.content.Context;
+import android.graphics.Typeface;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CustomListAdapter extends ArrayAdapter {
+
+
+    static class DataHandler {
+        TextView tv;
+    }
+
+    List list = new ArrayList();
+    public CustomListAdapter(Context context, int resource) {
+        super(context, resource);
+    }
+
+    @Override
+    public void add(Object object) {
+        super.add(object);
+        list.add(object);
+    }
+
+    @Override
+    public int getCount() {
+        return this.list.size();
+    }
+
+    @Nullable
+    @Override
+    public Object getItem(int position) {
+        return this.list.get(position);
+    }
+
+    @NonNull
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        View row;
+        row = convertView;
+        DataHandler handler;
+        if (convertView == null) {
+            LayoutInflater inflater = (LayoutInflater) this.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            row = inflater.inflate(R.layout.list_item, parent, false);
+            handler = new DataHandler();
+            handler.tv = (TextView)row.findViewById(R.id.listText);
+            row.setTag(handler);
+        }
+        else {
+            handler = (DataHandler) row.getTag();
+        }
+
+//        Typeface one = Typeface.createFromAsset(parent.getContext().getAssets(), "fonts/BebasNeue Bold.ttf");
+        DataProvider provider = (DataProvider) this.getItem(position);
+        handler.tv.setText(provider.getDetector());
+//        handler.tv.setTypeface(one);
+        handler.tv.setTextSize(30);
+        return row;
+    }
+}

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

+package com.darshanbshah.odsystem;
+
+/**
+ * Created by iamDarshan on 22/04/17.
+ */
+
+public class DataProvider {
+    private String detector;
+
+    public DataProvider(String detector) {
+        this.setDetector(detector);
+    }
+
+    public String getDetector() {
+        return detector;
+    }
+
+    public void setDetector(String detector) {
+        this.detector = detector;
+    }
+}
\ No newline at end of file

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

@@ -5,6 +5,7 @@ import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
+import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
 
@@ -30,10 +31,13 @@ public class TeacherActivity extends AppCompatActivity {
     DatabaseReference adv;
     DatabaseReference student;
 
-    TextView t;
     List<String> uid_list = new ArrayList<String>();
     HashMap<String, String> uid_map = new HashMap<String, String>();
 
+    ListView listView;
+
+    CustomListAdapter adapter;
+
     String adv_name;
 
     @Override
@@ -45,7 +49,7 @@ public class TeacherActivity extends AppCompatActivity {
         od = root.child("OD");
         adv = root.child("Advisors");
         student = root.child("Student");
-        t = (TextView)findViewById(R.id.textView);
+        listView = (ListView)findViewById(R.id.listView);
 
         adv.addChildEventListener(new ChildEventListener() {
             @Override
@@ -91,6 +95,14 @@ public class TeacherActivity extends AppCompatActivity {
                         uid_list.add(data.getKey());
                     }
                 }
+                adapter = new CustomListAdapter(getApplicationContext(), R.layout.list_item);
+                listView.setAdapter(adapter);
+
+                Log.e("UIDLIST_SIZE", String.valueOf(uid_list.size()));
+                for (String value: uid_list) {
+                    DataProvider provider = new DataProvider(value);
+                    adapter.add(provider);
+                }
             }
 
             @Override
@@ -146,6 +158,7 @@ public class TeacherActivity extends AppCompatActivity {
 
             }
         });
+
     }
 
     public void signOut(View view) {

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

@@ -4,28 +4,35 @@
     android:id="@+id/activity_teacher"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    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="com.darshanbshah.odsystem.TeacherActivity">
 
     <Button
         android:text="Logout"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
-        android:layout_centerHorizontal="true"
-        android:layout_marginTop="181dp"
         android:id="@+id/button2"
-        android:onClick="signOut" />
+        android:onClick="signOut"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentEnd="true" />
 
-    <TextView
-        android:text="TextView"
-        android:layout_width="wrap_content"
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@+id/button2"
+        android:layout_alignParentStart="true">
+
+        <LinearLayout
+            android:layout_width="match_parent"
             android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
-        android:layout_centerHorizontal="true"
-        android:layout_marginTop="64dp"
-        android:id="@+id/textView" />
+            android:orientation="vertical">
+
+            <ListView
+                android:layout_width="match_parent"
+                android:layout_height="800dp"
+                android:id="@+id/listView">
+
+            </ListView>
+
+        </LinearLayout>
+    </ScrollView>
 </RelativeLayout>

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

+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    
+    <TextView
+        android:id="@+id/listText"
+        android:layout_width="match_parent"
+        android:layout_height="100dp" />
+    
+</LinearLayout>
\ No newline at end of file