Use CursorAdapter

app/src/main/AndroidManifest.xml

@@ -12,6 +12,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
+        <activity android:name=".ShowActivity"></activity>
         <activity
             android:name=".MainActivity"
             android:screenOrientation="portrait">
@@ -21,7 +22,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-
         <activity android:name=".AttendanceActivity" />
 
         <provider

app/src/main/java/dev/ujjwal/sqlitedatastorage/MainActivity.java

@@ -92,6 +92,7 @@ public void onClick(View v) {
         findViewById(R.id.read).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
+/*
 //                StudentDbHelper studentDbHelper = new StudentDbHelper(getApplicationContext());
 
 //                SQLiteDatabase db = studentDbHelper.getReadableDatabase();
@@ -123,6 +124,9 @@ public void onClick(View v) {
                 showMessage("Data", buffer.toString());
 
                 cursor.close();
+ */
+                Intent intent = new Intent(MainActivity.this, ShowActivity.class);
+                startActivity(intent);
             }
         });
 

app/src/main/java/dev/ujjwal/sqlitedatastorage/ShowActivity.java

@@ -0,0 +1,33 @@
+package dev.ujjwal.sqlitedatastorage;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.database.Cursor;
+import android.os.Bundle;
+import android.widget.ListView;
+
+import dev.ujjwal.sqlitedatastorage.data.StudentContract.StudentEntry;
+
+public class ShowActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_show);
+
+        String[] projection = {StudentEntry._ID,
+                StudentEntry.COLUMN_QR_CODE_ID,
+                StudentEntry.COLUMN_NAME,
+                StudentEntry.COLUMN_BATCH};
+        Cursor cursor = getContentResolver().query(
+                StudentEntry.CONTENT_URI,
+                projection,
+                null,
+                null,
+                null);
+
+        ListView listView = findViewById(R.id.activity_show_listView);
+        StudentCursorAdapter studentCursorAdapter = new StudentCursorAdapter(this, cursor);
+        listView.setAdapter(studentCursorAdapter);
+    }
+}

app/src/main/java/dev/ujjwal/sqlitedatastorage/StudentCursorAdapter.java

@@ -0,0 +1,42 @@
+package dev.ujjwal.sqlitedatastorage;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CursorAdapter;
+import android.widget.TextView;
+
+import dev.ujjwal.sqlitedatastorage.data.StudentContract.StudentEntry;
+
+public class StudentCursorAdapter extends CursorAdapter {
+
+    public StudentCursorAdapter(Context context, Cursor c) {
+        super(context, c, 0);
+    }
+
+    @Override
+    public View newView(Context context, Cursor cursor, ViewGroup parent) {
+        return LayoutInflater.from(context).inflate(R.layout.item_show, parent, false);
+    }
+
+
+    @Override
+    public void bindView(View view, Context context, Cursor cursor) {
+        TextView nameTextView = view.findViewById(R.id.name_item_show);
+        TextView summaryTextView = view.findViewById(R.id.batch_item_show);
+
+        // Find the columns of pet attributes that we're interested in
+        int nameColumnIndex = cursor.getColumnIndex(StudentEntry.COLUMN_NAME);
+        int breedColumnIndex = cursor.getColumnIndex(StudentEntry.COLUMN_BATCH);
+
+        // Read the pet attributes from the Cursor for the current pet
+        String petName = cursor.getString(nameColumnIndex);
+        String petBreed = cursor.getString(breedColumnIndex);
+
+        // Update the TextViews with the attributes for the current pet
+        nameTextView.setText(petName);
+        summaryTextView.setText(petBreed);
+    }
+}

app/src/main/java/dev/ujjwal/sqlitedatastorage/recycler/AttendanceAdapter.java

@@ -29,7 +29,7 @@ public AttendanceAdapter(Context context, Integer[] id, String[] name, Integer[]
     @Override
     public AttendanceHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
         LayoutInflater layoutInflater = LayoutInflater.from(parent.getContext());
-        View view = layoutInflater.inflate(R.layout.attendance_layout, parent, false);
+        View view = layoutInflater.inflate(R.layout.item_attendance, parent, false);
         return (new AttendanceHolder(view));
     }
 

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

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ShowActivity">
+
+    <ListView
+        android:id="@+id/activity_show_listView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</RelativeLayout>

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

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:padding="5dp">
+
+    <TextView
+        android:id="@+id/name_item_show"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:fontFamily="sans-serif-medium"
+        android:textAppearance="?android:textAppearanceMedium"
+        android:textColor="#2B3D4D" />
+
+    <TextView
+        android:id="@+id/batch_item_show"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:fontFamily="sans-serif"
+        android:textAppearance="?android:textAppearanceSmall"
+        android:textColor="#AEB6BD" />
+</LinearLayout>