Kotlin SQLite Database - Android Studio

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In this example, I will show you how to create SQLite Database in kotlin And how to Add, Update, Delete data in SQLite. .

Kotlin SQLite Database Example Video

  • You can also go through this video explanation.

Kotlin SQLite Database(Add, Update, Delete) Example

Creating a New Project

  • So first create a new Android Studio project using Kotlin.
  • Once the project is loaded come inside the activity_main.xml and remove the Hello World TextView.
Android studio project screen

Step 1:
Open build.gradle and add following dependency and rebuild the project.
implementation 'com.google.android.material:material:1.2.0'
implementation 'androidx.recyclerview:recyclerview:1.1.0'
implementation 'androidx.cardview:cardview:1.0.0'
Step 2:
Create new Package:- recyclerviewclick
RecyclerTouchListener.kt
Create new class RecyclerTouchListener.kt under recyclerviewclick package and Add following code.
package com.kotlinkatta.sqlitedatabase.recyclerviewclick

import android.content.Context
import android.view.GestureDetector
import android.view.GestureDetector.SimpleOnGestureListener
import android.view.MotionEvent
import android.view.View
import androidx.recyclerview.widget.RecyclerView
import androidx.recyclerview.widget.RecyclerView.OnItemTouchListener

class RecyclerTouchListener(context: Context?, recyclerView: RecyclerView?, private val clickListener: ClickListener?) : OnItemTouchListener {

    private val gestureDetector: GestureDetector

    interface ClickListener {
        fun onClick(view: View?, position: Int)
        fun onLongClick(view: View?, position: Int)
    }

    override fun onInterceptTouchEvent(rv: RecyclerView, e: MotionEvent): Boolean {
        val child = rv.findChildViewUnder(e.x, e.y)
        if (child != null && clickListener != null && gestureDetector.onTouchEvent(e)) {
            clickListener.onClick(child, rv.getChildAdapterPosition(child))
        }
        return false
    }

    override fun onTouchEvent(rv: RecyclerView, e: MotionEvent) {}
    override fun onRequestDisallowInterceptTouchEvent(disallowIntercept: Boolean) {}

    init {
        gestureDetector = GestureDetector(context, object : SimpleOnGestureListener() {

            override fun onSingleTapUp(e: MotionEvent?): Boolean {
                return true
            }

            override fun onLongPress(e: MotionEvent) {
                val child = recyclerView!!.findChildViewUnder(e.x, e.y)
                if (child != null && clickListener != null) {
                    clickListener.onLongClick(child, recyclerView.getChildAdapterPosition(child))
                }
            }
        })
    }
}
Step 3:
Create new Package:- model
UserInfoModel.kt
Create new class UserInfoModel.kt under model package and Add following code.
package com.kotlinkatta.sqlitedatabase.model

class UserInfoModel(var key_id: Int , val first_name:String, val last_name:String, val gender:String, val email:String, val address:String) {
}
Step 4:
Create new Package:- database
DatabaseHandler.kt
Create new class DatabaseHandler.kt under database package and Add following code.
package com.kotlinkatta.sqlitedatabase.database

import android.content.Context
import android.database.sqlite.SQLiteDatabase
import android.database.sqlite.SQLiteOpenHelper

class DatabaseHandler(context: Context): SQLiteOpenHelper(context, DATABASE_NAME,null, DATABASE_VERSION) {
    companion object {
        private val DATABASE_VERSION = 1
        private val DATABASE_NAME = "USERINFODATABASE"

        /* UserInfo Data*/
         val userinfo_table_name = "UserInfoTable"
         val userinfo_key_id = "key_id"
         val userinfo_first_name = "first_name"
         val userinfo_last_name = "last_name"
         val userinfo_gender = "gender"
         val userinfo_email = "email"
         val userinfo_address = "address"

        val create_userifo_table = ("CREATE TABLE " + userinfo_table_name + "("
                + userinfo_key_id + " integer primary key autoincrement,"
                + userinfo_first_name + " TEXT,"
                + userinfo_last_name + " TEXT,"
                + userinfo_gender + " TEXT,"
                + userinfo_email + " TEXT,"
                + userinfo_address + " TEXT" + ")")
    }

    override fun onCreate(db: SQLiteDatabase?) {
        db?.execSQL(create_userifo_table)
    }

    override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
        db!!.execSQL("DROP TABLE IF EXISTS " + userinfo_table_name)
        onCreate(db)
    }
}
Step 5:
DatabaseSingleton.kt
Create new class DatabaseSingleton.kt under database package and Add following code.
package com.kotlinkatta.sqlitedatabase.database

import android.content.Context
import android.database.sqlite.SQLiteDatabase

object DatabaseSingleton {
    var database: SQLiteDatabase? = null
    fun getInstance(activity: Context?): SQLiteDatabase? {
        if (database == null) database =
            DatabaseHandler(activity!!).getWritableDatabase()
        return database
    }
}
Step 6:
UserInfoTableManager.kt
Create new class UserInfoTableManager.kt under database package and Add following code.
package com.kotlinkatta.sqlitedatabase.database

import android.content.ContentValues
import android.content.Context
import android.database.sqlite.SQLiteDatabase
import android.util.Log
import com.kotlinkatta.sqlitedatabase.model.UserInfoModel

import java.util.*

class UserInfoTableManager {
    var sqLiteDatabase: SQLiteDatabase? = null
    constructor(activity: Context?) {
        sqLiteDatabase = DatabaseSingleton.getInstance(activity)
    }

    // Insert UserInfo Data
    fun insert_UserInfo_Data(model: UserInfoModel) {
        val cv = ContentValues()
        cv.put(DatabaseHandler.userinfo_first_name, model.first_name)
        cv.put(DatabaseHandler.userinfo_last_name, model.last_name)
        cv.put(DatabaseHandler.userinfo_gender, model.gender)
        cv.put(DatabaseHandler.userinfo_email, model.email)
        cv.put(DatabaseHandler.userinfo_address, model.address)
        sqLiteDatabase!!.insert(DatabaseHandler.userinfo_table_name, null, cv)
    }

    // get UserInfo Data
    fun get_UserInfo_Data(): List<UserInfoModel> {
        val userInfoModelList: MutableList<UserInfoModel> = ArrayList()
        val selectQuery = "select * from " + DatabaseHandler.userinfo_table_name
        val cursor = sqLiteDatabase!!.rawQuery(selectQuery, null)
        if (cursor.moveToFirst()) {
            do {
                var key_id = cursor.getInt(cursor.getColumnIndex(DatabaseHandler.userinfo_key_id))
                var first_name = cursor.getString(cursor.getColumnIndex(DatabaseHandler.userinfo_first_name))
                var last_name = cursor.getString(cursor.getColumnIndex(DatabaseHandler.userinfo_last_name))
                var gender = cursor.getString(cursor.getColumnIndex(DatabaseHandler.userinfo_gender))
                var email = cursor.getString(cursor.getColumnIndex(DatabaseHandler.userinfo_email))
                var address = cursor.getString(cursor.getColumnIndex(DatabaseHandler.userinfo_address))

                val userInfoModel= UserInfoModel(key_id = key_id, first_name = first_name, last_name = last_name, gender = gender, email = email, address = address)
                userInfoModelList.add(userInfoModel)
            } while (cursor.moveToNext())
        }
        return userInfoModelList
    }

    // get UserInfo Data Count
    fun get_UserInfo_Data_Count(): Int {
        var count = 0
        val countQuery = "SELECT  * FROM " + DatabaseHandler.userinfo_table_name
        val cursor = sqLiteDatabase!!.rawQuery(countQuery, null)
        if (cursor != null && !cursor.isClosed) {
            count = cursor.count
            cursor.close()
        }
        return count
    }

    // delete UserInfo Data
    fun delete_UserInfo_Data(userInfo_key_id: String) {
        sqLiteDatabase!!.beginTransaction()
        try {
            sqLiteDatabase!!.delete(DatabaseHandler.userinfo_table_name, DatabaseHandler.userinfo_key_id.toString() + "=" + userInfo_key_id, null)
            sqLiteDatabase!!.setTransactionSuccessful()
        } catch (e: Exception) {
            Log.d("delete", "Error while trying to delete UserInfo Data")
        } finally {
            sqLiteDatabase!!.endTransaction()
        }
    }

   // Update UserInfo Data
    fun update_UserInfo_Data(userInfo_key_id: String, first_name: String, last_name: String, gender: String, email: String, address: String): Boolean {
        val contentValues = ContentValues()
        contentValues.put(DatabaseHandler.userinfo_first_name, first_name)
        contentValues.put(DatabaseHandler.userinfo_last_name, last_name)
        contentValues.put(DatabaseHandler.userinfo_gender, gender)
        contentValues.put(DatabaseHandler.userinfo_email, email)
        contentValues.put(DatabaseHandler.userinfo_address, address)
        sqLiteDatabase!!.update(DatabaseHandler.userinfo_table_name, contentValues, DatabaseHandler.userinfo_key_id.toString() + "=?", arrayOf(userInfo_key_id))
        return true
    }
}
Step 7:
Create new userinfo_row.xml file under layout and Add following code.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <androidx.cardview.widget.CardView
        android:layout_margin="10dp"
        app:cardCornerRadius="5dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_margin="10dp"
            android:orientation="vertical">

            <TextView
                android:id="@+id/txt_name"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text=""
                android:textSize="20dp"  />

            <TextView
                android:id="@+id/txt_gender"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text=""
                android:textSize="17dp"  />

            <TextView
                android:id="@+id/txt_email"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text=""
                android:textSize="17dp"  />

            <TextView
                android:id="@+id/txt_address"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text=""
                android:textSize="17dp"  />

        </LinearLayout>
    </androidx.cardview.widget.CardView>
</LinearLayout>
Step 8:
Create new Package:- adapter
UserInfoAdapter.kt
Create new class UserInfoAdapter.kt under adapter package and Add following code.
package com.kotlinkatta.sqlitedatabase.adapter

import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import com.kotlinkatta.sqlitedatabase.R
import com.kotlinkatta.sqlitedatabase.model.UserInfoModel
import kotlinx.android.synthetic.main.userinfo_row.view.*

class UserInfoAdapter (val userList: List<UserInfoModel>) : RecyclerView.Adapter<UserInfoAdapter.ViewHolder>() {

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
        val v = LayoutInflater.from(parent.context).inflate(R.layout.userinfo_row, parent, false)
        return ViewHolder(v)
    }

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val usermodel : UserInfoModel = userList[position]
        holder.txt_name.text = "Name :" + usermodel.first_name + " " + usermodel.last_name
        holder.txt_gender.text = "Gender : " + usermodel.gender
        holder.txt_email.text = "Email : " + usermodel.email
        holder.txt_address.text = "Address : " + usermodel.address
    }

    override fun getItemCount(): Int {
        return userList.size
    }

    class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
        val txt_name = itemView.txt_name
        val txt_gender = itemView.txt_gender
        val txt_email = itemView.txt_email
        val txt_address = itemView.txt_address
    }
}
Step 9:
activity_main.xml
Add following code into activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout
    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=".MainActivity">

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/recyclerview"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
    </androidx.recyclerview.widget.RecyclerView>

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|end"
        android:layout_margin="16dp"
        app:srcCompat="@android:drawable/ic_menu_add" />

</androidx.coordinatorlayout.widget.CoordinatorLayout>
Step 10:
MainActivity.kt
Add following code into MainActivity.kt
package com.kotlinkatta.sqlitedatabase

import android.content.Intent
import android.os.Bundle
import android.view.View
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import androidx.recyclerview.widget.LinearLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.google.android.material.floatingactionbutton.FloatingActionButton
import com.kotlinkatta.sqlitedatabase.adapter.UserInfoAdapter
import com.kotlinkatta.sqlitedatabase.database.UserInfoTableManager
import com.kotlinkatta.sqlitedatabase.model.UserInfoModel
import com.kotlinkatta.sqlitedatabase.recyclerviewclick.RecyclerTouchListener
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {
    lateinit var userInfo_List: List<UserInfoModel>

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        findViewById<FloatingActionButton>(R.id.fab).setOnClickListener { view ->
            val intent = Intent(applicationContext, AddInfoActivity::class.java)
            startActivity(intent)
            finish()
        }

        val recyclerView = findViewById<RecyclerView>(R.id.recyclerview)
        var layoutManager = LinearLayoutManager(this)
        recyclerview.layoutManager = layoutManager

        var userInfo_data_count = UserInfoTableManager(this).get_UserInfo_Data_Count()
        if (userInfo_data_count == 0 ){
            Toast.makeText(applicationContext,"No Data Available", Toast.LENGTH_SHORT).show()
        } else {
            userInfo_List = UserInfoTableManager(this).get_UserInfo_Data()
            val adapter = UserInfoAdapter(userInfo_List)
            recyclerView.adapter = adapter
        }

// RecyclerView onClick & onLongClick
        recyclerView.addOnItemTouchListener(RecyclerTouchListener(applicationContext, recyclerView, object : RecyclerTouchListener.ClickListener {
            override fun onClick(view: View?, position: Int) {
                val recyle_sel: UserInfoModel = userInfo_List.get(position)
                val intent = Intent(applicationContext, UpdateDeleteInfoActivity::class.java)
                val str_key_id = recyle_sel.key_id.toInt().toString()
                intent.putExtra("intent_key_id", str_key_id)
                intent.putExtra("intent_first_name", recyle_sel.first_name)
                intent.putExtra("intent_last_name", recyle_sel.last_name)
                intent.putExtra("intent_gender", recyle_sel.gender)
                intent.putExtra("intent_email", recyle_sel.email)
                intent.putExtra("intent_address", recyle_sel.address)
                startActivity(intent)
                finish()
            }

            override fun onLongClick(view: View?, position: Int) {
                val recyle_sel: UserInfoModel = userInfo_List.get(position)
            }
        }))
    }
}
Step 11:
Create new Empty Activity:- AddInfoActivity
AddInfoActivity.kt
Add following code into AddInfoActivity.kt
package com.kotlinkatta.sqlitedatabase

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import android.widget.Toast
import com.kotlinkatta.sqlitedatabase.database.UserInfoTableManager
import com.kotlinkatta.sqlitedatabase.model.UserInfoModel
import kotlinx.android.synthetic.main.activity_add_info.*

class AddInfoActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_add_info)

        val btn_submit= findViewById<Button>(R.id.btn_submit)
        btn_submit.setOnClickListener {
            var str_first_name = et_first_name.text.toString()
            var str_last_name = et_last_name.text.toString()
            var str_gender = et_gender.text.toString()
            var str_email_id = et_email_id.text.toString()
            var str_address = et_address.text.toString()

            if(str_first_name!!.equals("") || str_last_name!!.equals("") || str_gender!!.equals("") || str_email_id!!.equals("") || str_address!!.equals("")){
                Toast.makeText(applicationContext,"Enter All Fields.",Toast.LENGTH_SHORT).show()
            }else{
                UserInfoTableManager(applicationContext).insert_UserInfo_Data(UserInfoModel(0, str_first_name, str_last_name, str_gender,str_email_id,str_address))
                Toast.makeText(applicationContext,"Info Added Successfully. ",Toast.LENGTH_SHORT).show()
                func_finish()
            }
        }
    }

    private fun func_finish() {
        val intent = Intent(this, MainActivity::class.java)
        startActivity(intent)
        finish()
    }

    override fun onBackPressed() {
        func_finish()
    }
}
Step 12:
activity_add_info.xml
Add following code into activity_add_info.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".AddInfoActivity">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Add Info"
        android:textSize="30dp"
        android:gravity="center"
        android:textColor="#000000"
        android:fontFamily="sans-serif-black"/>

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="First Name"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_first_name"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Last Name"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_last_name"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Gender"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_gender"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Email Id"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_email_id"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Address"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_address"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <Button
                android:id="@+id/btn_submit"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="Submit"
                android:background="@color/colorAccent"
                android:layout_margin="10dp"
                android:textSize="20dp"/>
        </LinearLayout>
    </ScrollView>
</LinearLayout>
Step 13:
Create new Empty Activity:- UpdateDeleteInfoActivity
UpdateDeleteInfoActivity.kt
Add following code into UpdateDeleteInfoActivity.kt
package com.kotlinkatta.sqlitedatabase

import android.app.AlertDialog
import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import android.widget.Toast
import com.kotlinkatta.sqlitedatabase.database.UserInfoTableManager
import kotlinx.android.synthetic.main.activity_update_delete_info.*

class UpdateDeleteInfoActivity : AppCompatActivity() {
    var intent_key_id = ""
    var intent_first_name = ""
    var intent_last_name = ""
    var intent_gender = ""
    var intent_email = ""
    var intent_address = ""

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_update_delete_info)

        val i = intent
        val bd = i.extras
        if (bd != null) {
            intent_key_id = bd.getString("intent_key_id")!!
            intent_first_name = bd.getString("intent_first_name")!!
            intent_last_name = bd.getString("intent_last_name")!!
            intent_gender = bd.getString("intent_gender")!!
            intent_email = bd.getString("intent_email")!!
            intent_address = bd.getString("intent_address")!!
        }

        et_first_name_ud.setText(intent_first_name)
        et_last_name_ud.setText(intent_last_name)
        et_gender_ud.setText(intent_gender)
        et_email_id_ud.setText(intent_email)
        et_address_ud.setText(intent_address)

        val btn_update= findViewById<Button>(R.id.btn_update)
        btn_update.setOnClickListener {
            var str_first_name = et_first_name_ud.text.toString()
            var str_last_name = et_last_name_ud.text.toString()
            var str_gender = et_gender_ud.text.toString()
            var str_email_id = et_email_id_ud.text.toString()
            var str_address = et_address_ud.text.toString()

            if(str_first_name!!.equals("") || str_last_name!!.equals("") || str_gender!!.equals("") || str_email_id!!.equals("") || str_address!!.equals("")){
                Toast.makeText(applicationContext,"Enter All Fields",Toast.LENGTH_SHORT).show()
            }else{
                UserInfoTableManager(applicationContext).update_UserInfo_Data(intent_key_id, str_first_name, str_last_name, str_gender,str_email_id,str_address)
                Toast.makeText(applicationContext,"Info Updated Successfully. ",Toast.LENGTH_SHORT).show()
                func_finish()
            }
        }

        val btn_delete= findViewById<Button>(R.id.btn_delete)
        btn_delete.setOnClickListener {
            val builder = AlertDialog.Builder(this)
            builder.setMessage("Are you sure you want to Delete Info?")
            builder.setIcon(android.R.drawable.ic_dialog_alert)
            builder.setPositiveButton("Yes"){dialogInterface, which ->
                UserInfoTableManager(applicationContext).delete_UserInfo_Data(intent_key_id)
                Toast.makeText(applicationContext,"Info Deleted Successfully. ",Toast.LENGTH_SHORT).show()
                func_finish()
            }
            builder.setNegativeButton("No"){dialogInterface, which -> }
            val alertDialog: AlertDialog = builder.create()
            alertDialog.setCancelable(false)
            alertDialog.show()
        }
    }

    private fun func_finish() {
        val intent = Intent(this, MainActivity::class.java)
        startActivity(intent)
        finish()
    }

    override fun onBackPressed() {
        func_finish()
    }
}
Step 14:
activity_update_delete_info.xml
Add following code into activity_update_delete_info.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".UpdateDeleteInfoActivity">

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Update Delete Info"
        android:textSize="30dp"
        android:gravity="center"
        android:textColor="#000000"
        android:fontFamily="sans-serif-black"/>

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical">

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="First Name"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_first_name_ud"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Last Name"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_last_name_ud"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Gender"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_gender_ud"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Email Id"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_email_id_ud"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <com.google.android.material.textfield.TextInputLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Address"
                android:layout_marginTop="16dp">
                <com.google.android.material.textfield.TextInputEditText
                    android:inputType="none"
                    android:id="@+id/et_address_ud"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"/>
            </com.google.android.material.textfield.TextInputLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal">

                <Button
                    android:layout_margin="5dp"
                    android:layout_weight="1"
                    android:id="@+id/btn_update"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="Update"
                    android:textSize="20dp"
                    android:background="@color/colorAccent"/>

                <Button
                    android:layout_margin="5dp"
                    android:layout_weight="1"
                    android:id="@+id/btn_delete"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="Delete"
                    android:textSize="20dp"
                    android:background="@color/colorAccent"/>

            </LinearLayout>
        </LinearLayout>
    </ScrollView>
</LinearLayout>
Output :



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