Android Tutorials

How to use the CheckBox using Android Studio & Compose? Learn how to use the Android CheckBox widget to allow users to select multiple options. This tutorial covers the complete implementation using Android Studio, Jetpack Compose, and XML layouts with practical examples like a color selector. >>  Check For Java >>  Check For Kotlin >>  Check For Compose Code: MainActivity.kt package com.technifysoft.myapplication import android.os.Bundle import android.widget.Toast import androidx.activity.ComponentActivity import androidx.activity.compose.setContent import androidx.compose.foundation.layout.Column import androidx.compose.foundation.layout.Row import androidx.compose.foundation.layout.Spacer import androidx.compose.foundation.layout.fillMaxSize import androidx.compose.foundation.layout.fillMaxWidth import androidx.compose.foundation.layout.height import androidx.compose.foundation.layout.padding import androidx.compose.mate...

How to check Network Connection Status In this tutorial, you will learn how to detect the type of internet connection in an Android app using Java. We will check whether the device has  no internet connection , is connected through  Wi-Fi , or is using  Mobile Data . This is a common feature in modern Android applications to improve user experience and handle offline scenarios smoothly. By the end of this guide, you’ll understand how to access the Android network services, detect connection status programmatically, and display meaningful messages to users based on their connectivity state. >>  Check For Java >>  Check For Kotlin >>  Check For Compose Code: AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:tools= "http://schemas.android.com/tools" > <uses-permission android:name= "android.permission.ACCESS_NETWOR...

How to check Network Connection Status In this tutorial, you will learn how to detect the type of internet connection in an Android app using Java. We will check whether the device has  no internet connection , is connected through  Wi-Fi , or is using  Mobile Data . This is a common feature in modern Android applications to improve user experience and handle offline scenarios smoothly. By the end of this guide, you’ll understand how to access the Android network services, detect connection status programmatically, and display meaningful messages to users based on their connectivity state. >>  Check For Java >>  Check For Kotlin >>  Check For Compose Code: AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android= "http://schemas.android.com/apk/res/android" xmlns:tools= "http://schemas.android.com/tools" > <uses-permission android:name= "android.permission.ACCESS_NETWOR...

How to use SharedPreferences using Android Studio with Jetpack Compose SharedPreferences in Android Studio is one of the simplest and most commonly used ways to store small amounts of data on Android devices.  It allows you to save values in the form of  key–value pairs , making it ideal for storing lightweight and persistent data such as user settings, app preferences, login states, theme choices, and more. SharedPreferences supports saving the following data types:  String, int, boolean, long, float, and Set<String> . Because it is lightweight and fast, it is recommended when you need to store a small collection of simple key-value data. Using SharedPreferences, you can easily  add ,  update , and  remove  stored values without needing complex storage solutions like databases. To access SharedPreferences in Android, you can use any of the following APIs depending on your requirement: getPreferences()  – Accesses preferences that belong to ...