Android Tutorials

How to pick a color from the image on touch using Android Studio and Jetpack Compose? Learn how to create a Color Picker Tool in Android Studio that allows users to pick a color from any image by simply touching it. This tutorial covers step-by-step implementation with Jetpack Compose code, and live preview of RGB and HEX values of the selected color . Perfect for design, drawing, or editing apps! >> Check for Java >> Check for Kotlin >> Check for Jetpack Compose Code Here is the full code to retrieve the color from the image when any part of it is touched. MainActivity.kt package com.technifysoft.myapplication import android.graphics.BitmapFactory import android.graphics.Color import android.os.Bundle import androidx.activity.ComponentActivity import androidx.activity.compose.setContent import androidx.activity.enableEdgeToEdge import androidx.compose.foundation.Image import androidx.compose.foundation.background import androidx.compose.founda...

How to pick a color from the image on touch using Android Studio and Kotlin? Learn how to create a Color Picker Tool in Android Studio that allows users to pick a color from any image by simply touching it. This tutorial covers step-by-step implementation with Kotlin code, XML layout, and live preview of RGB and HEX values of the selected color . Perfect for design, drawing, or editing apps! >> Check for Java >> Check for Kotlin >> Check for Jetpack Compose Code Here is the full code to retrieve the color from the image when any part of it is touched. activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout 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" android:gravity= "center" android:orientation= "vertica...

How to pick a color from the image on touch using Android Studio and Java? Learn how to create a Color Picker Tool in Android Studio that allows users to pick a color from any image by simply touching it. This tutorial covers step-by-step implementation with Java code , XML layout, and live preview of RGB and HEX values of the selected color. Perfect for design, drawing, or editing apps! >> Check for Java >> Check for Kotlin >> Check for Jetpack Compose Code Here is the full code to retrieve the color from the image when any part of it is touched. activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout 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" android:gravity= "center" android:orientation= "vertical...

How to do Biometric Authentication? In this tutorial, we will learn how to use Biometric Authentication e.g. Fingerprint Authentication/Login. There may be some features in your app that needs user authentication. So here is the simplest example of using Biometric Authentication. >>Check For Java Video: Step 1:  Create a new project  OR  Open your existing project Step 2: Code build.gradle Add the biometric library to app-level build.gradle file dependencies { implementation 'androidx.biometric:biometric:1.0.1' } AndroidManifest.xml Add the USE_BIOMETRIC dependency to the AndroidManifest.xml file <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android= "http://schemas.android.com/apk/res/android" package= "com.blogspot.atifsoftwares.biometricauthentication" > <!--Add permission--> <uses-permission android:name= "android.permission.USE_BIOMETRIC" /> <...

How to do Biometric Authentication? In this tutorial, we will learn how to use Biometric Authentication e.g. Fingerprint Authentication/Login. There may be some features in your app that needs user authentication. So here is the simplest example of using Biometric Authentication. >>Check For Kotlin Video: Step 1: Create a new project   OR   Open your project Step 2: Code build.gradle Add the biometric library to app-level build.gradle file dependencies { implementation 'androidx.biometric:biometric:1.0.1' } AndroidManifest.xml Add the USE_BIOMETRIC dependency to the AndroidManifest.xml file <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android= "http://schemas.android.com/apk/res/android" package= "com.blogspot.atifsoftwares.biometricauthentication" > <!--Add permission--> <uses-permission android:name= "android.permission.USE_BIOMETRIC" /> <applica...