Facing issues with Gradle and Java compatibility in Android Studio? 🚨 In my latest video, I walk you through a common error that many Android developers encounter: "Your build is currently configured to use incompatible Java 21.0.3 and Gradle 8.2.1. Cannot sync the project." I’ll show you how to fix the incompatibility issue by configuring Java 17 for Gradle 8.2.1 , ensuring smooth synchronization for your Android project. 🔧 Step-by-step solution: Identifying the problem Correctly configuring Java 17 for Gradle Syncing your Android project without errors This is an essential fix for any Android developer working with Gradle and Java. If you’re stuck with this error, this tutorial is for you! 📺 Watch the full tutorial here :
The error message: java.lang.NullPointerException: Cannot invoke "String.length()" because "<parameter1>" is null indicates that a null value is being passed to a method that expects a non-null string , and it's trying to call .length() on it. Solution: Update the Supported Java version in Android Studio Android Studio -> Settings -> Build, Execution, Deployment -> Build Tools -> Gradle -> Update Gradle JDK to 17 or Higher
An Activity is an user accessible screen. An activity class loads the all UI widget/component through XML file Every activity must be declared in androidmanifest.xml file which is in your project Activity is a baseline class. Its derived from "android.view.ContextThemeWrapper" AppComptActivity - Its used for defined the material design widget in UI. We are using AppCompatActivity instead of the ActionBarActivity (ActionBarActivity is Deprecated). AppCompatActivity derived from "androidx.fragment.app.FragmentActivity". FragmentActivity - Its used to define the Nested fragment in our activity class. Its inherit from "androidx.activity.ComponentActivity" and ComponentActivity is derived from our Baseline Activity class Dependency for AppCompatActivity: implementation 'androidx.appcompat:appcompat:1.1.0'
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