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Once the file is created, Android Studio will show an alert message that “Kotlin is not configured”. If there is a requirement to reuse a piece of Java code by writing it in Kotlin, one can follow the below-mentioned steps.Ĭreate a new Class/File of Kotlin extension inside the java folder of the application’s project file. Method 2: Adding a Separate Kotlin File into the ProjectĪndroid Studio allows the mixing of Java and Kotlin code in a project. Below is the equivalent Kotlin code produced on converting the above mentioned MainActivity.java file. This time the required conversion will happen and the file extension will get changed from. After clicking “OK”, Android Studio will make some changes in the app module adle file to perform code conversion successfully.Īgain select the “Convert Java File to Kotlin File” option by right click on the java class/file. Further, select the “All modules” option and choose the latest Kotlin compiler installed on the computer. To carry out the code conversion it is necessary to grant this permission. One can also use the shortcut command “Ctrl+Alt+Shift+K” while the file is opened in Android Studio.Ī dialog box will appear that asks permission to configure Kotlin in Project. Select the option “Convert Java File to Kotlin File”. Broadcast Receiver in Android With Exampleįrom the left-hand side Option menu, select Android Project and right-click on the source code file.How to Send Data From One Activity to Second Activity in Android?.How to Change the Background Color of Button in Android using ColorStateList?.MVVM (Model View ViewModel) Architecture Pattern in Android.Kotlin | Lambdas Expressions and Anonymous Functions.

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