Android Multi Window is the most awaited functionality of android Nougat. Here we will create a multi-window demo application. For testing of Multi Window Application, you must have a device or emulator running android nougat (Android API Level 24 or above ). You can watch the demo of Application here. We will create three Activity here MainActivity FirstActivity SecondActivity Main Activity is the Main part of the application, which contains two Button for launching the other two Activity in multi window mode. Here We Go:- Create a Project with the name of MultiWindowExample with default empty Activity, Once project will be get created with default main activity you have to create the two more activity with the name of FirstActivity.java and SecondActivity.java . The main part of making the application to work in multi window mode is the modify the AndroidMainfest.xml files of your project. So open the AndoridMainfest.xml file and do the following modification inside Appli...