One or more modules of the same or different types are present in an Android Studio project with resource files and source code files. Again in October 2008, the first Android mobile was publicly released. Later, on November 12, 2007, the software development kit (SDK) was released.

On November 5, 2007, Google released the beta version of Android OS.

started the development of the Android operating system. Build-in supports for Google Cloud Platform, which makes it easy to integrate Google Cloud Messaging and App Engine.Extensive testing tools and frameworks.Changes can be applied to the resource code of the running app without restarting the app.A consolidated environment to develop apps for all Android devices.Fast and feature-rich emulator for app testing.myBluetooth = BluetoothAdapter.getDefaultAdapter() if(myBluetooth = null) private void turnOffLed()ītSocket.getOutputStream().write('TF'.toString().getBytes()) ītSocket.getOutputStream().write('TO'.toString(). Writing a stable code avoids weird erros, so it’s good to check if the device has bluetooth adapter and whether it’s activated. Import import import import import import import import import Ĭreate variables to control bluetooth: private BluetoothAdapter myBluetooth = null private Set pairedDevices btnPaired = (Button)findViewById(R.id.button) devicelist = (ListView)findViewById(R.id.listView) Import the followings packages: import Ĭreate widgets variables to “call” the widgets used to create the layout: Button btnPaired ListView devicelist Java folder contains the package of the apk (), and all the source code. On the left side there’s a folder called “app “, open it and you’ll see other folder called “java”.

Android studio app