fullscreen 1.0.3

This is a flutter plugin that makes it easy to enable fullscreen in flutter application. The implements the three fullscreen modes of the android platform.

[1.0.3] Monday, 6 February, 2021

• Solve possible crushes on android, "An operation is not implemented" #3
• Breaking change, Remove constructor and implement static methods:

    // To enter FullScreenMode.EMERSIVE_STICKY, 
    await FullScreen.enterFullScreen(FullScreenMode.EMERSIVE_STICKY);

    // To exit fullscreen mode
    await FullScreen.exitFullScreen();

• Migrate to null safety

[1.0.2] Monday, 6 February, 2021

• Add iOS support #1

[1.0.1] Monday, 21 September, 2020

• add documentation comments

[1.0.0] Monday, 21 September, 2020

• First version