startActivity

FlutterActivity

withCachedEngine

"my_engine_id"

backgroundMode

FlutterActivityLaunchConfigs

BackgroundMode

transparent

build

context

);

// Using a new FlutterEngine.

startActivity

FlutterActivity

withNewEngine

()

backgroundMode

FlutterActivityLaunchConfigs

BackgroundMode

transparent

build

this

);

// Using a cached FlutterEngine.

startActivity

FlutterActivity

withCachedEngine

"my_engine_id"

backgroundMode

FlutterActivityLaunchConfigs

BackgroundMode