Loading Btn

Create animated loading button using loading_btn package with lots of properties.

Getting started

Loading Btn package helps you create beautiful loading animation in your buttons with customized loader. Loading Btn is basically an ElevatedButton widget that means you can use the usual parameters with a few extra functionalities.

Demo

Usage

Loading Button with CircularProgress widget

LoadingBtn(
    height: 50,
    borderRadius: 8,
    animate: true,
    color: Colors.green,
    width: MediaQuery.of(context).size.width * 0.45,
    loader: Container(
        padding: const EdgeInsets.all(10),
        width: 40,
        height: 40,
        child: const CircularProgressIndicator(
            valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
        ),
    ),
    child: const Text("Login"),
    onTap: (startLoading, stopLoading, btnState) async {
        if (btnState == ButtonState.idle) {
            startLoading();
            // call your network api
            await Future.delayed(const Duration(seconds: 5));
            stopLoading();
        }
    },
),

Loading Button with custom Text

LoadingBtn(
    height: 50,
    borderRadius: 8,
    roundLoadingShape: false,
    color: Colors.blueAccent,
    width: MediaQuery.of(context).size.width * 0.45,
    minWidth: MediaQuery.of(context).size.width * 0.30,
    loader: const Text("Loading..."),
    child: const Text("Login"),
    onTap: (startLoading, stopLoading, btnState) async {
        if (btnState == ButtonState.idle) {
            startLoading();
            // call your network api
            await Future.delayed(const Duration(seconds: 5));
            stopLoading();
        }
    },
),

Loading Button with custom loading

LoadingBtn(
    height: 50,
    borderRadius: 8,
    animate: true,
    color: Colors.deepOrange,
    width: MediaQuery.of(context).size.width * 0.45,
    loader: Container(
      padding: const EdgeInsets.all(10),
      child: const Center(
          child: SpinKitDoubleBounce(
            color: Colors.white,
          ),
      ),
    ),
    child: const Text("Login"),
    onTap: (startLoading, stopLoading, btnState) async {
        if (btnState == ButtonState.idle) {
            startLoading();
            // call your network api
            await Future.delayed(const Duration(seconds: 5));
            stopLoading();
        }
    },
),

Properties

  • animate(Default false) : It uses width to animate while click on button
  • roundLoadingShape(Default true) : It uses borderRadius to creates a round button while in Busy/Loading state
  • width : Width of the button when in Idle state
  • minWidth : Width of the button when in Busy/Loading state. Default value is equal to height in order to create a completely round loading button
  • borderRadius : Border Radius of the button
  • borderSide : BorderSide in order to give border color and width to the button
  • child : Contents of button when in Idle state
  • loader : Contents of button when in Busy/Loading state
  • onTap : (startLoading, stopLoading, btnState) : Function that is called when you click on the button
  • duration : Duration of the animation
  • curve : Curve of animation
  • reverseCurve : Curve of reverse animation

Libraries

loading_btn