Android Loading Button

Two simple buttons with loading states and animations for Android.

Features

• Easy to install and use.
• Nice defaults
• Easy to customize
• Auto disables button when set to loading
• Auto selects disabled color
• Two default layouts and animations to choose from

Installation

Install via gradle by adding the following dependency

compile 'com.github.92tonywills:android-loading-button:0.1.0'

Usage

Include a button in your xml layout

<!-- or com.github.tonywills.loadingbutton.HorizontalLoadingButton -->
<com.github.tonywills.loadingbutton.LoadingButton
    android:id="@+id/loading_button"
    android:layout_width="240dp"
    android:layout_height="120dp"
    <!-- Customization options -->
    style="@style/Widget.AppCompat.Button.Colored" />

The style attribute it not nessessary, but will make the button display like a default android button. On post Lollipop devices, this means it will appear with the Material ripple and elevation changes. The button tints itself correctly with this style.

Customisation

The following attributes are available for you to customize the look of the button

• buttonBackgroundTint: a colour resource
  • The normal colour of the button. A lighter version of this colour will be used for the disabled loadingButtonState when the button is loading.
• loadingColor: a colour resource
  • The colour of the progress indicator, on material supporting devices, this will be the pretty Android spinner
• buttonText: a string resource
  • The text to show

The HorizontalLoadingButton has all the previous attributes plus

• buttonTextDefault: a string resource
  • replaces buttonText
  • is the text to show when the view is not loading
• buttonTextLoading: a string resource
  • The text to show when the button is loading
• loadingPosition: either left or right
  • Which side to place the spinner

A fully customized button could look like this

<com.github.tonywills.loadingbutton.LoadingButton
    android:id="@+id/loading_button"
    android:layout_width="240dp"
    android:layout_height="120dp"
    app:buttonBackgroundTint="@color/primaryColor"
    app:loadingColor="@color/secondaryColor"
    app:buttonText="Go"
    style="@style/Widget.AppCompat.Button.Colored" />

Be sure to inculde xmlns:app="http://schemas.android.com/apk/res-auto" at the top of your file to access the custom attributes.

Animations

The button includes a default animation to move the text out and the spinner in. To customise this animation, subclass the button and override the animateToState method. See the library source to see an example animation.

Two Variants

The only difference in the two variants (LoadingButton and HorizontalLoadingButton) is the layout. This means the animations are different, too. Check out the example app to see them in action.

Example App

Take a look at the example app to see how to use the button.