[DEPRECATED] Android Library that implements Snackbars from Google's Material Design documentation.
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README.md

DEPRECATED

This lib is deprecated in favor of Google's Design Support Library which includes a Snackbar and is no longer being developed.

Thanks for all your support!

Snackbar

Build Status Maven Central Android Arsenal Android Weekly

Library that implements Snackbars from Google's Material Design documentation. Works on API levels >= 8

Get it on Google Play

Example App Example App Example App Example App Example App

Installation

You can import the library from source as a module or grab via Gradle:

 compile 'com.nispok:snackbar:2.11.+'

Usage

Using the Snackbar class is easy, this is how you would display it on an Activity:

Snackbar.with(getApplicationContext()) // context
    .text("Single-line snackbar") // text to display
    .show(this); // activity where it is displayed

However, I recommend you use the SnackbarManager to handle the Snackbars queue:

// Dismisses the Snackbar being shown, if any, and displays the new one
SnackbarManager.show(
    Snackbar.with(myActivity)
    .text("Single-line snackbar"));

If you are using getApplicationContext() as the Context to create the Snackbar then you must specify the target Activity when calling the SnackbarManager:

// Dismisses the Snackbar being shown, if any, and displays the new one
SnackbarManager.show(
    Snackbar.with(getApplicationContext())
    .text("Single-line snackbar"), myActivity);

You can place the Snackbar at the bottom of a particular hierarchy of views. The sample app makes use of this; check out SnackbarImmersiveModeSampleActivity:

SnackbarManager.show(Snackbar snackbar, ViewGroup parent) { }
SnackbarManager.show(Snackbar snackbar, ViewGroup parent, boolean usePhoneLayout) { }

If you want an action button to be displayed, just assign a label and an ActionClickListener:

SnackbarManager.show(
    Snackbar.with(getApplicationContext()) // context
        .text("Item deleted") // text to display
        .actionLabel("Undo") // action button label
        .actionListener(new ActionClickListener() {
            @Override
            public void onActionClicked(Snackbar snackbar) {
                Log.d(TAG, "Undoing something");
            }
        }) // action button's ActionClickListener
     , this); // activity where it is displayed

If you need to know when the Snackbar is shown or dismissed, assign a EventListener to it. This is useful if you need to move other objects while the Snackbar is displayed. For instance, you can move a Floating Action Button up while the Snackbar is on screen. Note that if you only need to override a subset of the interface methods you can extend from EventListenerAdapter:

SnackbarManager.show(
    Snackbar.with(getApplicationContext()) // context
        .text("This will do something when dismissed") // text to display
        .eventListener(new EventListener() {
            @Override
            public void onShow(Snackbar snackbar) {
                myFloatingActionButton.moveUp(snackbar.getHeight());
            }
            @Override
            public void onShowByReplace(Snackbar snackbar) {
                Log.i(TAG, String.format("Snackbar will show by replace. Width: %d Height: %d Offset: %d",
                                        snackbar.getWidth(), snackbar.getHeight(),
                                        snackbar.getOffset()));
            }
            @Override
            public void onShown(Snackbar snackbar) {
                Log.i(TAG, String.format("Snackbar shown. Width: %d Height: %d Offset: %d",
                        snackbar.getWidth(), snackbar.getHeight(),
                        snackbar.getOffset()));
            }
            @Override
            public void onDismiss(Snackbar snackbar) {
                myFloatingActionButton.moveDown(snackbar.getHeight());
            }
            @Override
            public void onDismissByReplace(Snackbar snackbar) {
                Log.i(TAG, String.format(
                                "Snackbar will dismiss by replace. Width: %d Height: %d Offset: %d",
                                snackbar.getWidth(), snackbar.getHeight(),
                                snackbar.getOffset()));
            }
            @Override
            public void onDismissed(Snackbar snackbar) {
                Log.i(TAG, String.format("Snackbar dismissed. Width: %d Height: %d Offset: %d",
                                    snackbar.getWidth(), snackbar.getHeight(),
                                    snackbar.getOffset()));
            }
        }) // Snackbar's EventListener
    , this); // activity where it is displayed

There are two Snackbar types: single-line (default) and multi-line (2 lines max. Note this only applies for phones; tablets are always single-line). You can also set the duration of the Snackbar similar to a Toast.

The lengths of a Snackbar duration are:

  • LENGTH_SHORT: 2s
  • LENGTH_LONG: 3.5s (default)
  • LENGTH_INDEFINTE: Indefinite; ideal for persistent errors

You could also set a custom duration.

Animation disabling is also possible.

SnackbarManager.show(
    Snackbar.with(getApplicationContext()) // context
        .type(Snackbar.SnackbarType.MULTI_LINE) // Set is as a multi-line snackbar
        .text("This is a multi-line snackbar. Keep in mind that snackbars are " +
            "meant for VERY short messages") // text to be displayed
        .duration(Snackbar.SnackbarDuration.LENGTH_SHORT) // make it shorter
        .animation(false) // don't animate it
    , this); // where it is displayed

You can also change the Snackbar's colors and fonts.

SnackbarManager.show(
    Snackbar.with(getApplicationContext()) // context
        .text("Different colors this time") // text to be displayed
        .textColor(Color.GREEN) // change the text color
        .textTypeface(myTypeface) // change the text font
        .color(Color.BLUE) // change the background color
        .actionLabel("Action") // action button label
        .actionColor(Color.RED) // action button label color
        .actionLabelTypeface(myTypeface) // change the action button font
        .actionListener(new ActionClickListener() {
            @Override
            public void onActionClicked(Snackbar snackbar) {
                Log.d(TAG, "Doing something");
            }
         }) // action button's ActionClickListener
    , this); // activity where it is displayed

Finally, you can attach the Snackbar to a AbsListView (ListView, GridView) or a RecyclerView.

SnackbarManager.show(
    Snackbar.with(getApplicationContext()) // context
        .type(Snackbar.SnackbarType.MULTI_LINE) // Set is as a multi-line snackbar
        .text(R.string.message) // text to be displayed
        .duration(Snackbar.SnackbarDuration.LENGTH_LONG)
        .animation(false) // don't animate it
        .attachToAbsListView(listView) // Attach to ListView - attachToRecyclerView() is for RecyclerViews
        , this); // where it is displayed

It uses Roman Nurik's SwipeToDismiss sample code to implement the swipe-to-dismiss functionality. This is enabled by default. You can disable this if you don't want this functionality:

NOTE: This has no effect on apps running on APIs < 11; swiping will always be disabled in those cases

SnackbarManager.show(
    Snackbar.with(SnackbarSampleActivity.this) // context
        .text("Can't swipe this") // text to be displayed
        .swipeToDismiss(false) // disable swipe-to-dismiss functionality
    , this); // activity where it is displayed

Examples

There's a sample app included in the project. SnackbarSampleActivity is where you want to start.

Apps Using Snackbar

Contributing

If you would like to add features or report any bugs, open a PR or refer to the issues section.

Contributors

Thanks to all contributors!

License

MIT

ChangeLog

Go to the releases section for a brief description of each release.