An implementation of Android's Undo Bar as seen in Google's Gmail app.

Jens Driller

Last update: Jan 7, 2023

Related tags

App Android-UndoBar

Overview

DEPRECATED

Android-UndoBar is deprecated. No more development will be taking place.

Use Google's Snackbar instead.

Android - UndoBar

As seen in Google's Gmail app.

Simple Builder pattern
Includes three styles (incl. Material Design Snackbar)
Supports API Level >= 8 (using nineoldandroids)
I18N (about ~100 languages)

Screenshots

pre KitKat

KitKat

Lollipop and later

Usage

It's as simple as:

new UndoBar.Builder(this)//
  .setMessage("X items deleted.")//
  .setListener(this)//
  .show();

You can also explicitly use one of the styles shown above. This is useful, for example, if you want to show a consistent Material Design style across all API levels. By default, it uses the style of the device's current API level. Here's an example:

new UndoBar.Builder(this)//
  .setMessage("X items deleted.")//
  .setListener(this)//
  .setStyle(UndoBar.Style.LOLLIPOP)//
  .show();

Example

Check out the sample project for an example implementation.

Download

Grab it via Gradle:

For API Level >= 15:

compile 'com.github.jenzz.undobar:library:1.3:api15Release@aar'

For API Level < 15 (includes nineoldandroids):

compile 'com.github.jenzz.undobar:library:1.3:api8Release@aar'

Still using Eclipse? Check out the master_eclipse branch and import it as a library project.
Note that the Eclipse implementation is v1.1 only and won't receive any future updates.

License

This project is licensed under the MIT License.

Comments

Added support for undo bar in any Window

This was made for the purpose of supporting Dialogs (which are often in their own Window, separate from an Activity), but it should work for any given situation.

Should solve #7.
enhancement

opened by dlew 8
Weird behaviour when long-pressing undo button.

If the user press the undo button until the dialog is dismissed and then releases it first onHide is called because of the automatic dismiss and then onUndo is called because the user released the button (that no longer exists).
bug

opened by aballano 2
Undo Bar never closed

Hey jenzz thanks for the amazing demo but the undo bar is not hiding automatically or manually its just stick on my screen. onHide and onUndo functions are triggered but undo bar sticks on the creen

opened by Hemant0601 1
Notify when the user explicitly hides the UndoBar.

This is very useful for any app using this library on a Listview, example:

Imagine a list of elements. Each element can be deleted. When an element is deleted, a new instance of UndoBar is created with a listener, so in the onHide we will really delete the element (make a request to a WS, DB, etc.)* When another element is deleted, we SHOULD hide the previous UndoBar, create a new one with new params and a new listener.

So the problem here is that if somebody manually hides the UndoBar, the onHide method won't be called, so no action can be performed.

*This is done this way to avoid multiple calls to a WS if the user changes its mind and clicks undo.

opened by aballano 1
Make UndoBar extendable.

It would be ver useful if other devs could extend this class and made some changes to it to extend the functionality or just to adjust it to their needs.
enhancement

opened by aballano 1
UndoBar appears underneath Dialogs

If you try to make an UndoBar appear while a Dialog (or DialogFragment) is present, it will appear in the Activity below the Dialog's window, instead of in the same window as the current Dialog. This results in the UndoBar being unclickable (until the Dialog is dismissed) as well as invisible (if the Dialog is large enough).
bug

opened by dlew 1
Pass the UndoToken to onHide as well

pass the token to the listener onHide as well (not just in onUndo). this is useful for doing stuff that is not actually undoable and should only be executed after the user had his chance to undo. Also included a little fix to avoid a (very very unlikely) race condition.

opened by lroessler 1

Releases(v1.3)

v1.3(Jan 8, 2015)
New Material Design style

Style chooser

I18N (about ~100 languages)

Source code(tar.gz)
Source code(zip)
v1.2(Nov 3, 2014)
UndoBar is now extendable

Support for dialogs

Bugfixes

Sample app

Source code(tar.gz)
Source code(zip)
v1.1(Sep 20, 2014)
GRADLE!

Simple isVisible() helper method

German translation

Source code(tar.gz)
Source code(zip)
v1.0(Apr 25, 2014)

Source code(tar.gz)
Source code(zip)

Owner

Jens Driller

Android Dev @shazam

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