• License: Apache License v2.0
• Version: 5.0.1 (September 2nd, 2015)
• Project page: http://haibison.github.io/android-lockpattern/
• Demo: https://play.google.com/store/apps/details?id=group.pals.android.lib.ui.lockpattern.demo
• For developers: Wiki, API documentation.

--

• Requires: Android 2.1+ (API 7+).
• Supported IDE: Android Studio.
• No dependencies.
• Designed for both phones and tablets.
• Stealth mode (invisible pattern).
• Many built-in themes:
  • Dark/Light
  • Light with dark action bar (available from API 7+, but only works from API 14+)
  • Dark/Light dialogs
  • Dark/Light DialogWhenLarge (available from API 7+, but only works from API 11+)
• Ability to generate and let the user verify CAPTCHA pattern.

--

Feel free to contact us at:

• E-mails:
  • haibison.apps[at]gmail.com

In short, you can use this library in your closed source/commercial apps with or without our knowledge. Hope you enjoy it :-)

We sincerely thank all of our friends -- who have been contributing to this project. We hope this project will be always useful for everyone.

• C
• Steven Byle
• Thomas Breitbach
• Yan Cheng Cheok (Project Admin of JStock)
• @Damonzh
• And others.

• Version 5.0.1

  • Release: September 2nd, 2015
  • Declared LockPatternActivity in manifest.

• Version 5.0.0

  • Release: September 2nd, 2015
  • Removed support for Eclipse IDE.
  • Refactored some resource names.
  • Updated helper method LockPatternActivity#call_startActivityForResult().

• Version 4.0.0

  • Release: June 20th, 2015
  • Switch to Gradle based (for Android Studio IDE).
  • Update styles.
  • Refactor some classes, resource names.

• Version 3.2.1 beta (#46)

  • Initialize: January 23rd, 2015

• Version 3.2 (#45)

  • Release: January 19th, 2015
  • Update based code from AOSP Lollipop.
  • Drop support for APIs < 7.
  • Add static helper methods for creating new Intent's and calling startActivityForResult(Intent, int) from an Activity, framework Fragment or support library Fragment.
  • Rename EXTRA_INTENT_ACTIVITY_FORGOT_PATTERN to EXTRA_PENDING_INTENT_FORGOT_PATTERN. Note that its value type is also changed from Intent to PendingIntent.
  • Fix small issues.

• Version 3.1.1 beta (#44)

  • Initialize: April 04, 2014

• Version 3.1 (#43)

  • Release: March 10, 2014
  • Change package name to com.haibison.android.lockpattern.
  • Change prefixes:
    • From alp_ to alp_42447968_.
    • From Alp. to Alp.42447968..
  • Optimize code and make some other minor changes.

• Version 3.0.8 beta

  • Initialize: February 26, 2014

• Version 3.0.7

  • Release: February 21, 2014
  • Fix NullPointerException while loading settings from manifest.

• Version 3.0.6

  • Release: February 19, 2014
  • Add support to directly configure settings via AndroidManifest.xml (tag <meta-data>).

• Version 3.0.6 beta

  • Initialize: February 18, 2014

• Version 3.0.5

  • Release: Feburary 12, 2014
  • Add SimpleWeakEncryption.
  • Update LockPatternView to branch kitkat-release (commit: c46c4a6765196bcabf3ea89771a1f9067b22baad).
  • Update Javadocs, some minor changes...

• Version 3.0.5 beta

  • Initialize: January 12, 2014

• Version 3.0.4

  • Release: January 12, 2014
  • Refactor package prefs to a single class util.Settings.
  • Add LoadingDialog for the case that implementation of IEncrypter takes lots of time to finish.

• Version 3.0.4 beta

  • Initialize: January 11, 2014

• Version 3.0.3

  • Release: December 18, 2013
  • Optimize code.

• Version 3.0.2

  • Release: December 18, 2013
  • Add theme light with dark action bar (for API 14+).

• Version 3.0.1

  • Release: October 10, 2013
  • Use default icon set (from AOSP).

• Version 3.0

  • Release: September 15, 2013
  • Upgrade IEncrypter.

• Version 2.9

  • Release: August 11, 2013
  • Fix dialog themes in API 11.
  • Optimize code.

• Version 2.9 beta

  • Initialize: July 05, 2013

• Version 2.8

  • Release: July 02, 2013
  • Add new extra EXTRA_INTENT_ACTIVITY_FORGOT_PATTERN to help the user recover the pattern if he/ she forgot it.
  • Change char[] IEncrypter.encrypt(Context, char[]) to char[] IEncrypter.encrypt(Context, List<Cell>).
  • Rename EXTRA_OK_PENDING_INTENT, EXTRA_CANCELLED_PENDING_INTENT to EXTRA_PENDING_INTENT_OK and EXTRA_PENDING_INTENT_CANCELLED.
  • Optimize code.
  • Some minor changes...

• Version 2.8 beta

  • Initialize: June 20, 2013

• Version 2.7

  • Release: June 20, 2013
  • Add new action ACTION_VERIFY_CAPTCHA.

• Version 2.7 beta

  • Initialize: May 28, 2013

• Version 2.6

  • Release: May 18, 2013
  • Use UPPER_CASE for static final fields and enums;
  • Move most of dynamic settings to SharedPreferences;
  • Change IEncrypter;

• Version 2.6 beta

  • Initialize: May 15, 2013

• Version 2.5.1

  • Release: April 15, 2013
  • Fix delivering result to ResultReceiver.

• Version 2.5

  • Release: April 15, 2013
  • Upgrade UI;
  • Add options:
    • for setting minimum wired dots in mode creating pattern;
    • for setting maximum tries and determining the number of tries that the user did in mode comparing patterns;
    • thanks to David Myers for his feedbacks;
  • Use fixed size for LockPatternActivity in large screens with dialog themes;
  • Add options for sending result to a PendingIntent and/ or ResultReceiver;
  • Fix minor bugs; optimize code;

• Version 2.5 beta

  • Initialize: March 18, 2013

• Version 2.4

  • Release: March 16, 2013
  • Merge latest code from AOSP;
  • Use action names instead of extra fields for different types of handlers:
    • _ActionCreatePattern
    • _ActionComparePattern
  • Add built-in themes: default dark and dark dialog;
  • Add stealth-mode;
  • New icon set;
  • Optimize code and UI; special thanks to Steven Byle:
    • http://stackoverflow.com/a/15424636/1521536

• Version 2.3

  • Update info: August 28, 2012
  • The serious bug was invalid.

• Version 2.3

  • Release: August 28, 2012
  • Fixed serious bug: key _PaternSha1 is deprecated but is used to return the pattern;
  • Removed all fields/ methods which were deprecated in old versions;

• Version 2.2

  • Release: August 17, 2012
  • added: Spanish language; special thanks to C. - a kind friend who helped us translate the library into his mother language;

• Version 2.1

  • Release: July 29, 2012
  • turn off AutoSave by default;
  • add new method IEncrypter.encrypt(Context, String);
  • set method IEncrypter.encrypt(String) as deprecated;

• Version 2.1 beta

  • Initialization: July 21, 2012

• Version 2

  • Release: July 15, 2012
  • add support for encryption;

• Version 2 beta

  • Initialization: July 12, 2012

• Version 1.5.5

  • Release: June 22, 2012
  • set max width and height for LockPatternView to 400dp for tablet;

• Version 1.5.4

  • Release: June 09, 2012
  • Fix bug: in mode CreatePattern, LockPatternActivity recognized wrong the confirmed pattern;

• Version 1.5.4 beta

  • Initialization: June 07, 2012

• Version 1.5.3

  • Release: June 07, 2012
  • ability to change theme in runtime;
  • save and restore controls' state after screen orientation changed;

• Version 1.5.3 beta

  • Initialization: May 21, 2012
  • make LockPatternView's gravity center;

• Version 1.5.2

  • Release: May 21, 2012
  • in landscape mode, move button Cancel to bottom;

• Version 1.5.1

  • Release: May 21, 2012
  • set LockPatternView's gravity center;

• Version 1.5

  • Release: May 21, 2012
  • due to this bug, so we prefix all resource names with alp_;
  • add layout for landscape mode;
  • update coding style:
    • prefix global fields with m;
    • prefix static final fields with _;

• Version 1.4

  • Release: April 29, 2012
  • change UI;
  • determine and use user's haptic feedback;

• Version 1.2

  • Release: March 09, 2012
  • make sure LockPatternUtils.patternToSha1() returns lower case string;

• Version 1.1

  • Release: March 08, 2012
  • fix security issue about using SharedPreferences;

• Version 1.0

  • Release: March 08, 2012
  • first release;
  • create pattern;
  • compare to existing pattern;