<p dir="ltr"><a href="https://android.googlesource.com/platform/frameworks/base/+/8fba7e6931245a17215e0e740e78b45f6b66d590">https://android.googlesource.com/platform/frameworks/base/+/8fba7e6931245a17215e0e740e78b45f6b66d590</a> is interesting.</p>
<p dir="ltr">Via <a href="http://sites.utexas.edu/iso/2015/09/15/android-5-lockscreen-bypass/">http://sites.utexas.edu/iso/2015/09/15/android-5-lockscreen-bypass/</a></p>