Some apps may want to check whether they are trusted to install apps on the device, so they can prompt the user to go to settings and mark them as trusted before they do an intensive operation like downloading an apk. Test: cts-tradefed run cts -m CtsExternalSourcesTestCases Bug: 31002700 Change-Id: Icd9d04daa157e6733decba245ec251ce4acd4122
Layoutlib is a custom version of the android View framework designed to run inside Eclipse. The goal of the library is to provide layout rendering in Eclipse that are very very close to their rendering on devices. None of the com.android.* or android.* classes in layoutlib run on devices.