android-5.0-lollipop

In recent android L apps ( lets say google i/o 2014 app) with material theme we have seen that if there is image view at top (followed by any kind of list), then to begin with the actionbar is transparent, then as the user scrolls down the actionbar gradually becomes solid color. 2 questions: 1. does this phenomenon have some name, if yes what is it? 2. how do i code to achieve this in an app for android L or is it default take a look here : https://github.com/ManuelPeinado/FadingActionBar second question : based on my researching until now, we have to implement it by code. it's called Fading

Question is related to Work Profile in " Android for work " . I have written a sample app that creates a managed work profile and sets itself as the profile owner . I will need to push some enterprise applications through the profile owner . So when i try to install , it says "Install blocked" , Cannot install from unknown sources . If i toggle the button ( Setting->security->Unknown Source ) on and off , settings are not getting reflected in the work profile. Is there a way to install the apps in work profile from unknown sources ? Perhaps it could be resolved with future updates, but as of

I am trying to get running activity name (Foreground activity name) from package name as you all know that we can get currently running activity name via this line mActivityManager.getRunningTasks(1).get(0).topActivity.getClassName() but this work only bellow android 5.0 i need same thing in above 5.0 i am able to get current package name but not activity security is enhanced from android Lollipop; see this article for more details: getAppTask You could get foreground activities via UsageStats class; first, you have to add this permission in your manifest: <uses-permission android:name=

Jumping straight to the topic, Android L introduces a ART as default runtime. I have a Sample Application, basically a document viewer. Most of the document viewing code including back buttons, Search,etc are written in C and the Android App uses JNI interface. I updated my code to make it build for Android L and it seems to open the document just fine. However, when pressing back button and closing the document, the Application seem to crash and the following backtrace is seen: I/DEBUG ( 1390): Abort message: 'art/runtime/check_jni.cc:65] JNI DETECTED ERROR IN APPLICATION: JNI CallIntMethodV

I need to get info about recent apps usage. Before API 21 it was used getRunningTasks or getRecentTasks to get this info. These methods were deprecated in API 21 according docs. There is UsageStatsManager class now, introduced in API level 21. But! Context.getSystemService(UsageStatsService) was added only in API level 22! The question is - how to get needed data in API 21 ?? According dashboards , there is 13% of users at this API level, I don't wanna lose them. Well Context#getSystemService(...) was introduced in API level 1 but Contexts' USAGE_STATS_SERVICE String was introduced in API