By setting android:baselineAligned=”false” , you’re preventing the extra work your app’s layout has to do in order to Align its children’s baselines; which can obviously increase the performance. (Fewer unnecessary operations on UI => Better performance)
For this lint warning, as for all other lint warnings, note that you can get a fuller explanation than just what is in the one line error message; you don’t have to search the web for more info. If you are using lint via Eclipse, either open the lint warnings view, where you can select … Read more
If IncomingHandler class is not static, it will have a reference to your Service object. Handler objects for the same thread all share a common Looper object, which they post messages to and read from. As messages contain target Handler, as long as there are messages with target handler in the message queue, the handler … Read more