I found ListView control in Android is very easy to use, that is very good. Even there is a method to set the empty view, it will display it when the list context is empty. You put any view in there. I put a LinearView with a Textview. That is easy!… more »

If you wish to do some actions, such as auto save, when the user go to other app, therefore the user put your app in a sleep mode at the background You must override the onPause() method like below: more »

At first, I upgrade my android studio to 1.3 preview from 0.8.6. I have not upgrade for ages, that is good to have the newest version. I have used their beta version for a while, android studio doesn't sound too bad even the version is still in beta.… more »

After I upgraded my android studio from 0.86 and 1.2. I tried to build my project, I got a lot of errors like appcompat-v7:21.0.0': No resource found that matches the given name: attr: android :xxxx" Actually, that is because appcompat-v7:21.0.0'… more »