Android Tasks and Activity backstack!

The Android system keeps linear navigations of the history of the activities traversed called backstack. Using the BACK key, user can get to the previous activities in the order they get into the stack. The BACK key limits to show the activities further than the last visit to the HOME. Adding an activity to the [...]

UI for a Mobile App – thoughts?

So, Tringers … like always let me throw out some questions at you all. This time it is about UI. The questions are: What is a good user interface for a mobile phone (lets say smart phones) and why? How would you define an expressive User Interface? Let me share the UI mockups of one [...]

Android Activity Lifecycle

Food for thought. So the question is how is Android Activity Lifecycle important in establishing performance of an Android application. One thing is for certain: If you are mindful of Activity Lifecyle it will definitely affect the performance. How?

Android App! Designing for good Performance and Response Times.

Android is a relatively new platform with less empirical data on operational metrics. Android team has released some numbers on cost of various types of operations (Can we call them Droid Ops or DRops?). We will take these numbers, combine them with some suggested do(s) and don’t(s) to compile a list of design practices for [...]

Android basics for Noobies!

The other day I was sitting with a friend and he asked me a simple question: So what happens when I write a Java (like) app on Android? I thought the best place to answer the question is on the blog under Android tech tips. Tringers already know how it all comes together but still [...]

Google Maps and Android

Location Awareness is a crucial capability for Smartphones these days. Once you are able to get the Longitude and Latitude information using your in-device GPS receiver, the next step is to convert that into map based coordinates and finally show the maps based on that location. Google provides you access to their Maps through a [...]