Monitor Screen Touch Event in Android

Date Category Android

In one of my projects I need to track every screen touch event in background. That is, my app needs to be "invisible" while capturing every screen touch. Here is how I achieved this.

more ...


Replicate Gem Installation

I use Octopress to manage my blogs, which rely on correct ruby gem version to work. Although Octopress use Bundler to manage the gem dependencies, sometimes a simple bundle install does not work out of box. Since everything works fine on one of my machines, I decided to replicate the exact ruby/gem setup of that machine.

more ...


Regular Expression Support in Android Logcat Tag Filters

For a while I've been using logcat command line tools to check Android logs. Usually, the tags of my app consist of a common prefix and the name of different sub-components (I guess that's also what most apps do). And I have about a dozen of such tags. logcat, however, does not support filtering tags using regular expressions, which is a pain! After suffering for a long time, I finally decide to tackle this.

more ...

Get Packet Signal Strength of RTL8187 Dongle

In one of my research projects, I used Android PCAP Capture with ALFA RTL8187L dongles to capture Wi-Fi packets on Android phones. One problem I encountered was that per packet RSSI is missing. After poking around the source code for couple of days, I finally figured out how to get this information. In short, the per packet RSSI information IS indeed reported by the hardware, yet the current Android PCAP app doesn't collect it.

more ...