This presentation on Android Security Underpinnings explores how the Android security system is put together. We'll look at the following topics: Security Architecture: overview of how Android security is put together Application Signing: understanding signing and verification, multi-vendor signing, platform keys User IDs: mapping from Android users to Linux UIDs, user ID management File Access: o

This is my talk from the Android Builders Summit in February 2013 in San Francisco. Slides of the talk (press 'h' for help) Here's the abstract of the talk: Android Security is quite multifaceted - not surprisingly given the depth and complexity of the Android OS. In this talk, you will learn what makes up the various layers of security and how they work together. By the end of this talk, you’ll h

For those of you who missed my presentation on Binder at AnDevCon IV, you may want to check the repeat of my talk on Android IPC at Android Builders Summit 2013. I updated my slides a bit, and this time around my delivery is a bit more condensed. Deep Dive into Android IPC/Binder Framework - slides Deep Dive into Android IPC/Binder Framework - screencast (to follow) Here is the abstract: Inter Pro

Posted on Dec 5, 2012 (10 weeks ago). Seen 1,092 times. 3 comments. Inter Process Communication (IPC) has been a part of Android since 1.0, and yet most of us take it for granted. Intents, content providers, and system service managers hide the IPC infrastructure provided by Binder, but without it, the Android OS and our apps would simply fall apart. Binder/IPC is the glue that holds it all togeth

Feb. 22, 2012, Symantec Corp, State of Mobility Survey: "a global tipping point in mobility adoption. … 71 percent of enterprises at least discussing deploying custom mobile applications and one-third currently implementing or have already implemented custom mobile applications." ibid: "Despite this adoption, almost half (48 percent) of survey respondents mentioned that mobility is somewhat to ext

Posted on Dec 5, 2012 (5 hours ago). Seen 73 times. No comments. Inter Process Communication (IPC) has been a part of Android since 1.0, and yet most of us take it for granted. Intents, content providers, and system service managers hide the IPC infrastructure provided by Binder, but without it, the Android OS and our apps would simply fall apart. Binder/IPC is the glue that holds it all together.

Developer of Android Bootcamp for Marakana. Instructor for 1,000s of developers on Android at Qualcomm, Cisco, Motorola, Intel, DoD and other great orgs. Author of Learning Android published by O’Reilly. Speaker at OSCON (4x), ACM, IEEE(2x), SDC(2x), AnDevCon(3x), DroidCon. Co-Founder of SFAndroid.org Co-Chair of Android Open conference: Android Open Android is put together of about equal part Jav

Reach beyond the lens with Balwinder Kaur and Joe Rickson of Aptina Imaging as they break down Android's camera stack for the SF Anroid User Group, including what's new and changed in Android Jellybean Ms. Kaur goes over camera APIs and their functions inside Android, and is followed up by Mr. Rickson who breaks down the hardware application layers beneath it all. Dig as deep in to the Android cam

Just when I thought that the world had finally accepted "pure" Java, along came Android, with its nifty Dalvik VM and a lot of dependencies on JNI, adding native code back into the mix. For those that don't know, Java Native Interface (JNI) enables code written in Java to access (bind to) code written in C/C++ (and vice-versa) thereby allowing developers to gain access to low-level OS APIs, reuse

Posted on Apr 13, 2012 (18 weeks ago). Seen 10 times. No comments.

In this session from AppForum 2012, we explore best practices for debugging, troubleshooting, and testing your Android applications.