Assembling Your Harness
- Key Components <="Click"
- The Linux Kernel <="Click"
- Quick Review <="Click"
- Libraries <="Click"
- The Application Framework <="Click"
- Android Runtime <="Click"
- Applications <="Click"
- Let’s Revise <="Click"
Introduction
On top of the Linux kernel, the Android framework was developed with various features.
These features were pulled from numerous open source projects.
The output of these projects resulted in Android Runtime.
What Is It?
Older versions of Android (4.x and earlier) use Dalvik runtime.
Android runtime (ART) is a managed runtime used by applications and some system services on Android.
ART and its predecessor Dalvik were originally created specifically for the Android project.
ART as runtime executes the Dalvik Executable format and Dex bytecode specification.
What Does It Do?
ART provides several benefits, which include:
- Ahead-Of-Time Compilation, which can improve app performance. ART also has tighter install-time verification than Dalvik
- Improved Garbage Collection to boost apps’ performance by preventing issues like choppy display, poor UI responsiveness, and other problems
- Improved Debugging through more sampling support included in post-KitKat releases
- Improved Diagnostic Detail in exceptions and crash reports. For example, showing information about what the app was trying to do when a certain fault occurs
- Improved Context Information in app native crash reports, by including both Java and native stack information
Does ART help apps run faster?
Select the right answer
Yes
No
- Key Components <="Click"
- The Linux Kernel <="Click"
- Quick Review <="Click"
- Libraries <="Click"
- The Application Framework <="Click"
- Android Runtime <="Click"
- Applications <="Click"
- Let’s Revise <="Click"
Assembling Your Harness
Android Development <="click"