3 Important Performance tracking tools in an Android Application Development Workflow Here are 3 tools every Android application developer should familiarize themselves with to make their workflow more efficient and solve new problems.Android application developer In the previous article, we had discussed about 4 important tools in the Android application development workflow. Continuing with that, here are 3 more tools every Android application developer should familiarize themselves with to make their workflow more efficient and solve new problems.Android application developer

Traceview tool for Android application performance profiling Traceview is a tool for profiling the performance of your android application. During the Android application development process, you can use it to see how long certain methods take to complete, and how often it is called (good for performance critical interactions like scrolling and activity initializing). Go to the DDMS perspective in Eclipse, select your app’s package inside the Devices view, and click the Start Method Profiling icon (it looks like three dashes with a red circle in the corner): Android application development

The profiling begins, but it’ll look like not much is happening. Test your app by interacting with it to do some performance limited task you’re interested in. Once you’re done, click on the same icon to stop profiling. Traceview should automatically pop up and show your the result of the performance profile of all the methods that executed. The structure and analysis of Traceview is more extensive than can be explained here, check out the tool documentation for more info.tool documentation Not only can you invoke quick assistant in the Java editor, it’s also very useful in the XML editor. This brings us to our second tip.

Managing the memory head with Heap Monitor tool If you’re running out of memory, then if app becomes slower or more unstable over time, then it’s a good idea to what objects are being created and how much space they’re taking up. Again, go to the DDMS perspective in Eclipse. This time, in the Devices view, select your activity and click on the Update Heap icon. Again, it’ll look like nothing is happening but in the background Android tools is keeping track of where memory is being allocated.

In the same perspective, go to the Heap view and click on the Cause GC button, which triggers garbage collection. The heap monitor will update with a chart of how much memory is allocated what types of objects are in the heap. As you play around with the app, objects are will be created and destroyed. The next time you press Cause GC (or when garbage collection happens naturally), the Heap tracker will update with the latest memory analysis. If you notice that your app allocates more and more memory as you open/close/rotate activities, that could mean that you have a memory leak. With a properly behaving app, the amount of memory allocated goes up and down, instead of always up.

Allocation Tracker tool for tracking application memory allocation Tracking of memory allocation is a key concern during any Android application development. Using the Allocation Tracker to see how often memory allocation occurs in your android app. Usually, allocating memory often is not a big deal as long as it gets garbage collected.Android application development Sometimes, however, there are paths in your code where you want to reduce all allocations, big or small. I’m referring mostly to often triggered UI-critical tasks such as scrolling, view binding, and drawing. Since these sorts of methods are invoked on the main thread and are called frequently, even simple allocations such as creating a String may affect performance. If you suspect that might be the cause, take a look at how often allocation occurs, not just how much memory gets used. In the DDMS perspective, go to the Allocation Tracker view and click Start Tracking. Now play with your app in an area where you suspect memory allocations may cause hiccups in your UI. Click Get Allocations and the tool will tell you what type of objects have been allocated while you were using the app

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