How to optimize your android app's performance

Wed, 04/14/2010 - 08:20 | by bence

SDK Version:

So here's how you can optimize, analyze your current application using TraceView.
Open your Project, and after onCreate(), or anywhere you want to start Log tracing, paste the following lines:

/* start tracing to "/sdcard/filename.trace&quot; */
Debug.startMethodTracing("filename");

It is very important to stop tracing after you have done debugging. To do that, place these lines before onCreate().

public void onDestroy() {
        // stop tracing
        Debug.stopMethodTracing();
    }

Now run your Project, do anything you'd like to optimize, and quit. Open up DDMS File Explorer, and download /sdcard/filename.trace to your hard disk drive.

Go to your Android SDK folder, open Tools directory, and run ./traceview filename.trace

Here's how it looks like:

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