Method profiling

The method profiling tool is used to measure the performance of the methods of a selected process. With this tool, you can access the number of calls of a method and the CPU time spent on their execution. There are two types of values available, the exclusive time and the inclusive time:

• Exclusive time: This refers to the time spent in the execution of the method itself.
• Inclusive time: This refers to the total time spent in the execution of the method, which includes both the time spent by the method as well as the time spent by any other method called inside the method.

To illustrate the working of this tool, we are going to run the following example. Create a new basic project with a main layout and a main activity in Android Studio. You can also reuse the project created in the previous section. Add a button to the main layout, for example, Start Method Hierarchy. Create a new method that is to be executed when the button is clicked and add the following code in the method...