The SimpleCalc app has two EditText elements and four Button elements. When you enter two numbers and click a Button, the app performs the calculation for that Button and displays the result.
- View logging information in Android Studio by clicking the Logcat tab.
- Run your app in debug mode by clicking the Debug icon or choosing Run > Debug app.
- Click the Debug tab to show the Debug pane. Click the Debugger tab in the Debug pane to show the Debugger pane (if it is not already selected).
- The Debugger pane shows (stack) Frames, Variables in a specific frame, and Watches (active tracking of a variable while the program runs).
- A breakpoint is a place in your code where you want to pause normal execution of your app to perform other actions. Set or clear a debugging breakpoint by clicking in the left gutter of the editor window immediately next to the target line
- Build the SimpleCalc app.
- Set and view breakpoints in the code for SimpleCalc.
- Step through your code as it runs.
- Examine variables and evaluate expressions.
- Identify and fix problems in the sample app.