89.3 The Android Profiler Tool Window
An active Profiler tool window monitoring a running app is shown in Figure 89-3.
Figure 89-3
The Sessions panel (marked A) lists both the current profiling sessions and any other stored sessions performed since Android Studio was last launched. To the right of the Sessions panel is the live profiling window. The window will continue to scroll with the latest metrics unless it is paused using the Live button (B). Clicking on the button a second time will jump to the current time and resume scrolling. Horizontal scrolling is available for manually moving back and forth within the recorded timeline.
The top row of the window (C) is the event time-line and displays changes to the status of the app’s activities together with other events such as the user touching the screen, typing text or changing the device orientation. The bottom time-line (D) charts the elapsed time since the app was launched.
The remaining timelines show...