User guide
82 2C. Settings
Drawing
Configure options for drawing elements on the screen.
1. Press , and then tap
Menu > Settings
> Developer options.
2. Configure options:
䡲 Show layout boundaries: When enabled, the
device displays clip boundaries, margins, and
other layout details.
䡲 Show GPU view updates: When enabled, views
flash inside windows when drawn with the GPU.
䡲 Show screen updates: When enabled, areas of the
screen flash as they update.
䡲 Window animation scale: Choose a scale for
window animations.
䡲 Transition animation scale: Choose a scale for
transition animations.
䡲 Animator duration scale: Choose a scale for
animators.
䡲 Disable hardware overlay: When enabled, the GPU
is always used for screen compositing.
䡲 Force GPU rendering: When enabled, 2D
hardware acceleration is used in applications.
Monitoring
Configure options for monitoring app performance.
1. Press , and then tap
Menu > Settings
> Developer options.
2. Configure options:
䡲 Strict mode: When enabled, the screen flashes
while apps perform long operations.
䡲 Show CPU usage: When enabled CPU usage
displays on a screen overlay.
䡲 GPU rendering profile: When enabled, rendering
time is measured in adb shell dumpsys gfxinfo.
䡲 Enable traces: Choose traces for use during
monitoring.
BST_m840_UG_.book Page 82 Monday, May 13, 2013 1:29 PM