Samsung SPH-L710 User Manual page 214

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Stay awake: Prevent the screen from going to sleep which charging.
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Protect SD card: Require apps to request permission before reading the SD card.
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USB debugging: Enable debugging when the phone is attached to a PC by a USB
cable.
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Allowing mock locations: Enable the use of mock locations to tell the phone that it
is at different GPS locations. In other words, the phone is allowed to "mock" the
coordinates. This feature is used for development purposes only.

Select app to be debugged: Display all apps currently in debugging mode.
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Wait for debugger: Open the selected application when the debugger has attached.
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Show touches: Display touch interactions on the screen.
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Show pointer location: Highlight the data that was touched on the screen.
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Show layout boundaries: Show clip boundaries, margins, and more.

Show GPU view updates: Flash views inside windows when drawn with the GPU.

Show screen updates: Make areas of the screen flash when they update.

Window animation scale: Set the scale for animation (ranges from off to 10x).

Transition animation scale: Set the scale for transitioning when using animation
(ranges from off to 10x).
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Animator duration scale: Set the animator duration scale when using animation
(ranges from off to 10x).

Disable hardware overlays: Always use GPU for screen compositing

Force GPU rendering: Use a 2D acceleration in applications.
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Strict mode: Flash the screen when apps perform long operations on main thread.

Show CPU usage: View the current CPU usage.

GPU rendering profile: Measure rendering time in adb shell dumpsys gfxinfo.

Enables traces: View selection of traces, such as Graphics, Input, View, Webview,
Window Manager, Activity Manager, Sync Manager, Audio, and Video).

Do not keep activities: Destroy every activity as soon as the application is closed.

Limit background processes: Set the number of processes that can run in the
background. Options are: Standard limit, No background processes, and 1 to 4
processes at most.
Settings 201