screen-brightness

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detect pixel brightness changes in camera preview of Android

Anyone have idea how we can measure the light intensity/brightness of pixels in camera preview? Foe example: some objects able to absorb light resulting in lower average brightness value.[详细]

2023-04-04 02:46 分类：问答
Changing the Screen Brightness System Setting Android

I\'m attempting to change the screen brightness from withing a service, like so: android.provider.Settings.System.putInt(getContentResolver(),[详细]

2023-03-21 01:05 分类：问答
Possible to change screen brightness with C?

Using C in Linux, would it be possible to change the brightness of the viewing screen? This isn\'t expected to be portable other t开发者_Python百科han running on my installs of Ubuntu and Fedora. I\'m[详细]

2023-03-01 08:11 分类：问答
How do you stop the screen from dimming in WP7?

I\'m creating a simple flash light app. Whenever I turn the screen all white, the screen dims a little, even if I turn off auto brightness and set the brightness to high.[详细]

2023-02-23 03:46 分类：问答
iphone - Change the screen brightness, like iBook does

In iBook, user can adjust the screen brightness via a slider, right? What should I do to i开发者_StackOverflowmplement that? Which class or function I should use to control the screen brightness?[详细]

2023-02-12 22:53 分类：问答
Update Display Brightness on Android after changing it programmatically

I\'m trying to update the display brightness from a widget but i have some problems. To change brightness level, i use:[详细]

2023-01-29 05:51 分类：问答
Setting color brightness on Linux/Xorg

Is there any command (or API) to set X.Org/Linux color brightness? In other words, I nee开发者_运维问答d something as handy as the xgamma command but for changing RGB brightness real-time.[详细]

2022-12-15 01:01 分类：问答