brightness

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How to access the Window when not an activity?

I want to 开发者_JS百科access the Window class so I can set the screen brightness on my phone. The problem is that the class I want to dothis from is not an activity. Is it possible to do this without[详细]

2023-04-10 01:26 分类：问答
OpenGL: glTexEnvi, glBlendFunc and On Screen Text Messages

I\'m developing a movie player 开发者_C百科and I\'m using OpenGL to draw frames and On Screen Messages.[详细]

2023-04-08 19:11 分类：问答
How to change the brightness on iPhone (using private APIs)

I want to make an app similar to SBSettings (a quick settings application on Cydia) becaus开发者_开发百科e developers can\'t jailbreak their devices. Can someone tell me how to change the screen brigh[详细]

2023-04-07 22:42 分类：问答
Trying to set screen brightness on android phone

I am trying to set the screen brightness but when I try and get the current window with this.getWindow() I开发者_C百科 get null. Why is this? I will post all of my code in my setBrightness() method.[详细]

2023-04-07 06:48 分类：问答
How to get colors with the same perceived brightness?

Is there a tool / program / color system that enables you to get colors of the same luminance (perceived brightness)?[详细]

2023-04-04 06:20 分类：问答
Clean way to implement gradual fading of brightness in Android?

At the moment I have code to fade brightness adjustments which looks something like this: new Thread() {[详细]

2023-03-30 15:39 分类：问答
Normalize histogram (brightness and contrast) of a set of images using Python Image Library (PIL)

I have a script which uses Google Maps API to download a sequence of equal-sized square satellite images and generates a PDF. The images need to be rotated beforehand, and I already do so using PIL.[详细]

2023-03-29 08:20 分类：问答
Generic algorithm to get and set the brightness of a pixel?

I\'ve been looking around for a simple algorithm to get and set the brightness of a pixel, but can\'t find anything - only research papers and complex libraries.[详细]

2023-03-27 00:23 分类：问答
Why do not work in android setBacklightBrightness(int)

i\'am try to change brightness from my widget with reflected method but this code failen on moment setBacklightBrightness.invoke(power, new Object[]{Brightness});[详细]

2023-03-24 18:30 分类：问答
How to change the Monitor brightness on Linux?

How do I programmatically change the moni开发者_运维知识库tor brightness on Linux? I\'m using SLES 11.You can always use[详细]

2023-03-18 02:14 分类：问答