brightness

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Increase Brightness and Contrast of image after capturing from camera in Android

I am making a one application in which I capture an image from camera and make the pdf out of it. But the quality of image is poor. So I want to set the brightness and contrast of the image.[详细]

2023-02-25 00:28 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
Simple brightness but slow

I have a 开发者_如何学Gopicture, and I get every pixels and multiply the RGB for a number. I also need to take care when R * number > 255. When this happen, r = 255.[详细]

2023-02-20 09:07 分类：问答
android :: using Android's Brightness control interface from activity

In my application i need to change the screen brightness. I want to display Android\'s in开发者_开发百科ternal brightness control dialog box (which is being displayed when we select Settings->Sound an[详细]

2023-02-16 02:28 分类：问答
Help needed with PHP function: brightness(); making RGB colors darker/brighter

Imagine a valid #RGB color in hexadecimal, defined as $color = 开发者_高级运维"#f7b9a0";[详细]

2023-02-15 09:39 分类：问答
turn the screen on/off in Android with a shake

I\'m making an app that needs to toggle the screen on/off when the user shakes the phone. So far, I\'ve got a SensorEventListener that listens to the shakes as suggested in the answer to this question[详细]

2023-02-14 23:39 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
Can't apply system screen brightness programmatically in Android

I\'m using the following to set the system auto brightness mode and level: android.provider.Settings.System.putInt(y.getContentResolver(),Settings.System.SCREEN_BRIGHTNESS_MODE, 0);[详细]

2023-02-11 12:10 分类：问答
Android: detect brightness (amount of light) in phone's surroundings using the camera?

The following applies to the Android operating system. I am trying to estimate how dark (or light) it is in the room where the phone is located using the camera.[详细]

2023-02-06 02:31 分类：问答
iPhone brightness private API not working properly

I am trying to set the brightness of the backlight, but it\'s acting very strangely. I am using the private API:[详细]

2023-02-05 20:01 分类：问答