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Is there really no XML attribute counterpart to setAlpha(int)?
If not, what alternatives are there?
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Here is a simple function to change the opacity of a view in android. Opacity is called alpha in android. so setAlpha(int) will do the job. ImageView img = (ImageView)findViewById(R.
"alpha" is used to specify the opacity for an image.
To get α subtract your confidence level from 1. For example, if you want to be 95 percent confident that your analysis is correct, the alpha level would be 1 – . 95 = 5 percent, assuming you had a one tailed test. For two-tailed tests, divide the alpha level by 2.
Alpha channel represents alpha - transparency values for the whole image, while other channels represent red, green or blue values, respectively. Red, green and blue channels are non-alpha channels because they do not carry transparency, just color value.
It's easier than the other response.
There is an xml value alpha that takes double values.
android:alpha="0.0" thats invisible
android:alpha="0.5" see-through
android:alpha="1.0" full visible
That's how it works.
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