Android 如何以编程方式从当前主题获取背景颜色
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/12375766/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
提示：将鼠标放在中文语句上可以显示对应的英文。显示中英文
时间：2020-08-20 10:29:09 来源:igfitidea点击:
how to get background color from current theme programmatically
提问by Bart?omiej Mucha
I tried something like this, but i stuck:
我试过这样的事情，但我坚持：
TypedValue typedValue = new TypedValue();
if (this.parentActivity.getTheme().resolveAttribute(android.R.attr.windowBackground, typedValue, true))
{
// how to get color?
}
回答by ashughes
You can get the background color (or Drawable) from the current theme by:
您可以通过以下方式从当前主题中获取背景颜色（或 Drawable）：
TypedValue a = new TypedValue();
getTheme().resolveAttribute(android.R.attr.windowBackground, a, true);
if (a.type >= TypedValue.TYPE_FIRST_COLOR_INT && a.type <= TypedValue.TYPE_LAST_COLOR_INT) {
// windowBackground is a color
int color = a.data;
} else {
// windowBackground is not a color, probably a drawable
Drawable d = activity.getResources().getDrawable(a.resourceId);
}
回答by Swayam
You can get the resources of your Theme by using :
您可以使用以下方法获取主题资源：
TypedArray a = getTheme().obtainStyledAttributes(R.style.ThemeName, new int[] {R.attr.attribute_name});
int attributeResourceId = a.getResourceId(0, 0);
回答by batsheva
for your qoustion the easiest way is:
对于您的 qoustion，最简单的方法是：
TypedValue typedValue = new TypedValue();
if (this.parentActivity.getTheme().resolveAttribute(android.R.attr.windowBackground, typedValue, true))
{
// how to get color?
int colorWindowBackground = typedValue.data;// **just add this line to your code!!**
}
