如何设置活动的背景颜色为白色编程? [英] How to set background color of Activity to white programmatically?
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问题描述
我如何设置一个活动的背景色为白色编程?
How can I set the background color of an Activity to white programatically?
推荐答案
获取一个句柄使用的根布局,然后设置背景色。根布局是不管你用所谓的setContentView。
Get a handle to the root layout used, then set the background color on that. The root layout is whatever you called setContentView with.
setContentView(R.layout.main);
// Now get a handle to any View contained
// within the main layout you are using
View someView = findViewById(R.id.randomViewInMainLayout);
// Find the root view
View root = someView.getRootView()
// Set the color
root.setBackgroundColor(getResources().getColor(android.R.color.red));
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