检查半透明导航功能 [英] Check if translucent navigation is available

问题描述

我如何检查是否半透明导航功能？

How can I check if translucent navigation is available ?

我目前将其设置为半透明的，：

I am currently setting it to translucent with:

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { 

    translucentNavigation = true; 
    Window w = getWindow();  
    w.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION,WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); 

} 

但自从我看到它得到了一些设备被禁用（如N10），当然它是禁用的，如果硬键是present，我想检查设置标志之后，如果它是半透明或之前，如果它可在所有。

But since I saw that it gets disabled for some devices (like the N10) and of course it is disabled if hardkeys are present, I'd like to check after setting the FLAG if it is translucent or before if it available at all.

推荐答案

在奇巧设​​备，半透明系统酒吧可以提供一个框架，布尔值的配置资源的禁用。您可以检查该资源在运行时的值。

On KitKat devices, translucent system bars can be disabled with a framework boolean configuration resource. You can inspect the value of that resource at runtime.

int id = getResources().getIdentifier("config_enableTranslucentDecor", "bool", "android");
if (id == 0) {
    // not on KitKat
} else {
    boolean enabled = getResources().getBoolean(id);
    // enabled = are translucent bars supported on this device
}

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