Android在Nexus设备上隐藏软键 [英] Android hide soft keys on nexus devices

问题描述

我想在用户启动我的应用程序时隐藏软键栏(主页，后退，菜单).我尝试使用:

I want to hide the soft key bar (home, back, menu) when a user launches my app. I tried using:

getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);

getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);

但是不幸的是，一旦用户与我的应用程序交互，软键栏就会再次显示.有什么方法可以隐藏它，直到用户退出我的应用程序为止?

But unfortunately as soon as the user interacts with my app, the soft key bar shows again. Is there any way to hide it till the user exits my app?

推荐答案

这称为沉浸模式.

签出: https://developer.android.com/training/system -ui/immersive.html

您要求的代码是:

@Override
public void onWindowFocusChanged(boolean hasFocus) {
    super.onWindowFocusChanged(hasFocus);
    if (hasFocus) {
        getWindow().getDecorView().setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
    }
}

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