安卓：根据屏幕大小限制的活动方向

问题描述：

我有一个应用程序，它看起来在两个方向上的一个或大或XLARGE屏幕尺寸好，但应仅限于肖像在手机上。我知道，你可以限制清单中的活动的方向，但有没有办法这样做的条件？或者是有一些种类的财产，我可以在活动本身来选择支持哪些方向设置？

I have an app that looks good in either orientation on a large or xlarge screen size, but should be restricted to portrait on phones. I know that you can restrict the orientation of an Activity in the manifest, but is there a way to do so conditionally? Or is there some kind of property I can set in the activity itself to choose which orientations are supported?

答

这是我在我的应用程序使用该解决方案：

This is the solution I use in my apps:

public void onCreate(Bundle savedState) {
    //...

    if(isScreenLarge()) {
        // width > height, better to use Landscape
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    } else {
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
    }
}

public boolean isScreenLarge() {
    final int screenSize = getResources().getConfiguration().screenLayout
            & Configuration.SCREENLAYOUT_SIZE_MASK;
    return screenSize == Configuration.SCREENLAYOUT_SIZE_LARGE
            || screenSize == Configuration.SCREENLAYOUT_SIZE_XLARGE;
}

安卓：根据屏幕大小限制的活动方向

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