FLAG_SECURE无法在样式为DialogFragment.STYLE_NO_TITLE的DialogFragment上使用 [英] FLAG_SECURE not working on DialogFragment with style as DialogFragment.STYLE_NO_TITLE

问题描述

当我设置对话框片段的样式时，android允许拍摄对话框片段的屏幕截图，但是在删除样式后，它就可以使用了.

When I set the style of a dialog fragment, the android is allowing to take the screen shot of dialog fragment, but after removing the style it works.

下面是对话框片段onCreate

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setStyle(DialogFragment.STYLE_NO_TITLE, android.R.style.Theme_Holo_Light);
    getActivity().getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
    setCancelable(false);
}

以前有没有其他人遇到过类似的问题?

Has any one else faced a similar issue before?

推荐答案

AFAICT，在托管活动中使用FLAG_SECURE不足以确保DialogFragment安全.

AFAICT, using FLAG_SECURE on the hosting activity is insufficient to make a DialogFragment secure.

除了对活动使用FLAG_SECURE之外，在返回Dialog之前，请在DialogFragment的onCreate()中创建的Dialog上调用getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);.

In addition to using FLAG_SECURE for the activity, call getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE); on the Dialog that you create in onCreate() of the DialogFragment, before you return that Dialog.

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