代码可以参考如下
import android.app.Activity;
import android.graphics.Rect;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.content.ContextCompat;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
public class BaseDialogFragment extends DialogFragment{
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
Window window = getDialog().getWindow();
window.requestFeature(Window.FEATURE_NO_TITLE);
super.onActivityCreated(savedInstanceState);
//设置背景为透明
window.setBackgroundDrawable(ContextCompat.getDrawable(getContext(), android.R.color.transparent));
int dialogHeight = getContextRect(getActivity());
//设置弹窗大小为会屏
window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, dialogHeight == 0 ? ViewGroup.LayoutParams.MATCH_PARENT : dialogHeight);
//去除阴影
WindowManager.LayoutParams layoutParams = window.getAttributes();
layoutParams.dimAmount = 0.0f;
window.setAttributes(layoutParams);
}
//获取内容区域
private int getContextRect(Activity activity){
//应用区域
Rect outRect1 = new Rect();
activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(outRect1);
return outRect1.height();
}
}