fix: 添加导航栏监听，避免隐藏导航栏的弹框已弹出的状态下，再次弹出会显示导航栏

library/src/main/java/com/lxj/xpopup/core/FullScreenDialog.java

@@ -89,6 +89,7 @@ protected void onCreate(Bundle savedInstanceState) {
 //        ViewGroup.LayoutParams layoutParams = contentView.getLayoutParams();
 //        layoutParams.height = getWindow().getAttributes().height;
 //        setContentView(contentView, layoutParams);
+        initListener();
         setContentView(contentView);
     }
 
@@ -97,6 +98,23 @@ private int getNavigationBarColor(){
                 : contentView.popupInfo.navigationBarColor;
     }
 
+    private void initListener() {
+        final ViewGroup decorView = (ViewGroup) getWindow().getDecorView();
+        decorView.setOnSystemUiVisibilityChangeListener(new View.OnSystemUiVisibilityChangeListener() {
+            @Override
+            public void onSystemUiVisibilityChange(int visibility) {
+                if (!contentView.popupInfo.hasNavigationBar) {
+                    hideNavigationBar();
+                }
+                if (!contentView.popupInfo.hasStatusBar) {
+                    getWindow().setFlags(
+                            WindowManager.LayoutParams.FLAG_FULLSCREEN,
+                            WindowManager.LayoutParams.FLAG_FULLSCREEN);
+                }
+            }
+        });
+    }
+
     public boolean isFuckVIVORoom(){
         //vivo的Y开头的8.0和8.1系统特殊(y91 y85 y97)：dialog无法覆盖到状态栏，并且坐标系下移了一个状态栏的距离
         boolean isYModel = android.os.Build.MODEL.contains("Y")